clang/test/CodeGen/attr-target-x86-mmx.c

   1 // RUN: %clang_cc1 -triple i386-linux-gnu -emit-llvm %s -o - | FileCheck %s
   2 // Picking a cpu that doesn't have mmx or sse by default so we can enable it later.
   3
   4 #define __MM_MALLOC_H
   5
   6 #include <x86intrin.h>
   7
   8 // Verify that when we turn on sse that we also turn on mmx.
   9 void __attribute__((target("sse"))) shift(__m64 a, __m64 b, int c) {
  10   _mm_slli_pi16(a, c);
  11   _mm_slli_pi32(a, c);
  12   _mm_slli_si64(a, c);
  13
  14   _mm_srli_pi16(a, c);
  15   _mm_srli_pi32(a, c);
  16   _mm_srli_si64(a, c);
  17
  18   _mm_srai_pi16(a, c);
  19   _mm_srai_pi32(a, c);
  20 }
  21
  22 // CHECK: "target-features"="+cx8,+mmx,+sse,+x87"