From: Palmer Dabbelt <palmer@dabbelt.com>
To: monstr@monstr.eu, ralf@linux-mips.org, liqin.linux@gmail.com,
lennox.wu@gmail.com, ysato@users.sourceforge.jp, dalias@libc.org,
davem@davemloft.net, linux-mips@linux-mips.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
geert@linux-m68k.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Subject: [PATCH 4/7] score: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c
Date: Tue, 6 Jun 2017 12:10:20 -0700 [thread overview]
Message-ID: <20170606191023.24581-5-palmer@dabbelt.com> (raw)
In-Reply-To: <20170606191023.24581-1-palmer@dabbelt.com>
These files are functionally identical to the shared copies that I
recently added.
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
arch/score/Kconfig | 5 +++++
arch/score/lib/Makefile | 3 ---
arch/score/lib/ashldi3.c | 46 ----------------------------------------------
arch/score/lib/ashrdi3.c | 48 ------------------------------------------------
arch/score/lib/cmpdi2.c | 44 --------------------------------------------
arch/score/lib/libgcc.h | 37 -------------------------------------
arch/score/lib/lshrdi3.c | 47 -----------------------------------------------
arch/score/lib/ucmpdi2.c | 38 --------------------------------------
8 files changed, 5 insertions(+), 263 deletions(-)
delete mode 100644 arch/score/lib/ashldi3.c
delete mode 100644 arch/score/lib/ashrdi3.c
delete mode 100644 arch/score/lib/cmpdi2.c
delete mode 100644 arch/score/lib/libgcc.h
delete mode 100644 arch/score/lib/lshrdi3.c
delete mode 100644 arch/score/lib/ucmpdi2.c
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index 507d63181389..151ec2296d53 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -15,6 +15,11 @@ config SCORE
select MODULES_USE_ELF_REL
select CLONE_BACKWARDS
select CPU_NO_EFFICIENT_FFS
+ select GENERIC_ASHLDI3
+ select GENERIC_ASHRDI3
+ select GENERIC_CMPDI2
+ select GENERIC_LSHRDI3
+ select GENERIC_UCMPDI2
choice
prompt "System type"
diff --git a/arch/score/lib/Makefile b/arch/score/lib/Makefile
index 553e30e81faf..ea3f3aba8c71 100644
--- a/arch/score/lib/Makefile
+++ b/arch/score/lib/Makefile
@@ -3,6 +3,3 @@
#
lib-y += string.o checksum.o checksum_copy.o
-
-# libgcc-style stuff needed in the kernel
-obj-y += ashldi3.o ashrdi3.o cmpdi2.o lshrdi3.o ucmpdi2.o
diff --git a/arch/score/lib/ashldi3.c b/arch/score/lib/ashldi3.c
deleted file mode 100644
index 15691a910431..000000000000
--- a/arch/score/lib/ashldi3.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * arch/score/lib/ashldi3.c
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/module.h>
-#include "libgcc.h"
-
-long long __ashldi3(long long u, word_type b)
-{
- DWunion uu, w;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
- bm = 32 - b;
-
- if (bm <= 0) {
- w.s.low = 0;
- w.s.high = (unsigned int) uu.s.low << -bm;
- } else {
- const unsigned int carries = (unsigned int) uu.s.low >> bm;
-
- w.s.low = (unsigned int) uu.s.low << b;
- w.s.high = ((unsigned int) uu.s.high << b) | carries;
- }
-
- return w.ll;
-}
-EXPORT_SYMBOL(__ashldi3);
diff --git a/arch/score/lib/ashrdi3.c b/arch/score/lib/ashrdi3.c
deleted file mode 100644
index d9814a5d8d30..000000000000
--- a/arch/score/lib/ashrdi3.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * arch/score/lib/ashrdi3.c
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/module.h>
-#include "libgcc.h"
-
-long long __ashrdi3(long long u, word_type b)
-{
- DWunion uu, w;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
- bm = 32 - b;
-
- if (bm <= 0) {
- /* w.s.high = 1..1 or 0..0 */
- w.s.high =
- uu.s.high >> 31;
- w.s.low = uu.s.high >> -bm;
- } else {
- const unsigned int carries = (unsigned int) uu.s.high << bm;
-
- w.s.high = uu.s.high >> b;
- w.s.low = ((unsigned int) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
-EXPORT_SYMBOL(__ashrdi3);
diff --git a/arch/score/lib/cmpdi2.c b/arch/score/lib/cmpdi2.c
deleted file mode 100644
index 1ed5290c66ed..000000000000
--- a/arch/score/lib/cmpdi2.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * arch/score/lib/cmpdi2.c
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/module.h>
-#include "libgcc.h"
-
-word_type __cmpdi2(long long a, long long b)
-{
- const DWunion au = {
- .ll = a
- };
- const DWunion bu = {
- .ll = b
- };
-
- if (au.s.high < bu.s.high)
- return 0;
- else if (au.s.high > bu.s.high)
- return 2;
-
- if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
- return 0;
- else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
- return 2;
-
- return 1;
-}
-EXPORT_SYMBOL(__cmpdi2);
diff --git a/arch/score/lib/libgcc.h b/arch/score/lib/libgcc.h
deleted file mode 100644
index 0f12543d9f31..000000000000
--- a/arch/score/lib/libgcc.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * arch/score/lib/libgcc.h
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-
-#ifndef __ASM_LIBGCC_H
-#define __ASM_LIBGCC_H
-
-#include <asm/byteorder.h>
-
-typedef int word_type __attribute__((mode(__word__)));
-
-struct DWstruct {
- int low, high;
-};
-
-typedef union {
- struct DWstruct s;
- long long ll;
-} DWunion;
-
-#endif /* __ASM_LIBGCC_H */
diff --git a/arch/score/lib/lshrdi3.c b/arch/score/lib/lshrdi3.c
deleted file mode 100644
index ce21175fd791..000000000000
--- a/arch/score/lib/lshrdi3.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * arch/score/lib/lshrdi3.c
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-
-#include <linux/module.h>
-#include "libgcc.h"
-
-long long __lshrdi3(long long u, word_type b)
-{
- DWunion uu, w;
- word_type bm;
-
- if (b == 0)
- return u;
-
- uu.ll = u;
- bm = 32 - b;
-
- if (bm <= 0) {
- w.s.high = 0;
- w.s.low = (unsigned int) uu.s.high >> -bm;
- } else {
- const unsigned int carries = (unsigned int) uu.s.high << bm;
-
- w.s.high = (unsigned int) uu.s.high >> b;
- w.s.low = ((unsigned int) uu.s.low >> b) | carries;
- }
-
- return w.ll;
-}
-EXPORT_SYMBOL(__lshrdi3);
diff --git a/arch/score/lib/ucmpdi2.c b/arch/score/lib/ucmpdi2.c
deleted file mode 100644
index b15241e0b079..000000000000
--- a/arch/score/lib/ucmpdi2.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * arch/score/lib/ucmpdi2.c
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <linux/module.h>
-#include "libgcc.h"
-
-word_type __ucmpdi2(unsigned long long a, unsigned long long b)
-{
- const DWunion au = {.ll = a};
- const DWunion bu = {.ll = b};
-
- if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
- return 0;
- else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
- return 2;
- if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
- return 0;
- else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
- return 2;
- return 1;
-}
-EXPORT_SYMBOL(__ucmpdi2);
--
2.13.0
next prev parent reply other threads:[~2017-06-06 19:10 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 22:05 Unify the various copies of libgcc into lib Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` [PATCH 1/7] lib: Add shared copies of some GCC library routines Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-24 8:52 ` Matt Redfearn
2017-05-24 8:52 ` Matt Redfearn
2017-06-03 2:18 ` Palmer Dabbelt
2017-06-03 2:18 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` [PATCH 2/7] m32r: Use lib/ucmpdi2.c Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` [PATCH 3/7] microblaze: Use libgcc files from lib/ Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-24 11:22 ` kbuild test robot
2017-05-24 11:22 ` kbuild test robot
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` [PATCH 4/7] mips: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-24 9:01 ` Matt Redfearn
2017-05-24 9:01 ` Matt Redfearn
2017-06-03 2:18 ` Palmer Dabbelt
2017-05-24 11:39 ` kbuild test robot
2017-05-24 11:39 ` kbuild test robot
2017-05-24 11:50 ` kbuild test robot
2017-05-24 11:50 ` kbuild test robot
2017-05-23 22:05 ` [PATCH 5/7] score: " Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` [PATCH 6/7] sh: Use lib/ashldi3,ashrdi3,lshrdi3}.c Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-24 11:22 ` kbuild test robot
2017-05-24 11:22 ` kbuild test robot
2017-05-24 11:30 ` kbuild test robot
2017-05-24 11:30 ` kbuild test robot
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` [PATCH 7/7] sparc: Use lib/{cmpdi2,ucmpdi2}.c Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-23 22:05 ` Palmer Dabbelt
2017-05-24 9:21 ` Unify the various copies of libgcc into lib Geert Uytterhoeven
2017-05-24 9:21 ` Geert Uytterhoeven
2017-06-03 2:59 ` Palmer Dabbelt
2017-06-03 2:59 ` Palmer Dabbelt
2017-05-24 13:49 ` David Howells
2017-05-24 13:49 ` David Howells
2017-05-24 13:59 ` John Paul Adrian Glaubitz
2017-05-24 13:59 ` John Paul Adrian Glaubitz
2017-06-06 19:10 ` Unify the various copies of libgcc into lib v2 Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 1/7] lib: Add shared copies of some GCC library routines Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 2/7] m32r: Use lib/ucmpdi2.c Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 3/7] microblaze: Use libgcc files from lib/ Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 4/7] score: Use lib/{ashldi3,ashrdi3,cmpdi2,lshrdi3,ucmpdi2}.c Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt [this message]
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 5/7] sh: Use lib/ashldi3,ashrdi3,lshrdi3}.c Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-07 19:27 ` kbuild test robot
2017-06-07 19:27 ` kbuild test robot
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 6/7] sparc: Use lib/{cmpdi2,ucmpdi2}.c Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` [PATCH 7/7] MIPS: Use generic libgcc intrinsics Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-09 19:53 ` Ralf Baechle
2017-06-09 19:53 ` Ralf Baechle
2017-06-06 19:10 ` Palmer Dabbelt
2017-06-06 19:10 ` Unify the various copies of libgcc into lib v2 Palmer Dabbelt
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