gcc/gcc ChangeLog cse.c tree.def fold-const.c

[mmitchel@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_0-branch
Changes by:	mmitchel@gcc.gnu.org	2001-03-19 10:41:07

Modified files:
	gcc            : ChangeLog cse.c tree.def fold-const.c 

Log message:
	* cse.c (find_comparison_args): Update documentation.  Fix
	mishandling of COMPARE operations.
	
	* tree.def (ABS_EXPR): Add documentation.
	* fold-const.c (fold): Improve folding of ABS_EXPRs.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.9240.2.165&r2=1.9240.2.166
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.174.2.1&r2=1.174.2.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.def.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.35.4.1&r2=1.35.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.146.2.4&r2=1.146.2.5