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| author | Lars Knoll <lars.knoll@digia.com> | 2013-09-26 16:17:38 +0200 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-09-28 13:34:03 +0200 |
| commit | 23fae0a57aeecfb6219bb703c8188d546280ee70 (patch) | |
| tree | 310383154685625c1c1f30e01089466cd7f50535 /src | |
| parent | 62d1b5a08aa2c21c95a2a77afbe34c38ed37a2aa (diff) | |
Optimize storeReturnValue for double arguments
Change-Id: Icfe2ad49f6e12322b4d33fefc3c6de21cc3b6141
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/qml/compiler/qv4isel_masm_p.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/qml/compiler/qv4isel_masm_p.h b/src/qml/compiler/qv4isel_masm_p.h index 291ed106cd..a4550c63ed 100644 --- a/src/qml/compiler/qv4isel_masm_p.h +++ b/src/qml/compiler/qv4isel_masm_p.h @@ -617,9 +617,15 @@ public: void storeReturnValue(FPRegisterID dest) { +#ifdef VALUE_FITS_IN_REGISTER + move(TrustedImm64(QV4::Value::NaNEncodeMask), ScratchRegister); + xor64(ScratchRegister, ReturnValueRegister); + move64ToDouble(ReturnValueRegister, dest); +#else Pointer tmp(StackPointerRegister, -int(sizeof(QV4::Value))); storeReturnValue(tmp); loadDouble(tmp, dest); +#endif } #ifdef VALUE_FITS_IN_REGISTER |