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 -mno-avx2 -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 long i64[SIZE]; 17} a, b, c, d; 18 19void 20imul64 (void) 21{ 22 int i; 23 24 for (i = 0; i < SIZE; i++) 25 a.i64[i] = b.i64[i] * c.i64[i]; 26} 27 28int main () 29{ 30 imul64 (); 31 exit (0); 32} 33 34/* { dg-final { scan-assembler "vpmulld" } } */ 35/* { dg-final { scan-assembler "vphadddq" } } */ 36