| // RUN: clang-cc -triple i386-apple-darwin9 -mcpu=pentium4 -emit-llvm -o %t %s && |
| // RUN: grep define %t | count 1 && |
| // RUN: clang-cc -triple i386-apple-darwin9 -mcpu=pentium4 -g -emit-llvm -o %t %s && |
| // RUN: grep define %t | count 1 |
| |
| #include <mmintrin.h> |
| #include <stdio.h> |
| |
| int main(int argc, char *argv[]) { |
| int array[16] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 }; |
| __m64 *p = (__m64 *)array; |
| |
| __m64 accum = _mm_setzero_si64(); |
| |
| for (int i=0; i<8; ++i) |
| accum = _mm_add_pi32(p[i], accum); |
| |
| __m64 accum2 = _mm_unpackhi_pi32(accum, accum); |
| accum = _mm_add_pi32(accum, accum2); |
| |
| int result = _mm_cvtsi64_si32(accum); |
| _mm_empty(); |
| printf("%d\n", result ); |
| |
| return 0; |
| } |
