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8269775: compiler/codegen/ClearArrayTest.java failed with "assert(false) failed: bad AD file" #199
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Original file line number | Diff line number | Diff line change |
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@@ -11023,10 +11023,10 @@ instruct MoveL2D_reg_reg(regD dst, rRegL src) %{ | |
instruct rep_stos(rcx_RegL cnt, rdi_RegP base, regD tmp, rax_RegI zero, | ||
Universe dummy, rFlagsReg cr) | ||
%{ | ||
predicate(!((ClearArrayNode*)n)->is_large() && | ||
(UseAVX <= 2)); | ||
predicate(!((ClearArrayNode*)n)->is_large() && (UseAVX <= 2)); | ||
match(Set dummy (ClearArray cnt base)); | ||
effect(USE_KILL cnt, USE_KILL base, TEMP tmp, KILL zero, KILL cr); | ||
ins_cost(125); | ||
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||
format %{ $$template | ||
$$emit$$"xorq rax, rax\t# ClearArray:\n\t" | ||
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@@ -11084,10 +11084,9 @@ instruct rep_stos(rcx_RegL cnt, rdi_RegP base, regD tmp, rax_RegI zero, | |
instruct rep_stos_evex(rcx_RegL cnt, rdi_RegP base, regD tmp, kReg ktmp, rax_RegI zero, | ||
Universe dummy, rFlagsReg cr) | ||
%{ | ||
predicate(!((ClearArrayNode*)n)->is_large() && | ||
UseAVX > 2 && | ||
!n->in(2)->bottom_type()->is_long()->is_con()); | ||
predicate(!((ClearArrayNode*)n)->is_large() && UseAVX > 2); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Add |
||
match(Set dummy (ClearArray cnt base)); | ||
ins_cost(125); | ||
effect(USE_KILL cnt, USE_KILL base, TEMP tmp, TEMP ktmp, KILL zero, KILL cr); | ||
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format %{ $$template | ||
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@@ -11248,9 +11247,9 @@ instruct rep_stos_large_evex(rcx_RegL cnt, rdi_RegP base, regD tmp, kReg ktmp, r | |
instruct rep_stos_im(immL cnt, rRegP base, regD tmp, rRegI zero, kReg ktmp, Universe dummy, rFlagsReg cr) | ||
%{ | ||
predicate(!((ClearArrayNode*)n)->is_large() && | ||
(UseAVX > 2 && VM_Version::supports_avx512vlbw() && | ||
n->in(2)->bottom_type()->is_long()->is_con())); | ||
(UseAVX > 2 && VM_Version::supports_avx512vlbw())); | ||
match(Set dummy (ClearArray cnt base)); | ||
ins_cost(100); | ||
effect(TEMP tmp, TEMP zero, TEMP ktmp, KILL cr); | ||
format %{ "clear_mem_imm $base , $cnt \n\t" %} | ||
ins_encode %{ | ||
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I don't think you need it here. There are no other ClearArray conflicting instructions for small copy and AVX <= 2.