diff options
| author | Ulf Hermann <ulf.hermann@qt.io> | 2019-02-22 11:37:59 +0100 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@qt.io> | 2019-04-18 11:49:23 +0000 |
| commit | 851387d40662cd82ff44a1792825265f82fe7ddf (patch) | |
| tree | 139e48a2ebcc7c71f53020a3e62b4865a500293c /src/3rdparty | |
| parent | fe8962aa455c7d2a094b0d8bf29e9662a3448719 (diff) | |
Enable back references in Yarr
The new version of Yarr has them and using them could give us some
performance benefits. Add the required load16 primitive for the ARM64
aseembler from webkit.
Change-Id: Ief498a353f9804c6b0f4ac091fb3707ffcb9f8cd
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Erik Verbruggen <erik.verbruggen@qt.io>
Diffstat (limited to 'src/3rdparty')
| -rw-r--r-- | src/3rdparty/masm/assembler/MacroAssemblerARM64.h | 8 | ||||
| -rw-r--r-- | src/3rdparty/masm/wtf/Platform.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/3rdparty/masm/assembler/MacroAssemblerARM64.h b/src/3rdparty/masm/assembler/MacroAssemblerARM64.h index e5a704292d..3e6dfcf635 100644 --- a/src/3rdparty/masm/assembler/MacroAssemblerARM64.h +++ b/src/3rdparty/masm/assembler/MacroAssemblerARM64.h @@ -1126,6 +1126,14 @@ public: m_assembler.ldrh(dest, address.base, memoryTempRegister); } + void load16(ExtendedAddress address, RegisterID dest) + { + moveToCachedReg(TrustedImmPtr(reinterpret_cast<void*>(address.offset)), m_cachedMemoryTempRegister); + m_assembler.ldrh(dest, memoryTempRegister, address.base, ARM64Assembler::UXTX, 1); + if (dest == memoryTempRegister) + m_cachedMemoryTempRegister.invalidate(); + } + void load16Unaligned(ImplicitAddress address, RegisterID dest) { load16(address, dest); diff --git a/src/3rdparty/masm/wtf/Platform.h b/src/3rdparty/masm/wtf/Platform.h index d5f69927db..bd66af7fe6 100644 --- a/src/3rdparty/masm/wtf/Platform.h +++ b/src/3rdparty/masm/wtf/Platform.h @@ -1051,6 +1051,7 @@ #if CPU(ARM64) || (CPU(X86_64) && !OS(WINDOWS)) /* Enable JIT'ing Regular Expressions that have nested parenthesis. */ #define ENABLE_YARR_JIT_ALL_PARENS_EXPRESSIONS 1 +#define ENABLE_YARR_JIT_BACKREFERENCES 1 #endif #endif |