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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112787] Codegen regression of large GCC vector
 extensions when enabling SVE
Date: Mon, 18 Mar 2024 22:46:45 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112787

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
                 CC|                            |ebotcazou at gcc dot gnu.o=
rg
             Status|RESOLVED                    |REOPENED

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
This has introduced regressions on the 12 and 13 branches for x86-64/Linux:

FAIL: g++.dg/opt/pr91838.C  -std=3Dc++14  scan-assembler
pxor\\\\s+%xmm0,\\\\s+%xmm0
FAIL: g++.dg/opt/pr91838.C  -std=3Dc++17  scan-assembler
pxor\\\\s+%xmm0,\\\\s+%xmm0
FAIL: g++.dg/opt/pr91838.C  -std=3Dc++20  scan-assembler
pxor\\\\s+%xmm0,\\\\s+%xmm0

https://gcc.gnu.org/pipermail/gcc-testresults/2024-March/809244.html=