https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85829
Bug ID: 85829
Summary: [8/9 Regression] PARTIAL_REG_DEPENDENCY and MOVX were
disabled for Haswell and newer processors
Product: gcc
Version: 8.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: hubicka at ucw dot cz
Target Milestone: ---
Target: x86_64-*-*, i?86-*-*
r254152 disabled PARTIAL_REG_DEPENDENCY and MOVX were disabled for Haswell
and newer processors. r258972 restored them for skylake-avx512. We may need
them back for all Haswell and newer processors.
