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8213473: Replace testB_mem_imm matcher with testUB_mem_imm

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Reviewed-by: kvn, roland
This commit is contained in:
Roman Kennke 2018-11-09 10:38:07 +01:00
parent 06383ba3a1
commit 617ccd6b92
1 changed files with 2 additions and 2 deletions
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4
src/hotspot/cpu/x86/x86_64.ad
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@ -11925,9 +11925,9 @@ instruct compB_mem_imm(rFlagsReg cr, memory mem, immI8 imm)
ins_pipe(ialu_cr_reg_mem); ins_pipe(ialu_cr_reg_mem);
%} %}
instruct testB_mem_imm(rFlagsReg cr, memory mem, immI8 imm, immI0 zero) instruct testUB_mem_imm(rFlagsReg cr, memory mem, immU8 imm, immI0 zero)
%{ %{
match(Set cr (CmpI (AndI (LoadB mem) imm) zero)); match(Set cr (CmpI (AndI (LoadUB mem) imm) zero));
ins_cost(125); ins_cost(125);
format %{ "testb $mem, $imm" %} format %{ "testb $mem, $imm" %}