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[Bug optimization/13724] Bad code generated for unsigned int -> long long multiplication
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Jan 2004 02:03:33 -0000
- Subject: [Bug optimization/13724] Bad code generated for unsigned int -> long long multiplication
- References: <20040117234513.13724.bonzini@gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-01-23 02:03 -------
Subject: Bug 13724
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: sayle@gcc.gnu.org 2004-01-23 02:03:26
Modified files:
gcc : ChangeLog cse.c
Log message:
2004-01-22 Paolo Bonzini <bonzini@gnu.org>
PR optimization/13724
* cse.c (fold_rtx) <SUBREG>: Fold a SUBREG to zero if it
represents the zero bits produced by a ZERO_EXTEND operation.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2424&r2=2.2425
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&r1=1.279&r2=1.280
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13724