Changeset 209313 in webkit for trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.cpp

Timestamp:

Dec 4, 2016, 2:47:02 PM (8 years ago)

Author:

[email protected]

Message:

Add support for Wasm ctz and popcnt
​https://bugs.webkit.org/show_bug.cgi?id=165369

Reviewed by Saam Barati.

JSTests:

• wasm/function-tests/ctz.js: Added.
• wasm/function-tests/popcnt.js: Added.

Source/JavaScriptCore:

• assembler/MacroAssemblerARM64.h:

(JSC::MacroAssemblerARM64::countTrailingZeros32):
(JSC::MacroAssemblerARM64::countTrailingZeros64):

• assembler/MacroAssemblerX86Common.cpp:
• assembler/MacroAssemblerX86Common.h:

(JSC::MacroAssemblerX86Common::countTrailingZeros32):
(JSC::MacroAssemblerX86Common::supportsBMI1):
(JSC::MacroAssemblerX86Common::ctzAfterBsf):

• assembler/MacroAssemblerX86_64.h:

(JSC::MacroAssemblerX86_64::countTrailingZeros64):

• assembler/X86Assembler.h:

(JSC::X86Assembler::tzcnt_rr):
(JSC::X86Assembler::tzcntq_rr):
(JSC::X86Assembler::bsf_rr):
(JSC::X86Assembler::bsfq_rr):

• wasm/WasmB3IRGenerator.cpp:

(JSC::Wasm::B3IRGenerator::addOp<OpType::I32Ctz>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I64Ctz>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I32Popcnt>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I64Popcnt>):

• wasm/WasmFunctionParser.h:

(JSC::Wasm::FunctionParser<Context>::parseExpression):

File:

• trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/assembler/MacroAssemblerX86Common.cpp

@@ -556 +556 @@
 MacroAssemblerX86Common::CPUIDCheckState MacroAssemblerX86Common::s_avxCheckState = CPUIDCheckState::NotChecked;
 MacroAssemblerX86Common::CPUIDCheckState MacroAssemblerX86Common::s_lzcntCheckState = CPUIDCheckState::NotChecked;
+MacroAssemblerX86Common::CPUIDCheckState MacroAssemblerX86Common::s_bmi1CheckState = CPUIDCheckState::NotChecked;
 
 } // namespace JSC