https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119083
Bug ID: 119083 Summary: Remove SSE_FIRST_REG from ix86_class_likely_spilled_p Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com CC: liuhongt at gcc dot gnu.org Target Milestone: --- Target: x86 SSE_FIRST_REG was added to CLASS_LIKELY_SPILLED_P, which became TARGET_CLASS_LIKELY_SPILLED_P, for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40470 Since RA has been improved and xmm0 is a commonly used register, should SSE_FIRST_REG be removed from ix86_class_likely_spilled_p to improve xmm0 codegen?