1 /* { dg-do compile } */ 2 /* { dg-options "-O2 -ffast-math -fno-tree-forwprop -fno-tree-reassoc" } */ 3 /* { dg-options "-O2 -ffast-math -fno-tree-forwprop -fno-tree-reassoc -mfma4" { target x86_64-*-* i?86-*-* } } */ 4 5 float foo(float x,float cim)6foo (float x, float cim) 7 { 8 float c = x * cim; 9 float d = -c; 10 return c - d; 11 } 12