From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2140) id 179173858404; Sat, 9 Dec 2023 01:49:28 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 179173858404 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1702086568; bh=fR4Vontk+T8CRN64wq/EMGeIN7y2Yu0TIkZ14h5kuS8=; h=From:To:Subject:Date:From; b=h0WKNcnwHT307dFjp9PQlkWtCgKYIb7N3a/Z55gSefRmstg60FXsYcpIKsd8d5J82 gdIQQo4FcWiTRSCKPn/HpjOHXkq8CgB2zLzqpPjdJmV5arJ/vXkA73xMdOwCdQVPG1 GBAYJ9Xzd3zAcGOfOHbbv0fIERwaP+FTWw/3lbfA= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Alexandre Oliva To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/aoliva/heads/testme)] -finline-stringops: don't assume ptr_mode ptr in memset [PR112804] X-Act-Checkin: gcc X-Git-Author: Alexandre Oliva X-Git-Refname: refs/users/aoliva/heads/testme X-Git-Oldrev: 8c37a0b79799b084b0d81e62fea64892cee53e16 X-Git-Newrev: 458fdd7209a361679e75fc57a2544b4d7f40077d Message-Id: <20231209014928.179173858404@sourceware.org> Date: Sat, 9 Dec 2023 01:49:28 +0000 (GMT) List-Id: https://gcc.gnu.org/g:458fdd7209a361679e75fc57a2544b4d7f40077d commit 458fdd7209a361679e75fc57a2544b4d7f40077d Author: Alexandre Oliva Date: Fri Dec 8 21:41:50 2023 -0300 -finline-stringops: don't assume ptr_mode ptr in memset [PR112804] On aarch64 -milp32, and presumably on other such targets, ptr can be in a different mode than ptr_mode in the testcase. Cope with it. for gcc/ChangeLog PR target/112804 * builtins.cc (try_store_by_multiple_pieces): Use ptr's mode for the increment. for gcc/testsuite/ChangeLog PR target/112804 * gcc.target/aarch64/inline-mem-set-pr112804.c: New. Diff: --- gcc/builtins.cc | 2 +- gcc/testsuite/gcc.target/aarch64/inline-mem-set-pr112804.c | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/builtins.cc b/gcc/builtins.cc index 38b0acff131..12a535d313f 100644 --- a/gcc/builtins.cc +++ b/gcc/builtins.cc @@ -4519,7 +4519,7 @@ try_store_by_multiple_pieces (rtx to, rtx len, unsigned int ctz_len, to = change_address (to, QImode, 0); emit_move_insn (to, val); if (update_needed) - next_ptr = plus_constant (ptr_mode, ptr, blksize); + next_ptr = plus_constant (GET_MODE (ptr), ptr, blksize); } else { diff --git a/gcc/testsuite/gcc.target/aarch64/inline-mem-set-pr112804.c b/gcc/testsuite/gcc.target/aarch64/inline-mem-set-pr112804.c new file mode 100644 index 00000000000..fe841455986 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/inline-mem-set-pr112804.c @@ -0,0 +1,7 @@ +/* { dg-do compile } */ +/* { dg-options "-finline-stringops -mabi=ilp32 -ftrivial-auto-var-init=zero" } */ + +short m(unsigned k) { + const unsigned short *n[65]; + return 0; +}