File: attr-target-x86-mmx.c

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// RUN: %clang_cc1 -triple i386-linux-gnu -emit-llvm %s -o - | FileCheck %s
// Picking a cpu that doesn't have mmx or sse by default so we can enable it later.

#define __MM_MALLOC_H

#include <x86intrin.h>

// Verify that when we turn on sse that we also turn on mmx.
void __attribute__((target("sse"))) shift(__m64 a, __m64 b, int c) {
  _mm_slli_pi16(a, c);
  _mm_slli_pi32(a, c);
  _mm_slli_si64(a, c);

  _mm_srli_pi16(a, c);
  _mm_srli_pi32(a, c);
  _mm_srli_si64(a, c);

  _mm_srai_pi16(a, c);
  _mm_srai_pi32(a, c);
}

// CHECK: "target-features"="+cx8,+mmx,+sse,+x87"