gcc/testsuite/gcc.dg/tree-ssa/pr44423.c

   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"} } */