[Bug tree-optimization/56547] [SH] missed opportunity for fmac with -ffast-math

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56547

--- Comment #3 from Oleg Endo <olegendo at gcc dot gnu.org> ---
Fixed for SH on 4.8:

http://gcc.gnu.org/viewcvs/gcc?view=revision&revision=199874

    PR target/56547
    * config/sh/sh.md (fmasf4): Remove empty constraints strings.
    (*fmasf4, *fmasf4_media): New insns.

    gcc/testsuite/ChangeLog:
    PR target/56547
    * gcc.target/sh/pr56547-1.c: New.
    * gcc.target/sh/pr56547-2.c: New.