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| author | Nicolas Geoffray <ngeoffray@google.com> | 2015-06-22 23:12:45 +0100 |
|---|---|---|
| committer | Nicolas Geoffray <ngeoffray@google.com> | 2015-06-23 11:02:44 +0100 |
| commit | a4f3581da73b83484a30ab499c4f8ad43b378dab (patch) | |
| tree | a4f11578fc3df63ed9d63e248f01d09d4ff18438 /compiler/optimizing/code_generator_arm.h | |
| parent | 2d655f1ce89a714094a4f55ac75edcf9a34c7e24 (diff) | |
Do not overwrite an input register in shift operations.
'second_reg' is an input register that can survive the instruction.
Instead use the output register as a temporary result.
bug:21667432
Change-Id: I1a4577b0333c3fb184645023d5eae30555bbf65c
Diffstat (limited to 'compiler/optimizing/code_generator_arm.h')
| -rw-r--r-- | compiler/optimizing/code_generator_arm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/optimizing/code_generator_arm.h b/compiler/optimizing/code_generator_arm.h index 5b4b375161..953e733c44 100644 --- a/compiler/optimizing/code_generator_arm.h +++ b/compiler/optimizing/code_generator_arm.h @@ -32,6 +32,7 @@ class SlowPathCodeARM; // Use a local definition to prevent copying mistakes. static constexpr size_t kArmWordSize = kArmPointerSize; +static constexpr size_t kArmBitsPerWord = kArmWordSize * kBitsPerByte; static constexpr Register kParameterCoreRegisters[] = { R1, R2, R3 }; static constexpr size_t kParameterCoreRegistersLength = arraysize(kParameterCoreRegisters); |