From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1922) id C30433858CD1; Mon, 31 Jul 2023 11:22:48 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C30433858CD1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1690802568; bh=iZ57cQ/fpfAxC+Bcdl1NWq3EaBg2eP43kKSPzR376vE=; h=From:To:Subject:Date:From; b=FGQu/4Z7uD4YNIVzu4XMfLm+LB1djqnunuJ/nnNL/ap3nwCi3Z+ipuEegqDam0Vry do7i04UW/M4FNcVD0F+uk9zv3ipi3hbK3WFCg3AEzy7D5XAyXWldABLxdh7uF8Cew/ 4NT8QNthQEhdk2Xr05Ur9Zxw1ooAx/CeDJUw/vBo= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Prathamesh Kulkarni To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-7661] [aarch64/match.pd] Fix ICE observed in PR110280. X-Act-Checkin: gcc X-Git-Author: Prathamesh Kulkarni X-Git-Refname: refs/heads/releases/gcc-13 X-Git-Oldrev: 73788585593e41341789cb4110c3acb0bf07d2aa X-Git-Newrev: f4029de35fb1b293a4fd586574b1b4b73ddf7880 Message-Id: <20230731112248.C30433858CD1@sourceware.org> Date: Mon, 31 Jul 2023 11:22:48 +0000 (GMT) List-Id: https://gcc.gnu.org/g:f4029de35fb1b293a4fd586574b1b4b73ddf7880 commit r13-7661-gf4029de35fb1b293a4fd586574b1b4b73ddf7880 Author: Prathamesh Kulkarni Date: Wed Jul 26 22:36:26 2023 +0530 [aarch64/match.pd] Fix ICE observed in PR110280. gcc/ChangeLog: PR tree-optimization/110280 * match.pd (vec_perm_expr(v, v, mask) -> v): Explicitly build vector using build_vector_from_val with the element of input operand, and mask's type if operand and mask's types don't match. gcc/testsuite/ChangeLog: PR tree-optimization/110280 * gcc.target/aarch64/sve/pr110280.c: New test. (cherry picked from commit 85d8e0d8d5342ec8b4e6a54e22741c30b33c6f04) Diff: --- gcc/match.pd | 9 ++++++++- gcc/testsuite/gcc.target/aarch64/sve/pr110280.c | 12 ++++++++++++ 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/gcc/match.pd b/gcc/match.pd index 91182448250..c3bb4fbc0a7 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -8292,7 +8292,14 @@ and, (simplify (vec_perm vec_same_elem_p@0 @0 @1) - @0) + (if (types_match (type, TREE_TYPE (@0))) + @0 + (with + { + tree elem = uniform_vector_p (@0); + } + (if (elem) + { build_vector_from_val (type, elem); })))) /* Push VEC_PERM earlier if that may help FMA perception (PR101895). */ (simplify diff --git a/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c b/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c new file mode 100644 index 00000000000..d3279f38362 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-optimized" } */ + +#include "arm_sve.h" + +svuint32_t l() +{ + _Alignas(16) const unsigned int lanes[4] = {0, 0, 0, 0}; + return svld1rq_u32(svptrue_b8(), lanes); +} + +/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "optimized" } } */