diff options
Diffstat (limited to 'JavaScriptCore/jit/JSInterfaceJIT.h')
| -rw-r--r-- | JavaScriptCore/jit/JSInterfaceJIT.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/JavaScriptCore/jit/JSInterfaceJIT.h b/JavaScriptCore/jit/JSInterfaceJIT.h index 12a6cfa..c85b94d 100644 --- a/JavaScriptCore/jit/JSInterfaceJIT.h +++ b/JavaScriptCore/jit/JSInterfaceJIT.h @@ -191,27 +191,32 @@ namespace JSC { inline JSInterfaceJIT::Jump JSInterfaceJIT::emitJumpIfNotJSCell(unsigned virtualRegisterIndex) { + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); return branch32(NotEqual, tagFor(virtualRegisterIndex), Imm32(JSValue::CellTag)); } inline JSInterfaceJIT::Jump JSInterfaceJIT::emitLoadInt32(unsigned virtualRegisterIndex, RegisterID dst) { + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); loadPtr(payloadFor(virtualRegisterIndex), dst); return branch32(NotEqual, tagFor(virtualRegisterIndex), Imm32(JSValue::Int32Tag)); } - inline JSInterfaceJIT::Address JSInterfaceJIT::tagFor(unsigned index, RegisterID base) + inline JSInterfaceJIT::Address JSInterfaceJIT::tagFor(unsigned virtualRegisterIndex, RegisterID base) { - return Address(base, (index * sizeof(Register)) + OBJECT_OFFSETOF(JSValue, u.asBits.tag)); + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); + return Address(base, (virtualRegisterIndex * sizeof(Register)) + OBJECT_OFFSETOF(JSValue, u.asBits.tag)); } - inline JSInterfaceJIT::Address JSInterfaceJIT::payloadFor(unsigned index, RegisterID base) + inline JSInterfaceJIT::Address JSInterfaceJIT::payloadFor(unsigned virtualRegisterIndex, RegisterID base) { - return Address(base, (index * sizeof(Register)) + OBJECT_OFFSETOF(JSValue, u.asBits.payload)); + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); + return Address(base, (virtualRegisterIndex * sizeof(Register)) + OBJECT_OFFSETOF(JSValue, u.asBits.payload)); } inline JSInterfaceJIT::Jump JSInterfaceJIT::emitLoadDouble(unsigned virtualRegisterIndex, FPRegisterID dst, RegisterID scratch) { + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); loadPtr(tagFor(virtualRegisterIndex), scratch); Jump isDouble = branch32(Below, scratch, Imm32(JSValue::LowestTag)); Jump notInt = branch32(NotEqual, scratch, Imm32(JSValue::Int32Tag)); @@ -297,15 +302,17 @@ namespace JSC { #endif #if !USE(JSVALUE32_64) - inline JSInterfaceJIT::Address JSInterfaceJIT::payloadFor(unsigned index, RegisterID base) + inline JSInterfaceJIT::Address JSInterfaceJIT::payloadFor(unsigned virtualRegisterIndex, RegisterID base) { - return addressFor(index, base); + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); + return addressFor(virtualRegisterIndex, base); } #endif - inline JSInterfaceJIT::Address JSInterfaceJIT::addressFor(unsigned index, RegisterID base) + inline JSInterfaceJIT::Address JSInterfaceJIT::addressFor(unsigned virtualRegisterIndex, RegisterID base) { - return Address(base, (index * sizeof(Register))); + ASSERT(static_cast<int>(virtualRegisterIndex) < FirstConstantRegisterIndex); + return Address(base, (virtualRegisterIndex * sizeof(Register))); } } |