From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1923) id 5F188385800E; Tue, 23 Jan 2024 20:58:13 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5F188385800E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1706043493; bh=Zx/Jg3SF1Yg9cjvCltwWO+pMZkxe71wWV4pihOaBbIA=; h=From:To:Subject:Date:From; b=Q6izGXGG+NCZIp21kh/Ii4KOBet2tG7hi7J2su1t8o41xbYZmXHir20waTsiuMeiA gvJCuSmTXYoBfU8tx1J+xV29ZBOloKxqveXXhf+FKJ2ySSleWhIls7ZvT6wg+NiDoh NtvGcpMnQYuqoVY0S8Fb+itBxfAJAXe3dDnfLQL0= 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: c82eb62f9cb8ffeb056396be34fb80ca0b8502ce X-Git-Newrev: ad485760c6088fb57e3f31e29beaa207bfd9993d Message-Id: <20240123205813.5F188385800E@sourceware.org> Date: Tue, 23 Jan 2024 20:58:13 +0000 (GMT) List-Id: https://gcc.gnu.org/g:ad485760c6088fb57e3f31e29beaa207bfd9993d commit ad485760c6088fb57e3f31e29beaa207bfd9993d 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 8dd9d85d9b8..4f4cb38f185 100644 --- a/gcc/tree-vect-slp.cc +++ b/gcc/tree-vect-slp.cc @@ -8273,7 +8273,8 @@ 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); @@ -8282,8 +8283,8 @@ 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)