stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8343724: [PPC64] Disallow OptoScheduling

Browse Source 
Reviewed-by: rrich, mbaesken
This commit is contained in:
Martin Doerr 2024-11-07 22:11:34 +00:00
parent a63f501b92
commit f621f26cd1
2 changed files with 23 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/hotspot/cpu/ppc/c2_init_ppc.cpp
View File

@ -34,21 +34,5 @@
// Processor dependent initialization of C2 compiler for ppc.
void Compile::pd_compiler2_init() {
// Power7 and later.
if (PowerArchitecturePPC64 > 6) {
if (FLAG_IS_DEFAULT(UsePopCountInstruction)) {
FLAG_SET_ERGO(UsePopCountInstruction, true);
}
}
if (!VM_Version::has_isel() && FLAG_IS_DEFAULT(ConditionalMoveLimit)) {
FLAG_SET_ERGO(ConditionalMoveLimit, 0);
}
if (OptimizeFill) {
warning("OptimizeFill is not supported on this CPU.");
FLAG_SET_DEFAULT(OptimizeFill, false);
}
guarantee(CodeEntryAlignment >= InteriorEntryAlignment, "");
}

22
src/hotspot/cpu/ppc/vm_version_ppc.cpp
View File

@ -110,6 +110,17 @@ void VM_Version::initialize() {
FLAG_SET_ERGO(TrapBasedRangeChecks, false);
}
// Power7 and later.
if (PowerArchitecturePPC64 > 6) {
if (FLAG_IS_DEFAULT(UsePopCountInstruction)) {
FLAG_SET_ERGO(UsePopCountInstruction, true);
}
}
if (!VM_Version::has_isel() && FLAG_IS_DEFAULT(ConditionalMoveLimit)) {
FLAG_SET_ERGO(ConditionalMoveLimit, 0);
}
if (PowerArchitecturePPC64 >= 8) {
if (FLAG_IS_DEFAULT(SuperwordUseVSX)) {
FLAG_SET_ERGO(SuperwordUseVSX, true);
@ -169,6 +180,17 @@ void VM_Version::initialize() {
FLAG_SET_DEFAULT(UseByteReverseInstructions, false);
}
}
if (OptimizeFill) {
warning("OptimizeFill is not supported on this CPU.");
FLAG_SET_DEFAULT(OptimizeFill, false);
}
if (OptoScheduling) {
// The OptoScheduling information is not maintained in ppd.ad.
warning("OptoScheduling is not supported on this CPU.");
FLAG_SET_DEFAULT(OptoScheduling, false);
}
#endif
// Create and print feature-string.