diff options
Diffstat (limited to 'deps/v8/src/arm/macro-assembler-arm.h')
| -rw-r--r-- | deps/v8/src/arm/macro-assembler-arm.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/deps/v8/src/arm/macro-assembler-arm.h b/deps/v8/src/arm/macro-assembler-arm.h index b6675e47ce..a1a13e32ef 100644 --- a/deps/v8/src/arm/macro-assembler-arm.h +++ b/deps/v8/src/arm/macro-assembler-arm.h @@ -707,6 +707,17 @@ class MacroAssembler: public Assembler { bool allow_stub_calls() { return allow_stub_calls_; } // --------------------------------------------------------------------------- + // Number utilities + + // Check whether the value of reg is a power of two and not zero. If not + // control continues at the label not_power_of_two. If reg is a power of two + // the register scratch contains the value of (reg - 1) when control falls + // through. + void JumpIfNotPowerOfTwoOrZero(Register reg, + Register scratch, + Label* not_power_of_two_or_zero); + + // --------------------------------------------------------------------------- // Smi utilities void SmiTag(Register reg, SBit s = LeaveCC) { |