1/* Test that the compiler properly optimizes floating point multiply and add 2 instructions vector into pmacsdd/etc. on XOP systems. */ 3 4/* { dg-do compile } */ 5/* { dg-require-effective-target lp64 } */ 6/* { dg-options "-O2 -mxop -ftree-vectorize" } */ 7 8extern void exit (int); 9 10typedef long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); 11 12#define SIZE 10240 13 14union { 15 __m128i i_align; 16 int i32[SIZE]; 17 long i64[SIZE]; 18} a, b, c, d; 19 20void 21imul32_to_64 (void) 22{ 23 int i; 24 25 for (i = 0; i < SIZE; i++) 26 a.i64[i] = ((long)b.i32[i]) * ((long)c.i32[i]); 27} 28 29int main () 30{ 31 imul32_to_64 (); 32 exit (0); 33} 34 35/* { dg-final { scan-assembler "vpmacsdql" } } */ 36/* { dg-final { scan-assembler "vpmacsdqh" } } */ 37