From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1923) id BD3E53858409; Wed, 17 Jan 2024 19:14:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BD3E53858409 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705518896; bh=1DAPZTaJAgt0F6hFMNj0zDb0pv8Qbh1WWDb2WzOB9z4=; h=From:To:Subject:Date:From; b=vHXwxQUr1m4RDJYamsuFlxlmUSQAjQ0BYdlvxKiDnKbMutFOn8g0b5fmFSXtlEAbj IwaEgJwJ4ahTEukANgedKYIoZyYlB4e5sqHGyzl+g/jhgC4fHXf133Zk8m9SfVeVEe eh2jYRHy71Qcw38k73qf9UIu6uc7fn522z60+wY0= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Philipp Tomsich To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/vendors/vrull/heads/slp-improvements)] Slightly restrict preconditions for vect_slp_optimize_permutes X-Act-Checkin: gcc X-Git-Author: Manolis Tsamis X-Git-Refname: refs/vendors/vrull/heads/slp-improvements X-Git-Oldrev: f963e37f4fc86f3683a586eec6ddb4b624ef42a4 X-Git-Newrev: 5c262464666155ff596dd9cb081fa18062164320 Message-Id: <20240117191456.BD3E53858409@sourceware.org> Date: Wed, 17 Jan 2024 19:14:56 +0000 (GMT) List-Id: https://gcc.gnu.org/g:5c262464666155ff596dd9cb081fa18062164320 commit 5c262464666155ff596dd9cb081fa18062164320 Author: Manolis Tsamis Date: Fri Dec 1 11:07:56 2023 +0100 Slightly restrict preconditions for vect_slp_optimize_permutes Diff: --- gcc/tree-vect-slp.cc | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/gcc/tree-vect-slp.cc b/gcc/tree-vect-slp.cc index 20acfba887d..30ac656a0af 100644 --- a/gcc/tree-vect-slp.cc +++ b/gcc/tree-vect-slp.cc @@ -8144,7 +8144,8 @@ recognise_perm_binop_perm_pattern (gassign *stmt, enum tree_code *binop1, return false; if (gimple_assign_rhs1 (bop1) != gimple_assign_rhs1 (bop2) - || gimple_assign_rhs2 (bop1) != gimple_assign_rhs2 (bop2)) + || gimple_assign_rhs2 (bop1) != gimple_assign_rhs2 (bop2) + || bop1 == bop2) return false; tree src1_perm = gimple_assign_rhs1 (bop1); @@ -8153,8 +8154,8 @@ recognise_perm_binop_perm_pattern (gassign *stmt, enum tree_code *binop1, gassign *perm1, *perm2; if (!(perm1 = get_tree_def(src1_perm, false)) || !(perm2 = get_tree_def(src2_perm, false)) - || num_imm_uses (src1_perm) > 2 - || num_imm_uses (src2_perm) > 2 + || num_imm_uses (src1_perm) != 2 + || num_imm_uses (src2_perm) != 2 || gimple_assign_rhs_code (perm1) != VEC_PERM_EXPR || gimple_assign_rhs_code (perm2) != VEC_PERM_EXPR || gimple_assign_rhs1 (perm1) != gimple_assign_rhs2 (perm1)