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path: root/gcc-4.4.3/gcc/testsuite/gcc.target/i386/sse5-imul32widen-vector.c
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/* Test that the compiler properly optimizes floating point multiply and add
   instructions vector into pmacsdd/etc. on SSE5 systems.  */

/* { dg-do compile } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O2 -msse5 -ftree-vectorize" } */

extern void exit (int);

typedef long __m128i  __attribute__ ((__vector_size__ (16), __may_alias__));

#define SIZE 10240

union {
  __m128i i_align;
  int i32[SIZE];
  long i64[SIZE];
} a, b, c, d;

void
imul32_to_64 (void)
{
  int i;

  for (i = 0; i < SIZE; i++)
    a.i64[i] = ((long)b.i32[i]) * ((long)c.i32[i]);
}

int main ()
{
  imul32_to_64 ();
  exit (0);
}

/* { dg-final { scan-assembler "pmacsdql" } } */
/* { dg-final { scan-assembler "pmacsdqh" } } */