diff options
Diffstat (limited to 'toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106876.patch')
| -rw-r--r-- | toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106876.patch | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106876.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106876.patch deleted file mode 100644 index 048e85b4d6..0000000000 --- a/toolchain-layer/recipes-devtools/gcc/gcc-4.6/linaro/gcc-4.6-linaro-r106876.patch +++ /dev/null @@ -1,109 +0,0 @@ -2012-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org> - - LP:942307 - gcc/ - PR target/50305 - * config/arm/arm.c (arm_legitimize_reload_address): Recognize - output of a previous pass through legitimize_reload_address. - Do not attempt to optimize addresses if the base register is - equivalent to a constant. - gcc/testsuite/ - PR target/50305 - * gcc.target/arm/pr50305.c: New test. - -=== modified file 'gcc/config/arm/arm.c' ---- old/gcc/config/arm/arm.c 2012-03-02 13:53:14 +0000 -+++ new/gcc/config/arm/arm.c 2012-03-06 11:01:55 +0000 -@@ -6632,9 +6632,26 @@ - int opnum, int type, - int ind_levels ATTRIBUTE_UNUSED) - { -+ /* We must recognize output that we have already generated ourselves. */ -+ if (GET_CODE (*p) == PLUS -+ && GET_CODE (XEXP (*p, 0)) == PLUS -+ && GET_CODE (XEXP (XEXP (*p, 0), 0)) == REG -+ && GET_CODE (XEXP (XEXP (*p, 0), 1)) == CONST_INT -+ && GET_CODE (XEXP (*p, 1)) == CONST_INT) -+ { -+ push_reload (XEXP (*p, 0), NULL_RTX, &XEXP (*p, 0), NULL, -+ MODE_BASE_REG_CLASS (mode), GET_MODE (*p), -+ VOIDmode, 0, 0, opnum, (enum reload_type) type); -+ return true; -+ } -+ - if (GET_CODE (*p) == PLUS - && GET_CODE (XEXP (*p, 0)) == REG - && ARM_REGNO_OK_FOR_BASE_P (REGNO (XEXP (*p, 0))) -+ /* If the base register is equivalent to a constant, let the generic -+ code handle it. Otherwise we will run into problems if a future -+ reload pass decides to rematerialize the constant. */ -+ && !reg_equiv_constant [ORIGINAL_REGNO (XEXP (*p, 0))] - && GET_CODE (XEXP (*p, 1)) == CONST_INT) - { - HOST_WIDE_INT val = INTVAL (XEXP (*p, 1)); - -=== added file 'gcc/testsuite/gcc.target/arm/pr50305.c' ---- old/gcc/testsuite/gcc.target/arm/pr50305.c 1970-01-01 00:00:00 +0000 -+++ new/gcc/testsuite/gcc.target/arm/pr50305.c 2012-03-01 13:07:48 +0000 -@@ -0,0 +1,60 @@ -+/* { dg-do compile } */ -+/* { dg-skip-if "incompatible options" { arm*-*-* } { "-march=*" } { "-march=armv7-a" } } */ -+/* { dg-options "-O2 -fno-omit-frame-pointer -marm -march=armv7-a -mfpu=vfp3" } */ -+ -+struct event { -+ unsigned long long id; -+ unsigned int flag; -+}; -+ -+void dummy(void) -+{ -+ /* This is here to ensure that the offset of perf_event_id below -+ relative to the LANCHOR symbol exceeds the allowed displacement. */ -+ static int __warned[300]; -+ __warned[0] = 1; -+} -+ -+extern void *kmem_cache_alloc_trace (void *cachep); -+extern void *cs_cachep; -+extern int nr_cpu_ids; -+ -+struct event * -+event_alloc (int cpu) -+{ -+ static unsigned long long __attribute__((aligned(8))) perf_event_id; -+ struct event *event; -+ unsigned long long result; -+ unsigned long tmp; -+ -+ if (cpu >= nr_cpu_ids) -+ return 0; -+ -+ event = kmem_cache_alloc_trace (cs_cachep); -+ -+ __asm__ __volatile__ ("dmb" : : : "memory"); -+ -+ __asm__ __volatile__("@ atomic64_add_return\n" -+"1: ldrexd %0, %H0, [%3]\n" -+" adds %0, %0, %4\n" -+" adc %H0, %H0, %H4\n" -+" strexd %1, %0, %H0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ : "=&r" (result), "=&r" (tmp), "+Qo" (perf_event_id) -+ : "r" (&perf_event_id), "r" (1LL) -+ : "cc"); -+ -+ __asm__ __volatile__ ("dmb" : : : "memory"); -+ -+ event->id = result; -+ -+ if (cpu) -+ event->flag = 1; -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) -+ kmem_cache_alloc_trace (cs_cachep); -+ -+ return event; -+} -+ - |