From: Koen Kooi <koen@dominion.thruhere.net>
To: openembedded-devel@lists.openembedded.org
Subject: Re: [meta-oe][PATCH] gcc: Upgrade to 4.5.3 and bring in latest linaro updates
Date: Sat, 30 Apr 2011 21:43:42 +0200 [thread overview]
Message-ID: <iphope$oj1$1@dough.gmane.org> (raw)
In-Reply-To: <1304191610-31723-1-git-send-email-raj.khem@gmail.com>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 30-04-11 21:26, raj.khem@gmail.com wrote:
> From: Khem Raj <raj.khem@gmail.com>
>
> We base now off release tarball of 4.5.3 instead of svn
> Get relevant new arm linaro patches
Will future commits to the 4.5 branch be brought in as patches and put
in meta-oe?
regards,
Koen
>
> Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ---
> meta-oe/recipes-devtools/gcc/gcc-4.5.inc | 25 +-
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99301.patch | 119 +-
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99481.patch | 40 -
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99482.patch | 84 --
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99491.patch | 309 +++++
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99494.patch | 1272 ++++++++++++++++++++
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99495.patch | 784 ++++++++++++
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99498.patch | 186 +++
> .../gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99502.patch | 134 ++
> 9 files changed, 2754 insertions(+), 199 deletions(-)
> delete mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99481.patch
> delete mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99482.patch
> create mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99491.patch
> create mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99494.patch
> create mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99495.patch
> create mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99498.patch
> create mode 100644 meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99502.patch
>
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5.inc b/meta-oe/recipes-devtools/gcc/gcc-4.5.inc
> index 519a1e7..4067d73 100644
> --- a/meta-oe/recipes-devtools/gcc/gcc-4.5.inc
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5.inc
> @@ -13,21 +13,12 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=59530bdf33659b29e73d4adb9f9f6552 \
> file://COPYING.RUNTIME;md5=fe60d87048567d4fe8c8a0ed2448bcc8"
>
>
> -SRCREV = "170880"
> PV = "4.5"
> -INC_PR = "r35"
> -
> -# BINV should be incremented after updating to a revision
> -# after a minor gcc release (e.g. 4.5.1 or 4.5.2) has been made
> -# the value will be minor-release+1 e.g. if minor release was
> -# 4.5.1 then the value below will be 2 which will mean 4.5.2
> -# which will be next minor release and so on.
> -
> +INC_PR = "r36"
> +# BINV should point to minor release
> BINV = "${PV}.3"
> -BRANCH = "gcc-4_5-branch"
> -PR_append = "+svnr${SRCPV}"
>
> -SRC_URI = "svn://gcc.gnu.org/svn/gcc/branches;module=${BRANCH} \
> +SRC_URI = "${GNU_MIRROR}/gcc/gcc-${BINV}/gcc-${BINV}.tar.bz2 \
> file://gcc-4.3.1-ARCH_FLAGS_FOR_TARGET.patch \
> file://100-uclibc-conf.patch \
> file://gcc-uclibc-locale-ctype_touplow_t.patch \
> @@ -175,11 +166,15 @@ SRC_URI = "svn://gcc.gnu.org/svn/gcc/branches;module=${BRANCH} \
> file://linaro/gcc-4.5-linaro-r99478.patch \
> file://linaro/gcc-4.5-linaro-r99479.patch \
> file://linaro/gcc-4.5-linaro-r99480.patch \
> - file://linaro/gcc-4.5-linaro-r99481.patch \
> - file://linaro/gcc-4.5-linaro-r99482.patch \
> file://linaro/gcc-4.5-linaro-r99483.patch \
> file://linaro/gcc-4.5-linaro-r99488.patch \
> file://linaro/gcc-4.5-linaro-r99489.patch \
> + file://linaro/gcc-4.5-linaro-r99491.patch \
> + file://linaro/gcc-4.5-linaro-r99494.patch \
> + file://linaro/gcc-4.5-linaro-r99495.patch \
> + file://linaro/gcc-4.5-linaro-r99498.patch \
> +# file://linaro/gcc-4.5-linaro-r99499.patch \
> + file://linaro/gcc-4.5-linaro-r99502.patch \
> file://more-epilogues.patch \
> file://gcc-scalar-widening-pr45847.patch \
> file://gcc-arm-volatile-bitfield-fix.patch \
> @@ -207,7 +202,7 @@ SRC_URI = "svn://gcc.gnu.org/svn/gcc/branches;module=${BRANCH} \
> FORTRAN = ""
> JAVA = ""
>
> -S = "${WORKDIR}/${BRANCH}"
> +S = "${WORKDIR}/gcc-${BINV}"
>
> #EXTRA_OECONF_BASE = " --enable-cheaders=c_std \
> # --enable-libssp \
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99301.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99301.patch
> index 95907ee..0943130 100644
> --- a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99301.patch
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99301.patch
> @@ -37,9 +37,11 @@
> gcc/
>
> === modified file 'gcc/config/arm/arm-modes.def'
> ---- old/gcc/config/arm/arm-modes.def 2009-06-18 11:24:10 +0000
> -+++ new/gcc/config/arm/arm-modes.def 2010-07-29 16:58:56 +0000
> -@@ -35,10 +35,16 @@
> +Index: gcc-4.5.3/gcc/config/arm/arm-modes.def
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/arm-modes.def
> ++++ gcc-4.5.3/gcc/config/arm/arm-modes.def
> +@@ -35,10 +35,16 @@ ADJUST_FLOAT_FORMAT (HF, ((arm_fp16_form
> CC_NOOVmode should be used with SImode integer equalities.
> CC_Zmode should be used if only the Z flag is set correctly
> CC_Nmode should be used if only the N (sign) flag is set correctly
> @@ -56,11 +58,11 @@
> CC_MODE (CC_SWP);
> CC_MODE (CCFP);
> CC_MODE (CCFPE);
> -
> -=== modified file 'gcc/config/arm/arm-protos.h'
> ---- old/gcc/config/arm/arm-protos.h 2009-11-11 14:23:03 +0000
> -+++ new/gcc/config/arm/arm-protos.h 2010-07-29 16:58:56 +0000
> -@@ -49,8 +49,7 @@
> +Index: gcc-4.5.3/gcc/config/arm/arm-protos.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/arm-protos.h
> ++++ gcc-4.5.3/gcc/config/arm/arm-protos.h
> +@@ -49,8 +49,7 @@ extern int arm_hard_regno_mode_ok (unsig
> extern int const_ok_for_arm (HOST_WIDE_INT);
> extern int arm_split_constant (RTX_CODE, enum machine_mode, rtx,
> HOST_WIDE_INT, rtx, rtx, int);
> @@ -70,7 +72,7 @@
> extern int legitimate_pic_operand_p (rtx);
> extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
> extern rtx legitimize_tls_address (rtx, rtx);
> -@@ -116,6 +115,7 @@
> +@@ -116,6 +115,7 @@ extern void arm_reload_in_hi (rtx *);
> extern void arm_reload_out_hi (rtx *);
> extern int arm_const_double_inline_cost (rtx);
> extern bool arm_const_double_by_parts (rtx);
> @@ -78,11 +80,11 @@
> extern const char *fp_immediate_constant (rtx);
> extern void arm_emit_call_insn (rtx, rtx);
> extern const char *output_call (rtx *);
> -
> -=== modified file 'gcc/config/arm/arm.c'
> ---- old/gcc/config/arm/arm.c 2010-07-29 15:59:12 +0000
> -+++ new/gcc/config/arm/arm.c 2010-07-29 16:58:56 +0000
> -@@ -3190,13 +3190,82 @@
> +Index: gcc-4.5.3/gcc/config/arm/arm.c
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/arm.c
> ++++ gcc-4.5.3/gcc/config/arm/arm.c
> +@@ -3191,13 +3191,82 @@ arm_gen_constant (enum rtx_code code, en
> immediate value easier to load. */
>
> enum rtx_code
> @@ -169,7 +171,7 @@
> switch (code)
> {
> case EQ:
> -@@ -9912,6 +9981,55 @@
> +@@ -9913,6 +9982,55 @@ arm_select_cc_mode (enum rtx_code op, rt
> && (rtx_equal_p (XEXP (x, 0), y) || rtx_equal_p (XEXP (x, 1), y)))
> return CC_Cmode;
>
> @@ -225,18 +227,17 @@
> return CCmode;
> }
>
> -@@ -9921,10 +10039,39 @@
> +@@ -9922,10 +10040,39 @@ arm_select_cc_mode (enum rtx_code op, rt
> rtx
> arm_gen_compare_reg (enum rtx_code code, rtx x, rtx y)
> {
> - enum machine_mode mode = SELECT_CC_MODE (code, x, y);
> - rtx cc_reg = gen_rtx_REG (mode, CC_REGNUM);
> --
> -- emit_set_insn (cc_reg, gen_rtx_COMPARE (mode, x, y));
> + enum machine_mode mode;
> + rtx cc_reg;
> + int dimode_comparison = GET_MODE (x) == DImode || GET_MODE (y) == DImode;
> -+
> +
> +- emit_set_insn (cc_reg, gen_rtx_COMPARE (mode, x, y));
> + /* We might have X as a constant, Y as a register because of the predicates
> + used for cmpdi. If so, force X to a register here. */
> + if (dimode_comparison && !REG_P (x))
> @@ -269,7 +270,7 @@
>
> return cc_reg;
> }
> -@@ -11253,6 +11400,34 @@
> +@@ -11254,6 +11401,34 @@ arm_const_double_by_parts (rtx val)
> return false;
> }
>
> @@ -304,7 +305,7 @@
> /* Scan INSN and note any of its operands that need fixing.
> If DO_PUSHES is false we do not actually push any of the fixups
> needed. The function returns TRUE if any fixups were needed/pushed.
> -@@ -15097,8 +15272,18 @@
> +@@ -15150,8 +15325,18 @@ arm_print_operand (FILE *stream, rtx x,
> the value being loaded is big-wordian or little-wordian. The
> order of the two register loads can matter however, if the address
> of the memory location is actually held in one of the registers
> @@ -324,7 +325,7 @@
> if (GET_CODE (x) != REG || REGNO (x) > LAST_ARM_REGNUM)
> {
> output_operand_lossage ("invalid operand for code '%c'", code);
> -@@ -15109,6 +15294,18 @@
> +@@ -15162,6 +15347,18 @@ arm_print_operand (FILE *stream, rtx x,
> return;
>
> case 'R':
> @@ -343,7 +344,7 @@
> if (GET_CODE (x) != REG || REGNO (x) > LAST_ARM_REGNUM)
> {
> output_operand_lossage ("invalid operand for code '%c'", code);
> -@@ -15801,6 +15998,28 @@
> +@@ -15854,6 +16051,28 @@ get_arm_condition_code (rtx comparison)
> default: gcc_unreachable ();
> }
>
> @@ -372,11 +373,11 @@
> case CCmode:
> switch (comp_code)
> {
> -
> -=== modified file 'gcc/config/arm/arm.h'
> ---- old/gcc/config/arm/arm.h 2009-12-23 16:36:40 +0000
> -+++ new/gcc/config/arm/arm.h 2010-07-29 16:58:56 +0000
> -@@ -2253,19 +2253,7 @@
> +Index: gcc-4.5.3/gcc/config/arm/arm.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/arm.h
> ++++ gcc-4.5.3/gcc/config/arm/arm.h
> +@@ -2253,19 +2253,7 @@ extern int making_const_table;
> : reverse_condition (code))
>
> #define CANONICALIZE_COMPARISON(CODE, OP0, OP1) \
> @@ -397,10 +398,10 @@
>
> /* The arm5 clz instruction returns 32. */
> #define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) ((VALUE) = 32, 1)
> -
> -=== modified file 'gcc/config/arm/arm.md'
> ---- old/gcc/config/arm/arm.md 2010-07-29 15:59:12 +0000
> -+++ new/gcc/config/arm/arm.md 2010-07-29 16:58:56 +0000
> +Index: gcc-4.5.3/gcc/config/arm/arm.md
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/arm.md
> ++++ gcc-4.5.3/gcc/config/arm/arm.md
> @@ -6718,17 +6718,45 @@
> operands[3])); DONE;"
> )
> @@ -506,7 +507,7 @@
> ;; Cirrus SF compare instruction
> (define_insn "*cirrus_cmpsf"
> [(set (reg:CCFP CC_REGNUM)
> -@@ -8183,18 +8257,45 @@
> +@@ -8183,17 +8257,44 @@
> operands[2], operands[3])); DONE;"
> )
>
> @@ -519,13 +520,14 @@
> - "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK"
> - "emit_insn (gen_cstore_cc (operands[0], operands[1],
> - operands[2], operands[3])); DONE;"
> +-)
> + [(match_operand:DI 2 "cmpdi_operand" "")
> + (match_operand:DI 3 "cmpdi_operand" "")]))]
> + "TARGET_32BIT"
> + "{
> + rtx swap = NULL_RTX;
> + enum rtx_code code = GET_CODE (operands[1]);
> -+
> +
> + /* We should not have two constants. */
> + gcc_assert (GET_MODE (operands[2]) == DImode
> + || GET_MODE (operands[3]) == DImode);
> @@ -553,16 +555,14 @@
> + operands[3]));
> + DONE;
> + }"
> - )
> ++)
>
> --
> (define_expand "cstoresi_eq0_thumb1"
> [(parallel
> - [(set (match_operand:SI 0 "s_register_operand" "")
> -
> -=== modified file 'gcc/config/arm/constraints.md'
> ---- old/gcc/config/arm/constraints.md 2009-12-07 20:34:53 +0000
> -+++ new/gcc/config/arm/constraints.md 2010-07-29 16:58:56 +0000
> +Index: gcc-4.5.3/gcc/config/arm/constraints.md
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/constraints.md
> ++++ gcc-4.5.3/gcc/config/arm/constraints.md
> @@ -29,7 +29,7 @@
> ;; in Thumb-1 state: I, J, K, L, M, N, O
>
> @@ -586,11 +586,11 @@
> (define_constraint "Dn"
> "@internal
> In ARM/Thumb-2 state a const_vector which can be loaded with a Neon vmov
> -
> -=== modified file 'gcc/config/arm/predicates.md'
> ---- old/gcc/config/arm/predicates.md 2010-07-29 15:59:12 +0000
> -+++ new/gcc/config/arm/predicates.md 2010-07-29 16:58:56 +0000
> -@@ -86,6 +86,12 @@
> +Index: gcc-4.5.3/gcc/config/arm/predicates.md
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/predicates.md
> ++++ gcc-4.5.3/gcc/config/arm/predicates.md
> +@@ -101,6 +101,12 @@
> (and (match_code "const_int")
> (match_test "const_ok_for_arm (INTVAL (op))")))
>
> @@ -603,7 +603,7 @@
> (define_predicate "arm_neg_immediate_operand"
> (and (match_code "const_int")
> (match_test "const_ok_for_arm (-INTVAL (op))")))
> -@@ -115,6 +121,10 @@
> +@@ -130,6 +136,10 @@
> (ior (match_operand 0 "arm_rhs_operand")
> (match_operand 0 "arm_not_immediate_operand")))
>
> @@ -614,23 +614,23 @@
> ;; True if the operand is a memory reference which contains an
> ;; offsettable address.
> (define_predicate "offsettable_memory_operand"
> -@@ -522,4 +532,12 @@
> - (define_predicate "neon_lane_number"
> +@@ -538,3 +548,12 @@
> (and (match_code "const_int")
> - (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 7")))
> + (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 15")))
> +
> +;; Predicates for named expanders that overlap multiple ISAs.
> +
> +(define_predicate "cmpdi_operand"
> + (if_then_else (match_test "TARGET_HARD_FLOAT && TARGET_MAVERICK")
> -+ (and (match_test "TARGET_ARM")
> -+ (match_operand 0 "cirrus_fp_register"))
> -+ (and (match_test "TARGET_32BIT")
> -+ (match_operand 0 "arm_di_operand"))))
> -
> -
> -=== added file 'gcc/testsuite/gcc.c-torture/execute/20100416-1.c'
> ---- old/gcc/testsuite/gcc.c-torture/execute/20100416-1.c 1970-01-01 00:00:00 +0000
> -+++ new/gcc/testsuite/gcc.c-torture/execute/20100416-1.c 2010-07-29 16:58:56 +0000
> ++ (and (match_test "TARGET_ARM")
> ++ (match_operand 0 "cirrus_fp_register"))
> ++ (and (match_test "TARGET_32BIT")
> ++ (match_operand 0 "arm_di_operand"))))
> ++
> +Index: gcc-4.5.3/gcc/testsuite/gcc.c-torture/execute/20100416-1.c
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/gcc/testsuite/gcc.c-torture/execute/20100416-1.c
> @@ -0,0 +1,40 @@
> +void abort(void);
> +
> @@ -672,4 +672,3 @@
> + }
> + return 0;
> +}
> -
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99481.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99481.patch
> deleted file mode 100644
> index db53255..0000000
> --- a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99481.patch
> +++ /dev/null
> @@ -1,40 +0,0 @@
> - 2011-02-02 Richard Sandiford <richard.sandiford@linaro.org>
> -
> - gcc/testsuite/
> - PR target/47553
> - * gcc.target/arm/neon-vld-1.c: New test.
> - gcc/
> - PR target/47553
> - * config/arm/predicates.md (neon_lane_number): Accept 0..15.
> -
> -=== modified file 'gcc/config/arm/predicates.md'
> ---- old/gcc/config/arm/predicates.md 2011-02-08 12:07:29 +0000
> -+++ new/gcc/config/arm/predicates.md 2011-03-02 12:28:41 +0000
> -@@ -607,7 +607,7 @@
> - ;; TODO: We could check lane numbers more precisely based on the mode.
> - (define_predicate "neon_lane_number"
> - (and (match_code "const_int")
> -- (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 7")))
> -+ (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 15")))
> - ;; Predicates for named expanders that overlap multiple ISAs.
> -
> - (define_predicate "cmpdi_operand"
> -
> -=== added file 'gcc/testsuite/gcc.target/arm/neon-vld-1.c'
> ---- old/gcc/testsuite/gcc.target/arm/neon-vld-1.c 1970-01-01 00:00:00 +0000
> -+++ new/gcc/testsuite/gcc.target/arm/neon-vld-1.c 2011-02-02 13:57:54 +0000
> -@@ -0,0 +1,13 @@
> -+/* { dg-do compile } */
> -+/* { dg-require-effective-target arm_neon_ok } */
> -+/* { dg-options "-O1" } */
> -+/* { dg-add-options arm_neon } */
> -+
> -+#include <arm_neon.h>
> -+
> -+uint8x16_t
> -+foo (uint8_t *a, uint8x16_t b)
> -+{
> -+ vst1q_lane_u8 (a, b, 14);
> -+ return vld1q_lane_u8 (a + 0x100, b, 15);
> -+}
> -
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99482.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99482.patch
> deleted file mode 100644
> index 334ac4e..0000000
> --- a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99482.patch
> +++ /dev/null
> @@ -1,84 +0,0 @@
> - 2011-02-02 Richard Sandiford <richard.sandiford@linaro.org>
> -
> - gcc/
> - Backport from mainline:
> -
> - 2011-01-23 Bernd Schmidt <bernds@codesourcery.com>
> - Richard Sandiford <rdsandiford@googlemail.com>
> -
> - PR rtl-optimization/47166
> - * reload1.c (emit_reload_insns): Disable the spill_reg_store
> - mechanism for PRE_MODIFY and POST_MODIFY.
> - (inc_for_reload): For PRE_MODIFY, return the insn that sets the
> - reloadreg.
> -
> - gcc/testsuite/
> - * gcc.c-torture/execute/postmod-1.c: New test.
> -
> -=== added file 'gcc/testsuite/gcc.c-torture/execute/postmod-1.c'
> ---- old/gcc/testsuite/gcc.c-torture/execute/postmod-1.c 1970-01-01 00:00:00 +0000
> -+++ new/gcc/testsuite/gcc.c-torture/execute/postmod-1.c 2011-02-02 14:23:10 +0000
> -@@ -0,0 +1,62 @@
> -+#define DECLARE_ARRAY(A) array##A[0x10]
> -+#define DECLARE_COUNTER(A) counter##A = 0
> -+#define DECLARE_POINTER(A) *pointer##A = array##A + x
> -+/* Create a loop that allows post-modification of pointerA, followed by
> -+ a use of the post-modified address. */
> -+#define BEFORE(A) counter##A += *pointer##A, pointer##A += 3
> -+#define AFTER(A) counter##A += pointer##A[x]
> -+
> -+/* Set up the arrays so that one iteration of the loop sets the counter
> -+ to 3.0f. */
> -+#define INIT_ARRAY(A) array##A[1] = 1.0f, array##A[5] = 2.0f
> -+
> -+/* Check that the loop worked correctly for all values. */
> -+#define CHECK_ARRAY(A) exit_code |= (counter##A != 3.0f)
> -+
> -+/* Having 6 copies triggered the bug for ARM and Thumb. */
> -+#define MANY(A) A (0), A (1), A (2), A (3), A (4), A (5)
> -+
> -+/* Each addendA should be allocated a register. */
> -+#define INIT_VOLATILE(A) addend##A = vol
> -+#define ADD_VOLATILE(A) vol += addend##A
> -+
> -+/* Having 5 copies triggered the bug for ARM and Thumb. */
> -+#define MANY2(A) A (0), A (1), A (2), A (3), A (4)
> -+
> -+float MANY (DECLARE_ARRAY);
> -+float MANY (DECLARE_COUNTER);
> -+
> -+volatile int stop = 1;
> -+volatile int vol;
> -+
> -+void __attribute__((noinline))
> -+foo (int x)
> -+{
> -+ float MANY (DECLARE_POINTER);
> -+ int i;
> -+
> -+ do
> -+ {
> -+ MANY (BEFORE);
> -+ MANY (AFTER);
> -+ /* Create an inner loop that should ensure the code above
> -+ has registers free for reload inheritance. */
> -+ {
> -+ int MANY2 (INIT_VOLATILE);
> -+ for (i = 0; i < 10; i++)
> -+ MANY2 (ADD_VOLATILE);
> -+ }
> -+ }
> -+ while (!stop);
> -+}
> -+
> -+int
> -+main (void)
> -+{
> -+ int exit_code = 0;
> -+
> -+ MANY (INIT_ARRAY);
> -+ foo (1);
> -+ MANY (CHECK_ARRAY);
> -+ return exit_code;
> -+}
> -
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99491.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99491.patch
> new file mode 100644
> index 0000000..a2d6c6a
> --- /dev/null
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99491.patch
> @@ -0,0 +1,309 @@
> +2011-04-08 Richard Sandiford <richard.sandiford@linaro.org>
> +
> + Backport from mainline:
> + gcc/
> + * dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
> + (cached_dw_loc_list_def): New structure.
> + (cached_dw_loc_list): New typedef.
> + (cached_dw_loc_list_table): New variable.
> + (cached_dw_loc_list_table_hash): New function.
> + (cached_dw_loc_list_table_eq): Likewise.
> + (add_location_or_const_value_attribute): Take a bool cache_p.
> + Cache the list when the parameter is true.
> + (gen_formal_parameter_die): Update caller.
> + (gen_variable_die): Likewise.
> + (dwarf2out_finish): Likewise.
> + (dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
> + while generating debug info for the decl.
> + (dwarf2out_function_decl): Clear cached_dw_loc_list_table.
> + (dwarf2out_init): Initialize cached_dw_loc_list_table.
> + (resolve_addr): Cache the result of resolving a chain of
> + location lists.
> +
> + From: 2010-10-12 Jakub Jelinek <jakub@redhat.com>
> + * dwarf2out.c (dw_loc_list_node): Add emitted field.
> + (output_loc_list): Return immediately if emitted is set, set it.
> +
> +=== modified file 'gcc/dwarf2out.c'
> +--- old/gcc/dwarf2out.c 2011-03-10 14:55:10 +0000
> ++++ new/gcc/dwarf2out.c 2011-03-28 09:43:50 +0000
> +@@ -4256,6 +4256,12 @@
> + Only on head of list */
> + const char *section; /* Section this loclist is relative to */
> + dw_loc_descr_ref expr;
> ++ /* True if all addresses in this and subsequent lists are known to be
> ++ resolved. */
> ++ bool resolved_addr;
> ++ /* True if this list has been replaced by dw_loc_next. */
> ++ bool replaced;
> ++ bool emitted;
> + } dw_loc_list_node;
> +
> + #if defined (DWARF2_DEBUGGING_INFO) || defined (DWARF2_UNWIND_INFO)
> +@@ -5759,6 +5765,19 @@
> + /* Table of decl location linked lists. */
> + static GTY ((param_is (var_loc_list))) htab_t decl_loc_table;
> +
> ++/* A cached location list. */
> ++struct GTY (()) cached_dw_loc_list_def {
> ++ /* The DECL_UID of the decl that this entry describes. */
> ++ unsigned int decl_id;
> ++
> ++ /* The cached location list. */
> ++ dw_loc_list_ref loc_list;
> ++};
> ++typedef struct cached_dw_loc_list_def cached_dw_loc_list;
> ++
> ++/* Table of cached location lists. */
> ++static GTY ((param_is (cached_dw_loc_list))) htab_t cached_dw_loc_list_table;
> ++
> + /* A pointer to the base of a list of references to DIE's that
> + are uniquely identified by their tag, presence/absence of
> + children DIE's, and list of attribute/value pairs. */
> +@@ -6112,7 +6131,7 @@
> + static void insert_int (HOST_WIDE_INT, unsigned, unsigned char *);
> + static void insert_float (const_rtx, unsigned char *);
> + static rtx rtl_for_decl_location (tree);
> +-static bool add_location_or_const_value_attribute (dw_die_ref, tree,
> ++static bool add_location_or_const_value_attribute (dw_die_ref, tree, bool,
> + enum dwarf_attribute);
> + static bool tree_add_const_value_attribute (dw_die_ref, tree);
> + static bool tree_add_const_value_attribute_for_decl (dw_die_ref, tree);
> +@@ -7731,6 +7750,24 @@
> + htab_find_with_hash (decl_loc_table, decl, DECL_UID (decl));
> + }
> +
> ++/* Returns a hash value for X (which really is a cached_dw_loc_list_list). */
> ++
> ++static hashval_t
> ++cached_dw_loc_list_table_hash (const void *x)
> ++{
> ++ return (hashval_t) ((const cached_dw_loc_list *) x)->decl_id;
> ++}
> ++
> ++/* Return nonzero if decl_id of cached_dw_loc_list X is the same as
> ++ UID of decl *Y. */
> ++
> ++static int
> ++cached_dw_loc_list_table_eq (const void *x, const void *y)
> ++{
> ++ return (((const cached_dw_loc_list *) x)->decl_id
> ++ == DECL_UID ((const_tree) y));
> ++}
> ++
> + /* Equate a DIE to a particular declaration. */
> +
> + static void
> +@@ -10355,6 +10392,10 @@
> + {
> + dw_loc_list_ref curr = list_head;
> +
> ++ if (list_head->emitted)
> ++ return;
> ++ list_head->emitted = true;
> ++
> + ASM_OUTPUT_LABEL (asm_out_file, list_head->ll_symbol);
> +
> + /* Walk the location list, and output each range + expression. */
> +@@ -15920,15 +15961,22 @@
> + these things can crop up in other ways also.) Note that one type of
> + constant value which can be passed into an inlined function is a constant
> + pointer. This can happen for example if an actual argument in an inlined
> +- function call evaluates to a compile-time constant address. */
> ++ function call evaluates to a compile-time constant address.
> ++
> ++ CACHE_P is true if it is worth caching the location list for DECL,
> ++ so that future calls can reuse it rather than regenerate it from scratch.
> ++ This is true for BLOCK_NONLOCALIZED_VARS in inlined subroutines,
> ++ since we will need to refer to them each time the function is inlined. */
> +
> + static bool
> +-add_location_or_const_value_attribute (dw_die_ref die, tree decl,
> ++add_location_or_const_value_attribute (dw_die_ref die, tree decl, bool cache_p,
> + enum dwarf_attribute attr)
> + {
> + rtx rtl;
> + dw_loc_list_ref list;
> + var_loc_list *loc_list;
> ++ cached_dw_loc_list *cache;
> ++ void **slot;
> +
> + if (TREE_CODE (decl) == ERROR_MARK)
> + return false;
> +@@ -15964,7 +16012,34 @@
> + && add_const_value_attribute (die, rtl))
> + return true;
> + }
> +- list = loc_list_from_tree (decl, decl_by_reference_p (decl) ? 0 : 2);
> ++ /* If this decl is from BLOCK_NONLOCALIZED_VARS, we might need its
> ++ list several times. See if we've already cached the contents. */
> ++ list = NULL;
> ++ if (loc_list == NULL || cached_dw_loc_list_table == NULL)
> ++ cache_p = false;
> ++ if (cache_p)
> ++ {
> ++ cache = (cached_dw_loc_list *)
> ++ htab_find_with_hash (cached_dw_loc_list_table, decl, DECL_UID (decl));
> ++ if (cache)
> ++ list = cache->loc_list;
> ++ }
> ++ if (list == NULL)
> ++ {
> ++ list = loc_list_from_tree (decl, decl_by_reference_p (decl) ? 0 : 2);
> ++ /* It is usually worth caching this result if the decl is from
> ++ BLOCK_NONLOCALIZED_VARS and if the list has at least two elements. */
> ++ if (cache_p && list && list->dw_loc_next)
> ++ {
> ++ slot = htab_find_slot_with_hash (cached_dw_loc_list_table, decl,
> ++ DECL_UID (decl), INSERT);
> ++ cache = (cached_dw_loc_list *)
> ++ ggc_alloc_cleared (sizeof (cached_dw_loc_list));
> ++ cache->decl_id = DECL_UID (decl);
> ++ cache->loc_list = list;
> ++ *slot = cache;
> ++ }
> ++ }
> + if (list)
> + {
> + add_AT_location_description (die, attr, list);
> +@@ -17532,7 +17607,7 @@
> + equate_decl_number_to_die (node, parm_die);
> + if (! DECL_ABSTRACT (node_or_origin))
> + add_location_or_const_value_attribute (parm_die, node_or_origin,
> +- DW_AT_location);
> ++ node == NULL, DW_AT_location);
> +
> + break;
> +
> +@@ -17712,6 +17787,7 @@
> + tree context;
> + int was_abstract;
> + htab_t old_decl_loc_table;
> ++ htab_t old_cached_dw_loc_list_table;
> +
> + /* Make sure we have the actual abstract inline, not a clone. */
> + decl = DECL_ORIGIN (decl);
> +@@ -17725,7 +17801,9 @@
> + DIE. Be sure to not clobber the outer location table nor use it or we would
> + get locations in abstract instantces. */
> + old_decl_loc_table = decl_loc_table;
> ++ old_cached_dw_loc_list_table = cached_dw_loc_list_table;
> + decl_loc_table = NULL;
> ++ cached_dw_loc_list_table = NULL;
> +
> + /* Be sure we've emitted the in-class declaration DIE (if any) first, so
> + we don't get confused by DECL_ABSTRACT. */
> +@@ -17750,6 +17828,7 @@
> +
> + current_function_decl = save_fn;
> + decl_loc_table = old_decl_loc_table;
> ++ cached_dw_loc_list_table = old_cached_dw_loc_list_table;
> + pop_cfun ();
> + }
> +
> +@@ -18431,9 +18510,8 @@
> + && !TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl_or_origin)))
> + defer_location (decl_or_origin, var_die);
> + else
> +- add_location_or_const_value_attribute (var_die,
> +- decl_or_origin,
> +- DW_AT_location);
> ++ add_location_or_const_value_attribute (var_die, decl_or_origin,
> ++ decl == NULL, DW_AT_location);
> + add_pubname (decl_or_origin, var_die);
> + }
> + else
> +@@ -20049,6 +20127,7 @@
> + dwarf2out_decl (decl);
> +
> + htab_empty (decl_loc_table);
> ++ htab_empty (cached_dw_loc_list_table);
> + }
> +
> + /* Output a marker (i.e. a label) for the beginning of the generated code for
> +@@ -20649,6 +20728,11 @@
> + decl_loc_table = htab_create_ggc (10, decl_loc_table_hash,
> + decl_loc_table_eq, NULL);
> +
> ++ /* Allocate the cached_dw_loc_list_table. */
> ++ cached_dw_loc_list_table
> ++ = htab_create_ggc (10, cached_dw_loc_list_table_hash,
> ++ cached_dw_loc_list_table_eq, NULL);
> ++
> + /* Allocate the initial hunk of the decl_scope_table. */
> + decl_scope_table = VEC_alloc (tree, gc, 256);
> +
> +@@ -21278,30 +21362,53 @@
> + {
> + dw_die_ref c;
> + dw_attr_ref a;
> +- dw_loc_list_ref *curr;
> ++ dw_loc_list_ref *curr, *start, loc;
> + unsigned ix;
> +
> + for (ix = 0; VEC_iterate (dw_attr_node, die->die_attr, ix, a); ix++)
> + switch (AT_class (a))
> + {
> + case dw_val_class_loc_list:
> +- curr = AT_loc_list_ptr (a);
> +- while (*curr)
> ++ start = curr = AT_loc_list_ptr (a);
> ++ loc = *curr;
> ++ gcc_assert (loc);
> ++ /* The same list can be referenced more than once. See if we have
> ++ already recorded the result from a previous pass. */
> ++ if (loc->replaced)
> ++ *curr = loc->dw_loc_next;
> ++ else if (!loc->resolved_addr)
> + {
> +- if (!resolve_addr_in_expr ((*curr)->expr))
> ++ /* As things stand, we do not expect or allow one die to
> ++ reference a suffix of another die's location list chain.
> ++ References must be identical or completely separate.
> ++ There is therefore no need to cache the result of this
> ++ pass on any list other than the first; doing so
> ++ would lead to unnecessary writes. */
> ++ while (*curr)
> + {
> +- dw_loc_list_ref next = (*curr)->dw_loc_next;
> +- if (next && (*curr)->ll_symbol)
> ++ gcc_assert (!(*curr)->replaced && !(*curr)->resolved_addr);
> ++ if (!resolve_addr_in_expr ((*curr)->expr))
> + {
> +- gcc_assert (!next->ll_symbol);
> +- next->ll_symbol = (*curr)->ll_symbol;
> ++ dw_loc_list_ref next = (*curr)->dw_loc_next;
> ++ if (next && (*curr)->ll_symbol)
> ++ {
> ++ gcc_assert (!next->ll_symbol);
> ++ next->ll_symbol = (*curr)->ll_symbol;
> ++ }
> ++ *curr = next;
> + }
> +- *curr = next;
> ++ else
> ++ curr = &(*curr)->dw_loc_next;
> + }
> ++ if (loc == *start)
> ++ loc->resolved_addr = 1;
> + else
> +- curr = &(*curr)->dw_loc_next;
> ++ {
> ++ loc->replaced = 1;
> ++ loc->dw_loc_next = *start;
> ++ }
> + }
> +- if (!AT_loc_list (a))
> ++ if (!*start)
> + {
> + remove_AT (die, a->dw_attr);
> + ix--;
> +@@ -21361,6 +21468,7 @@
> + add_location_or_const_value_attribute (
> + VEC_index (deferred_locations, deferred_locations_list, i)->die,
> + VEC_index (deferred_locations, deferred_locations_list, i)->variable,
> ++ false,
> + DW_AT_location);
> + }
> +
> +
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99494.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99494.patch
> new file mode 100644
> index 0000000..56897e9
> --- /dev/null
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99494.patch
> @@ -0,0 +1,1272 @@
> +2011-04-09 Andrew Stubbs <ams@codesourcery.com>
> +
> + Backport from mainline:
> +
> + Maxim Kuvyrkov <maxim@codesourcery.com>
> +
> + * config.sub: Recognize *-linux-android*.
> +
> + 2010-05-27 Maxim Kuvyrkov <maxim@codesourcery.com>
> +
> + Add support for Bionic C library
> + gcc/
> + * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
> + macro.
> + (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
> + (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
> +
> + * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
> + (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
> + (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
> + to support multiple C libraries. Handle Bionic.
> + (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
> + (BIONIC_DYNAMIC_LINKER64): Define.
> + (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
> + Update.
> + (TARGET_HAS_SINCOS): Enable for Bionic.
> +
> + * config/linux.opt: Rewrite to handle more than 2 C libraries. Make
> + the last option specified on command line take effect.
> + (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
> + (mbionic): New.
> + (mglibc, muclibc): Update.
> +
> + * config/alpha/linux-elf.h, config/rs6000/linux64.h,
> + * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
> + DEFAULT_LIBC.
> +
> + * doc/invoke.texi (-mglibc, -muclibc): Update.
> + (-mbionic): Document.
> +
> + gcc/testsuite/
> + * gcc.dg/glibc-uclibc-1.c, gcc.dg/glibc-uclibc-2.c: Remove, no longer
> + necessary.
> +
> + 2010-05-27 Maxim Kuvyrkov <maxim@codesourcery.com>
> +
> + Support compilation for Android platform. Reimplement -mandroid.
> + gcc/
> + * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
> + (*android*): Set ANDROID_DEFAULT.
> + (arm*-*-linux*): Include linux-android.h.
> + (arm*-*-eabi*): Don't include previous -mandroid implementation.
> + * config/arm/eabi.h: Remove, move Android-specific parts ...
> + * config/linux-android.h: ... here. New file.
> + * config/arm/eabi.opt: Rename to ...
> + * config/linux-android.opt: ... this.
> + (mandroid): Allow -mno-android option. Initialize based on
> + ANDROID_DEFAULT.
> + * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
> + Move logic to corresponding LINUX_TARGET_* macros.
> + (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
> + * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
> + (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
> + Android definitions.
> + (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
> + * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
> + Document.
> +
> + 2010-06-01 Maxim Kuvyrkov <maxim@codesourcery.com>
> +
> + gcc/
> + * config/arm/t-linux-androideabi: New.
> + * config.gcc (arm*-*-linux-androideabi): Include multilib configuration.
> +
> + 2010-05-27 Maxim Kuvyrkov <maxim@codesourcery.com>
> +
> + gcc/
> + * gthr-posix.h (pthread_cancel): Don't declare if compiling against
> + Bionic C library.
> + (__gthread_active_p): Check for pthread_create if compiling against
> + Bionic C library.
> +
> + 2010-06-01 Maxim Kuvyrkov <maxim@codesourcery.com>
> +
> + libstdc++-v3/
> + * acinclude.m4: Support Bionic C library.
> + Explicitly specify -fexceptions for exception check.
> + * configure.host: Support Bionic C library.
> + * configure: Regenerate.
> + * config/os/bionic/ctype_base.h, config/os/bionic/ctype_inline.h,
> + * config/os/bionic/ctype_noincline.h, config/os/bionic/os_defines.h:
> + New files, based on config/os/newlib/*.
> +
> +=== modified file 'config.sub'
> +Index: gcc-4.5.3/config.sub
> +===================================================================
> +--- gcc-4.5.3.orig/config.sub
> ++++ gcc-4.5.3/config.sub
> +@@ -4,7 +4,7 @@
> + # 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
> + # Free Software Foundation, Inc.
> +
> +-timestamp='2010-03-22'
> ++timestamp='2010-04-23'
> +
> + # This file is (in principle) common to ALL GNU software.
> + # The presence of a machine in this file suggests that SOME GNU software
> +@@ -124,8 +124,9 @@ esac
> + # Here we must recognize all the valid KERNEL-OS combinations.
> + maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
> + case $maybe_os in
> +- nto-qnx* | linux-gnu* | linux-dietlibc | linux-newlib* | linux-uclibc* | \
> +- uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | \
> ++ nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
> ++ linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
> ++ knetbsd*-gnu* | netbsd*-gnu* | \
> + kopensolaris*-gnu* | \
> + storm-chaos* | os2-emx* | rtmk-nova*)
> + os=-$maybe_os
> +@@ -1307,7 +1308,8 @@ case $os in
> + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
> + | -chorusos* | -chorusrdb* | -cegcc* \
> + | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
> +- | -mingw32* | -linux-gnu* | -linux-newlib* | -linux-uclibc* \
> ++ | -mingw32* | -linux-gnu* | -linux-android* \
> ++ | -linux-newlib* | -linux-uclibc* \
> + | -uxpv* | -beos* | -mpeix* | -udk* \
> + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
> + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
> +Index: gcc-4.5.3/gcc/config.gcc
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config.gcc
> ++++ gcc-4.5.3/gcc/config.gcc
> +@@ -513,26 +513,48 @@ case ${target} in
> + *-*-gnu*)
> + tmake_file="$tmake_file t-gnu";;
> + esac
> +- # glibc / uclibc switch. uclibc isn't usable for GNU/Hurd and neither for
> +- # GNU/k*BSD.
> ++ # Common C libraries.
> ++ tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
> ++ # glibc / uclibc / bionic switch.
> ++ # uclibc and bionic aren't usable for GNU/Hurd and neither for GNU/k*BSD.
> + case $target in
> + *linux*)
> + extra_options="$extra_options linux.opt";;
> + *)
> + tm_defines="$tm_defines OPTION_GLIBC=1";;
> + esac
> +- case ${target} in
> ++ case $target in
> ++ *-*-*android*)
> ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_BIONIC"
> ++ ;;
> + *-*-*uclibc*)
> +- tm_defines="${tm_defines} UCLIBC_DEFAULT=1"
> ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
> + ;;
> + *)
> +- tm_defines="${tm_defines} UCLIBC_DEFAULT=0"
> ++ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
> + ;;
> + esac
> +- # Assume that glibc or uClibc are being used and so __cxa_atexit is provided.
> ++ # Assume that glibc or uClibc or Bionic are being used and so __cxa_atexit
> ++ # is provided.
> + default_use_cxa_atexit=yes
> + use_gcc_tgmath=no
> + use_gcc_stdint=wrap
> ++ # Add Android userspace support to Linux targets.
> ++ case $target in
> ++ *linux*)
> ++ tm_file="$tm_file linux-android.h"
> ++ extra_options="$extra_options linux-android.opt"
> ++ ;;
> ++ esac
> ++ # Enable compilation for Android by default for *android* targets.
> ++ case $target in
> ++ *-*-*android*)
> ++ tm_defines="$tm_defines ANDROID_DEFAULT=1"
> ++ ;;
> ++ *)
> ++ tm_defines="$tm_defines ANDROID_DEFAULT=0"
> ++ ;;
> ++ esac
> + ;;
> + *-*-netbsd*)
> + tmake_file="t-slibgcc-elf-ver t-libc-ok t-netbsd t-libgcc-pic"
> +@@ -728,7 +750,7 @@ arm*-*-netbsd*)
> + use_collect2=yes
> + ;;
> + arm*-*-linux*) # ARM GNU/Linux with ELF
> +- tm_file="dbxelf.h elfos.h linux.h glibc-stdint.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
> ++ tm_file="dbxelf.h elfos.h linux.h linux-android.h glibc-stdint.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
> + case $target in
> + arm*b-*)
> + tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1"
> +@@ -739,6 +761,12 @@ arm*-*-linux*) # ARM GNU/Linux with EL
> + arm*-*-linux-*eabi)
> + tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h"
> + tmake_file="$tmake_file arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi t-slibgcc-libgcc"
> ++ # Define multilib configuration for arm-linux-androideabi.
> ++ case ${target} in
> ++ *-androideabi)
> ++ tmake_file="$tmake_file arm/t-linux-androideabi"
> ++ ;;
> ++ esac
> + # The BPABI long long divmod functions return a 128-bit value in
> + # registers r0-r3. Correctly modeling that requires the use of
> + # TImode.
> +@@ -785,9 +813,8 @@ arm*-*-eabi* | arm*-*-symbianelf* )
> + tmake_file="arm/t-arm arm/t-arm-elf"
> + case ${target} in
> + arm*-*-eabi*)
> +- tm_file="$tm_file arm/eabi.h newlib-stdint.h"
> ++ tm_file="$tm_file newlib-stdint.h"
> + tmake_file="${tmake_file} arm/t-bpabi"
> +- extra_options="${extra_options} arm/eabi.opt"
> + use_gcc_stdint=wrap
> + ;;
> + arm*-*-symbianelf*)
> +@@ -843,7 +870,7 @@ bfin*-elf*)
> + bfin*-uclinux*)
> + tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h linux.h glibc-stdint.h bfin/uclinux.h"
> + tmake_file=bfin/t-bfin-uclinux
> +- tm_defines="${tm_defines} UCLIBC_DEFAULT=1"
> ++ tm_defines="${tm_defines} DEFAULT_LIBC=LIBC_UCLIBC"
> + extra_options="${extra_options} linux.opt"
> + use_collect2=no
> + ;;
> +@@ -924,7 +951,7 @@ moxie-*-uclinux*)
> + tm_file="dbxelf.h elfos.h svr4.h ${tm_file} linux.h glibc-stdint.h moxie/uclinux.h"
> + extra_parts="crti.o crtn.o crtbegin.o crtend.o"
> + tmake_file="${tmake_file} moxie/t-moxie moxie/t-moxie-softfp soft-fp/t-softfp"
> +- tm_defines="${tm_defines} UCLIBC_DEFAULT=1"
> ++ tm_defines="${tm_defines} DEFAULT_LIBC=LIBC_UCLIBC"
> + extra_options="${extra_options} linux.opt"
> + ;;
> + h8300-*-rtems*)
> +@@ -1644,7 +1671,7 @@ m68k-*-uclinux*) # Motorola m68k/ColdFi
> + default_m68k_cpu=68020
> + default_cf_cpu=5206
> + tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h glibc-stdint.h flat.h m68k/linux.h m68k/uclinux.h ./sysroot-suffix.h"
> +- tm_defines="${tm_defines} MOTOROLA=1 UCLIBC_DEFAULT=1"
> ++ tm_defines="${tm_defines} MOTOROLA=1 DEFAULT_LIBC=LIBC_UCLIBC"
> + extra_options="${extra_options} linux.opt"
> + tmake_file="m68k/t-floatlib m68k/t-uclinux m68k/t-mlibs"
> + ;;
> +Index: gcc-4.5.3/gcc/config/alpha/linux-elf.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/alpha/linux-elf.h
> ++++ gcc-4.5.3/gcc/config/alpha/linux-elf.h
> +@@ -29,10 +29,12 @@ along with GCC; see the file COPYING3.
> +
> + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
> + #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
> +-#if UCLIBC_DEFAULT
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
> ++#if DEFAULT_LIBC == LIBC_UCLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
> ++#elif DEFAULT_LIBC == LIBC_GLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
> + #else
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
> ++#error "Unsupported DEFAULT_LIBC"
> + #endif
> + #define LINUX_DYNAMIC_LINKER \
> + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
> +Index: gcc-4.5.3/gcc/config/arm/eabi.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/eabi.h
> ++++ /dev/null
> +@@ -1,125 +0,0 @@
> +-/* Configuration file for ARM EABI targets.
> +- Copyright (C) 2008
> +- Free Software Foundation, Inc.
> +- Contributed by Doug Kwan (dougkwan@google.com)
> +-
> +- This file is part of GCC.
> +-
> +- GCC is free software; you can redistribute it and/or modify it
> +- under the terms of the GNU General Public License as published
> +- by the Free Software Foundation; either version 3, or (at your
> +- option) any later version.
> +-
> +- GCC is distributed in the hope that it will be useful, but WITHOUT
> +- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
> +- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
> +- License for more details.
> +-
> +- You should have received a copy of the GNU General Public License
> +- along with GCC; see the file COPYING3. If not see
> +- <http://www.gnu.org/licenses/>. */
> +-
> +-/* This file contains macro overrides for EABI targets. */
> +-
> +-#undef TARGET_OS_CPP_BUILTINS
> +-#define TARGET_OS_CPP_BUILTINS() \
> +- do \
> +- { \
> +- TARGET_BPABI_CPP_BUILTINS (); \
> +- if (TARGET_ANDROID) \
> +- builtin_define ("__ANDROID__"); \
> +- } \
> +- while (false)
> +-
> +-#undef SUBSUBTARGET_EXTRA_SPECS
> +-#define SUBSUBTARGET_EXTRA_SPECS \
> +- { "link_android", ANDROID_LINK_SPEC }, \
> +- { "link_default", BPABI_LINK_SPEC }, \
> +- { "cc1_android", ANDROID_CC1_SPEC }, \
> +- { "cc1_default", CC1_DEFAULT_SPEC }, \
> +- { "cc1plus_android", ANDROID_CC1PLUS_SPEC }, \
> +- { "cc1plus_default", CC1PLUS_DEFAULT_SPEC }, \
> +- { "lib_android", ANDROID_LIB_SPEC }, \
> +- { "lib_default", LIB_DEFAULT_SPEC }, \
> +- { "startfile_android", ANDROID_STARTFILE_SPEC }, \
> +- { "startfile_default", UNKNOWN_ELF_STARTFILE_SPEC }, \
> +- { "endfile_android", ANDROID_ENDFILE_SPEC }, \
> +- { "endfile_default", UNKNOWN_ELF_ENDFILE_SPEC }, \
> +-
> +-#undef ANDROID_LINK_SPEC
> +-#define ANDROID_LINK_SPEC \
> +-"%{mbig-endian:-EB} %{mlittle-endian:-EL} " \
> +-"%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \
> +-"%{!static:" \
> +- "%{shared: -Bsymbolic} " \
> +- "%{!shared:" \
> +- "%{rdynamic:-export-dynamic} " \
> +- "%{!dynamic-linker:-dynamic-linker /system/bin/linker}}} " \
> +-"-X" SUBTARGET_EXTRA_LINK_SPEC
> +-
> +-/* Override LINK_SPEC in bpabi.h. */
> +-#undef LINK_SPEC
> +-#define LINK_SPEC \
> +-"%{mandroid: %(link_android) ;" \
> +-" : %(link_default)}"
> +-
> +-/* Android uses -fno-exceptions by default. */
> +-#undef ANDROID_CC1_SPEC
> +-#define ANDROID_CC1_SPEC "%{!fexceptions:-fno-exceptions}"
> +-
> +-/* Default CC1_SPEC as in arm.h. */
> +-#undef CC1_DEFAULT_SPEC
> +-#define CC1_DEFAULT_SPEC ""
> +-
> +-#undef CC1_SPEC
> +-#define CC1_SPEC \
> +-"%{mandroid: %(cc1_android) ;" \
> +-" : %(cc1_default)}"
> +-
> +-/* Android uses -fno-rtti by default. */
> +-#undef ANDROID_CC1PLUS_SPEC
> +-#define ANDROID_CC1PLUS_SPEC "%{!frtti:-fno-rtti}"
> +-
> +-/* Default CC1PLUS_SPEC as in gcc.c. */
> +-#undef CC1PLUS_DEFAULT_SPEC
> +-#define CC1PLUS_DEFAULT_SPEC ""
> +-
> +-#undef CC1PLUS_SPEC
> +-#define CC1PLUS_SPEC \
> +-"%{mandroid: %(cc1plus_android) ;" \
> +-" : %(cc1plus_default)}"
> +-
> +-#undef ANDROID_LIB_SPEC
> +-#define ANDROID_LIB_SPEC "-lc %{!static:-ldl}"
> +-
> +-/* Default LIB_SPEC as in gcc.c. */
> +-#undef LIB_DEFAULT_SPEC
> +-#define LIB_DEFAULT_SPEC \
> +-"%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}"
> +-
> +-#undef LIB_SPEC
> +-#define LIB_SPEC \
> +-"%{mandroid: %(lib_android) ;" \
> +-" : %(lib_default)}"
> +-
> +-#undef ANDROID_STARTFILE_SPEC
> +-#define ANDROID_STARTFILE_SPEC \
> +-"%{!shared:" \
> +- "%{static: crtbegin_static%O%s ;" \
> +- " : crtbegin_dynamic%O%s}}"
> +-
> +-/* Override STARTFILE_SPEC in unknown-elf.h. */
> +-#undef STARTFILE_SPEC
> +-#define STARTFILE_SPEC \
> +-"%{mandroid: %(startfile_android) ;" \
> +-" : %(startfile_default)}"
> +-
> +-#undef ANDROID_ENDFILE_SPEC
> +-#define ANDROID_ENDFILE_SPEC "%{!shared:crtend_android%O%s}"
> +-
> +-/* Override ENDFILE_SPEC in unknown-elf.h. */
> +-#undef ENDFILE_SPEC
> +-#define ENDFILE_SPEC \
> +-"%{mandroid: %(endfile_android) ;" \
> +-" : %(endfile_default)}"
> +-
> +Index: gcc-4.5.3/gcc/config/arm/eabi.opt
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/eabi.opt
> ++++ /dev/null
> +@@ -1,23 +0,0 @@
> +-; EABI specific options for ARM port of the compiler.
> +-
> +-; Copyright (C) 2008 Free Software Foundation, Inc.
> +-;
> +-; This file is part of GCC.
> +-;
> +-; GCC is free software; you can redistribute it and/or modify it under
> +-; the terms of the GNU General Public License as published by the Free
> +-; Software Foundation; either version 3, or (at your option) any later
> +-; version.
> +-;
> +-; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> +-; WARRANTY; without even the implied warranty of MERCHANTABILITY or
> +-; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> +-; for more details.
> +-;
> +-; You should have received a copy of the GNU General Public License
> +-; along with GCC; see the file COPYING3. If not see
> +-; <http://www.gnu.org/licenses/>.
> +-
> +-mandroid
> +-Target Report RejectNegative Mask(ANDROID)
> +-Generate code for the Android operating system.
> +Index: gcc-4.5.3/gcc/config/arm/linux-eabi.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/arm/linux-eabi.h
> ++++ gcc-4.5.3/gcc/config/arm/linux-eabi.h
> +@@ -70,7 +70,30 @@
> + /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
> + use the GNU/Linux version, not the generic BPABI version. */
> + #undef LINK_SPEC
> +-#define LINK_SPEC LINUX_TARGET_LINK_SPEC BE8_LINK_SPEC TARGET_FIX_V4BX_SPEC
> ++#define LINK_SPEC BE8_LINK_SPEC TARGET_FIX_V4BX_SPEC \
> ++ LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \
> ++ LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC)
> ++
> ++#undef CC1_SPEC
> ++#define CC1_SPEC \
> ++ LINUX_OR_ANDROID_CC (LINUX_TARGET_CC1_SPEC, \
> ++ LINUX_TARGET_CC1_SPEC " " ANDROID_CC1_SPEC)
> ++
> ++#define CC1PLUS_SPEC \
> ++ LINUX_OR_ANDROID_CC ("", ANDROID_CC1PLUS_SPEC)
> ++
> ++#undef LIB_SPEC
> ++#define LIB_SPEC \
> ++ LINUX_OR_ANDROID_LD (LINUX_TARGET_LIB_SPEC, \
> ++ LINUX_TARGET_LIB_SPEC " " ANDROID_LIB_SPEC)
> ++
> ++#undef STARTFILE_SPEC
> ++#define STARTFILE_SPEC \
> ++ LINUX_OR_ANDROID_LD (LINUX_TARGET_STARTFILE_SPEC, ANDROID_STARTFILE_SPEC)
> ++
> ++#undef ENDFILE_SPEC
> ++#define ENDFILE_SPEC \
> ++ LINUX_OR_ANDROID_LD (LINUX_TARGET_ENDFILE_SPEC, ANDROID_ENDFILE_SPEC)
> +
> + /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we
> + do not use -lfloat. */
> +Index: gcc-4.5.3/gcc/config/arm/t-linux-androideabi
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/gcc/config/arm/t-linux-androideabi
> +@@ -0,0 +1,10 @@
> ++MULTILIB_OPTIONS = march=armv7-a mthumb
> ++MULTILIB_DIRNAMES = armv7-a thumb
> ++MULTILIB_EXCEPTIONS =
> ++MULTILIB_MATCHES =
> ++MULTILIB_OSDIRNAMES =
> ++
> ++# The "special" multilib can be used to build native applications for Android,
> ++# as opposed to native shared libraries that are then called via JNI.
> ++#MULTILIB_OPTIONS += tno-android-cc
> ++#MULTILIB_DIRNAMES += special
> +Index: gcc-4.5.3/gcc/config/linux-android.h
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/gcc/config/linux-android.h
> +@@ -0,0 +1,53 @@
> ++/* Configuration file for Linux Android targets.
> ++ Copyright (C) 2010
> ++ Free Software Foundation, Inc.
> ++ Contributed by CodeSourcery, Inc.
> ++
> ++ This file is part of GCC.
> ++
> ++ GCC is free software; you can redistribute it and/or modify it
> ++ under the terms of the GNU General Public License as published
> ++ by the Free Software Foundation; either version 3, or (at your
> ++ option) any later version.
> ++
> ++ GCC is distributed in the hope that it will be useful, but WITHOUT
> ++ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
> ++ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
> ++ License for more details.
> ++
> ++ You should have received a copy of the GNU General Public License
> ++ along with GCC; see the file COPYING3. If not see
> ++ <http://www.gnu.org/licenses/>. */
> ++
> ++#if ANDROID_DEFAULT
> ++# define NOANDROID "mno-android"
> ++#else
> ++# define NOANDROID "!mandroid"
> ++#endif
> ++
> ++#define LINUX_OR_ANDROID_CC(LINUX_SPEC, ANDROID_SPEC) \
> ++ "%{" NOANDROID "|tno-android-cc:" LINUX_SPEC ";:" ANDROID_SPEC "}"
> ++
> ++#define LINUX_OR_ANDROID_LD(LINUX_SPEC, ANDROID_SPEC) \
> ++ "%{" NOANDROID "|tno-android-ld:" LINUX_SPEC ";:" ANDROID_SPEC "}"
> ++
> ++#define ANDROID_LINK_SPEC \
> ++ "%{shared: -Bsymbolic}"
> ++
> ++#define ANDROID_CC1_SPEC \
> ++ "%{!mglibc:%{!muclibc:%{!mbionic: -mbionic}}} " \
> ++ "%{!fno-pic:%{!fno-PIC:%{!fpic:%{!fPIC: -fPIC}}}}"
> ++
> ++#define ANDROID_CC1PLUS_SPEC \
> ++ "%{!fexceptions:%{!fno-exceptions: -fno-exceptions}} " \
> ++ "%{!frtti:%{!fno-rtti: -fno-rtti}}"
> ++
> ++#define ANDROID_LIB_SPEC \
> ++ "%{!static: -ldl}"
> ++
> ++#define ANDROID_STARTFILE_SPEC \
> ++ "%{!shared:" \
> ++ " %{static: crtbegin_static%O%s;: crtbegin_dynamic%O%s}}"
> ++
> ++#define ANDROID_ENDFILE_SPEC \
> ++ "%{!shared: crtend_android%O%s}"
> +Index: gcc-4.5.3/gcc/config/linux-android.opt
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/gcc/config/linux-android.opt
> +@@ -0,0 +1,23 @@
> ++; Android specific options.
> ++
> ++; Copyright (C) 2010 Free Software Foundation, Inc.
> ++;
> ++; This file is part of GCC.
> ++;
> ++; GCC is free software; you can redistribute it and/or modify it under
> ++; the terms of the GNU General Public License as published by the Free
> ++; Software Foundation; either version 3, or (at your option) any later
> ++; version.
> ++;
> ++; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
> ++; WARRANTY; without even the implied warranty of MERCHANTABILITY or
> ++; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
> ++; for more details.
> ++;
> ++; You should have received a copy of the GNU General Public License
> ++; along with GCC; see the file COPYING3. If not see
> ++; <http://www.gnu.org/licenses/>.
> ++
> ++mandroid
> ++Target Report Mask(ANDROID) Var(flag_android) Init(ANDROID_DEFAULT ? OPTION_MASK_ANDROID : 0)
> ++Generate code for the Android platform.
> +Index: gcc-4.5.3/gcc/config/linux.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/linux.h
> ++++ gcc-4.5.3/gcc/config/linux.h
> +@@ -1,6 +1,6 @@
> + /* Definitions for Linux-based GNU systems with ELF format
> + Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006,
> +- 2007, 2009 Free Software Foundation, Inc.
> ++ 2007, 2009, 2010 Free Software Foundation, Inc.
> + Contributed by Eric Youngdale.
> + Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
> +
> +@@ -42,16 +42,17 @@ see the files COPYING3 and COPYING.RUNTI
> + provides part of the support for getting C++ file-scope static
> + object constructed before entering `main'. */
> +
> +-#undef STARTFILE_SPEC
> + #if defined HAVE_LD_PIE
> +-#define STARTFILE_SPEC \
> ++#define LINUX_TARGET_STARTFILE_SPEC \
> + "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
> + crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
> + #else
> +-#define STARTFILE_SPEC \
> ++#define LINUX_TARGET_STARTFILE_SPEC \
> + "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
> + crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
> + #endif
> ++#undef STARTFILE_SPEC
> ++#define STARTFILE_SPEC LINUX_TARGET_STARTFILE_SPEC
> +
> + /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
> + the GNU/Linux magical crtend.o file (see crtstuff.c) which
> +@@ -59,33 +60,44 @@ see the files COPYING3 and COPYING.RUNTI
> + object constructed before entering `main', followed by a normal
> + GNU/Linux "finalizer" file, `crtn.o'. */
> +
> +-#undef ENDFILE_SPEC
> +-#define ENDFILE_SPEC \
> ++#define LINUX_TARGET_ENDFILE_SPEC \
> + "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
> ++#undef ENDFILE_SPEC
> ++#define ENDFILE_SPEC LINUX_TARGET_ENDFILE_SPEC
> +
> + /* This is for -profile to use -lc_p instead of -lc. */
> ++#define LINUX_TARGET_CC1_SPEC "%{profile:-p}"
> + #ifndef CC1_SPEC
> +-#define CC1_SPEC "%{profile:-p}"
> ++#define CC1_SPEC LINUX_TARGET_CC1_SPEC
> + #endif
> +
> + /* The GNU C++ standard library requires that these macros be defined. */
> + #undef CPLUSPLUS_CPP_SPEC
> + #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
> +
> +-#undef LIB_SPEC
> +-#define LIB_SPEC \
> ++#define LINUX_TARGET_LIB_SPEC \
> + "%{pthread:-lpthread} \
> + %{shared:-lc} \
> + %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
> ++#undef LIB_SPEC
> ++#define LIB_SPEC LINUX_TARGET_LIB_SPEC
> ++
> ++/* C libraries supported on Linux. */
> ++#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
> ++#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
> ++#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
> +
> + #define LINUX_TARGET_OS_CPP_BUILTINS() \
> + do { \
> +- builtin_define ("__gnu_linux__"); \
> ++ if (OPTION_GLIBC) \
> ++ builtin_define ("__gnu_linux__"); \
> + builtin_define_std ("linux"); \
> + builtin_define_std ("unix"); \
> + builtin_assert ("system=linux"); \
> + builtin_assert ("system=unix"); \
> + builtin_assert ("system=posix"); \
> ++ if (OPTION_ANDROID) \
> ++ builtin_define ("__ANDROID__"); \
> + } while (0)
> +
> + #if defined(HAVE_LD_EH_FRAME_HDR)
> +@@ -105,13 +117,24 @@ see the files COPYING3 and COPYING.RUNTI
> + #endif
> +
> + /* Determine which dynamic linker to use depending on whether GLIBC or
> +- uClibc is the default C library and whether -muclibc or -mglibc has
> +- been passed to change the default. */
> +-#if UCLIBC_DEFAULT
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
> ++ uClibc or Bionic is the default C library and whether
> ++ -muclibc or -mglibc or -mbionic has been passed to change the default. */
> ++
> ++#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \
> ++ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
> ++
> ++#if DEFAULT_LIBC == LIBC_GLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
> ++ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
> ++#elif DEFAULT_LIBC == LIBC_UCLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
> ++ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
> ++#elif DEFAULT_LIBC == LIBC_BIONIC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
> ++ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
> + #else
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
> +-#endif
> ++#error "Unsupported DEFAULT_LIBC"
> ++#endif /* DEFAULT_LIBC */
> +
> + /* For most targets the following definitions suffice;
> + GLIBC_DYNAMIC_LINKER must be defined for each target using them, or
> +@@ -120,18 +143,25 @@ see the files COPYING3 and COPYING.RUNTI
> + #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
> + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
> + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
> +-#define LINUX_DYNAMIC_LINKER \
> +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
> +-#define LINUX_DYNAMIC_LINKER32 \
> +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
> +-#define LINUX_DYNAMIC_LINKER64 \
> +- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
> ++#define BIONIC_DYNAMIC_LINKER "/system/bin/linker"
> ++#define BIONIC_DYNAMIC_LINKER32 "/system/bin/linker"
> ++#define BIONIC_DYNAMIC_LINKER64 "/system/bin/linker64"
> ++
> ++#define LINUX_DYNAMIC_LINKER \
> ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
> ++ BIONIC_DYNAMIC_LINKER)
> ++#define LINUX_DYNAMIC_LINKER32 \
> ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
> ++ BIONIC_DYNAMIC_LINKER32)
> ++#define LINUX_DYNAMIC_LINKER64 \
> ++ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
> ++ BIONIC_DYNAMIC_LINKER64)
> +
> + /* Determine whether the entire c99 runtime
> + is present in the runtime library. */
> + #define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
> +
> + /* Whether we have sincos that follows the GNU extension. */
> +-#define TARGET_HAS_SINCOS (OPTION_GLIBC)
> ++#define TARGET_HAS_SINCOS (OPTION_GLIBC | OPTION_BIONIC)
> +
> + #define TARGET_POSIX_IO
> +Index: gcc-4.5.3/gcc/config/linux.opt
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/linux.opt
> ++++ gcc-4.5.3/gcc/config/linux.opt
> +@@ -1,6 +1,6 @@
> + ; Processor-independent options for GNU/Linux.
> + ;
> +-; Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
> ++; Copyright (C) 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
> + ; Contributed by CodeSourcery.
> + ;
> + ; This file is part of GCC.
> +@@ -19,10 +19,14 @@
> + ; along with GCC; see the file COPYING3. If not see
> + ; <http://www.gnu.org/licenses/>.
> +
> ++mbionic
> ++Target Report RejectNegative Var(linux_libc,LIBC_BIONIC) Init(DEFAULT_LIBC) Negative(mglibc)
> ++Use Bionic C library
> ++
> + mglibc
> +-Target RejectNegative Report InverseMask(UCLIBC, GLIBC) Var(linux_uclibc) Init(UCLIBC_DEFAULT ? OPTION_MASK_UCLIBC : 0)
> +-Use GNU libc instead of uClibc
> ++Target Report RejectNegative Var(linux_libc,LIBC_GLIBC) VarExists Negative(muclibc)
> ++Use GNU C library
> +
> + muclibc
> +-Target RejectNegative Report Mask(UCLIBC) Var(linux_uclibc) VarExists
> +-Use uClibc instead of GNU libc
> ++Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) VarExists Negative(mbionic)
> ++Use uClibc C library
> +Index: gcc-4.5.3/gcc/config/rs6000/linux64.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/rs6000/linux64.h
> ++++ gcc-4.5.3/gcc/config/rs6000/linux64.h
> +@@ -344,10 +344,12 @@ extern int dot_symbols;
> + #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1"
> + #define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
> + #define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
> +-#if UCLIBC_DEFAULT
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
> ++#if DEFAULT_LIBC == LIBC_UCLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
> ++#elif DEFAULT_LIBC == LIBC_GLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
> + #else
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
> ++#error "Unsupported DEFAULT_LIBC"
> + #endif
> + #define LINUX_DYNAMIC_LINKER32 \
> + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
> +Index: gcc-4.5.3/gcc/config/rs6000/sysv4.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/config/rs6000/sysv4.h
> ++++ gcc-4.5.3/gcc/config/rs6000/sysv4.h
> +@@ -901,10 +901,12 @@ SVR4_ASM_SPEC \
> +
> + #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
> + #define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
> +-#if UCLIBC_DEFAULT
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
> ++#if DEFAULT_LIBC == LIBC_UCLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
> ++#elif DEFAULT_LIBC == LIBC_GLIBC
> ++#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
> + #else
> +-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
> ++#error "Unsupported DEFAULT_LIBC"
> + #endif
> + #define LINUX_DYNAMIC_LINKER \
> + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
> +Index: gcc-4.5.3/gcc/doc/invoke.texi
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/doc/invoke.texi
> ++++ gcc-4.5.3/gcc/doc/invoke.texi
> +@@ -565,7 +565,8 @@ Objective-C and Objective-C++ Dialects}.
> + -mcpu=@var{cpu}}
> +
> + @emph{GNU/Linux Options}
> +-@gccoptlist{-muclibc}
> ++@gccoptlist{-mglibc -muclibc -mbionic -mandroid @gol
> ++-tno-android-cc -tno-android-ld}
> +
> + @emph{H8/300 Options}
> + @gccoptlist{-mrelax -mh -ms -mn -mint32 -malign-300}
> +@@ -11469,13 +11470,41 @@ These @samp{-m} options are defined for
> + @table @gcctabopt
> + @item -mglibc
> + @opindex mglibc
> +-Use the GNU C library instead of uClibc. This is the default except
> +-on @samp{*-*-linux-*uclibc*} targets.
> ++Use the GNU C library. This is the default except
> ++on @samp{*-*-linux-*uclibc*} and @samp{*-*-linux-*android*} targets.
> +
> + @item -muclibc
> + @opindex muclibc
> +-Use uClibc instead of the GNU C library. This is the default on
> ++Use uClibc C library. This is the default on
> + @samp{*-*-linux-*uclibc*} targets.
> ++
> ++@item -mbionic
> ++@opindex mbionic
> ++Use Bionic C library. This is the default on
> ++@samp{*-*-linux-*android*} targets.
> ++
> ++@item -mandroid
> ++@opindex mandroid
> ++Compile code compatible with Android platform. This is the default on
> ++@samp{*-*-linux-*android*} targets.
> ++
> ++When compiling, this option enables @option{-mbionic}, @option{-fPIC},
> ++@option{-fno-exceptions} and @option{-fno-rtti} by default. When linking,
> ++this option makes the GCC driver pass Android-specific options to the linker.
> ++Finally, this option causes the preprocessor macro @code{__ANDROID__}
> ++to be defined.
> ++
> ++@item -tno-android-cc
> ++@opindex tno-android-cc
> ++Disable compilation effects of @option{-mandroid}, i.e., do not enable
> ++@option{-mbionic}, @option{-fPIC}, @option{-fno-exceptions} and
> ++@option{-fno-rtti} by default.
> ++
> ++@item -tno-android-ld
> ++@opindex tno-android-ld
> ++Disable linking effects of @option{-mandroid}, i.e., pass standard Linux
> ++linking options to the linker.
> ++
> + @end table
> +
> + @node H8/300 Options
> +Index: gcc-4.5.3/gcc/gthr-posix.h
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/gthr-posix.h
> ++++ gcc-4.5.3/gcc/gthr-posix.h
> +@@ -124,7 +124,9 @@ __gthrw(pthread_join)
> + __gthrw(pthread_equal)
> + __gthrw(pthread_self)
> + __gthrw(pthread_detach)
> ++#ifndef __BIONIC__
> + __gthrw(pthread_cancel)
> ++#endif
> + __gthrw(sched_yield)
> +
> + __gthrw(pthread_mutex_lock)
> +@@ -238,7 +240,15 @@ static inline int
> + __gthread_active_p (void)
> + {
> + static void *const __gthread_active_ptr
> +- = __extension__ (void *) &__gthrw_(pthread_cancel);
> ++ = __extension__ (void *) &__gthrw_(
> ++/* Android's C library does not provide pthread_cancel, check for
> ++ `pthread_create' instead. */
> ++#ifndef __BIONIC__
> ++ pthread_cancel
> ++#else
> ++ pthread_create
> ++#endif
> ++ );
> + return __gthread_active_ptr != 0;
> + }
> +
> +Index: gcc-4.5.3/gcc/testsuite/gcc.dg/glibc-uclibc-1.c
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/testsuite/gcc.dg/glibc-uclibc-1.c
> ++++ /dev/null
> +@@ -1,6 +0,0 @@
> +-/* Test -mglibc and -muclibc not allowed together. */
> +-/* Origin: Joseph Myers <joseph@codesourcery.com> */
> +-/* { dg-do link { target *-*-linux* } } */
> +-/* { dg-options "-mglibc -muclibc" } */
> +-
> +-/* { dg-message "-mglibc and -muclibc used together" "" { target *-*-* } 0 } */
> +Index: gcc-4.5.3/gcc/testsuite/gcc.dg/glibc-uclibc-2.c
> +===================================================================
> +--- gcc-4.5.3.orig/gcc/testsuite/gcc.dg/glibc-uclibc-2.c
> ++++ /dev/null
> +@@ -1,6 +0,0 @@
> +-/* Test -mglibc and -muclibc not allowed together. */
> +-/* Origin: Joseph Myers <joseph@codesourcery.com> */
> +-/* { dg-do link { target *-*-linux* } } */
> +-/* { dg-options "-muclibc -mglibc" } */
> +-
> +-/* { dg-message "-mglibc and -muclibc used together" "" { target *-*-* } 0 } */
> +Index: gcc-4.5.3/libstdc++-v3/acinclude.m4
> +===================================================================
> +--- gcc-4.5.3.orig/libstdc++-v3/acinclude.m4
> ++++ gcc-4.5.3/libstdc++-v3/acinclude.m4
> +@@ -95,7 +95,7 @@ AC_DEFUN([GLIBCXX_CONFIGURE], [
> + ## (Right now, this only matters for enable_wchar_t, but nothing prevents
> + ## other macros from doing the same. This should be automated.) -pme
> +
> +- # Check for uClibc since Linux platforms use different configuration
> ++ # Check for C library flavor since Linux platforms use different configuration
> + # directories depending on the C library in use.
> + AC_EGREP_CPP([_using_uclibc], [
> + #include <stdio.h>
> +@@ -104,6 +104,13 @@ AC_DEFUN([GLIBCXX_CONFIGURE], [
> + #endif
> + ], uclibc=yes, uclibc=no)
> +
> ++ AC_EGREP_CPP([_using_bionic], [
> ++ #include <stdio.h>
> ++ #if __BIONIC__
> ++ _using_bionic
> ++ #endif
> ++ ], bionic=yes, bionic=no)
> ++
> + # Find platform-specific directories containing configuration info.
> + # Also possibly modify flags used elsewhere, as needed by the platform.
> + GLIBCXX_CHECK_HOST
> +@@ -2722,7 +2729,7 @@ void foo()
> + }
> + EOF
> + old_CXXFLAGS="$CXXFLAGS"
> +- CXXFLAGS=-S
> ++ CXXFLAGS="-S -fexceptions"
> + if AC_TRY_EVAL(ac_compile); then
> + if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
> + enable_sjlj_exceptions=yes
> +Index: gcc-4.5.3/libstdc++-v3/config/os/bionic/ctype_base.h
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/libstdc++-v3/config/os/bionic/ctype_base.h
> +@@ -0,0 +1,57 @@
> ++// Locale support -*- C++ -*-
> ++
> ++// Copyright (C) 2010 Free Software Foundation, Inc.
> ++//
> ++// This file is part of the GNU ISO C++ Library. This library is free
> ++// software; you can redistribute it and/or modify it under the
> ++// terms of the GNU General Public License as published by the
> ++// Free Software Foundation; either version 3, or (at your option)
> ++// any later version.
> ++
> ++// This library is distributed in the hope that it will be useful,
> ++// but WITHOUT ANY WARRANTY; without even the implied warranty of
> ++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> ++// GNU General Public License for more details.
> ++
> ++// Under Section 7 of GPL version 3, you are granted additional
> ++// permissions described in the GCC Runtime Library Exception, version
> ++// 3.1, as published by the Free Software Foundation.
> ++
> ++// You should have received a copy of the GNU General Public License and
> ++// a copy of the GCC Runtime Library Exception along with this program;
> ++// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> ++// <http://www.gnu.org/licenses/>.
> ++
> ++//
> ++// ISO C++ 14882: 22.1 Locales
> ++//
> ++
> ++// Information as gleaned from /usr/include/ctype.h, for solaris2.5.1
> ++
> ++// Support for Solaris 2.5.1
> ++
> ++_GLIBCXX_BEGIN_NAMESPACE(std)
> ++
> ++ /// @brief Base class for ctype.
> ++ struct ctype_base
> ++ {
> ++ // Non-standard typedefs.
> ++ typedef const int* __to_type;
> ++
> ++ // NB: Offsets into ctype<char>::_M_table force a particular size
> ++ // on the mask type. Because of this, we don't use an enum.
> ++ typedef char mask;
> ++ static const mask upper = _U;
> ++ static const mask lower = _L;
> ++ static const mask alpha = _U | _L;
> ++ static const mask digit = _N;
> ++ static const mask xdigit = _X | _N;
> ++ static const mask space = _S;
> ++ static const mask print = _P | _U | _L | _N | _B;
> ++ static const mask graph = _P | _U | _L | _N;
> ++ static const mask cntrl = _C;
> ++ static const mask punct = _P;
> ++ static const mask alnum = _U | _L | _N;
> ++ };
> ++
> ++_GLIBCXX_END_NAMESPACE
> +Index: gcc-4.5.3/libstdc++-v3/config/os/bionic/ctype_inline.h
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/libstdc++-v3/config/os/bionic/ctype_inline.h
> +@@ -0,0 +1,71 @@
> ++// Locale support -*- C++ -*-
> ++
> ++// Copyright (C) 2010 Free Software Foundation, Inc.
> ++//
> ++// This file is part of the GNU ISO C++ Library. This library is free
> ++// software; you can redistribute it and/or modify it under the
> ++// terms of the GNU General Public License as published by the
> ++// Free Software Foundation; either version 3, or (at your option)
> ++// any later version.
> ++
> ++// This library is distributed in the hope that it will be useful,
> ++// but WITHOUT ANY WARRANTY; without even the implied warranty of
> ++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> ++// GNU General Public License for more details.
> ++
> ++// Under Section 7 of GPL version 3, you are granted additional
> ++// permissions described in the GCC Runtime Library Exception, version
> ++// 3.1, as published by the Free Software Foundation.
> ++
> ++// You should have received a copy of the GNU General Public License and
> ++// a copy of the GCC Runtime Library Exception along with this program;
> ++// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> ++// <http://www.gnu.org/licenses/>.
> ++
> ++/** @file ctype_inline.h
> ++ * This is an internal header file, included by other library headers.
> ++ * You should not attempt to use it directly.
> ++ */
> ++
> ++//
> ++// ISO C++ 14882: 22.1 Locales
> ++//
> ++
> ++// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
> ++// functions go in ctype.cc
> ++
> ++_GLIBCXX_BEGIN_NAMESPACE(std)
> ++
> ++ bool
> ++ ctype<char>::
> ++ is(mask __m, char __c) const
> ++ { return _M_table[static_cast<unsigned char>(__c)] & __m; }
> ++
> ++ const char*
> ++ ctype<char>::
> ++ is(const char* __low, const char* __high, mask* __vec) const
> ++ {
> ++ while (__low < __high)
> ++ *__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
> ++ return __high;
> ++ }
> ++
> ++ const char*
> ++ ctype<char>::
> ++ scan_is(mask __m, const char* __low, const char* __high) const
> ++ {
> ++ while (__low < __high && !this->is(__m, *__low))
> ++ ++__low;
> ++ return __low;
> ++ }
> ++
> ++ const char*
> ++ ctype<char>::
> ++ scan_not(mask __m, const char* __low, const char* __high) const
> ++ {
> ++ while (__low < __high && this->is(__m, *__low) != 0)
> ++ ++__low;
> ++ return __low;
> ++ }
> ++
> ++_GLIBCXX_END_NAMESPACE
> +Index: gcc-4.5.3/libstdc++-v3/config/os/bionic/ctype_noninline.h
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/libstdc++-v3/config/os/bionic/ctype_noninline.h
> +@@ -0,0 +1,98 @@
> ++// Locale support -*- C++ -*-
> ++
> ++// Copyright (C) 2010 Free Software Foundation, Inc.
> ++//
> ++// This file is part of the GNU ISO C++ Library. This library is free
> ++// software; you can redistribute it and/or modify it under the
> ++// terms of the GNU General Public License as published by the
> ++// Free Software Foundation; either version 3, or (at your option)
> ++// any later version.
> ++
> ++// This library is distributed in the hope that it will be useful,
> ++// but WITHOUT ANY WARRANTY; without even the implied warranty of
> ++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> ++// GNU General Public License for more details.
> ++
> ++// Under Section 7 of GPL version 3, you are granted additional
> ++// permissions described in the GCC Runtime Library Exception, version
> ++// 3.1, as published by the Free Software Foundation.
> ++
> ++// You should have received a copy of the GNU General Public License and
> ++// a copy of the GCC Runtime Library Exception along with this program;
> ++// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> ++// <http://www.gnu.org/licenses/>.
> ++
> ++/** @file ctype_noninline.h
> ++ * This is an internal header file, included by other library headers.
> ++ * You should not attempt to use it directly.
> ++ */
> ++
> ++//
> ++// ISO C++ 14882: 22.1 Locales
> ++//
> ++
> ++// Information as gleaned from /usr/include/ctype.h
> ++
> ++ const ctype_base::mask*
> ++ ctype<char>::classic_table() throw()
> ++ { return _ctype_ + 1; }
> ++
> ++ ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
> ++ size_t __refs)
> ++ : facet(__refs), _M_del(__table != 0 && __del),
> ++ _M_toupper(NULL), _M_tolower(NULL),
> ++ _M_table(__table ? __table : classic_table())
> ++ {
> ++ memset(_M_widen, 0, sizeof(_M_widen));
> ++ _M_widen_ok = 0;
> ++ memset(_M_narrow, 0, sizeof(_M_narrow));
> ++ _M_narrow_ok = 0;
> ++ }
> ++
> ++ ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
> ++ : facet(__refs), _M_del(__table != 0 && __del),
> ++ _M_toupper(NULL), _M_tolower(NULL),
> ++ _M_table(__table ? __table : classic_table())
> ++ {
> ++ memset(_M_widen, 0, sizeof(_M_widen));
> ++ _M_widen_ok = 0;
> ++ memset(_M_narrow, 0, sizeof(_M_narrow));
> ++ _M_narrow_ok = 0;
> ++ }
> ++
> ++ char
> ++ ctype<char>::do_toupper(char __c) const
> ++ {
> ++ int __x = __c;
> ++ return (this->is(ctype_base::lower, __c) ? (__x - 'a' + 'A') : __x);
> ++ }
> ++
> ++ const char*
> ++ ctype<char>::do_toupper(char* __low, const char* __high) const
> ++ {
> ++ while (__low < __high)
> ++ {
> ++ *__low = this->do_toupper(*__low);
> ++ ++__low;
> ++ }
> ++ return __high;
> ++ }
> ++
> ++ char
> ++ ctype<char>::do_tolower(char __c) const
> ++ {
> ++ int __x = __c;
> ++ return (this->is(ctype_base::upper, __c) ? (__x - 'A' + 'a') : __x);
> ++ }
> ++
> ++ const char*
> ++ ctype<char>::do_tolower(char* __low, const char* __high) const
> ++ {
> ++ while (__low < __high)
> ++ {
> ++ *__low = this->do_tolower(*__low);
> ++ ++__low;
> ++ }
> ++ return __high;
> ++ }
> ++
> +Index: gcc-4.5.3/libstdc++-v3/config/os/bionic/os_defines.h
> +===================================================================
> +--- /dev/null
> ++++ gcc-4.5.3/libstdc++-v3/config/os/bionic/os_defines.h
> +@@ -0,0 +1,36 @@
> ++// Specific definitions for Bionic -*- C++ -*-
> ++
> ++// Copyright (C) 2010 Free Software Foundation, Inc.
> ++//
> ++// This file is part of the GNU ISO C++ Library. This library is free
> ++// software; you can redistribute it and/or modify it under the
> ++// terms of the GNU General Public License as published by the
> ++// Free Software Foundation; either version 3, or (at your option)
> ++// any later version.
> ++
> ++// This library is distributed in the hope that it will be useful,
> ++// but WITHOUT ANY WARRANTY; without even the implied warranty of
> ++// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> ++// GNU General Public License for more details.
> ++
> ++// Under Section 7 of GPL version 3, you are granted additional
> ++// permissions described in the GCC Runtime Library Exception, version
> ++// 3.1, as published by the Free Software Foundation.
> ++
> ++// You should have received a copy of the GNU General Public License and
> ++// a copy of the GCC Runtime Library Exception along with this program;
> ++// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
> ++// <http://www.gnu.org/licenses/>.
> ++
> ++/** @file os_defines.h
> ++ * This is an internal header file, included by other library headers.
> ++ * You should not attempt to use it directly.
> ++ */
> ++
> ++#ifndef _GLIBCXX_OS_DEFINES
> ++#define _GLIBCXX_OS_DEFINES 1
> ++
> ++// System-specific #define, typedefs, corrections, etc, go here. This
> ++// file will come before all others.
> ++
> ++#endif
> +Index: gcc-4.5.3/libstdc++-v3/configure
> +===================================================================
> +--- gcc-4.5.3.orig/libstdc++-v3/configure
> ++++ gcc-4.5.3/libstdc++-v3/configure
> +@@ -5185,7 +5185,7 @@ fi
> + ## (Right now, this only matters for enable_wchar_t, but nothing prevents
> + ## other macros from doing the same. This should be automated.) -pme
> +
> +- # Check for uClibc since Linux platforms use different configuration
> ++ # Check for C library flavor since Linux platforms use different configuration
> + # directories depending on the C library in use.
> + cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> + /* end confdefs.h. */
> +@@ -5205,6 +5205,24 @@ fi
> + rm -f conftest*
> +
> +
> ++ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> ++/* end confdefs.h. */
> ++
> ++ #include <stdio.h>
> ++ #if __BIONIC__
> ++ _using_bionic
> ++ #endif
> ++
> ++_ACEOF
> ++if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
> ++ $EGREP "_using_bionic" >/dev/null 2>&1; then :
> ++ bionic=yes
> ++else
> ++ bionic=no
> ++fi
> ++rm -f conftest*
> ++
> ++
> + # Find platform-specific directories containing configuration info.
> + # Also possibly modify flags used elsewhere, as needed by the platform.
> +
> +@@ -14897,7 +14915,7 @@ void foo()
> + }
> + EOF
> + old_CXXFLAGS="$CXXFLAGS"
> +- CXXFLAGS=-S
> ++ CXXFLAGS="-S -fexceptions"
> + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
> + (eval $ac_compile) 2>&5
> + ac_status=$?
> +Index: gcc-4.5.3/libstdc++-v3/configure.host
> +===================================================================
> +--- gcc-4.5.3.orig/libstdc++-v3/configure.host
> ++++ gcc-4.5.3/libstdc++-v3/configure.host
> +@@ -238,6 +238,8 @@ case "${host_os}" in
> + gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
> + if [ "$uclibc" = "yes" ]; then
> + os_include_dir="os/uclibc"
> ++ elif [ "$bionic" = "yes" ]; then
> ++ os_include_dir="os/bionic"
> + else
> + os_include_dir="os/gnu-linux"
> + fi
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99495.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99495.patch
> new file mode 100644
> index 0000000..bb866ce
> --- /dev/null
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99495.patch
> @@ -0,0 +1,784 @@
> +2011-03-24 Revital Eres <revital.eres@linaro.org>
> +
> + gcc/
> + * loop-doloop.c (doloop_condition_get): Support new form of
> + doloop pattern and use prev_nondebug_insn instead of PREV_INSN.
> + * config/arm/thumb2.md (*thumb2_addsi3_compare0): Remove "*".
> + (doloop_end): New.
> + * config/arm/arm.md (*addsi3_compare0): Remove "*".
> + * ddg.c (check_closing_branch_deps, get_node_of_insn_uid):
> + New functions.
> + (create_ddg): Pass sbitmap containing do-loop related
> + instructions instead of closing_branch_deps parameter and call
> + check_closing_branch_deps function.
> + * ddg.h (create_ddg): Adjust the function declaration.
> + * modulo-sched.c (PS_STAGE_COUNT): Rename to CALC_STAGE_COUNT
> + and redefine.
> + (doloop_register_get): Handle NONDEBUG_INSN_P.
> + (stage_count): New field in struct partial_schedule.
> + (mark_doloop_insns, calculate_stage_count): New functions.
> + (normalize_sched_times): Rename to reset_sched_times and handle
> + incrementing the sched time of the nodes by a constant value
> + passed as parameter.
> + (duplicate_insns_of_cycles): Skip closing branch.
> + (sms_schedule_by_order): Schedule closing branch when
> + closing_branch_deps is true.
> + (ps_insn_find_column): Handle closing branch.
> + (sms_schedule): Call reset_sched_times and handle case where
> + do-loop pattern is not decoupled from the other loop instructions.
> + Support new form of doloop pattern.
> + (ps_insert_empty_row): Update calls to normalize_sched_times
> + and rotate_partial_schedule functions.
> +
> +=== modified file 'gcc/config/arm/arm.md'
> +--- old/gcc/config/arm/arm.md 2011-03-11 14:26:34 +0000
> ++++ new/gcc/config/arm/arm.md 2011-03-24 07:45:38 +0000
> +@@ -734,7 +734,7 @@
> + ""
> + )
> +
> +-(define_insn "*addsi3_compare0"
> ++(define_insn "addsi3_compare0"
> + [(set (reg:CC_NOOV CC_REGNUM)
> + (compare:CC_NOOV
> + (plus:SI (match_operand:SI 1 "s_register_operand" "r, r")
> +
> +=== modified file 'gcc/config/arm/thumb2.md'
> +--- old/gcc/config/arm/thumb2.md 2011-02-08 10:51:58 +0000
> ++++ new/gcc/config/arm/thumb2.md 2011-03-24 07:45:38 +0000
> +@@ -1194,7 +1194,7 @@
> + (set_attr "length" "2")]
> + )
> +
> +-(define_insn "*thumb2_addsi3_compare0"
> ++(define_insn "thumb2_addsi3_compare0"
> + [(set (reg:CC_NOOV CC_REGNUM)
> + (compare:CC_NOOV
> + (plus:SI (match_operand:SI 1 "s_register_operand" "l, 0, r")
> +@@ -1445,3 +1445,56 @@
> + [(set_attr "length" "4,4,16")
> + (set_attr "predicable" "yes")]
> + )
> ++
> ++
> ++;; Define the subtract-one-and-jump insns so loop.c
> ++;; knows what to generate.
> ++(define_expand "doloop_end"
> ++ [(use (match_operand 0 "" "")) ; loop pseudo
> ++ (use (match_operand 1 "" "")) ; iterations; zero if unknown
> ++ (use (match_operand 2 "" "")) ; max iterations
> ++ (use (match_operand 3 "" "")) ; loop level
> ++ (use (match_operand 4 "" ""))] ; label
> ++ "TARGET_32BIT"
> ++ "
> ++ {
> ++ /* Currently SMS relies on the do-loop pattern to recognize loops
> ++ where (1) the control part consists of all insns defining and/or
> ++ using a certain 'count' register and (2) the loop count can be
> ++ adjusted by modifying this register prior to the loop.
> ++ ??? The possible introduction of a new block to initialize the
> ++ new IV can potentially affect branch optimizations. */
> ++ if (optimize > 0 && flag_modulo_sched)
> ++ {
> ++ rtx s0;
> ++ rtx bcomp;
> ++ rtx loc_ref;
> ++ rtx cc_reg;
> ++ rtx insn;
> ++ rtx cmp;
> ++
> ++ /* Only use this on innermost loops. */
> ++ if (INTVAL (operands[3]) > 1)
> ++ FAIL;
> ++
> ++ if (GET_MODE (operands[0]) != SImode)
> ++ FAIL;
> ++
> ++ s0 = operands [0];
> ++ if (TARGET_THUMB2)
> ++ insn = emit_insn (gen_thumb2_addsi3_compare0 (s0, s0, GEN_INT (-1)));
> ++ else
> ++ insn = emit_insn (gen_addsi3_compare0 (s0, s0, GEN_INT (-1)));
> ++
> ++ cmp = XVECEXP (PATTERN (insn), 0, 0);
> ++ cc_reg = SET_DEST (cmp);
> ++ bcomp = gen_rtx_NE (VOIDmode, cc_reg, const0_rtx);
> ++ loc_ref = gen_rtx_LABEL_REF (VOIDmode, operands [4]);
> ++ emit_jump_insn (gen_rtx_SET (VOIDmode, pc_rtx,
> ++ gen_rtx_IF_THEN_ELSE (VOIDmode, bcomp,
> ++ loc_ref, pc_rtx)));
> ++ DONE;
> ++ }else
> ++ FAIL;
> ++ }")
> ++
> +
> +=== modified file 'gcc/ddg.c'
> +--- old/gcc/ddg.c 2010-07-19 08:58:53 +0000
> ++++ new/gcc/ddg.c 2011-03-24 07:45:38 +0000
> +@@ -60,6 +60,8 @@
> + static ddg_edge_ptr create_ddg_edge (ddg_node_ptr, ddg_node_ptr, dep_type,
> + dep_data_type, int, int);
> + static void add_edge_to_ddg (ddg_ptr g, ddg_edge_ptr);
> ++static ddg_node_ptr get_node_of_insn_uid (ddg_ptr, int);
> ++
> + \f
> + /* Auxiliary variable for mem_read_insn_p/mem_write_insn_p. */
> + static bool mem_ref_p;
> +@@ -450,12 +452,65 @@
> + sched_free_deps (head, tail, false);
> + }
> +
> ++/* Given DOLOOP_INSNS which holds the instructions that
> ++ belong to the do-loop part; mark closing_branch_deps field in ddg G
> ++ as TRUE if the do-loop part's instructions are dependent on the other
> ++ loop instructions. Otherwise mark it as FALSE. */
> ++static void
> ++check_closing_branch_deps (ddg_ptr g, sbitmap doloop_insns)
> ++{
> ++ sbitmap_iterator sbi;
> ++ unsigned int u = 0;
> ++
> ++ EXECUTE_IF_SET_IN_SBITMAP (doloop_insns, 0, u, sbi)
> ++ {
> ++ ddg_edge_ptr e;
> ++ ddg_node_ptr u_node = get_node_of_insn_uid (g, u);
> ++
> ++ gcc_assert (u_node);
> ++
> ++ for (e = u_node->in; e != 0; e = e->next_in)
> ++ {
> ++ ddg_node_ptr v_node = e->src;
> ++
> ++ if (((unsigned int) INSN_UID (v_node->insn) == u)
> ++ || DEBUG_INSN_P (v_node->insn))
> ++ continue;
> ++
> ++ /* Ignore dependencies between memory writes and the
> ++ jump. */
> ++ if (JUMP_P (u_node->insn)
> ++ && e->type == OUTPUT_DEP
> ++ && mem_write_insn_p (v_node->insn))
> ++ continue;
> ++ if (!TEST_BIT (doloop_insns, INSN_UID (v_node->insn)))
> ++ {
> ++ g->closing_branch_deps = 1;
> ++ return;
> ++ }
> ++ }
> ++ for (e = u_node->out; e != 0; e = e->next_out)
> ++ {
> ++ ddg_node_ptr v_node = e->dest;
> ++
> ++ if (((unsigned int) INSN_UID (v_node->insn) == u)
> ++ || DEBUG_INSN_P (v_node->insn))
> ++ continue;
> ++ if (!TEST_BIT (doloop_insns, INSN_UID (v_node->insn)))
> ++ {
> ++ g->closing_branch_deps = 1;
> ++ return;
> ++ }
> ++ }
> ++ }
> ++ g->closing_branch_deps = 0;
> ++}
> +
> + /* Given a basic block, create its DDG and return a pointer to a variable
> + of ddg type that represents it.
> + Initialize the ddg structure fields to the appropriate values. */
> + ddg_ptr
> +-create_ddg (basic_block bb, int closing_branch_deps)
> ++create_ddg (basic_block bb, sbitmap doloop_insns)
> + {
> + ddg_ptr g;
> + rtx insn, first_note;
> +@@ -465,7 +520,6 @@
> + g = (ddg_ptr) xcalloc (1, sizeof (struct ddg));
> +
> + g->bb = bb;
> +- g->closing_branch_deps = closing_branch_deps;
> +
> + /* Count the number of insns in the BB. */
> + for (insn = BB_HEAD (bb); insn != NEXT_INSN (BB_END (bb));
> +@@ -538,6 +592,11 @@
> + /* Build the data dependency graph. */
> + build_intra_loop_deps (g);
> + build_inter_loop_deps (g);
> ++
> ++ /* Check whether the do-loop part is decoupled from the other loop
> ++ instructions. */
> ++ check_closing_branch_deps (g, doloop_insns);
> ++
> + return g;
> + }
> +
> +@@ -831,6 +890,18 @@
> + return NULL;
> + }
> +
> ++/* Given the uid of an instruction UID return the node that represents it. */
> ++static ddg_node_ptr
> ++get_node_of_insn_uid (ddg_ptr g, int uid)
> ++{
> ++ int i;
> ++
> ++ for (i = 0; i < g->num_nodes; i++)
> ++ if (uid == INSN_UID (g->nodes[i].insn))
> ++ return &g->nodes[i];
> ++ return NULL;
> ++}
> ++
> + /* Given a set OPS of nodes in the DDG, find the set of their successors
> + which are not in OPS, and set their bits in SUCC. Bits corresponding to
> + OPS are cleared from SUCC. Leaves the other bits in SUCC unchanged. */
> +
> +=== modified file 'gcc/ddg.h'
> +--- old/gcc/ddg.h 2009-11-25 10:55:54 +0000
> ++++ new/gcc/ddg.h 2011-03-24 07:45:38 +0000
> +@@ -167,7 +167,7 @@
> + };
> +
> + \f
> +-ddg_ptr create_ddg (basic_block, int closing_branch_deps);
> ++ddg_ptr create_ddg (basic_block, sbitmap);
> + void free_ddg (ddg_ptr);
> +
> + void print_ddg (FILE *, ddg_ptr);
> +
> +=== modified file 'gcc/loop-doloop.c'
> +--- old/gcc/loop-doloop.c 2010-07-19 08:58:53 +0000
> ++++ new/gcc/loop-doloop.c 2011-03-24 07:45:38 +0000
> +@@ -78,6 +78,8 @@
> + rtx inc_src;
> + rtx condition;
> + rtx pattern;
> ++ rtx cc_reg = NULL_RTX;
> ++ rtx reg_orig = NULL_RTX;
> +
> + /* The canonical doloop pattern we expect has one of the following
> + forms:
> +@@ -96,7 +98,16 @@
> + 2) (set (reg) (plus (reg) (const_int -1))
> + (set (pc) (if_then_else (reg != 0)
> + (label_ref (label))
> +- (pc))). */
> ++ (pc))).
> ++
> ++ Some targets (ARM) do the comparison before the branch, as in the
> ++ following form:
> ++
> ++ 3) (parallel [(set (cc) (compare ((plus (reg) (const_int -1), 0)))
> ++ (set (reg) (plus (reg) (const_int -1)))])
> ++ (set (pc) (if_then_else (cc == NE)
> ++ (label_ref (label))
> ++ (pc))) */
> +
> + pattern = PATTERN (doloop_pat);
> +
> +@@ -104,19 +115,47 @@
> + {
> + rtx cond;
> + rtx prev_insn = prev_nondebug_insn (doloop_pat);
> ++ rtx cmp_arg1, cmp_arg2;
> ++ rtx cmp_orig;
> +
> +- /* We expect the decrement to immediately precede the branch. */
> ++ /* In case the pattern is not PARALLEL we expect two forms
> ++ of doloop which are cases 2) and 3) above: in case 2) the
> ++ decrement immediately precedes the branch, while in case 3)
> ++ the compare and decrement instructions immediately precede
> ++ the branch. */
> +
> + if (prev_insn == NULL_RTX || !INSN_P (prev_insn))
> + return 0;
> +
> + cmp = pattern;
> +- inc = PATTERN (PREV_INSN (doloop_pat));
> ++ if (GET_CODE (PATTERN (prev_insn)) == PARALLEL)
> ++ {
> ++ /* The third case: the compare and decrement instructions
> ++ immediately precede the branch. */
> ++ cmp_orig = XVECEXP (PATTERN (prev_insn), 0, 0);
> ++ if (GET_CODE (cmp_orig) != SET)
> ++ return 0;
> ++ if (GET_CODE (SET_SRC (cmp_orig)) != COMPARE)
> ++ return 0;
> ++ cmp_arg1 = XEXP (SET_SRC (cmp_orig), 0);
> ++ cmp_arg2 = XEXP (SET_SRC (cmp_orig), 1);
> ++ if (cmp_arg2 != const0_rtx
> ++ || GET_CODE (cmp_arg1) != PLUS)
> ++ return 0;
> ++ reg_orig = XEXP (cmp_arg1, 0);
> ++ if (XEXP (cmp_arg1, 1) != GEN_INT (-1)
> ++ || !REG_P (reg_orig))
> ++ return 0;
> ++ cc_reg = SET_DEST (cmp_orig);
> ++
> ++ inc = XVECEXP (PATTERN (prev_insn), 0, 1);
> ++ }
> ++ else
> ++ inc = PATTERN (prev_insn);
> + /* We expect the condition to be of the form (reg != 0) */
> + cond = XEXP (SET_SRC (cmp), 0);
> + if (GET_CODE (cond) != NE || XEXP (cond, 1) != const0_rtx)
> + return 0;
> +-
> + }
> + else
> + {
> +@@ -162,11 +201,15 @@
> + return 0;
> +
> + if ((XEXP (condition, 0) == reg)
> ++ /* For the third case: */
> ++ || ((cc_reg != NULL_RTX)
> ++ && (XEXP (condition, 0) == cc_reg)
> ++ && (reg_orig == reg))
> + || (GET_CODE (XEXP (condition, 0)) == PLUS
> +- && XEXP (XEXP (condition, 0), 0) == reg))
> ++ && XEXP (XEXP (condition, 0), 0) == reg))
> + {
> + if (GET_CODE (pattern) != PARALLEL)
> +- /* The second form we expect:
> ++ /* For the second form we expect:
> +
> + (set (reg) (plus (reg) (const_int -1))
> + (set (pc) (if_then_else (reg != 0)
> +@@ -181,7 +224,24 @@
> + (set (reg) (plus (reg) (const_int -1)))
> + (additional clobbers and uses)])
> +
> +- So we return that form instead.
> ++ For the third form we expect:
> ++
> ++ (parallel [(set (cc) (compare ((plus (reg) (const_int -1)), 0))
> ++ (set (reg) (plus (reg) (const_int -1)))])
> ++ (set (pc) (if_then_else (cc == NE)
> ++ (label_ref (label))
> ++ (pc)))
> ++
> ++ which is equivalent to the following:
> ++
> ++ (parallel [(set (cc) (compare (reg, 1))
> ++ (set (reg) (plus (reg) (const_int -1)))
> ++ (set (pc) (if_then_else (NE == cc)
> ++ (label_ref (label))
> ++ (pc))))])
> ++
> ++ So we return the second form instead for the two cases.
> ++
> + */
> + condition = gen_rtx_fmt_ee (NE, VOIDmode, inc_src, const1_rtx);
> +
> +
> +=== modified file 'gcc/modulo-sched.c'
> +--- old/gcc/modulo-sched.c 2009-11-25 10:55:54 +0000
> ++++ new/gcc/modulo-sched.c 2011-03-24 07:45:38 +0000
> +@@ -116,8 +116,10 @@
> +
> + /* The number of different iterations the nodes in ps span, assuming
> + the stage boundaries are placed efficiently. */
> +-#define PS_STAGE_COUNT(ps) ((PS_MAX_CYCLE (ps) - PS_MIN_CYCLE (ps) \
> +- + 1 + (ps)->ii - 1) / (ps)->ii)
> ++#define CALC_STAGE_COUNT(min_cycle,max_cycle,ii) ((max_cycle - min_cycle \
> ++ + 1 + ii - 1) / ii)
> ++/* The stage count of ps. */
> ++#define PS_STAGE_COUNT(ps) (((partial_schedule_ptr)(ps))->stage_count)
> +
> + /* A single instruction in the partial schedule. */
> + struct ps_insn
> +@@ -155,6 +157,8 @@
> + int max_cycle;
> +
> + ddg_ptr g; /* The DDG of the insns in the partial schedule. */
> ++
> ++ int stage_count; /* The stage count of the partial schedule. */
> + };
> +
> + /* We use this to record all the register replacements we do in
> +@@ -195,6 +199,7 @@
> + rtx, rtx);
> + static void duplicate_insns_of_cycles (partial_schedule_ptr,
> + int, int, int, rtx);
> ++static int calculate_stage_count (partial_schedule_ptr ps);
> +
> + #define SCHED_ASAP(x) (((node_sched_params_ptr)(x)->aux.info)->asap)
> + #define SCHED_TIME(x) (((node_sched_params_ptr)(x)->aux.info)->time)
> +@@ -310,10 +315,10 @@
> + either a single (parallel) branch-on-count or a (non-parallel)
> + branch immediately preceded by a single (decrement) insn. */
> + first_insn_not_to_check = (GET_CODE (PATTERN (tail)) == PARALLEL ? tail
> +- : PREV_INSN (tail));
> ++ : prev_nondebug_insn (tail));
> +
> + for (insn = head; insn != first_insn_not_to_check; insn = NEXT_INSN (insn))
> +- if (reg_mentioned_p (reg, insn))
> ++ if (reg_mentioned_p (reg, insn) && NONDEBUG_INSN_P (insn))
> + {
> + if (dump_file)
> + {
> +@@ -332,6 +337,24 @@
> + #endif
> + }
> +
> ++/* Mark in DOLOOP_INSNS the instructions that belong to the do-loop part.
> ++ Use TAIL to recognize that part. */
> ++static void
> ++mark_doloop_insns (sbitmap doloop_insns, rtx tail)
> ++{
> ++ rtx first_insn_not_to_check, insn;
> ++
> ++ /* This is the first instruction which belongs the doloop part. */
> ++ first_insn_not_to_check = (GET_CODE (PATTERN (tail)) == PARALLEL ? tail
> ++ : prev_nondebug_insn (tail));
> ++
> ++ sbitmap_zero (doloop_insns);
> ++ for (insn = first_insn_not_to_check; insn != NEXT_INSN (tail);
> ++ insn = NEXT_INSN (insn))
> ++ if (NONDEBUG_INSN_P (insn))
> ++ SET_BIT (doloop_insns, INSN_UID (insn));
> ++}
> ++
> + /* Check if COUNT_REG is set to a constant in the PRE_HEADER block, so
> + that the number of iterations is a compile-time constant. If so,
> + return the rtx that sets COUNT_REG to a constant, and set COUNT to
> +@@ -569,13 +592,12 @@
> + }
> + }
> +
> +-/* Bump the SCHED_TIMEs of all nodes to start from zero. Set the values
> +- of SCHED_ROW and SCHED_STAGE. */
> ++/* Bump the SCHED_TIMEs of all nodes by AMOUNT. Set the values of
> ++ SCHED_ROW and SCHED_STAGE. */
> + static void
> +-normalize_sched_times (partial_schedule_ptr ps)
> ++reset_sched_times (partial_schedule_ptr ps, int amount)
> + {
> + int row;
> +- int amount = PS_MIN_CYCLE (ps);
> + int ii = ps->ii;
> + ps_insn_ptr crr_insn;
> +
> +@@ -584,6 +606,10 @@
> + {
> + ddg_node_ptr u = crr_insn->node;
> + int normalized_time = SCHED_TIME (u) - amount;
> ++ int new_min_cycle = PS_MIN_CYCLE (ps) - amount;
> ++ /* The first cycle in row zero after the rotation. */
> ++ int new_first_cycle_in_row_zero =
> ++ new_min_cycle + ii - SMODULO (new_min_cycle, ii);
> +
> + if (dump_file)
> + fprintf (dump_file, "crr_insn->node=%d, crr_insn->cycle=%d,\
> +@@ -592,8 +618,30 @@
> + gcc_assert (SCHED_TIME (u) >= ps->min_cycle);
> + gcc_assert (SCHED_TIME (u) <= ps->max_cycle);
> + SCHED_TIME (u) = normalized_time;
> +- SCHED_ROW (u) = normalized_time % ii;
> +- SCHED_STAGE (u) = normalized_time / ii;
> ++ crr_insn->cycle = normalized_time;
> ++ SCHED_ROW (u) = SMODULO (normalized_time, ii);
> ++
> ++ /* If min_cycle is in row zero after the rotation then
> ++ the stage count can be calculated by dividing the cycle
> ++ with ii. Otherwise, the calculation is done by dividing the
> ++ SMSed kernel into two intervals:
> ++
> ++ 1) min_cycle <= interval 0 < first_cycle_in_row_zero
> ++ 2) first_cycle_in_row_zero <= interval 1 < max_cycle
> ++
> ++ Cycles in interval 0 are in stage 0. The stage of cycles
> ++ in interval 1 should be added by 1 to take interval 0 into
> ++ account. */
> ++ if (SMODULO (new_min_cycle, ii) == 0)
> ++ SCHED_STAGE (u) = normalized_time / ii;
> ++ else
> ++ {
> ++ if (crr_insn->cycle < new_first_cycle_in_row_zero)
> ++ SCHED_STAGE (u) = 0;
> ++ else
> ++ SCHED_STAGE (u) =
> ++ ((SCHED_TIME (u) - new_first_cycle_in_row_zero) / ii) + 1;
> ++ }
> + }
> + }
> +
> +@@ -646,9 +694,12 @@
> +
> + /* Do not duplicate any insn which refers to count_reg as it
> + belongs to the control part.
> ++ If closing_branch_deps is true the closing branch is scheduled
> ++ as well and thus should be ignored.
> + TODO: This should be done by analyzing the control part of
> + the loop. */
> +- if (reg_mentioned_p (count_reg, u_node->insn))
> ++ if (reg_mentioned_p (count_reg, u_node->insn)
> ++ || JUMP_P (ps_ij->node->insn))
> + continue;
> +
> + if (for_prolog)
> +@@ -894,7 +945,8 @@
> + basic_block condition_bb = NULL;
> + edge latch_edge;
> + gcov_type trip_count = 0;
> +-
> ++ sbitmap doloop_insns;
> ++
> + loop_optimizer_init (LOOPS_HAVE_PREHEADERS
> + | LOOPS_HAVE_RECORDED_EXITS);
> + if (number_of_loops () <= 1)
> +@@ -919,6 +971,7 @@
> + setup_sched_infos ();
> + haifa_sched_init ();
> +
> ++ doloop_insns = sbitmap_alloc (get_max_uid () + 1);
> + /* Allocate memory to hold the DDG array one entry for each loop.
> + We use loop->num as index into this array. */
> + g_arr = XCNEWVEC (ddg_ptr, number_of_loops ());
> +@@ -1009,9 +1062,11 @@
> + continue;
> + }
> +
> +- /* Don't handle BBs with calls or barriers, or !single_set insns,
> +- or auto-increment insns (to avoid creating invalid reg-moves
> +- for the auto-increment insns).
> ++ /* Don't handle BBs with calls or barriers or auto-increment insns
> ++ (to avoid creating invalid reg-moves for the auto-increment insns),
> ++ or !single_set with the exception of instructions that include
> ++ count_reg---these instructions are part of the control part
> ++ that do-loop recognizes.
> + ??? Should handle auto-increment insns.
> + ??? Should handle insns defining subregs. */
> + for (insn = head; insn != NEXT_INSN (tail); insn = NEXT_INSN (insn))
> +@@ -1021,7 +1076,8 @@
> + if (CALL_P (insn)
> + || BARRIER_P (insn)
> + || (NONDEBUG_INSN_P (insn) && !JUMP_P (insn)
> +- && !single_set (insn) && GET_CODE (PATTERN (insn)) != USE)
> ++ && !single_set (insn) && GET_CODE (PATTERN (insn)) != USE
> ++ && !reg_mentioned_p (count_reg, insn))
> + || (FIND_REG_INC_NOTE (insn, NULL_RTX) != 0)
> + || (INSN_P (insn) && (set = single_set (insn))
> + && GET_CODE (SET_DEST (set)) == SUBREG))
> +@@ -1048,14 +1104,16 @@
> +
> + continue;
> + }
> +-
> +- if (! (g = create_ddg (bb, 0)))
> ++ mark_doloop_insns (doloop_insns, tail);
> ++ if (! (g = create_ddg (bb, doloop_insns)))
> + {
> + if (dump_file)
> + fprintf (dump_file, "SMS create_ddg failed\n");
> + continue;
> + }
> +-
> ++ if (dump_file)
> ++ fprintf (dump_file, "SMS closing_branch_deps: %d\n",
> ++ g->closing_branch_deps);
> + g_arr[loop->num] = g;
> + if (dump_file)
> + fprintf (dump_file, "...OK\n");
> +@@ -1157,11 +1215,13 @@
> +
> + ps = sms_schedule_by_order (g, mii, maxii, node_order);
> +
> +- if (ps){
> +- stage_count = PS_STAGE_COUNT (ps);
> +- gcc_assert(stage_count >= 1);
> +- }
> +-
> ++ if (ps)
> ++ {
> ++ stage_count = calculate_stage_count (ps);
> ++ gcc_assert(stage_count >= 1);
> ++ PS_STAGE_COUNT(ps) = stage_count;
> ++ }
> ++
> + /* Stage count of 1 means that there is no interleaving between
> + iterations, let the scheduling passes do the job. */
> + if (stage_count <= 1
> +@@ -1182,17 +1242,7 @@
> + else
> + {
> + struct undo_replace_buff_elem *reg_move_replaces;
> +-
> +- if (dump_file)
> +- {
> +- fprintf (dump_file,
> +- "SMS succeeded %d %d (with ii, sc)\n", ps->ii,
> +- stage_count);
> +- print_partial_schedule (ps, dump_file);
> +- fprintf (dump_file,
> +- "SMS Branch (%d) will later be scheduled at cycle %d.\n",
> +- g->closing_branch->cuid, PS_MIN_CYCLE (ps) - 1);
> +- }
> ++ int amount;
> +
> + /* Set the stage boundaries. If the DDG is built with closing_branch_deps,
> + the closing_branch was scheduled and should appear in the last (ii-1)
> +@@ -1202,12 +1252,28 @@
> + TODO: Revisit the issue of scheduling the insns of the
> + control part relative to the branch when the control part
> + has more than one insn. */
> +- normalize_sched_times (ps);
> +- rotate_partial_schedule (ps, PS_MIN_CYCLE (ps));
> ++ amount = (g->closing_branch_deps)? SCHED_TIME (g->closing_branch) + 1:
> ++ PS_MIN_CYCLE (ps);
> ++ reset_sched_times (ps, amount);
> ++ rotate_partial_schedule (ps, amount);
> ++
> + set_columns_for_ps (ps);
> +
> + canon_loop (loop);
> +
> ++ if (dump_file)
> ++ {
> ++ fprintf (dump_file,
> ++ "SMS succeeded %d %d (with ii, sc)\n", ps->ii,
> ++ stage_count);
> ++ print_partial_schedule (ps, dump_file);
> ++ if (!g->closing_branch_deps)
> ++ fprintf (dump_file,
> ++ "SMS Branch (%d) will later be scheduled at \
> ++ cycle %d.\n",
> ++ g->closing_branch->cuid, PS_MIN_CYCLE (ps) - 1);
> ++ }
> ++
> + /* case the BCT count is not known , Do loop-versioning */
> + if (count_reg && ! count_init)
> + {
> +@@ -1252,6 +1318,7 @@
> + }
> +
> + free (g_arr);
> ++ sbitmap_free (doloop_insns);
> +
> + /* Release scheduler data, needed until now because of DFA. */
> + haifa_sched_finish ();
> +@@ -1759,8 +1826,9 @@
> + RESET_BIT (tobe_scheduled, u);
> + continue;
> + }
> +-
> +- if (JUMP_P (insn)) /* Closing branch handled later. */
> ++ /* Closing branch handled later unless closing_branch_deps
> ++ is true. */
> ++ if (JUMP_P (insn) && !g->closing_branch_deps)
> + {
> + RESET_BIT (tobe_scheduled, u);
> + continue;
> +@@ -1893,8 +1961,8 @@
> + if (dump_file)
> + fprintf (dump_file, "split_row=%d\n", split_row);
> +
> +- normalize_sched_times (ps);
> +- rotate_partial_schedule (ps, ps->min_cycle);
> ++ reset_sched_times (ps, PS_MIN_CYCLE (ps));
> ++ rotate_partial_schedule (ps, PS_MIN_CYCLE (ps));
> +
> + rows_new = (ps_insn_ptr *) xcalloc (new_ii, sizeof (ps_insn_ptr));
> + for (row = 0; row < split_row; row++)
> +@@ -2571,6 +2639,7 @@
> + ps_insn_ptr next_ps_i;
> + ps_insn_ptr first_must_follow = NULL;
> + ps_insn_ptr last_must_precede = NULL;
> ++ ps_insn_ptr last_in_row = NULL;
> + int row;
> +
> + if (! ps_i)
> +@@ -2597,8 +2666,37 @@
> + else
> + last_must_precede = next_ps_i;
> + }
> ++ /* The closing branch must be the last in the row. */
> ++ if (must_precede
> ++ && TEST_BIT (must_precede, next_ps_i->node->cuid)
> ++ && JUMP_P (next_ps_i->node->insn))
> ++ return false;
> ++
> ++ last_in_row = next_ps_i;
> + }
> +
> ++ /* If closing_branch_deps is true we are scheduling the closing
> ++ branch as well. Make sure there is no dependent instruction after
> ++ it as the branch should be the last instruction. */
> ++ if (JUMP_P (ps_i->node->insn))
> ++ {
> ++ if (first_must_follow)
> ++ return false;
> ++ if (last_in_row)
> ++ {
> ++ /* Make the branch the last in the row. New instructions
> ++ will be inserted at the beginning of the row or after the
> ++ last must_precede instruction thus the branch is guaranteed
> ++ to remain the last instruction in the row. */
> ++ last_in_row->next_in_row = ps_i;
> ++ ps_i->prev_in_row = last_in_row;
> ++ ps_i->next_in_row = NULL;
> ++ }
> ++ else
> ++ ps->rows[row] = ps_i;
> ++ return true;
> ++ }
> ++
> + /* Now insert the node after INSERT_AFTER_PSI. */
> +
> + if (! last_must_precede)
> +@@ -2820,6 +2918,54 @@
> + return ps_i;
> + }
> +
> ++/* Calculate the stage count of the partial schedule PS. */
> ++int
> ++calculate_stage_count (partial_schedule_ptr ps)
> ++{
> ++ int stage_count;
> ++
> ++ /* If closing_branch_deps is false then the stage
> ++ boundaries are placed efficiently, meaning that min_cycle will be
> ++ placed at row 0. Otherwise, the closing branch will be placed in
> ++ row ii-1. For the later case we assume the final SMSed kernel can
> ++ be divided into two intervals. This assumption is used for the
> ++ stage count calculation:
> ++
> ++ 1) min_cycle <= interval 0 < first_cycle_in_row_zero
> ++ 2) first_cycle_in_row_zero <= interval 1 < max_cycle
> ++ */
> ++ stage_count =
> ++ CALC_STAGE_COUNT (PS_MIN_CYCLE (ps), PS_MAX_CYCLE (ps), ps->ii);
> ++ if (ps->g->closing_branch_deps)
> ++ {
> ++ int new_min_cycle;
> ++ int new_min_cycle_row;
> ++ int rotation_amount = SCHED_TIME (ps->g->closing_branch) + 1;
> ++
> ++ /* This is the new value of min_cycle after the final rotation to
> ++ bring closing branch into row ii-1. */
> ++ new_min_cycle = PS_MIN_CYCLE (ps) - rotation_amount;
> ++ /* This is the row which the the new min_cycle will be placed in. */
> ++ new_min_cycle_row = SMODULO (new_min_cycle, ps->ii);
> ++ /* If the row of min_cycle is zero then interval 0 is empty.
> ++ Otherwise, we need to calculate interval 1 and add it by one
> ++ to take interval 0 into account. */
> ++ if (new_min_cycle_row != 0)
> ++ {
> ++ int new_max_cycle, first_cycle_in_row_zero;
> ++
> ++ new_max_cycle = PS_MAX_CYCLE (ps) - rotation_amount;
> ++ first_cycle_in_row_zero =
> ++ new_min_cycle + ps->ii - new_min_cycle_row;
> ++
> ++ stage_count =
> ++ CALC_STAGE_COUNT (first_cycle_in_row_zero, new_max_cycle,
> ++ ps->ii) + 1;
> ++ }
> ++ }
> ++ return stage_count;
> ++}
> ++
> + /* Rotate the rows of PS such that insns scheduled at time
> + START_CYCLE will appear in row 0. Updates max/min_cycles. */
> + void
> +
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99498.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99498.patch
> new file mode 100644
> index 0000000..9c305cc
> --- /dev/null
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99498.patch
> @@ -0,0 +1,186 @@
> +2011-02-16 Nathan Sidwell <nathan@codesourcery.com>
> +
> + Issue #10439
> + gcc/
> + * config/arm/unwind-arm.c (enum __cxa_type_match_result): New.
> + (cxa_type_match): Correct declaration.
> + (__gnu_unwind_pr_common): Reconstruct
> + additional indirection when __cxa_type_match returns
> + succeeded_with_ptr_to_base.
> +
> + libstdc++/
> + * libsupc++/eh_arm.c (__cxa_type_match): Construct address of
> + thrown object here. Return succeded_with_ptr_to_base for all
> + pointer cases.
> +
> +=== modified file 'gcc/config/arm/unwind-arm.c'
> +--- old/gcc/config/arm/unwind-arm.c 2010-08-12 12:39:35 +0000
> ++++ new/gcc/config/arm/unwind-arm.c 2011-04-08 10:41:46 +0000
> +@@ -32,13 +32,18 @@
> + typedef unsigned char bool;
> +
> + typedef struct _ZSt9type_info type_info; /* This names C++ type_info type */
> ++enum __cxa_type_match_result
> ++ {
> ++ ctm_failed = 0,
> ++ ctm_succeeded = 1,
> ++ ctm_succeeded_with_ptr_to_base = 2
> ++ };
> +
> + void __attribute__((weak)) __cxa_call_unexpected(_Unwind_Control_Block *ucbp);
> + bool __attribute__((weak)) __cxa_begin_cleanup(_Unwind_Control_Block *ucbp);
> +-bool __attribute__((weak)) __cxa_type_match(_Unwind_Control_Block *ucbp,
> +- const type_info *rttip,
> +- bool is_reference,
> +- void **matched_object);
> ++enum __cxa_type_match_result __attribute__((weak)) __cxa_type_match
> ++ (_Unwind_Control_Block *ucbp, const type_info *rttip,
> ++ bool is_reference, void **matched_object);
> +
> + _Unwind_Ptr __attribute__((weak))
> + __gnu_Unwind_Find_exidx (_Unwind_Ptr, int *);
> +@@ -1107,6 +1112,7 @@
> + _uw rtti;
> + bool is_reference = (data[0] & uint32_highbit) != 0;
> + void *matched;
> ++ enum __cxa_type_match_result match_type;
> +
> + /* Check for no-throw areas. */
> + if (data[1] == (_uw) -2)
> +@@ -1118,17 +1124,31 @@
> + {
> + /* Match a catch specification. */
> + rtti = _Unwind_decode_target2 ((_uw) &data[1]);
> +- if (!__cxa_type_match (ucbp, (type_info *) rtti,
> +- is_reference,
> +- &matched))
> +- matched = (void *)0;
> ++ match_type = __cxa_type_match (ucbp,
> ++ (type_info *) rtti,
> ++ is_reference,
> ++ &matched);
> + }
> ++ else
> ++ match_type = ctm_succeeded;
> +
> +- if (matched)
> ++ if (match_type)
> + {
> + ucbp->barrier_cache.sp =
> + _Unwind_GetGR (context, R_SP);
> +- ucbp->barrier_cache.bitpattern[0] = (_uw) matched;
> ++ // ctm_succeeded_with_ptr_to_base really
> ++ // means _c_t_m indirected the pointer
> ++ // object. We have to reconstruct the
> ++ // additional pointer layer by using a temporary.
> ++ if (match_type == ctm_succeeded_with_ptr_to_base)
> ++ {
> ++ ucbp->barrier_cache.bitpattern[2]
> ++ = (_uw) matched;
> ++ ucbp->barrier_cache.bitpattern[0]
> ++ = (_uw) &ucbp->barrier_cache.bitpattern[2];
> ++ }
> ++ else
> ++ ucbp->barrier_cache.bitpattern[0] = (_uw) matched;
> + ucbp->barrier_cache.bitpattern[1] = (_uw) data;
> + return _URC_HANDLER_FOUND;
> + }
> +
> +=== modified file 'libstdc++-v3/libsupc++/eh_arm.cc'
> +--- old/libstdc++-v3/libsupc++/eh_arm.cc 2009-04-09 14:00:19 +0000
> ++++ new/libstdc++-v3/libsupc++/eh_arm.cc 2011-04-08 10:41:46 +0000
> +@@ -30,10 +30,11 @@
> + using namespace __cxxabiv1;
> +
> +
> +-// Given the thrown type THROW_TYPE, pointer to a variable containing a
> +-// pointer to the exception object THROWN_PTR_P and a type CATCH_TYPE to
> +-// compare against, return whether or not there is a match and if so,
> +-// update *THROWN_PTR_P.
> ++// Given the thrown type THROW_TYPE, exception object UE_HEADER and a
> ++// type CATCH_TYPE to compare against, return whether or not there is
> ++// a match and if so, update *THROWN_PTR_P to point to either the
> ++// type-matched object, or in the case of a pointer type, the object
> ++// pointed to by the pointer.
> +
> + extern "C" __cxa_type_match_result
> + __cxa_type_match(_Unwind_Exception* ue_header,
> +@@ -41,51 +42,51 @@
> + bool is_reference __attribute__((__unused__)),
> + void** thrown_ptr_p)
> + {
> +- bool forced_unwind = __is_gxx_forced_unwind_class(ue_header->exception_class);
> +- bool foreign_exception = !forced_unwind && !__is_gxx_exception_class(ue_header->exception_class);
> +- bool dependent_exception =
> +- __is_dependent_exception(ue_header->exception_class);
> ++ bool forced_unwind
> ++ = __is_gxx_forced_unwind_class(ue_header->exception_class);
> ++ bool foreign_exception
> ++ = !forced_unwind && !__is_gxx_exception_class(ue_header->exception_class);
> ++ bool dependent_exception
> ++ = __is_dependent_exception(ue_header->exception_class);
> + __cxa_exception* xh = __get_exception_header_from_ue(ue_header);
> + __cxa_dependent_exception *dx = __get_dependent_exception_from_ue(ue_header);
> + const std::type_info* throw_type;
> ++ void *thrown_ptr = 0;
> +
> + if (forced_unwind)
> + throw_type = &typeid(abi::__forced_unwind);
> + else if (foreign_exception)
> + throw_type = &typeid(abi::__foreign_exception);
> +- else if (dependent_exception)
> +- throw_type = __get_exception_header_from_obj
> +- (dx->primaryException)->exceptionType;
> + else
> +- throw_type = xh->exceptionType;
> +-
> +- void* thrown_ptr = *thrown_ptr_p;
> ++ {
> ++ if (dependent_exception)
> ++ xh = __get_exception_header_from_obj (dx->primaryException);
> ++ throw_type = xh->exceptionType;
> ++ // We used to require the caller set the target of thrown_ptr_p,
> ++ // but that's incorrect -- the EHABI makes no such requirement
> ++ // -- and not all callers will set it. Fortunately callers that
> ++ // do initialize will always pass us the value we calculate
> ++ // here, so there's no backwards compatibility problem.
> ++ thrown_ptr = __get_object_from_ue (ue_header);
> ++ }
> ++
> ++ __cxa_type_match_result result = ctm_succeeded;
> +
> + // Pointer types need to adjust the actual pointer, not
> + // the pointer to pointer that is the exception object.
> + // This also has the effect of passing pointer types
> + // "by value" through the __cxa_begin_catch return value.
> + if (throw_type->__is_pointer_p())
> +- thrown_ptr = *(void**) thrown_ptr;
> ++ {
> ++ thrown_ptr = *(void**) thrown_ptr;
> ++ // We need to indicate the indirection to our caller.
> ++ result = ctm_succeeded_with_ptr_to_base;
> ++ }
> +
> + if (catch_type->__do_catch(throw_type, &thrown_ptr, 1))
> + {
> + *thrown_ptr_p = thrown_ptr;
> +-
> +- if (typeid(*catch_type) == typeid (typeid(void*)))
> +- {
> +- const __pointer_type_info *catch_pointer_type =
> +- static_cast<const __pointer_type_info *> (catch_type);
> +- const __pointer_type_info *throw_pointer_type =
> +- static_cast<const __pointer_type_info *> (throw_type);
> +-
> +- if (typeid (*catch_pointer_type->__pointee) != typeid (void)
> +- && (*catch_pointer_type->__pointee !=
> +- *throw_pointer_type->__pointee))
> +- return ctm_succeeded_with_ptr_to_base;
> +- }
> +-
> +- return ctm_succeeded;
> ++ return result;
> + }
> +
> + return ctm_failed;
> +
> diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99502.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99502.patch
> new file mode 100644
> index 0000000..59bf01c
> --- /dev/null
> +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99502.patch
> @@ -0,0 +1,134 @@
> +2011-04-26 Chung-Lin Tang <cltang@codesourcery.com>
> +
> + Backport from mainline:
> +
> + 2011-03-21 Chung-Lin Tang <cltang@codesourcery.com>
> +
> + gcc/
> + * simplify-rtx.c (simplify_binary_operation_1): Handle
> + (xor (and A B) C) case when B and C are both constants.
> +
> + gcc/testsuite/
> + * gcc.target/arm/xor-and.c: New.
> +
> + 2011-03-18 Chung-Lin Tang <cltang@codesourcery.com>
> +
> + gcc/
> + * combine.c (try_combine): Do simplification only call of
> + subst() on i2 even when i1 is present. Update comments.
> +
> + gcc/testsuite/
> + * gcc.target/arm/unsigned-extend-1.c: New.
> +
> +=== modified file 'gcc/combine.c'
> +--- old/gcc/combine.c 2011-01-06 11:02:44 +0000
> ++++ new/gcc/combine.c 2011-04-14 13:58:12 +0000
> +@@ -2939,7 +2939,7 @@
> + /* It is possible that the source of I2 or I1 may be performing
> + an unneeded operation, such as a ZERO_EXTEND of something
> + that is known to have the high part zero. Handle that case
> +- by letting subst look at the innermost one of them.
> ++ by letting subst look at the inner insns.
> +
> + Another way to do this would be to have a function that tries
> + to simplify a single insn instead of merging two or more
> +@@ -2964,11 +2964,9 @@
> + subst_low_luid = DF_INSN_LUID (i1);
> + i1src = subst (i1src, pc_rtx, pc_rtx, 0, 0, 0);
> + }
> +- else
> +- {
> +- subst_low_luid = DF_INSN_LUID (i2);
> +- i2src = subst (i2src, pc_rtx, pc_rtx, 0, 0, 0);
> +- }
> ++
> ++ subst_low_luid = DF_INSN_LUID (i2);
> ++ i2src = subst (i2src, pc_rtx, pc_rtx, 0, 0, 0);
> + }
> +
> + n_occurrences = 0; /* `subst' counts here */
> +
> +=== modified file 'gcc/simplify-rtx.c'
> +--- old/gcc/simplify-rtx.c 2010-06-25 20:11:56 +0000
> ++++ new/gcc/simplify-rtx.c 2011-04-14 13:58:12 +0000
> +@@ -2413,6 +2413,46 @@
> + XEXP (op0, 1), mode),
> + op1);
> +
> ++ /* Given (xor (and A B) C), using P^Q == (~P&Q) | (~Q&P),
> ++ we can transform like this:
> ++ (A&B)^C == ~(A&B)&C | ~C&(A&B)
> ++ == (~A|~B)&C | ~C&(A&B) * DeMorgan's Law
> ++ == ~A&C | ~B&C | A&(~C&B) * Distribute and re-order
> ++ Attempt a few simplifications when B and C are both constants. */
> ++ if (GET_CODE (op0) == AND
> ++ && CONST_INT_P (op1)
> ++ && CONST_INT_P (XEXP (op0, 1)))
> ++ {
> ++ rtx a = XEXP (op0, 0);
> ++ rtx b = XEXP (op0, 1);
> ++ rtx c = op1;
> ++ HOST_WIDE_INT bval = INTVAL (b);
> ++ HOST_WIDE_INT cval = INTVAL (c);
> ++
> ++ rtx na_c
> ++ = simplify_binary_operation (AND, mode,
> ++ simplify_gen_unary (NOT, mode, a, mode),
> ++ c);
> ++ if ((~cval & bval) == 0)
> ++ {
> ++ /* Try to simplify ~A&C | ~B&C. */
> ++ if (na_c != NULL_RTX)
> ++ return simplify_gen_binary (IOR, mode, na_c,
> ++ GEN_INT (~bval & cval));
> ++ }
> ++ else
> ++ {
> ++ /* If ~A&C is zero, simplify A&(~C&B) | ~B&C. */
> ++ if (na_c == const0_rtx)
> ++ {
> ++ rtx a_nc_b = simplify_gen_binary (AND, mode, a,
> ++ GEN_INT (~cval & bval));
> ++ return simplify_gen_binary (IOR, mode, a_nc_b,
> ++ GEN_INT (~bval & cval));
> ++ }
> ++ }
> ++ }
> ++
> + /* (xor (comparison foo bar) (const_int 1)) can become the reversed
> + comparison if STORE_FLAG_VALUE is 1. */
> + if (STORE_FLAG_VALUE == 1
> +
> +=== added file 'gcc/testsuite/gcc.target/arm/unsigned-extend-1.c'
> +--- old/gcc/testsuite/gcc.target/arm/unsigned-extend-1.c 1970-01-01 00:00:00 +0000
> ++++ new/gcc/testsuite/gcc.target/arm/unsigned-extend-1.c 2011-04-14 13:58:12 +0000
> +@@ -0,0 +1,9 @@
> ++/* { dg-do compile } */
> ++/* { dg-options "-O2 -march=armv6" } */
> ++
> ++unsigned char foo (unsigned char c)
> ++{
> ++ return (c >= '0') && (c <= '9');
> ++}
> ++
> ++/* { dg-final { scan-assembler-not "uxtb" } } */
> +
> +=== added file 'gcc/testsuite/gcc.target/arm/xor-and.c'
> +--- old/gcc/testsuite/gcc.target/arm/xor-and.c 1970-01-01 00:00:00 +0000
> ++++ new/gcc/testsuite/gcc.target/arm/xor-and.c 2011-04-14 13:58:12 +0000
> +@@ -0,0 +1,14 @@
> ++/* { dg-do compile } */
> ++/* { dg-options "-O -march=armv6" } */
> ++
> ++unsigned short foo (unsigned short x)
> ++{
> ++ x ^= 0x4002;
> ++ x >>= 1;
> ++ x |= 0x8000;
> ++ return x;
> ++}
> ++
> ++/* { dg-final { scan-assembler "orr" } } */
> ++/* { dg-final { scan-assembler-not "mvn" } } */
> ++/* { dg-final { scan-assembler-not "uxth" } } */
> +
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next prev parent reply other threads:[~2011-04-30 19:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-30 19:26 [meta-oe][PATCH] gcc: Upgrade to 4.5.3 and bring in latest linaro updates raj.khem
2011-04-30 19:43 ` Koen Kooi [this message]
2011-04-30 19:49 ` Khem Raj
2011-05-02 8:57 ` [PATCH 1/2] gcc-4.5: drop comment from SRC_URI Martin Jansa
2011-05-02 8:57 ` [PATCH 2/2] gcc-4.5: add checksums Martin Jansa
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