diff options
| author | Simon Hausmann <simon.hausmann@qt.io> | 2017-04-03 15:31:57 +0200 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@qt.io> | 2017-04-06 10:52:34 +0000 |
| commit | 028a85f4f462093ca93ae95865eb6cbcbaec199a (patch) | |
| tree | e429f9dfa4491c7f8a8e5fb26f21ce36ffd9a1e4 /src/qml/jit/qv4assembler_p.h | |
| parent | 0518ba4d2a1156c316a7bd251210837acd84bf48 (diff) | |
Fix double conversion code generation when cross-compiling
We can't use QV4_USE_64_BIT_VALUE_ENCODING for deciding how generate
code for checking if the tag of a value contains the necessary mask to
detect doubles.
Change-Id: Id5a5c1b136313aa4dfd2c997898e97cd4ebaeb83
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/qml/jit/qv4assembler_p.h')
| -rw-r--r-- | src/qml/jit/qv4assembler_p.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/qml/jit/qv4assembler_p.h b/src/qml/jit/qv4assembler_p.h index b512398966..8b5b307e84 100644 --- a/src/qml/jit/qv4assembler_p.h +++ b/src/qml/jit/qv4assembler_p.h @@ -370,6 +370,13 @@ struct RegisterSizeDependentAssembler<JITAssembler, MacroAssembler, TargetPlatfo Jump jump = as->branchSub32(ResultCondition::NonZero, TrustedImm32(1), TargetPlatform::ScratchRegister); jump.linkTo(loop, as); } + + static Jump checkIfTagRegisterIsDouble(JITAssembler *as, RegisterID tagRegister) + { + as->and32(TrustedImm32(Value::NotDouble_Mask), tagRegister); + Jump isNoDbl = as->branch32(RelationalCondition::Equal, tagRegister, TrustedImm32(Value::NotDouble_Mask)); + return isNoDbl; + } }; template <typename JITAssembler, typename MacroAssembler, typename TargetPlatform> @@ -657,6 +664,13 @@ struct RegisterSizeDependentAssembler<JITAssembler, MacroAssembler, TargetPlatfo Jump jump = as->branchSub32(ResultCondition::NonZero, TrustedImm32(1), TargetPlatform::ScratchRegister); jump.linkTo(loop, as); } + + static Jump checkIfTagRegisterIsDouble(JITAssembler *as, RegisterID tagRegister) + { + as->rshift32(TrustedImm32(Value::IsDoubleTag_Shift), tagRegister); + Jump isNoDbl = as->branch32(RelationalCondition::Equal, tagRegister, TrustedImm32(0)); + return isNoDbl; + } }; template <typename TargetConfiguration> |