| /* { dg-do run } */ |
| /* { dg-options "-O2 -fopenmp" } */ |
| /* { dg-options "-O2 -fopenmp -march=nocona" { target i?86-*-* x86_64-*-* } } */ |
| /* { dg-options "-O2 -fopenmp" { target ilp32 } } */ |
| |
| 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__ |
| # define bit_SSE3 (1 << 0) |
| # define bit_CX16 (1 << 13) |
| unsigned int ax, bx, cx, dx; |
| __asm__ ("cpuid" : "=a" (ax), "=b" (bx), "=c" (cx), "=d" (dx) |
| : "0" (1) : "cc"); |
| if ((cx & (bit_SSE3 | bit_CX16)) != (bit_SSE3 | bit_CX16)) |
| return 0; |
| #endif |
| test (); |
| return 0; |
| } |