diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/assembler/MacroAssemblerX86Common.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/assembler/MacroAssemblerX86Common.h | 221 |
1 files changed, 201 insertions, 20 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/assembler/MacroAssemblerX86Common.h b/src/3rdparty/javascriptcore/JavaScriptCore/assembler/MacroAssemblerX86Common.h index cea691e..61e0e17 100644 --- a/src/3rdparty/javascriptcore/JavaScriptCore/assembler/MacroAssemblerX86Common.h +++ b/src/3rdparty/javascriptcore/JavaScriptCore/assembler/MacroAssemblerX86Common.h @@ -57,13 +57,14 @@ public: enum DoubleCondition { DoubleEqual = X86Assembler::ConditionE, + DoubleNotEqual = X86Assembler::ConditionNE, DoubleGreaterThan = X86Assembler::ConditionA, DoubleGreaterThanOrEqual = X86Assembler::ConditionAE, DoubleLessThan = X86Assembler::ConditionB, DoubleLessThanOrEqual = X86Assembler::ConditionBE, }; - static const RegisterID stackPointerRegister = X86::esp; + static const RegisterID stackPointerRegister = X86Registers::esp; // Integer arithmetic operations: // @@ -91,6 +92,11 @@ public: { m_assembler.addl_mr(src.offset, src.base, dest); } + + void add32(RegisterID src, Address dest) + { + m_assembler.addl_rm(src, dest.offset, dest.base); + } void and32(RegisterID src, RegisterID dest) { @@ -102,6 +108,16 @@ public: m_assembler.andl_ir(imm.m_value, dest); } + void and32(RegisterID src, Address dest) + { + m_assembler.andl_rm(src, dest.offset, dest.base); + } + + void and32(Address src, RegisterID dest) + { + m_assembler.andl_mr(src.offset, src.base, dest); + } + void and32(Imm32 imm, Address address) { m_assembler.andl_im(imm.m_value, address.offset, address.base); @@ -116,20 +132,20 @@ public: { // On x86 we can only shift by ecx; if asked to shift by another register we'll // need rejig the shift amount into ecx first, and restore the registers afterwards. - if (shift_amount != X86::ecx) { - swap(shift_amount, X86::ecx); + if (shift_amount != X86Registers::ecx) { + swap(shift_amount, X86Registers::ecx); // E.g. transform "shll %eax, %eax" -> "xchgl %eax, %ecx; shll %ecx, %ecx; xchgl %eax, %ecx" if (dest == shift_amount) - m_assembler.shll_CLr(X86::ecx); + m_assembler.shll_CLr(X86Registers::ecx); // E.g. transform "shll %eax, %ecx" -> "xchgl %eax, %ecx; shll %ecx, %eax; xchgl %eax, %ecx" - else if (dest == X86::ecx) + else if (dest == X86Registers::ecx) m_assembler.shll_CLr(shift_amount); // E.g. transform "shll %eax, %ebx" -> "xchgl %eax, %ecx; shll %ecx, %ebx; xchgl %eax, %ecx" else m_assembler.shll_CLr(dest); - swap(shift_amount, X86::ecx); + swap(shift_amount, X86Registers::ecx); } else m_assembler.shll_CLr(dest); } @@ -138,16 +154,36 @@ public: { m_assembler.imull_rr(src, dest); } + + void mul32(Address src, RegisterID dest) + { + m_assembler.imull_mr(src.offset, src.base, dest); + } void mul32(Imm32 imm, RegisterID src, RegisterID dest) { m_assembler.imull_i32r(src, imm.m_value, dest); } - + + void neg32(RegisterID srcDest) + { + m_assembler.negl_r(srcDest); + } + + void neg32(Address srcDest) + { + m_assembler.negl_m(srcDest.offset, srcDest.base); + } + void not32(RegisterID srcDest) { m_assembler.notl_r(srcDest); } + + void not32(Address srcDest) + { + m_assembler.notl_m(srcDest.offset, srcDest.base); + } void or32(RegisterID src, RegisterID dest) { @@ -159,6 +195,16 @@ public: m_assembler.orl_ir(imm.m_value, dest); } + void or32(RegisterID src, Address dest) + { + m_assembler.orl_rm(src, dest.offset, dest.base); + } + + void or32(Address src, RegisterID dest) + { + m_assembler.orl_mr(src.offset, src.base, dest); + } + void or32(Imm32 imm, Address address) { m_assembler.orl_im(imm.m_value, address.offset, address.base); @@ -168,20 +214,20 @@ public: { // On x86 we can only shift by ecx; if asked to shift by another register we'll // need rejig the shift amount into ecx first, and restore the registers afterwards. - if (shift_amount != X86::ecx) { - swap(shift_amount, X86::ecx); + if (shift_amount != X86Registers::ecx) { + swap(shift_amount, X86Registers::ecx); // E.g. transform "shll %eax, %eax" -> "xchgl %eax, %ecx; shll %ecx, %ecx; xchgl %eax, %ecx" if (dest == shift_amount) - m_assembler.sarl_CLr(X86::ecx); + m_assembler.sarl_CLr(X86Registers::ecx); // E.g. transform "shll %eax, %ecx" -> "xchgl %eax, %ecx; shll %ecx, %eax; xchgl %eax, %ecx" - else if (dest == X86::ecx) + else if (dest == X86Registers::ecx) m_assembler.sarl_CLr(shift_amount); // E.g. transform "shll %eax, %ebx" -> "xchgl %eax, %ecx; shll %ecx, %ebx; xchgl %eax, %ecx" else m_assembler.sarl_CLr(dest); - swap(shift_amount, X86::ecx); + swap(shift_amount, X86Registers::ecx); } else m_assembler.sarl_CLr(dest); } @@ -211,14 +257,35 @@ public: m_assembler.subl_mr(src.offset, src.base, dest); } + void sub32(RegisterID src, Address dest) + { + m_assembler.subl_rm(src, dest.offset, dest.base); + } + + void xor32(RegisterID src, RegisterID dest) { m_assembler.xorl_rr(src, dest); } - void xor32(Imm32 imm, RegisterID srcDest) + void xor32(Imm32 imm, Address dest) { - m_assembler.xorl_ir(imm.m_value, srcDest); + m_assembler.xorl_im(imm.m_value, dest.offset, dest.base); + } + + void xor32(Imm32 imm, RegisterID dest) + { + m_assembler.xorl_ir(imm.m_value, dest); + } + + void xor32(RegisterID src, Address dest) + { + m_assembler.xorl_rm(src, dest.offset, dest.base); + } + + void xor32(Address src, RegisterID dest) + { + m_assembler.xorl_mr(src.offset, src.base, dest); } @@ -300,6 +367,18 @@ public: m_assembler.addsd_mr(src.offset, src.base, dest); } + void divDouble(FPRegisterID src, FPRegisterID dest) + { + ASSERT(isSSE2Present()); + m_assembler.divsd_rr(src, dest); + } + + void divDouble(Address src, FPRegisterID dest) + { + ASSERT(isSSE2Present()); + m_assembler.divsd_mr(src.offset, src.base, dest); + } + void subDouble(FPRegisterID src, FPRegisterID dest) { ASSERT(isSSE2Present()); @@ -330,6 +409,11 @@ public: m_assembler.cvtsi2sd_rr(src, dest); } + void convertInt32ToDouble(Address src, FPRegisterID dest) + { + m_assembler.cvtsi2sd_mr(src.offset, src.base, dest); + } + Jump branchDouble(DoubleCondition cond, FPRegisterID left, FPRegisterID right) { ASSERT(isSSE2Present()); @@ -337,6 +421,12 @@ public: return Jump(m_assembler.jCC(x86Condition(cond))); } + Jump branchDouble(DoubleCondition cond, FPRegisterID left, Address right) + { + m_assembler.ucomisd_mr(right.offset, right.base, left); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + // Truncates 'src' to an integer, and places the resulting 'dest'. // If the result is not representable as a 32 bit value, branch. // May also branch for some values that are representable in 32 bits @@ -348,6 +438,12 @@ public: return branch32(Equal, dest, Imm32(0x80000000)); } + void zeroDouble(FPRegisterID srcDest) + { + ASSERT(isSSE2Present()); + m_assembler.xorpd_rr(srcDest, srcDest); + } + // Stack manipulation operations: // @@ -397,15 +493,13 @@ public: { // Note: on 64-bit this is is a full register move; perhaps it would be // useful to have separate move32 & movePtr, with move32 zero extending? - m_assembler.movq_rr(src, dest); + if (src != dest) + m_assembler.movq_rr(src, dest); } void move(ImmPtr imm, RegisterID dest) { - if (CAN_SIGN_EXTEND_U32_64(imm.asIntptr())) - m_assembler.movl_i32r(static_cast<int32_t>(imm.asIntptr()), dest); - else - m_assembler.movq_i64r(imm.asIntptr(), dest); + m_assembler.movq_i64r(imm.asIntptr(), dest); } void swap(RegisterID reg1, RegisterID reg2) @@ -605,12 +699,40 @@ public: return Jump(m_assembler.jCC(x86Condition(cond))); } + Jump branchAdd32(Condition cond, Imm32 src, Address dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + add32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + + Jump branchAdd32(Condition cond, RegisterID src, Address dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + add32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + + Jump branchAdd32(Condition cond, Address src, RegisterID dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + add32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + Jump branchMul32(Condition cond, RegisterID src, RegisterID dest) { ASSERT(cond == Overflow); mul32(src, dest); return Jump(m_assembler.jCC(x86Condition(cond))); } + + Jump branchMul32(Condition cond, Address src, RegisterID dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + mul32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } Jump branchMul32(Condition cond, Imm32 imm, RegisterID src, RegisterID dest) { @@ -632,7 +754,35 @@ public: sub32(imm, dest); return Jump(m_assembler.jCC(x86Condition(cond))); } - + + Jump branchSub32(Condition cond, Imm32 imm, Address dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + sub32(imm, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + + Jump branchSub32(Condition cond, RegisterID src, Address dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + sub32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + + Jump branchSub32(Condition cond, Address src, RegisterID dest) + { + ASSERT((cond == Overflow) || (cond == Zero) || (cond == NonZero)); + sub32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + + Jump branchOr32(Condition cond, RegisterID src, RegisterID dest) + { + ASSERT((cond == Signed) || (cond == Zero) || (cond == NonZero)); + or32(src, dest); + return Jump(m_assembler.jCC(x86Condition(cond))); + } + // Miscellaneous operations: @@ -661,6 +811,27 @@ public: m_assembler.ret(); } + void set8(Condition cond, RegisterID left, RegisterID right, RegisterID dest) + { + m_assembler.cmpl_rr(right, left); + m_assembler.setCC_r(x86Condition(cond), dest); + } + + void set8(Condition cond, Address left, RegisterID right, RegisterID dest) + { + m_assembler.cmpl_mr(left.offset, left.base, right); + m_assembler.setCC_r(x86Condition(cond), dest); + } + + void set8(Condition cond, RegisterID left, Imm32 right, RegisterID dest) + { + if (((cond == Equal) || (cond == NotEqual)) && !right.m_value) + m_assembler.testl_rr(left, left); + else + m_assembler.cmpl_ir(right.m_value, left); + m_assembler.setCC_r(x86Condition(cond), dest); + } + void set32(Condition cond, RegisterID left, RegisterID right, RegisterID dest) { m_assembler.cmpl_rr(right, left); @@ -682,6 +853,16 @@ public: // The mask should be optional... paerhaps the argument order should be // dest-src, operations always have a dest? ... possibly not true, considering // asm ops like test, or pseudo ops like pop(). + + void setTest8(Condition cond, Address address, Imm32 mask, RegisterID dest) + { + if (mask.m_value == -1) + m_assembler.cmpl_im(0, address.offset, address.base); + else + m_assembler.testl_i32m(mask.m_value, address.offset, address.base); + m_assembler.setCC_r(x86Condition(cond), dest); + } + void setTest32(Condition cond, Address address, Imm32 mask, RegisterID dest) { if (mask.m_value == -1) |