diff options
| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libgomp/testsuite/libgomp.c/atomic-6.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libgomp/testsuite/libgomp.c/atomic-6.c')
| -rw-r--r-- | gcc-4.9/libgomp/testsuite/libgomp.c/atomic-6.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/libgomp/testsuite/libgomp.c/atomic-6.c b/gcc-4.9/libgomp/testsuite/libgomp.c/atomic-6.c new file mode 100644 index 000000000..f8ab75e6a --- /dev/null +++ b/gcc-4.9/libgomp/testsuite/libgomp.c/atomic-6.c @@ -0,0 +1,38 @@ +/* PR middle-end/36106 */ +/* { dg-options "-O2" } */ +/* { dg-options "-O2 -mieee" { target alpha*-*-* } } */ +/* { dg-options "-O2 -march=i586" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ + +#ifdef __i386__ +# include "cpuid.h" +#endif + +extern void abort (void); + +union { unsigned long long l; double d; } u = { .l = 0x7ff0000000072301ULL }; + +int __attribute__((noinline)) +do_test (void) +{ +#pragma omp atomic + u.d += 1.0L; + return 0; +} + +int +main (void) +{ +#ifdef __i386__ + unsigned int eax, ebx, ecx, edx; + + if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) + return 0; + + if (!(edx & bit_CMPXCHG8B)) + return 0; +#endif + + do_test (); + + return 0; +} |