[Bug target/70873] [7 Regressio] 20% performance regression at 482.sphinx3 after r235442 with -O2 -m32 on Haswell.

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70873

--- Comment #30 from uros at gcc dot gnu.org ---
Author: uros
Date: Thu May  5 22:48:29 2016
New Revision: 235936

URL: https://gcc.gnu.org/viewcvs?rev=235936&root=gcc&view=rev
Log:
        PR target/70873
        * config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
        New prototype.
        * config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
        * config/i386/i386.md (push mem splitter): Use find_constant_src in
        the splitter condition.
        (FP load splitter): Use ix86_standard_x87sse_constant_load_p in
        the splitter condition.
        (FP float_extend load splitter): Ditto.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-protos.h
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.md