From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1412 invoked by alias); 20 Dec 2011 07:47:19 -0000 Received: (qmail 1382 invoked by uid 22791); 20 Dec 2011 07:47:15 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 20 Dec 2011 07:47:02 +0000 From: "terry.guo at arm dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/51631] Trunk ICE for case vst1_lanese64.c with -Os Date: Tue, 20 Dec 2011 07:51:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: terry.guo at arm dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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: 2011-12/txt/msg02218.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51631 --- Comment #1 from Terry Guo 2011-12-20 07:46:44 UTC --- build@sha-pdsh-build04:~/workspace/GCC-Trunk-Daily-Test/build-linux/gcc-final/gcc/testsuite/gcc$ cat /home/build/workspace/GCC-Trunk-Daily-Test/src/gcc/gcc/testsuite/gcc.target/arm/neon/vst1_lanes64.c /* Test the `vst1_lanes64' ARM Neon intrinsic. */ /* This file was autogenerated by neon-testgen. */ /* { dg-do assemble } */ /* { dg-require-effective-target arm_neon_ok } */ /* { dg-options "-save-temps -O0" } */ /* { dg-add-options arm_neon } */ #include "arm_neon.h" void test_vst1_lanes64 (void) { int64_t *arg0_int64_t; int64x1_t arg1_int64x1_t; vst1_lane_s64 (arg0_int64_t, arg1_int64x1_t, 0); } /* { dg-final { scan-assembler "vst1\.64\[ \]+((\\\{\[dD\]\[0-9\]+\\\})|(\[dD\]\[0-9\]+)), \\\[\[rR\]\[0-9\]+\(:\[0-9\]+\)?\\\]!?\(\[ \]+@\[a-zA-Z0-9 \]+\)?\n" } } */ /* { dg-final { cleanup-saved-temps } } */ The buggy code fragment is: case VEC_SELECT: if (!VECTOR_MODE_P (mode)) { gcc_assert (VECTOR_MODE_P (GET_MODE (trueop0))); gcc_assert (mode == GET_MODE_INNER (GET_MODE (trueop0))); The value of mode is DImode. The value of trueop0 is: (reg/v:DI 135 [ arg1_int64x1_t ]) The whole insn that the function was trying to handle is: (insn 5 2 0 2 (set (mem:DI (reg/v/f:SI 134 [ arg0_int64_t ]) [0 S8 A64]) (vec_select:DI (reg/v:DI 135 [ arg1_int64x1_t ]) (parallel [ (const_int 0 [0]) ]))) /home/terguo01/work/Os-failed-cases/arm-none-eabi-gcc-4_6-20111208/build-linux/gcc-final/gcc/include/arm_neon.h:8412 1590 {neon_vst1_lanedi} (nil))