/* { dg-do compile } */ | |
/* { dg-options "-Ofast --param tree-reassoc-width=2 -fdump-tree-widening_mul" } */ | |
/* { dg-additional-options "-mfpmath=sse -mfma" { target { i?86-*-* x86_64-*-* } } } */ | |
/* Test that the compiler rearrange the ops to generate more FMA. */ | |
float | |
foo1 (float a, float b, float c, float d, float *e) | |
{ | |
return *e + a * b + c * d ; | |
} | |
/* { dg-final { scan-tree-dump-times { = \.FMA \(} 2 "widening_mul" { target { i?86-*-* x86_64-*-* } } } } */ |