From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2153) id 7EDBC3951815; Fri, 14 May 2021 14:56:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7EDBC3951815 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Jakub Jelinek To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/redhat/heads/gcc-8-branch)] re PR tree-optimization/86159 (g++ ICE at -O1 and above on valid code: incorrect type of vector CONS X-Act-Checkin: gcc X-Git-Author: Richard Biener X-Git-Refname: refs/vendors/redhat/heads/gcc-8-branch X-Git-Oldrev: 0e08d1c314455f5e67a9317137637c64aaf2f560 X-Git-Newrev: 5236c5f5f89e867433e3083c02849ea4cba54ee4 Message-Id: <20210514145627.7EDBC3951815@sourceware.org> Date: Fri, 14 May 2021 14:56:27 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 May 2021 14:56:27 -0000 https://gcc.gnu.org/g:5236c5f5f89e867433e3083c02849ea4cba54ee4 commit 5236c5f5f89e867433e3083c02849ea4cba54ee4 Author: Richard Biener Date: Fri Jun 15 11:08:30 2018 +0000 re PR tree-optimization/86159 (g++ ICE at -O1 and above on valid code: incorrect type of vector CONSTRUCTOR elements) 2018-06-15 Richard Biener PR middle-end/86159 * tree-cfg.c (gimplify_build3): Do not strip sign conversions, leave useless conversion stripping to force_gimple_operand_gsi. (gimplify_build2): Likewise. (gimplify_build1): Likewise. * g++.dg/pr86159.C: New testcase. (cherry picked from commit fa6852317327d978d4069175952109505204f6ae) Diff: --- gcc/testsuite/g++.dg/pr86159.C | 10 ++++++++++ gcc/tree-cfg.c | 6 ------ 2 files changed, 10 insertions(+), 6 deletions(-) diff --git a/gcc/testsuite/g++.dg/pr86159.C b/gcc/testsuite/g++.dg/pr86159.C new file mode 100644 index 00000000000..83168f50c4a --- /dev/null +++ b/gcc/testsuite/g++.dg/pr86159.C @@ -0,0 +1,10 @@ +// { dg-do compile } +// { dg-options "-O -w -Wno-psabi" } + +typedef int vec __attribute__((vector_size(32))); +vec fn1() +{ + vec x, zero{}; + vec one = zero + 1; + return x < zero ? one : zero; +} diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 445657b0836..84e58e66628 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -9250,8 +9250,6 @@ gimplify_build3 (gimple_stmt_iterator *gsi, enum tree_code code, location_t loc = gimple_location (gsi_stmt (*gsi)); ret = fold_build3_loc (loc, code, type, a, b, c); - STRIP_NOPS (ret); - return force_gimple_operand_gsi (gsi, ret, true, NULL, true, GSI_SAME_STMT); } @@ -9266,8 +9264,6 @@ gimplify_build2 (gimple_stmt_iterator *gsi, enum tree_code code, tree ret; ret = fold_build2_loc (gimple_location (gsi_stmt (*gsi)), code, type, a, b); - STRIP_NOPS (ret); - return force_gimple_operand_gsi (gsi, ret, true, NULL, true, GSI_SAME_STMT); } @@ -9282,8 +9278,6 @@ gimplify_build1 (gimple_stmt_iterator *gsi, enum tree_code code, tree type, tree ret; ret = fold_build1_loc (gimple_location (gsi_stmt (*gsi)), code, type, a); - STRIP_NOPS (ret); - return force_gimple_operand_gsi (gsi, ret, true, NULL, true, GSI_SAME_STMT); }