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8312213: Remove unnecessary TEST instructions on x86 when flags reg will already be set

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Reviewed-by: jvernee, dlong
This commit is contained in:
Tobias Hotz 2023-09-05 22:08:20 +00:00 • committed by Jorn Vernee
parent 1f4cdb327f
commit aba89f20bf
14 changed files with 720 additions and 7 deletions
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10
test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java
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@ -2119,6 +2119,16 @@ public class IRNode {
machOnlyNameRegex(X86_LOCK_XADDL, "xaddL");
}
public static final String X86_TESTI_REG = PREFIX + "X86_TESTI_REG" + POSTFIX;
static {
machOnlyNameRegex(X86_TESTI_REG, "testI_reg");
}
public static final String X86_TESTL_REG = PREFIX + "X86_TESTL_REG" + POSTFIX;
static {
machOnlyNameRegex(X86_TESTL_REG, "testL_reg");
}
/*
* Utility methods to set up IR_NODE_MAPPINGS.
*/