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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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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-2.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-2.c')
-rw-r--r-- | gcc-4.9/libgomp/testsuite/libgomp.c/atomic-2.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/libgomp/testsuite/libgomp.c/atomic-2.c b/gcc-4.9/libgomp/testsuite/libgomp.c/atomic-2.c new file mode 100644 index 000000000..c8779483b --- /dev/null +++ b/gcc-4.9/libgomp/testsuite/libgomp.c/atomic-2.c @@ -0,0 +1,37 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -mcx16" { target { { i?86-*-* x86_64-*-* } && lp64 } } } */ + +#ifdef __x86_64__ +#include "cpuid.h" +#endif + +double d = 1.5; +long double ld = 3; +extern void abort (void); + +void +test (void) +{ +#pragma omp atomic + d *= 1.25; +#pragma omp atomic + ld /= 0.75; + if (d != 1.875 || ld != 4.0L) + abort (); +} + +int +main (void) +{ +#ifdef __x86_64__ + unsigned int eax, ebx, ecx, edx; + + if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) + return 0; + + if (!(ecx & bit_CMPXCHG16B)) + return 0; +#endif + test (); + return 0; +} |