diff options
Diffstat (limited to 'Source/JavaScriptCore/assembler/MacroAssemblerARM.h')
| -rw-r--r-- | Source/JavaScriptCore/assembler/MacroAssemblerARM.h | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/Source/JavaScriptCore/assembler/MacroAssemblerARM.h b/Source/JavaScriptCore/assembler/MacroAssemblerARM.h index 51173895a..c0cd766cb 100644 --- a/Source/JavaScriptCore/assembler/MacroAssemblerARM.h +++ b/Source/JavaScriptCore/assembler/MacroAssemblerARM.h @@ -108,6 +108,11 @@ public: add32(ARMRegisters::S1, dest); } + void add32(RegisterID src, TrustedImm32 imm, RegisterID dest) + { + m_assembler.adds_r(dest, src, m_assembler.getImm(imm.m_value, ARMRegisters::S0)); + } + void and32(RegisterID src, RegisterID dest) { m_assembler.ands_r(dest, dest, src); @@ -122,6 +127,15 @@ public: m_assembler.ands_r(dest, dest, w); } + void and32(TrustedImm32 imm, RegisterID src, RegisterID dest) + { + ARMWord w = m_assembler.getImm(imm.m_value, ARMRegisters::S0, true); + if (w & ARMAssembler::OP2_INV_IMM) + m_assembler.bics_r(dest, src, w & ~ARMAssembler::OP2_INV_IMM); + else + m_assembler.ands_r(dest, src, w); + } + void lshift32(RegisterID shift_amount, RegisterID dest) { ARMWord w = ARMAssembler::getOp2(0x1f); @@ -156,11 +170,6 @@ public: m_assembler.rsbs_r(srcDest, srcDest, ARMAssembler::getOp2(0)); } - void not32(RegisterID dest) - { - m_assembler.mvns_r(dest, dest); - } - void or32(RegisterID src, RegisterID dest) { m_assembler.orrs_r(dest, dest, src); @@ -232,6 +241,11 @@ public: sub32(ARMRegisters::S1, dest); } + void sub32(RegisterID src, TrustedImm32 imm, RegisterID dest) + { + m_assembler.subs_r(dest, src, m_assembler.getImm(imm.m_value, ARMRegisters::S0)); + } + void xor32(RegisterID src, RegisterID dest) { m_assembler.eors_r(dest, dest, src); @@ -239,7 +253,10 @@ public: void xor32(TrustedImm32 imm, RegisterID dest) { - m_assembler.eors_r(dest, dest, m_assembler.getImm(imm.m_value, ARMRegisters::S0)); + if (imm.m_value == -1) + m_assembler.mvns_r(dest, dest); + else + m_assembler.eors_r(dest, dest, m_assembler.getImm(imm.m_value, ARMRegisters::S0)); } void countLeadingZeros32(RegisterID src, RegisterID dest) @@ -547,6 +564,13 @@ public: return Jump(m_assembler.jmp(ARMCondition(cond))); } + Jump branchAdd32(ResultCondition cond, RegisterID src, TrustedImm32 imm, RegisterID dest) + { + ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); + add32(src, imm, dest); + return Jump(m_assembler.jmp(ARMCondition(cond))); + } + void mull32(RegisterID src1, RegisterID src2, RegisterID dest) { if (src1 == dest) { @@ -596,6 +620,13 @@ public: return Jump(m_assembler.jmp(ARMCondition(cond))); } + Jump branchSub32(ResultCondition cond, RegisterID src, TrustedImm32 imm, RegisterID dest) + { + ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); + sub32(src, imm, dest); + return Jump(m_assembler.jmp(ARMCondition(cond))); + } + Jump branchNeg32(ResultCondition cond, RegisterID srcDest) { ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); |