diff options
Diffstat (limited to 'Source/JavaScriptCore/assembler/MacroAssemblerARM.h')
| -rw-r--r-- | Source/JavaScriptCore/assembler/MacroAssemblerARM.h | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/Source/JavaScriptCore/assembler/MacroAssemblerARM.h b/Source/JavaScriptCore/assembler/MacroAssemblerARM.h index 9c77e9349..e6b5ad383 100644 --- a/Source/JavaScriptCore/assembler/MacroAssemblerARM.h +++ b/Source/JavaScriptCore/assembler/MacroAssemblerARM.h @@ -570,11 +570,7 @@ public: Jump branch32(RelationalCondition cond, RegisterID left, TrustedImm32 right, int useConstantPool = 0) { - ARMWord tmp = (static_cast<unsigned>(right.m_value) == 0x80000000) ? ARMAssembler::InvalidImmediate : m_assembler.getOp2(-right.m_value); - if (tmp != ARMAssembler::InvalidImmediate) - m_assembler.cmn(left, tmp); - else - m_assembler.cmp(left, m_assembler.getImm(right.m_value, ARMRegisters::S0)); + internalCompare32(left, right); return Jump(m_assembler.jmp(ARMCondition(cond), useConstantPool)); } @@ -807,6 +803,14 @@ public: return Jump(m_assembler.jmp(ARMCondition(cond))); } + PatchableJump patchableBranch32(RelationalCondition cond, RegisterID reg, TrustedImm32 imm) + { + internalCompare32(reg, imm); + Jump jump(m_assembler.loadBranchTarget(ARMRegisters::S1, ARMCondition(cond), true)); + m_assembler.bx(ARMRegisters::S1, ARMCondition(cond)); + return PatchableJump(jump); + } + void breakpoint() { m_assembler.bkpt(0); @@ -1320,6 +1324,15 @@ private: friend class LinkBuffer; friend class RepatchBuffer; + void internalCompare32(RegisterID left, TrustedImm32 right) + { + ARMWord tmp = (static_cast<unsigned>(right.m_value) == 0x80000000) ? ARMAssembler::InvalidImmediate : m_assembler.getOp2(-right.m_value); + if (tmp != ARMAssembler::InvalidImmediate) + m_assembler.cmn(left, tmp); + else + m_assembler.cmp(left, m_assembler.getImm(right.m_value, ARMRegisters::S0)); + } + static void linkCall(void* code, Call call, FunctionPtr function) { ARMAssembler::linkCall(code, call.m_label, function.value()); |