http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50240
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tocarip.intel at gmail dot | |com --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2011-08-30 17:49:14 UTC --- It is caused by revision 178311: http://gcc.gnu.org/ml/gcc-cvs/2011-08/msg01329.html gcc.target/i386/fma-compile.c has /* { dg-final { scan-assembler-times "vfmadd[^s]..ps" 2 } } */ /* { dg-final { scan-assembler-times "vfmsub[^s]..ps" 2 } } */ /* { dg-final { scan-assembler-times "vfnmadd...ps" 2 } } */ /* { dg-final { scan-assembler-times "vfnmsub...ps" 2 } } */ /* { dg-final { scan-assembler-times "vfmaddsub...ps" 2 } } */ /* { dg-final { scan-assembler-times "vfmsubadd...ps" 2 } } */ /* { dg-final { scan-assembler-times "vfmadd[^s]..pd" 2 } } */ /* { dg-final { scan-assembler-times "vfmsub[^s]..pd" 2 } } */ /* { dg-final { scan-assembler-times "vfnmadd...pd" 2 } } */ /* { dg-final { scan-assembler-times "vfnmsub...pd" 2 } } */ /* { dg-final { scan-assembler-times "vfmaddsub...pd" 2 } } */ /* { dg-final { scan-assembler-times "vfmsubadd...pd" 2 } } */ /* { dg-final { scan-assembler-times "vfmadd[^s]..ss" 1 } } */ /* { dg-final { scan-assembler-times "vfmsub[^s]..ss" 1 } } */ /* { dg-final { scan-assembler-times "vfnmadd...ss" 1 } } */ /* { dg-final { scan-assembler-times "vfnmsub...ss" 1 } } */ /* { dg-final { scan-assembler-times "vfmadd[^s]..sd" 1 } } */ /* { dg-final { scan-assembler-times "vfmsub[^s]..sd" 1 } } */ /* { dg-final { scan-assembler-times "vfnmadd...sd" 1 } } */ /* { dg-final { scan-assembler-times "vfnmsub...sd" 1 } } */ Those "[^s]" are wrong.