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| author | 2015-12-17 12:14:00 +0000 | |
|---|---|---|
| committer | 2015-12-22 11:51:33 +0000 | |
| commit | ac6ac10a0801fa6eb95e0ab0c72b2ed562210b34 (patch) | |
| tree | 3758a1903dbdd273c35d4bae4ee0e820857946c0 /compiler/utils/arm/assembler_arm.h | |
| parent | 1201804d1813d7db0accead9721d67c40b3de564 (diff) | |
Optimizing/ARM: Fix CmpConstant().
CMN updates flags based on addition of its operands.
Do not confuse the "N" suffix with bitwise inversion
performed by MVN.
Also add more special cases analogous to AddConstant()
and use CmpConstant() more in code generator.
Change-Id: I0d4571770a3f0fdf162e97d4bde56814098e7246
Diffstat (limited to 'compiler/utils/arm/assembler_arm.h')
| -rw-r--r-- | compiler/utils/arm/assembler_arm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/utils/arm/assembler_arm.h b/compiler/utils/arm/assembler_arm.h index b79c2f0f4e..f96376d9fe 100644 --- a/compiler/utils/arm/assembler_arm.h +++ b/compiler/utils/arm/assembler_arm.h @@ -501,6 +501,8 @@ class ArmAssembler : public Assembler { virtual void cmp(Register rn, const ShifterOperand& so, Condition cond = AL) = 0; + // Note: CMN updates flags based on addition of its operands. Do not confuse + // the "N" suffix with bitwise inversion performed by MVN. virtual void cmn(Register rn, const ShifterOperand& so, Condition cond = AL) = 0; virtual void orr(Register rd, Register rn, const ShifterOperand& so, |