https://gcc.gnu.org/g:1ad6e171b126a82f38b1e8cbfd207f1d91c58a59
commit r16-269-g1ad6e171b126a82f38b1e8cbfd207f1d91c58a59
Author: liuhongt <hongtao....@intel.com>
Date: Mon Apr 28 07:45:50 2025 -0700
Remove other processors from X86_TUNE_DEST_FALSE_DEP_FOR_GLC except GLC
Since the tune if only for GLC(sapphirerapids and alderlake-P).
gcc/ChangeLog:
* config/i386/x86-tune.def (X86_TUNE_DEST_FALSE_DEP_FOR_GLC):
Remove other processor except for GLC since this one is only
for GLC.
Diff:
---
gcc/config/i386/x86-tune.def | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def
index c857e769b60e..e6044c6032e4 100644
--- a/gcc/config/i386/x86-tune.def
+++ b/gcc/config/i386/x86-tune.def
@@ -87,9 +87,7 @@ DEF_TUNE (X86_TUNE_SSE_PARTIAL_REG_CONVERTS_DEPENDENCY,
several insns to break false dependency on the dest register for GLC
micro-architecture. */
DEF_TUNE (X86_TUNE_DEST_FALSE_DEP_FOR_GLC,
- "dest_false_dep_for_glc", m_SAPPHIRERAPIDS | m_GRANITERAPIDS
- | m_GRANITERAPIDS_D | m_DIAMONDRAPIDS | m_CORE_HYBRID
- | m_CORE_ATOM)
+ "dest_false_dep_for_glc", m_SAPPHIRERAPIDS | m_ALDERLAKE)
/* X86_TUNE_SSE_SPLIT_REGS: Set for machines where the type and dependencies
are resolved on SSE register parts instead of whole registers, so we may
