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volatiles fix

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This commit is contained in:
Dave Murphy 2012-04-26 15:07:14 +01:00
parent b9ea67e435
commit d98429e0fa
1 changed files with 28 additions and 17 deletions
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45
dkarm-eabi/patches/gcc-4.7.0.patch
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@ -1,6 +1,6 @@
diff -Nbaur gcc-4.7.0/gcc/config/arm/t-arm-elf gcc-4.7.0-arm/gcc/config/arm/t-arm-elf
--- gcc-4.7.0/gcc/config/arm/t-arm-elf 2011-11-02 15:23:48.000000000 +0000
+++ gcc-4.7.0-arm/gcc/config/arm/t-arm-elf 2012-04-05 20:36:17.000000000 +0100
+++ gcc-4.7.0-arm/gcc/config/arm/t-arm-elf 2012-04-26 14:09:06.000000000 +0100
@@ -26,22 +26,44 @@
#MULTILIB_DIRNAMES += fa526 fa626 fa606te fa626te fmp626 fa726te
#MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=fa526 *mthumb*/*mcpu=fa626
@ -73,7 +73,7 @@ diff -Nbaur gcc-4.7.0/gcc/config/arm/t-arm-elf gcc-4.7.0-arm/gcc/config/arm/t-ar
# MULTILIB_DIRNAMES += fpu soft
diff -Nbaur gcc-4.7.0/gcc/config/arm/unknown-elf.h gcc-4.7.0-arm/gcc/config/arm/unknown-elf.h
--- gcc-4.7.0/gcc/config/arm/unknown-elf.h 2011-03-31 13:13:13.000000000 +0100
+++ gcc-4.7.0-arm/gcc/config/arm/unknown-elf.h 2012-04-05 20:36:17.000000000 +0100
+++ gcc-4.7.0-arm/gcc/config/arm/unknown-elf.h 2012-04-26 14:09:07.000000000 +0100
@@ -94,4 +94,4 @@
udivmoddi4, which will depend on the exception unwind routines,
which will depend on abort, which is defined in libc. */
@ -82,7 +82,7 @@ diff -Nbaur gcc-4.7.0/gcc/config/arm/unknown-elf.h gcc-4.7.0-arm/gcc/config/arm/
+#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L %(libgloss) --end-group"
diff -Nbaur gcc-4.7.0/gcc/gcc.c gcc-4.7.0-arm/gcc/gcc.c
--- gcc-4.7.0/gcc/gcc.c 2012-02-28 17:31:38.000000000 +0000
+++ gcc-4.7.0-arm/gcc/gcc.c 2012-04-05 20:36:17.000000000 +0100
+++ gcc-4.7.0-arm/gcc/gcc.c 2012-04-26 14:09:07.000000000 +0100
@@ -548,6 +548,11 @@
#endif
#endif
@ -111,9 +111,20 @@ diff -Nbaur gcc-4.7.0/gcc/gcc.c gcc-4.7.0-arm/gcc/gcc.c
INIT_STATIC_SPEC ("startfile", &startfile_spec),
INIT_STATIC_SPEC ("cross_compile", &cross_compile),
INIT_STATIC_SPEC ("version", &compiler_version),
diff -Nbaur gcc-4.7.0/gcc/tree-ssa-pre.c gcc-4.7.0-arm/gcc/tree-ssa-pre.c
--- gcc-4.7.0/gcc/tree-ssa-pre.c 2012-02-15 00:10:00.000000000 +0000
+++ gcc-4.7.0-arm/gcc/tree-ssa-pre.c 2012-04-26 14:09:43.000000000 +0100
@@ -4337,6 +4337,7 @@
has the same value number as its rhs. If so, the store is
dead. */
else if (gimple_assign_single_p (stmt)
+ && !gimple_has_volatile_ops (stmt)
&& !is_gimple_reg (gimple_assign_lhs (stmt))
&& (TREE_CODE (rhs) == SSA_NAME
|| is_gimple_min_invariant (rhs)))
diff -Nbaur gcc-4.7.0/libcpp/Makefile.in gcc-4.7.0-arm/libcpp/Makefile.in
--- gcc-4.7.0/libcpp/Makefile.in 2012-03-22 07:37:39.000000000 +0000
+++ gcc-4.7.0-arm/libcpp/Makefile.in 2012-04-05 20:36:17.000000000 +0100
+++ gcc-4.7.0-arm/libcpp/Makefile.in 2012-04-26 14:09:08.000000000 +0100
@@ -214,8 +214,7 @@
# Note that we put the dependencies into a .Tpo file, then move them
# into place if the compile succeeds. We need this because gcc does
@ -124,21 +135,9 @@ diff -Nbaur gcc-4.7.0/libcpp/Makefile.in gcc-4.7.0-arm/libcpp/Makefile.in
else
COMPILE = source='$<' object='$@' libtool=no DEPDIR=$(DEPDIR) $(DEPMODE) \
$(depcomp) $(COMPILE.base)
diff -Nbaur gcc-4.7.0/libgcc/crtstuff.c gcc-4.7.0-arm/libgcc/crtstuff.c
--- gcc-4.7.0/libgcc/crtstuff.c 2011-12-06 21:35:41.000000000 +0000
+++ gcc-4.7.0-arm/libgcc/crtstuff.c 2012-04-05 20:36:50.000000000 +0100
@@ -49,7 +49,7 @@
/* Target machine header files require this define. */
#define IN_LIBGCC2
-
+#define USED_FOR_TARGET
/* FIXME: Including auto-host is incorrect, but until we have
identified the set of defines that need to go into auto-target.h,
this will have to do. */
diff -Nbaur gcc-4.7.0/libgcc/Makefile.in gcc-4.7.0-arm/libgcc/Makefile.in
--- gcc-4.7.0/libgcc/Makefile.in 2011-11-22 03:01:02.000000000 +0000
+++ gcc-4.7.0-arm/libgcc/Makefile.in 2012-04-05 20:36:17.000000000 +0100
+++ gcc-4.7.0-arm/libgcc/Makefile.in 2012-04-26 14:09:09.000000000 +0100
@@ -500,14 +500,14 @@
lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS))
$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c
@ -165,3 +164,15 @@ diff -Nbaur gcc-4.7.0/libgcc/Makefile.in gcc-4.7.0-arm/libgcc/Makefile.in
ifeq ($(enable_shared),yes)
diff -Nbaur gcc-4.7.0/libgcc/crtstuff.c gcc-4.7.0-arm/libgcc/crtstuff.c
--- gcc-4.7.0/libgcc/crtstuff.c 2011-12-06 21:35:41.000000000 +0000
+++ gcc-4.7.0-arm/libgcc/crtstuff.c 2012-04-26 14:09:08.000000000 +0100
@@ -49,7 +49,7 @@
/* Target machine header files require this define. */
#define IN_LIBGCC2
-
+#define USED_FOR_TARGET
/* FIXME: Including auto-host is incorrect, but until we have
identified the set of defines that need to go into auto-target.h,
this will have to do. */