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8269828: corrections in some instruction patterns for KNL x86 platform

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Reviewed-by: kvn, dlong
This commit is contained in:
Jatin Bhateja 2021-07-08 12:19:19 +00:00
parent fa08cc62df
commit 168af2e6b2
2 changed files with 4 additions and 4 deletions
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4
src/hotspot/cpu/x86/x86_32.ad
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@ -11529,7 +11529,7 @@ instruct rep_stos(eCXRegI cnt, eDIRegP base, regD tmp, eAXRegI zero, Universe du
%}
// Small ClearArray AVX512 non-constant length.
instruct rep_stos_evex(eCXRegI cnt, eDIRegP base, regD tmp, kReg ktmp, eAXRegI zero, Universe dummy, eFlagsReg cr) %{
instruct rep_stos_evex(eCXRegI cnt, eDIRegP base, legRegD tmp, kReg ktmp, eAXRegI zero, Universe dummy, eFlagsReg cr) %{
predicate(!((ClearArrayNode*)n)->is_large() && (UseAVX > 2));
match(Set dummy (ClearArray cnt base));
ins_cost(125);
@ -11640,7 +11640,7 @@ instruct rep_stos_large(eCXRegI cnt, eDIRegP base, regD tmp, eAXRegI zero, Unive
%}
// Large ClearArray AVX512.
instruct rep_stos_large_evex(eCXRegI cnt, eDIRegP base, regD tmp, kReg ktmp, eAXRegI zero, Universe dummy, eFlagsReg cr) %{
instruct rep_stos_large_evex(eCXRegI cnt, eDIRegP base, legRegD tmp, kReg ktmp, eAXRegI zero, Universe dummy, eFlagsReg cr) %{
predicate((UseAVX > 2) && ((ClearArrayNode*)n)->is_large());
match(Set dummy (ClearArray cnt base));
effect(USE_KILL cnt, USE_KILL base, TEMP tmp, TEMP ktmp, KILL zero, KILL cr);

4
src/hotspot/cpu/x86/x86_64.ad
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@ -11080,7 +11080,7 @@ instruct rep_stos(rcx_RegL cnt, rdi_RegP base, regD tmp, rax_RegI zero,
%}
// Small ClearArray AVX512 non-constant length.
instruct rep_stos_evex(rcx_RegL cnt, rdi_RegP base, regD tmp, kReg ktmp, rax_RegI zero,
instruct rep_stos_evex(rcx_RegL cnt, rdi_RegP base, legRegD tmp, kReg ktmp, rax_RegI zero,
Universe dummy, rFlagsReg cr)
%{
predicate(!((ClearArrayNode*)n)->is_large() && (UseAVX > 2));
@ -11192,7 +11192,7 @@ instruct rep_stos_large(rcx_RegL cnt, rdi_RegP base, regD tmp, rax_RegI zero,
%}
// Large ClearArray AVX512.
instruct rep_stos_large_evex(rcx_RegL cnt, rdi_RegP base, regD tmp, kReg ktmp, rax_RegI zero,
instruct rep_stos_large_evex(rcx_RegL cnt, rdi_RegP base, legRegD tmp, kReg ktmp, rax_RegI zero,
Universe dummy, rFlagsReg cr)
%{
predicate((UseAVX > 2) && ((ClearArrayNode*)n)->is_large());