diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99483.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99483.patch | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99483.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99483.patch deleted file mode 100644 index c0be4a03b1..0000000000 --- a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99483.patch +++ /dev/null @@ -1,63 +0,0 @@ -2011-02-11 Richard Sandiford <richard.sandiford@linaro.org> - - gcc/ - * cse.c (count_reg_usage): Check side_effects_p. Remove the - separate check for volatile asms. - - gcc/testsuite/ - * gcc.dg/torture/volatile-pic-1.c: New test. - -=== modified file 'gcc/cse.c' ---- old/gcc/cse.c 2010-11-26 12:03:32 +0000 -+++ new/gcc/cse.c 2011-02-11 09:27:19 +0000 -@@ -6634,9 +6634,10 @@ - case CALL_INSN: - case INSN: - case JUMP_INSN: -- /* We expect dest to be NULL_RTX here. If the insn may trap, mark -- this fact by setting DEST to pc_rtx. */ -- if (insn_could_throw_p (x)) -+ /* We expect dest to be NULL_RTX here. If the insn may trap, -+ or if it cannot be deleted due to side-effects, mark this fact -+ by setting DEST to pc_rtx. */ -+ if (insn_could_throw_p (x) || side_effects_p (PATTERN (x))) - dest = pc_rtx; - if (code == CALL_INSN) - count_reg_usage (CALL_INSN_FUNCTION_USAGE (x), counts, dest, incr); -@@ -6676,10 +6677,6 @@ - return; - - case ASM_OPERANDS: -- /* If the asm is volatile, then this insn cannot be deleted, -- and so the inputs *must* be live. */ -- if (MEM_VOLATILE_P (x)) -- dest = NULL_RTX; - /* Iterate over just the inputs, not the constraints as well. */ - for (i = ASM_OPERANDS_INPUT_LENGTH (x) - 1; i >= 0; i--) - count_reg_usage (ASM_OPERANDS_INPUT (x, i), counts, dest, incr); - -=== added file 'gcc/testsuite/gcc.dg/torture/volatile-pic-1.c' ---- old/gcc/testsuite/gcc.dg/torture/volatile-pic-1.c 1970-01-01 00:00:00 +0000 -+++ new/gcc/testsuite/gcc.dg/torture/volatile-pic-1.c 2011-02-11 09:27:19 +0000 -@@ -0,0 +1,20 @@ -+/* { dg-do run } */ -+/* { dg-require-visibility "" } */ -+/* { dg-require-effective-target fpic } */ -+/* { dg-options "-fPIC" } */ -+ -+volatile int x __attribute__((visibility("hidden"))); -+ -+void __attribute__((noinline)) bar (void) -+{ -+#if defined (__arm__) -+ asm volatile ("mov r3,%0" :: "r" (0xdeadbeef) : "r3"); -+#endif -+ (void) x; -+} -+ -+int main (void) -+{ -+ bar (); -+ return 0; -+} - |