Add support for truncation operators
https://bugs.webkit.org/show_bug.cgi?id=165519
Reviewed by Geoffrey Garen.
JSTests:
* wasm/function-tests/i32-trunc-s-f32.js: Added.
* wasm/function-tests/i32-trunc-s-f64.js: Added.
* wasm/function-tests/i32-trunc-u-f32.js: Added.
* wasm/function-tests/i32-trunc-u-f64.js: Added.
* wasm/function-tests/i64-trunc-s-f32.js: Added.
* wasm/function-tests/i64-trunc-s-f64.js: Added.
* wasm/function-tests/i64-trunc-u-f32.js: Added.
* wasm/function-tests/i64-trunc-u-f64.js: Added.
Source/JavaScriptCore:
This patch adds initial support for truncation operators. The current patch
does range based out of bounds checking, in the future we should use system
register flags on ARM and other tricks on X86 improve the performance of
these opcodes.
* assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::branchTruncateDoubleToInt32):
(JSC::MacroAssemblerARM64::truncateDoubleToInt64):
(JSC::MacroAssemblerARM64::truncateDoubleToUint64):
(JSC::MacroAssemblerARM64::truncateFloatToInt32):
(JSC::MacroAssemblerARM64::truncateFloatToUint32):
(JSC::MacroAssemblerARM64::truncateFloatToInt64):
(JSC::MacroAssemblerARM64::truncateFloatToUint64):
* assembler/MacroAssemblerX86Common.h:
(JSC::MacroAssemblerX86Common::truncateFloatToInt32):
(JSC::MacroAssemblerX86Common::truncateDoubleToUint32): Deleted.
* assembler/MacroAssemblerX86_64.h:
(JSC::MacroAssemblerX86_64::truncateDoubleToUint32):
(JSC::MacroAssemblerX86_64::truncateDoubleToInt64):
(JSC::MacroAssemblerX86_64::truncateDoubleToUint64):
(JSC::MacroAssemblerX86_64::truncateFloatToUint32):
(JSC::MacroAssemblerX86_64::truncateFloatToInt64):
(JSC::MacroAssemblerX86_64::truncateFloatToUint64):
* assembler/X86Assembler.h:
(JSC::X86Assembler::cvttss2si_rr):
(JSC::X86Assembler::cvttss2siq_rr):
* wasm/WasmB3IRGenerator.cpp:
(JSC::Wasm::B3IRGenerator::addOp<OpType::I32TruncSF64>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I32TruncSF32>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I32TruncUF64>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I32TruncUF32>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I64TruncSF64>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I64TruncUF64>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I64TruncSF32>):
(JSC::Wasm::B3IRGenerator::addOp<OpType::I64TruncUF32>):
* wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser<Context>::parseExpression):
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@209476 268f45cc-cd09-0410-ab3c-d52691b4dbfc
16 files changed
