From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32462 invoked by alias); 14 Sep 2007 05:49:48 -0000 Received: (qmail 32364 invoked by uid 48); 14 Sep 2007 05:49:36 -0000 Date: Fri, 14 Sep 2007 05:49:00 -0000 Message-ID: <20070914054936.32363.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/26449] [4.2/4.3 Regression] ICE in loop invariant motion In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ubizjak at gmail dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2007-09/txt/msg01185.txt.bz2 ------- Comment #19 from ubizjak at gmail dot com 2007-09-14 05:49 ------- Zdenek, the fix in Comment #5 is wrong (please look at Comment #11 why), as cofirmed by a couple of dupes. From PR 33428: gcc.c-torture/execute/loop-15.c fails with -O1 -ftree-vectorize (x86_64): loop-15.c: In function 'main': loop-15.c:40: internal compiler error: in expand_simple_binop, at optabs.c:1306 #1 0x000000000072305f in expand_simple_binop (mode=V8SImode, code=VEC_CONCAT, op0=0x2b48d59e1d80, op1=0x2b48d59e1e40, target=0x0, unsignedp=1, methods=OPTAB_LIB_WIDEN) at /home/ssb/src/r/gcc43/gcc/optabs.c:1306 This bug blocks vectorization at -O3. -- ubizjak at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |critical Status|RESOLVED |REOPENED Resolution|WORKSFORME | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26449