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[Bug middle-end/29695] [4.1/4.2/4.3 Regression] Folding breaks (a & 0x80) ? 0x80 : 0 for unsigned char or unsigned short a
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Nov 2006 12:18:20 -0000
- Subject: [Bug middle-end/29695] [4.1/4.2/4.3 Regression] Folding breaks (a & 0x80) ? 0x80 : 0 for unsigned char or unsigned short a
- References: <bug-29695-87@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from jakub at gcc dot gnu dot org 2006-11-05 12:18 -------
Subject: Bug 29695
Author: jakub
Date: Sun Nov 5 12:18:03 2006
New Revision: 118498
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=118498
Log:
PR middle-end/29695
* fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
simplification.
* gcc.c-torture/execute/pr29695-1.c: New test.
* gcc.c-torture/execute/pr29695-2.c: New test.
Added:
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr29695-1.c
branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr29695-2.c
Modified:
branches/gcc-4_2-branch/gcc/ChangeLog
branches/gcc-4_2-branch/gcc/fold-const.c
branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29695