All of lore.kernel.org
 help / color / mirror / Atom feed
From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] Compile fixes for newer gcc
Date: Mon, 9 May 2005 02:49:52 +0100	[thread overview]
Message-ID: <200505090249.52556.paul@codesourcery.com> (raw)

[-- Attachment #1: Type: text/plain, Size: 217 bytes --]

The attached patch fixes some trivial build problems with newer gcc on amd64.
It adds FORCE_RET on load ops, and introduces helper functions for floating 
point negation (these require a literal constant load).

Paul

[-- Attachment #2: patch.qemu_force_ret --]
[-- Type: text/x-diff, Size: 12232 bytes --]

Index: target-i386/op.c
===================================================================
RCS file: /cvsroot/qemu/qemu/target-i386/op.c,v
retrieving revision 1.37
diff -u -p -r1.37 op.c
--- target-i386/op.c	26 Apr 2005 20:38:17 -0000	1.37
+++ target-i386/op.c	9 May 2005 01:33:04 -0000
@@ -1008,6 +1008,7 @@ void OPPROTO op_aaa(void)
     }
     EAX = (EAX & ~0xffff) | al | (ah << 8);
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 void OPPROTO op_aas(void)
@@ -1032,6 +1033,7 @@ void OPPROTO op_aas(void)
     }
     EAX = (EAX & ~0xffff) | al | (ah << 8);
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 void OPPROTO op_daa(void)
@@ -1059,6 +1061,7 @@ void OPPROTO op_daa(void)
     eflags |= parity_table[al]; /* pf */
     eflags |= (al & 0x80); /* sf */
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 void OPPROTO op_das(void)
@@ -1089,6 +1092,7 @@ void OPPROTO op_das(void)
     eflags |= parity_table[al]; /* pf */
     eflags |= (al & 0x80); /* sf */
     CC_SRC = eflags;
+    FORCE_RET();
 }
 
 /* segment handling */
@@ -1608,6 +1612,7 @@ void OPPROTO op_flds_FT0_A0(void)
 #else
     FT0 = ldfl(A0);
 #endif
+    FORCE_RET();
 }
 
 void OPPROTO op_fldl_FT0_A0(void)
@@ -1618,6 +1623,7 @@ void OPPROTO op_fldl_FT0_A0(void)
 #else
     FT0 = ldfq(A0);
 #endif
+    FORCE_RET();
 }
 
 /* helpers are needed to avoid static constant reference. XXX: find a better way */
@@ -1663,6 +1669,7 @@ void OPPROTO op_fild_FT0_A0(void)
 #else
     FT0 = (CPU86_LDouble)ldsw(A0);
 #endif
+    FORCE_RET();
 }
 
 void OPPROTO op_fildl_FT0_A0(void)
@@ -1673,6 +1680,7 @@ void OPPROTO op_fildl_FT0_A0(void)
 #else
     FT0 = (CPU86_LDouble)((int32_t)ldl(A0));
 #endif
+    FORCE_RET();
 }
 
 void OPPROTO op_fildll_FT0_A0(void)
@@ -1683,6 +1691,7 @@ void OPPROTO op_fildll_FT0_A0(void)
 #else
     FT0 = (CPU86_LDouble)((int64_t)ldq(A0));
 #endif
+    FORCE_RET();
 }
 #endif
 
@@ -2229,6 +2238,7 @@ void OPPROTO op_fldcw_A0(void)
 {
     env->fpuc = lduw(A0);
     update_fp_status();
+    FORCE_RET();
 }
 
 void OPPROTO op_fclex(void)
Index: target-i386/ops_mem.h
===================================================================
RCS file: /cvsroot/qemu/qemu/target-i386/ops_mem.h,v
retrieving revision 1.6
diff -u -p -r1.6 ops_mem.h
--- target-i386/ops_mem.h	13 Mar 2005 09:52:09 -0000	1.6
+++ target-i386/ops_mem.h	9 May 2005 01:33:04 -0000
@@ -1,51 +1,61 @@
 void OPPROTO glue(glue(op_ldub, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = glue(ldub, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldsb, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = glue(ldsb, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_lduw, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = glue(lduw, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldsw, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = glue(ldsw, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldl, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = (uint32_t)glue(ldl, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldub, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = glue(ldub, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldsb, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = glue(ldsb, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_lduw, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = glue(lduw, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldsw, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = glue(ldsw, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldl, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = glue(ldl, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_stb, MEMSUFFIX), _T0_A0)(void)
@@ -92,6 +102,7 @@ void OPPROTO glue(glue(op_ldq, MEMSUFFIX
     uint64_t *p;
     p = (uint64_t *)((char *)env + PARAM1);
     *p = glue(ldq, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_stq, MEMSUFFIX), _env_A0)(void)
@@ -108,6 +119,7 @@ void OPPROTO glue(glue(op_ldo, MEMSUFFIX
     p = (XMMReg *)((char *)env + PARAM1);
     p->XMM_Q(0) = glue(ldq, MEMSUFFIX)(A0);
     p->XMM_Q(1) = glue(ldq, MEMSUFFIX)(A0 + 8);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_sto, MEMSUFFIX), _env_A0)(void)
@@ -123,21 +135,25 @@ void OPPROTO glue(glue(op_sto, MEMSUFFIX
 void OPPROTO glue(glue(op_ldsl, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = (int32_t)glue(ldl, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldsl, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = (int32_t)glue(ldl, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldq, MEMSUFFIX), _T0_A0)(void)
 {
     T0 = glue(ldq, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_ldq, MEMSUFFIX), _T1_A0)(void)
 {
     T1 = glue(ldq, MEMSUFFIX)(A0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_stq, MEMSUFFIX), _T0_A0)(void)
Index: target-i386/ops_template_mem.h
===================================================================
RCS file: /cvsroot/qemu/qemu/target-i386/ops_template_mem.h,v
retrieving revision 1.5
diff -u -p -r1.5 ops_template_mem.h
--- target-i386/ops_template_mem.h	3 Mar 2005 01:14:55 -0000	1.5
+++ target-i386/ops_template_mem.h	9 May 2005 01:33:04 -0000
@@ -284,6 +284,7 @@ void OPPROTO glue(glue(op_shld, MEM_SUFF
 #endif
     CC_SRC = tmp;
     CC_DST = T0;
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
@@ -326,6 +327,7 @@ void OPPROTO glue(glue(op_shrd, MEM_SUFF
 #endif
     CC_SRC = tmp;
     CC_DST = T0;
+    FORCE_RET();
 }
 
 
@@ -369,6 +371,7 @@ void OPPROTO glue(glue(op_shld, MEM_SUFF
 #endif
     CC_SRC = tmp;
     CC_DST = T0;
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_shld, MEM_SUFFIX), _T0_T1_ECX_cc)(void)
@@ -407,6 +410,7 @@ void OPPROTO glue(glue(op_shrd, MEM_SUFF
 #endif
     CC_SRC = tmp;
     CC_DST = T0;
+    FORCE_RET();
 }
 
 
@@ -445,6 +449,7 @@ void OPPROTO glue(glue(op_adc, MEM_SUFFI
     CC_SRC = T1;
     CC_DST = T0;
     CC_OP = CC_OP_ADDB + SHIFT + cf * 4;
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_sbb, MEM_SUFFIX), _T0_T1_cc)(void)
@@ -458,6 +463,7 @@ void OPPROTO glue(glue(op_sbb, MEM_SUFFI
     CC_SRC = T1;
     CC_DST = T0;
     CC_OP = CC_OP_SUBB + SHIFT + cf * 4;
+    FORCE_RET();
 }
 
 void OPPROTO glue(glue(op_cmpxchg, MEM_SUFFIX), _T0_T1_EAX_cc)(void)
Index: target-ppc/exec.h
===================================================================
RCS file: /cvsroot/qemu/qemu/target-ppc/exec.h,v
retrieving revision 1.10
diff -u -p -r1.10 exec.h
--- target-ppc/exec.h	13 Mar 2005 17:01:22 -0000	1.10
+++ target-ppc/exec.h	9 May 2005 01:33:04 -0000
@@ -33,11 +33,7 @@ register uint32_t T2 asm(AREG3);
 #define FT1 (env->ft1)
 #define FT2 (env->ft2)
 
-#if defined (DEBUG_OP)
-#define RETURN() __asm__ __volatile__("nop");
-#else
-#define RETURN() __asm__ __volatile__("");
-#endif
+#define RETURN() FORCE_RET()
 
 #include "cpu.h"
 #include "exec-all.h"
Index: target-ppc/op.c
===================================================================
RCS file: /cvsroot/qemu/qemu/target-ppc/op.c,v
retrieving revision 1.16
diff -u -p -r1.16 op.c
--- target-ppc/op.c	13 Mar 2005 17:01:22 -0000	1.16
+++ target-ppc/op.c	9 May 2005 01:33:04 -0000
@@ -489,11 +489,13 @@ PPC_OP(test_ctr)
 PPC_OP(test_ctr_true)
 {
     T0 = (regs->ctr != 0 && (T0 & PARAM(1)) != 0);
+    FORCE_RET();
 }
 
 PPC_OP(test_ctr_false)
 {
     T0 = (regs->ctr != 0 && (T0 & PARAM(1)) == 0);
+    FORCE_RET();
 }
 
 PPC_OP(test_ctrz)
@@ -504,11 +506,13 @@ PPC_OP(test_ctrz)
 PPC_OP(test_ctrz_true)
 {
     T0 = (regs->ctr == 0 && (T0 & PARAM(1)) != 0);
+    FORCE_RET();
 }
 
 PPC_OP(test_ctrz_false)
 {
     T0 = (regs->ctr == 0 && (T0 & PARAM(1)) == 0);
+    FORCE_RET();
 }
 
 PPC_OP(test_true)
@@ -1335,9 +1339,10 @@ PPC_OP(fnabs)
 }
 
 /* fneg */
+void do_fneg (void);
 PPC_OP(fneg)
 {
-    FT0 = -FT0;
+    do_fneg();
     RETURN();
 }
 
Index: target-ppc/op_helper.c
===================================================================
RCS file: /cvsroot/qemu/qemu/target-ppc/op_helper.c,v
retrieving revision 1.12
diff -u -p -r1.12 op_helper.c
--- target-ppc/op_helper.c	13 Mar 2005 17:01:22 -0000	1.12
+++ target-ppc/op_helper.c	9 May 2005 01:33:04 -0000
@@ -428,6 +428,11 @@ void do_fnabs (void)
     FT0 = p.d;
 }
 
+void do_fneg (void)
+{
+    FT0 = -FT0;
+}
+
 /* Instruction cache invalidation helper */
 #define ICACHE_LINE_SIZE 32
 
Index: target-sparc/exec.h
===================================================================
RCS file: /cvsroot/qemu/qemu/target-sparc/exec.h,v
retrieving revision 1.10
diff -u -p -r1.10 exec.h
--- target-sparc/exec.h	13 Feb 2005 19:02:42 -0000	1.10
+++ target-sparc/exec.h	9 May 2005 01:33:04 -0000
@@ -34,6 +34,7 @@ void set_cwp(int new_cwp);
 void do_fitos(void);
 void do_fitod(void);
 void do_fabss(void);
+void do_fnegs(void);
 void do_fsqrts(void);
 void do_fsqrtd(void);
 void do_fcmps(void);
Index: target-sparc/op.c
===================================================================
RCS file: /cvsroot/qemu/qemu/target-sparc/op.c,v
retrieving revision 1.15
diff -u -p -r1.15 op.c
--- target-sparc/op.c	13 Mar 2005 09:55:49 -0000	1.15
+++ target-sparc/op.c	9 May 2005 01:33:04 -0000
@@ -871,7 +871,7 @@ void OPPROTO op_flush_T0(void)
 
 void OPPROTO op_fnegs(void)
 {
-    FT0 = -FT1;
+    do_fnegs();
 }
 
 void OPPROTO op_fabss(void)
Index: target-sparc/op_helper.c
===================================================================
RCS file: /cvsroot/qemu/qemu/target-sparc/op_helper.c,v
retrieving revision 1.12
diff -u -p -r1.12 op_helper.c
--- target-sparc/op_helper.c	6 Apr 2005 20:44:48 -0000	1.12
+++ target-sparc/op_helper.c	9 May 2005 01:33:04 -0000
@@ -25,6 +25,11 @@ void do_fabss(void)
     FT0 = float32_abs(FT1);
 }
 
+void do_fnegs(void)
+{
+    FT0 = float32_chs(FT1);
+}
+
 void do_fsqrts(void)
 {
     FT0 = float32_sqrt(FT1, &env->fp_status);
Index: target-sparc/op_mem.h
===================================================================
RCS file: /cvsroot/qemu/qemu/target-sparc/op_mem.h,v
retrieving revision 1.5
diff -u -p -r1.5 op_mem.h
--- target-sparc/op_mem.h	30 Jan 2005 22:39:04 -0000	1.5
+++ target-sparc/op_mem.h	9 May 2005 01:33:04 -0000
@@ -3,12 +3,14 @@
 void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                           \
 {                                                                             \
     T1 = glue(qp, MEMSUFFIX)(T0);                                     \
+    FORCE_RET();                                                              \
 }
 
 #define SPARC_ST_OP(name, op)                                                 \
 void OPPROTO glue(glue(op_, name), MEMSUFFIX)(void)                           \
 {                                                                             \
     glue(op, MEMSUFFIX)(T0, T1);                                      \
+    FORCE_RET()                                                               \
 }
 
 SPARC_LD_OP(ld, ldl);
@@ -26,12 +28,14 @@ void OPPROTO glue(op_std, MEMSUFFIX)(voi
 {
     glue(stl, MEMSUFFIX)(T0, T1);
     glue(stl, MEMSUFFIX)((T0 + 4), T2);
+    FORCE_RET();
 }
 
 void OPPROTO glue(op_ldstub, MEMSUFFIX)(void)
 {
     T1 = glue(ldub, MEMSUFFIX)(T0);
     glue(stb, MEMSUFFIX)(T0, 0xff);     /* XXX: Should be Atomically */
+    FORCE_RET();
 }
 
 void OPPROTO glue(op_swap, MEMSUFFIX)(void)
@@ -39,33 +43,39 @@ void OPPROTO glue(op_swap, MEMSUFFIX)(vo
     target_ulong tmp = glue(ldl, MEMSUFFIX)(T0);
     glue(stl, MEMSUFFIX)(T0, T1);       /* XXX: Should be Atomically */
     T1 = tmp;
+    FORCE_RET();
 }
 
 void OPPROTO glue(op_ldd, MEMSUFFIX)(void)
 {
     T1 = glue(ldl, MEMSUFFIX)(T0);
     T0 = glue(ldl, MEMSUFFIX)((T0 + 4));
+    FORCE_RET();
 }
 
 /***                         Floating-point store                          ***/
 void OPPROTO glue(op_stf, MEMSUFFIX) (void)
 {
     glue(stfl, MEMSUFFIX)(T0, FT0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(op_stdf, MEMSUFFIX) (void)
 {
     glue(stfq, MEMSUFFIX)(T0, DT0);
+    FORCE_RET();
 }
 
 /***                         Floating-point load                           ***/
 void OPPROTO glue(op_ldf, MEMSUFFIX) (void)
 {
     FT0 = glue(ldfl, MEMSUFFIX)(T0);
+    FORCE_RET();
 }
 
 void OPPROTO glue(op_lddf, MEMSUFFIX) (void)
 {
     DT0 = glue(ldfq, MEMSUFFIX)(T0);
+    FORCE_RET();
 }
 #undef MEMSUFFIX

             reply	other threads:[~2005-05-09  2:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-09  1:49 Paul Brook [this message]
2005-05-10 20:47 ` [Qemu-devel] Compile fixes for newer gcc J. Mayer
2005-05-10 21:10   ` Paul Brook
2005-05-11 21:20     ` J. Mayer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200505090249.52556.paul@codesourcery.com \
    --to=paul@codesourcery.com \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.