1  /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
       2  /* { dg-options "-msse -O2 -fdump-tree-esra-details" } */
       3  
       4  #include "xmmintrin.h"
       5  
       6  typedef __m128 v4sf; // vector of 4 floats (SSE1)
       7  
       8  #define ARRSZ 1024
       9  
      10  typedef union {
      11    float f[4];
      12    v4sf  v;
      13  } V4SF;
      14  
      15  struct COLOUR {
      16    float r,g,b;
      17  };
      18  
      19  void func (float *pre1, float pre2, struct COLOUR *a, V4SF *lpic)
      20    {
      21    V4SF va;
      22    int y;
      23    va.f[0]=a->r;va.f[1]=a->g;va.f[2]=a->b;va.f[3]=0.f;
      24    for (y=0; y<20; ++y)
      25      {
      26      float att = pre1[y]*pre2;
      27      v4sf tmpatt=_mm_load1_ps(&att);
      28      tmpatt=_mm_mul_ps(tmpatt,va.v);
      29      lpic[y].v=_mm_add_ps(tmpatt,lpic[y].v);
      30      }
      31    }
      32  
      33  int main()
      34    {
      35    V4SF lpic[ARRSZ];
      36    float pre1[ARRSZ];
      37    int i;
      38    struct COLOUR col={0.,2.,4.};
      39    for (i=0; i<20; ++i)
      40      pre1[i]=0.4;
      41    for (i=0;i<10000000;++i)
      42      func(&pre1[0],0.3,&col,&lpic[0]);
      43    return 0;
      44    }
      45  
      46  /* { dg-final { scan-tree-dump-times "Created a replacement" 0 "esra"} } */