From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C46423858004; Thu, 8 Sep 2022 09:36:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C46423858004 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1662629796; bh=SfD07Cj+Hj2QhwhynTtVTnasZ1KiGGfHCMMygm+aaqM=; h=From:To:Subject:Date:From; b=maxbGYjVtIy14p2C/60atKiNdBx2VHjSnq3FNcOIVwMW9ykGH0fW1NW+CCJ5AugBK tDQ7dJMtdqjEbY1u9Wysxdr+k3tb6trDGGo7GYGAhEEemgtX+KDvZhVeQlCXN0GoQ2 /+Ds15JIBWgioAc4pAurPsxbtWNJrJ0rN32NNTeM= From: "shihua at iscas dot ac.cn" To: gcc-bugs@gcc.gnu.org Subject: [Bug regression/106888] New: [RISCV] Excess andi instructions are generated in gcc.dg/pr90838.c Date: Thu, 08 Sep 2022 09:36:36 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: regression X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: shihua at iscas dot ac.cn X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106888 Bug ID: 106888 Summary: [RISCV] Excess andi instructions are generated in gcc.dg/pr90838.c Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: regression Assignee: unassigned at gcc dot gnu.org Reporter: shihua at iscas dot ac.cn Target Milestone: --- After this patch=EF=BC=88 https://gcc.gnu.org/git/?p=3Dgcc.git;a=3Dcommit;h=3Dc23a9c87cc62bd177fd0d4d= b6ad34b34e1b9a31f=EF=BC=89=EF=BC=8Cgcc.dg/pr90838.c failed. Before=EF=BC=9A .attribute arch, "rv64i2p0_m2p0_a2p0_f2p0_d2p0_c2p0_zbb1p0" .attribute unaligned_access, 0 .attribute stack_align, 16 .text .align 1 .globl ctz2 .type ctz2, @function ctz2: ctzw a0,a0 ret .size ctz2, .-ctz2 .align 1 .globl ctz3 .type ctz3, @function ctz3: ctzw a0,a0 ret .size ctz3, .-ctz3 After: .attribute arch, "rv64i2p0_m2p0_a2p0_f2p0_d2p0_c2p0_zbb1p0" .attribute unaligned_access, 0 .attribute stack_align, 16 .text .align 1 .globl ctz1 .type ctz1, @function ctz2: ctzw a0,a0 andi a0,a0,127 ret .size ctz2, .-ctz2 .align 1 .globl ctz3 .type ctz3, @function ctz3: ctzw a0,a0 andi a0,a0,127 ret .size ctz3, .-ctz3=