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 8 extern void exit (int); 9 10 typedef long __m128i __attribute__ ((__vector_size__ (16), __may_alias__)); 11 12 #define SIZE 10240 13 14 union { 15 __m128i i_align; 16 int i32[SIZE]; 17 long i64[SIZE]; 18 } a, b, c, d; 19 20 void imul32_to_64(void)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 main()29int main () 30 { 31 imul32_to_64 (); 32 exit (0); 33 } 34 35 /* { dg-final { scan-assembler "vpmuldq" } } */ 36 /* { dg-final { scan-assembler "vpmacsdqh" } } */ 37