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egcs/gcc ChangeLog combine.c simplify-rtx.c
- To: gcc-cvs at gcc dot gnu dot org
- Subject: egcs/gcc ChangeLog combine.c simplify-rtx.c
- From: hubicka at gcc dot gnu dot org
- Date: 17 Jul 2001 15:11:57 -0000
CVSROOT: /cvs/gcc
Module name: egcs
Changes by: hubicka@gcc.gnu.org 2001-07-17 08:11:57
Modified files:
gcc : ChangeLog combine.c simplify-rtx.c
Log message:
* combine.c (combine_simplify_rtx): Attempt to simplify
a*(b/c) as (a*b)/c for floats in unsafe_math mode.
* simplify-rtx.c (avoid_constatn_pool_reference): New static function.
(simplify_binary_operation, simplify_unary_operation,
simplify_relational_operation): Use it.
* combine.c (combine_simplify_rtx): Don't do associative law
on divisions; allow associative law on floats.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.10686&r2=1.10687
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/combine.c.diff?cvsroot=gcc&r1=1.215&r2=1.216
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.68&r2=1.69