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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/103905] [12 Regression] Miscompiled i386-expand.c with
 -march=bdver1 and -O3 since r12-1789-g836328b2c99f5b8d
Date: Tue, 04 Jan 2022 19:56:52 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103905

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #52119|0                           |1
        is obsolete|                            |

--- Comment #1 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Created attachment 52120
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52120&action=3Dedit
Isolated test-case

Isolated test-case where only the miscompiled function
ix86_expand_vec_extract_even_odd uses -O3.

@Uros: Can you please compare -fdump-tree-optimized before and after the
revision?=