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gcc/gcc combine.c simplify-rtx.c ChangeLog
- From: bonzini at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: 27 May 2004 08:29:19 -0000
- Subject: gcc/gcc combine.c simplify-rtx.c ChangeLog
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: bonzini@gcc.gnu.org 2004-05-27 08:29:18
Modified files:
gcc : combine.c simplify-rtx.c ChangeLog
Log message:
2004-05-25 Paolo Bonzini <bonzini@gnu.org>
* combine.c (gen_binary): Remove.
(known_cond, simplify_shift_const
find_split_point, combine_simplify_rtx,
simplify_if_then_else, simplify_set,
simplify_logical, expand_field_assignment,
extract_left_shift, force_to_mode,
if_then_else_cond, apply_distributive_law,
simplify_and_const_int, simplify_shift_const,
gen_lowpart_for_combine, simplify_comparison,
reversed_comparison): Replace with
simplify_gen_binary, simplify_gen_relational or
distribute_and_simplify_rtx.
(distribute_and_simplify_rtx): New function.
* simplify-rtx.c (simplify_binary_operation):
Use nonzero_bits to simplify ANDs where we are
turning off bits already known to be off in OP0.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.429&r2=1.430
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.191&r2=1.192
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3761&r2=2.3762