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Diffstat (limited to 'src/3rdparty/masm/assembler/MacroAssemblerSH4.h')
| -rw-r--r-- | src/3rdparty/masm/assembler/MacroAssemblerSH4.h | 2293 |
1 files changed, 0 insertions, 2293 deletions
diff --git a/src/3rdparty/masm/assembler/MacroAssemblerSH4.h b/src/3rdparty/masm/assembler/MacroAssemblerSH4.h deleted file mode 100644 index 1e5a3113bb..0000000000 --- a/src/3rdparty/masm/assembler/MacroAssemblerSH4.h +++ /dev/null @@ -1,2293 +0,0 @@ -/* - * Copyright (C) 2009-2011 STMicroelectronics. All rights reserved. - * Copyright (C) 2008 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -#ifndef MacroAssemblerSH4_h -#define MacroAssemblerSH4_h - -#if ENABLE(ASSEMBLER) && CPU(SH4) - -#include "SH4Assembler.h" -#include "AbstractMacroAssembler.h" -#include <wtf/Assertions.h> - -namespace JSC { - -class MacroAssemblerSH4 : public AbstractMacroAssembler<SH4Assembler> { -public: - typedef SH4Assembler::FPRegisterID FPRegisterID; - - static const Scale ScalePtr = TimesFour; - static const FPRegisterID fscratch = SH4Registers::fr10; - static const RegisterID stackPointerRegister = SH4Registers::sp; - static const RegisterID linkRegister = SH4Registers::pr; - static const RegisterID scratchReg3 = SH4Registers::r13; - - static const int MaximumCompactPtrAlignedAddressOffset = 60; - - static bool isCompactPtrAlignedAddressOffset(ptrdiff_t value) - { - return (value >= 0) && (value <= MaximumCompactPtrAlignedAddressOffset); - } - - enum RelationalCondition { - Equal = SH4Assembler::EQ, - NotEqual = SH4Assembler::NE, - Above = SH4Assembler::HI, - AboveOrEqual = SH4Assembler::HS, - Below = SH4Assembler::LI, - BelowOrEqual = SH4Assembler::LS, - GreaterThan = SH4Assembler::GT, - GreaterThanOrEqual = SH4Assembler::GE, - LessThan = SH4Assembler::LT, - LessThanOrEqual = SH4Assembler::LE - }; - - enum ResultCondition { - Overflow = SH4Assembler::OF, - Signed = SH4Assembler::SI, - Zero = SH4Assembler::EQ, - NonZero = SH4Assembler::NE - }; - - enum DoubleCondition { - // These conditions will only evaluate to true if the comparison is ordered - i.e. neither operand is NaN. - DoubleEqual = SH4Assembler::EQ, - DoubleNotEqual = SH4Assembler::NE, - DoubleGreaterThan = SH4Assembler::GT, - DoubleGreaterThanOrEqual = SH4Assembler::GE, - DoubleLessThan = SH4Assembler::LT, - DoubleLessThanOrEqual = SH4Assembler::LE, - // If either operand is NaN, these conditions always evaluate to true. - DoubleEqualOrUnordered = SH4Assembler::EQU, - DoubleNotEqualOrUnordered = SH4Assembler::NEU, - DoubleGreaterThanOrUnordered = SH4Assembler::GTU, - DoubleGreaterThanOrEqualOrUnordered = SH4Assembler::GEU, - DoubleLessThanOrUnordered = SH4Assembler::LTU, - DoubleLessThanOrEqualOrUnordered = SH4Assembler::LEU, - }; - - RegisterID claimScratch() - { - return m_assembler.claimScratch(); - } - - void releaseScratch(RegisterID reg) - { - m_assembler.releaseScratch(reg); - } - - // Integer arithmetic operations - - void add32(RegisterID src, RegisterID dest) - { - m_assembler.addlRegReg(src, dest); - } - - void add32(TrustedImm32 imm, RegisterID dest) - { - if (m_assembler.isImmediate(imm.m_value)) { - m_assembler.addlImm8r(imm.m_value, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant(imm.m_value, scr); - m_assembler.addlRegReg(scr, dest); - releaseScratch(scr); - } - - void add32(TrustedImm32 imm, RegisterID src, RegisterID dest) - { - if (src != dest) - m_assembler.movlRegReg(src, dest); - add32(imm, dest); - } - - void add32(TrustedImm32 imm, Address address) - { - RegisterID scr = claimScratch(); - load32(address, scr); - add32(imm, scr); - store32(scr, address); - releaseScratch(scr); - } - - void add32(Address src, RegisterID dest) - { - RegisterID scr = claimScratch(); - load32(src, scr); - m_assembler.addlRegReg(scr, dest); - releaseScratch(scr); - } - - void add32(AbsoluteAddress src, RegisterID dest) - { - RegisterID scr = claimScratch(); - load32(src.m_ptr, scr); - m_assembler.addlRegReg(scr, dest); - releaseScratch(scr); - } - - void and32(RegisterID src, RegisterID dest) - { - m_assembler.andlRegReg(src, dest); - } - - void and32(TrustedImm32 imm, RegisterID dest) - { - if ((imm.m_value <= 255) && (imm.m_value >= 0) && (dest == SH4Registers::r0)) { - m_assembler.andlImm8r(imm.m_value, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant((imm.m_value), scr); - m_assembler.andlRegReg(scr, dest); - releaseScratch(scr); - } - - void and32(TrustedImm32 imm, RegisterID src, RegisterID dest) - { - if (src != dest) { - move(imm, dest); - and32(src, dest); - return; - } - - and32(imm, dest); - } - - void lshift32(RegisterID shiftamount, RegisterID dest) - { - if (shiftamount == SH4Registers::r0) - m_assembler.andlImm8r(0x1f, shiftamount); - else { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(0x1f, scr); - m_assembler.andlRegReg(scr, shiftamount); - releaseScratch(scr); - } - m_assembler.shllRegReg(dest, shiftamount); - } - - void rshift32(int imm, RegisterID dest) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(-imm, scr); - m_assembler.shaRegReg(dest, scr); - releaseScratch(scr); - } - - void lshift32(TrustedImm32 imm, RegisterID dest) - { - if (!imm.m_value) - return; - - if ((imm.m_value == 1) || (imm.m_value == 2) || (imm.m_value == 8) || (imm.m_value == 16)) { - m_assembler.shllImm8r(imm.m_value, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant((imm.m_value & 0x1f) , scr); - m_assembler.shllRegReg(dest, scr); - releaseScratch(scr); - } - - void lshift32(RegisterID src, TrustedImm32 shiftamount, RegisterID dest) - { - if (src != dest) - move(src, dest); - - lshift32(shiftamount, dest); - } - - void mul32(RegisterID src, RegisterID dest) - { - m_assembler.imullRegReg(src, dest); - m_assembler.stsmacl(dest); - } - - void mul32(TrustedImm32 imm, RegisterID src, RegisterID dest) - { - RegisterID scr = claimScratch(); - move(imm, scr); - if (src != dest) - move(src, dest); - mul32(scr, dest); - releaseScratch(scr); - } - - void or32(RegisterID src, RegisterID dest) - { - m_assembler.orlRegReg(src, dest); - } - - void or32(TrustedImm32 imm, RegisterID dest) - { - if ((imm.m_value <= 255) && (imm.m_value >= 0) && (dest == SH4Registers::r0)) { - m_assembler.orlImm8r(imm.m_value, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant(imm.m_value, scr); - m_assembler.orlRegReg(scr, dest); - releaseScratch(scr); - } - - void or32(RegisterID op1, RegisterID op2, RegisterID dest) - { - if (op1 == op2) - move(op1, dest); - else if (op1 == dest) - or32(op2, dest); - else { - move(op2, dest); - or32(op1, dest); - } - } - - -void or32(TrustedImm32 imm, RegisterID src, RegisterID dest) - { - if (src != dest) { - move(imm, dest); - or32(src, dest); - return; - } - - or32(imm, dest); - } - - void xor32(TrustedImm32 imm, RegisterID src, RegisterID dest) - { - if (src != dest) { - move(imm, dest); - xor32(src, dest); - return; - } - - xor32(imm, dest); - } - - void rshift32(RegisterID shiftamount, RegisterID dest) - { - if (shiftamount == SH4Registers::r0) - m_assembler.andlImm8r(0x1f, shiftamount); - else { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(0x1f, scr); - m_assembler.andlRegReg(scr, shiftamount); - releaseScratch(scr); - } - m_assembler.neg(shiftamount, shiftamount); - m_assembler.shaRegReg(dest, shiftamount); - } - - void rshift32(TrustedImm32 imm, RegisterID dest) - { - if (imm.m_value & 0x1f) - rshift32(imm.m_value & 0x1f, dest); - } - - void rshift32(RegisterID src, TrustedImm32 imm, RegisterID dest) - { - if (src != dest) - move(src, dest); - rshift32(imm, dest); - } - - void sub32(RegisterID src, RegisterID dest) - { - m_assembler.sublRegReg(src, dest); - } - - void sub32(TrustedImm32 imm, AbsoluteAddress address, RegisterID scratchReg) - { - RegisterID result = claimScratch(); - - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr), scratchReg); - m_assembler.movlMemReg(scratchReg, result); - - if (m_assembler.isImmediate(-imm.m_value)) - m_assembler.addlImm8r(-imm.m_value, result); - else { - m_assembler.loadConstant(imm.m_value, scratchReg3); - m_assembler.sublRegReg(scratchReg3, result); - } - - store32(result, scratchReg); - releaseScratch(result); - } - - void sub32(TrustedImm32 imm, AbsoluteAddress address) - { - RegisterID result = claimScratch(); - RegisterID scratchReg = claimScratch(); - - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr), scratchReg); - m_assembler.movlMemReg(scratchReg, result); - - if (m_assembler.isImmediate(-imm.m_value)) - m_assembler.addlImm8r(-imm.m_value, result); - else { - m_assembler.loadConstant(imm.m_value, scratchReg3); - m_assembler.sublRegReg(scratchReg3, result); - } - - store32(result, scratchReg); - releaseScratch(result); - releaseScratch(scratchReg); - } - - void add32(TrustedImm32 imm, AbsoluteAddress address, RegisterID scratchReg) - { - RegisterID result = claimScratch(); - - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr), scratchReg); - m_assembler.movlMemReg(scratchReg, result); - - if (m_assembler.isImmediate(imm.m_value)) - m_assembler.addlImm8r(imm.m_value, result); - else { - m_assembler.loadConstant(imm.m_value, scratchReg3); - m_assembler.addlRegReg(scratchReg3, result); - } - - store32(result, scratchReg); - releaseScratch(result); - } - - void add32(TrustedImm32 imm, AbsoluteAddress address) - { - RegisterID result = claimScratch(); - RegisterID scratchReg = claimScratch(); - - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr), scratchReg); - m_assembler.movlMemReg(scratchReg, result); - - if (m_assembler.isImmediate(imm.m_value)) - m_assembler.addlImm8r(imm.m_value, result); - else { - m_assembler.loadConstant(imm.m_value, scratchReg3); - m_assembler.addlRegReg(scratchReg3, result); - } - - store32(result, scratchReg); - releaseScratch(result); - releaseScratch(scratchReg); - } - - void add64(TrustedImm32 imm, AbsoluteAddress address) - { - RegisterID scr1 = claimScratch(); - RegisterID scr2 = claimScratch(); - - // Add 32-bit LSB first. - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr), scr1); - m_assembler.movlMemReg(scr1, scr1); // scr1 = 32-bit LSB of int64 @ address - m_assembler.loadConstant(imm.m_value, scr2); - m_assembler.clrt(); - m_assembler.addclRegReg(scr1, scr2); - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr), scr1); - m_assembler.movlRegMem(scr2, scr1); // Update address with 32-bit LSB result. - - // Then add 32-bit MSB. - m_assembler.addlImm8r(4, scr1); - m_assembler.movlMemReg(scr1, scr1); // scr1 = 32-bit MSB of int64 @ address - m_assembler.movt(scr2); - if (imm.m_value < 0) - m_assembler.addlImm8r(-1, scr2); // Sign extend imm value if needed. - m_assembler.addvlRegReg(scr2, scr1); - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address.m_ptr) + 4, scr2); - m_assembler.movlRegMem(scr1, scr2); // Update (address + 4) with 32-bit MSB result. - - releaseScratch(scr2); - releaseScratch(scr1); - } - - void sub32(TrustedImm32 imm, RegisterID dest) - { - if (m_assembler.isImmediate(-imm.m_value)) { - m_assembler.addlImm8r(-imm.m_value, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant(imm.m_value, scr); - m_assembler.sublRegReg(scr, dest); - releaseScratch(scr); - } - - void sub32(Address src, RegisterID dest) - { - RegisterID scr = claimScratch(); - load32(src, scr); - m_assembler.sublRegReg(scr, dest); - releaseScratch(scr); - } - - void xor32(RegisterID src, RegisterID dest) - { - m_assembler.xorlRegReg(src, dest); - } - - void xor32(TrustedImm32 imm, RegisterID srcDest) - { - if (imm.m_value == -1) { - m_assembler.notlReg(srcDest, srcDest); - return; - } - - if ((srcDest != SH4Registers::r0) || (imm.m_value > 255) || (imm.m_value < 0)) { - RegisterID scr = claimScratch(); - m_assembler.loadConstant((imm.m_value), scr); - m_assembler.xorlRegReg(scr, srcDest); - releaseScratch(scr); - return; - } - - m_assembler.xorlImm8r(imm.m_value, srcDest); - } - - void compare32(int imm, RegisterID dst, RelationalCondition cond) - { - if (((cond == Equal) || (cond == NotEqual)) && (dst == SH4Registers::r0) && m_assembler.isImmediate(imm)) { - m_assembler.cmpEqImmR0(imm, dst); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant(imm, scr); - m_assembler.cmplRegReg(scr, dst, SH4Condition(cond)); - releaseScratch(scr); - } - - void compare32(int offset, RegisterID base, RegisterID left, RelationalCondition cond) - { - RegisterID scr = claimScratch(); - if (!offset) { - m_assembler.movlMemReg(base, scr); - m_assembler.cmplRegReg(scr, left, SH4Condition(cond)); - releaseScratch(scr); - return; - } - - if ((offset < 0) || (offset >= 64)) { - m_assembler.loadConstant(offset, scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movlMemReg(scr, scr); - m_assembler.cmplRegReg(scr, left, SH4Condition(cond)); - releaseScratch(scr); - return; - } - - m_assembler.movlMemReg(offset >> 2, base, scr); - m_assembler.cmplRegReg(scr, left, SH4Condition(cond)); - releaseScratch(scr); - } - - void testImm(int imm, int offset, RegisterID base) - { - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - - if ((offset < 0) || (offset >= 64)) { - m_assembler.loadConstant(offset, scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movlMemReg(scr, scr); - } else if (offset) - m_assembler.movlMemReg(offset >> 2, base, scr); - else - m_assembler.movlMemReg(base, scr); - if (m_assembler.isImmediate(imm)) - m_assembler.movImm8(imm, scr1); - else - m_assembler.loadConstant(imm, scr1); - - m_assembler.testlRegReg(scr, scr1); - releaseScratch(scr); - releaseScratch(scr1); - } - - void testlImm(int imm, RegisterID dst) - { - if ((dst == SH4Registers::r0) && (imm <= 255) && (imm >= 0)) { - m_assembler.testlImm8r(imm, dst); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant(imm, scr); - m_assembler.testlRegReg(scr, dst); - releaseScratch(scr); - } - - void compare32(RegisterID right, int offset, RegisterID base, RelationalCondition cond) - { - if (!offset) { - RegisterID scr = claimScratch(); - m_assembler.movlMemReg(base, scr); - m_assembler.cmplRegReg(right, scr, SH4Condition(cond)); - releaseScratch(scr); - return; - } - - if ((offset < 0) || (offset >= 64)) { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(offset, scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movlMemReg(scr, scr); - m_assembler.cmplRegReg(right, scr, SH4Condition(cond)); - releaseScratch(scr); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.movlMemReg(offset >> 2, base, scr); - m_assembler.cmplRegReg(right, scr, SH4Condition(cond)); - releaseScratch(scr); - } - - void compare32(int imm, int offset, RegisterID base, RelationalCondition cond) - { - if (!offset) { - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - m_assembler.movlMemReg(base, scr); - m_assembler.loadConstant(imm, scr1); - m_assembler.cmplRegReg(scr1, scr, SH4Condition(cond)); - releaseScratch(scr1); - releaseScratch(scr); - return; - } - - if ((offset < 0) || (offset >= 64)) { - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - m_assembler.loadConstant(offset, scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movlMemReg(scr, scr); - m_assembler.loadConstant(imm, scr1); - m_assembler.cmplRegReg(scr1, scr, SH4Condition(cond)); - releaseScratch(scr1); - releaseScratch(scr); - return; - } - - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - m_assembler.movlMemReg(offset >> 2, base, scr); - m_assembler.loadConstant(imm, scr1); - m_assembler.cmplRegReg(scr1, scr, SH4Condition(cond)); - releaseScratch(scr1); - releaseScratch(scr); - } - - // Memory access operation - - void load32(ImplicitAddress address, RegisterID dest) - { - load32(address.base, address.offset, dest); - } - - void load8(ImplicitAddress address, RegisterID dest) - { - load8(address.base, address.offset, dest); - } - - void load8(BaseIndex address, RegisterID dest) - { - RegisterID scr = claimScratch(); - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - load8(scr, address.offset, dest); - releaseScratch(scr); - } - - void load8Signed(BaseIndex address, RegisterID dest) - { - RegisterID scr = claimScratch(); - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - load8Signed(scr, address.offset, dest); - releaseScratch(scr); - } - - void load32(BaseIndex address, RegisterID dest) - { - RegisterID scr = claimScratch(); - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - load32(scr, address.offset, dest); - releaseScratch(scr); - } - - void load32(const void* address, RegisterID dest) - { - m_assembler.loadConstant(reinterpret_cast<uint32_t>(const_cast<void*>(address)), dest); - m_assembler.movlMemReg(dest, dest); - } - - void load32(RegisterID base, int offset, RegisterID dest) - { - if (!offset) { - m_assembler.movlMemReg(base, dest); - return; - } - - if ((offset >= 0) && (offset < 64)) { - m_assembler.movlMemReg(offset >> 2, base, dest); - return; - } - - if ((dest == SH4Registers::r0) && (dest != base)) { - m_assembler.loadConstant((offset), dest); - m_assembler.movlR0mr(base, dest); - return; - } - - RegisterID scr; - if (dest == base) - scr = claimScratch(); - else - scr = dest; - m_assembler.loadConstant((offset), scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movlMemReg(scr, dest); - - if (dest == base) - releaseScratch(scr); - } - - void load8Signed(RegisterID base, int offset, RegisterID dest) - { - if (!offset) { - m_assembler.movbMemReg(base, dest); - return; - } - - if ((offset > 0) && (offset < 64) && (dest == SH4Registers::r0)) { - m_assembler.movbMemReg(offset, base, dest); - return; - } - - if (base != dest) { - m_assembler.loadConstant((offset), dest); - m_assembler.addlRegReg(base, dest); - m_assembler.movbMemReg(dest, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant((offset), scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movbMemReg(scr, dest); - releaseScratch(scr); - } - - void load8(RegisterID base, int offset, RegisterID dest) - { - if (!offset) { - m_assembler.movbMemReg(base, dest); - m_assembler.extub(dest, dest); - return; - } - - if ((offset > 0) && (offset < 64) && (dest == SH4Registers::r0)) { - m_assembler.movbMemReg(offset, base, dest); - m_assembler.extub(dest, dest); - return; - } - - if (base != dest) { - m_assembler.loadConstant((offset), dest); - m_assembler.addlRegReg(base, dest); - m_assembler.movbMemReg(dest, dest); - m_assembler.extub(dest, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant((offset), scr); - m_assembler.addlRegReg(base, scr); - m_assembler.movbMemReg(scr, dest); - m_assembler.extub(dest, dest); - releaseScratch(scr); - } - - void load32(RegisterID r0, RegisterID src, RegisterID dst) - { - ASSERT(r0 == SH4Registers::r0); - m_assembler.movlR0mr(src, dst); - } - - void load32(RegisterID src, RegisterID dst) - { - m_assembler.movlMemReg(src, dst); - } - - void load16(ImplicitAddress address, RegisterID dest) - { - if (!address.offset) { - m_assembler.movwMemReg(address.base, dest); - extuw(dest, dest); - return; - } - - if ((address.offset > 0) && (address.offset < 64) && (dest == SH4Registers::r0)) { - m_assembler.movwMemReg(address.offset, address.base, dest); - extuw(dest, dest); - return; - } - - if (address.base != dest) { - m_assembler.loadConstant((address.offset), dest); - m_assembler.addlRegReg(address.base, dest); - m_assembler.movwMemReg(dest, dest); - extuw(dest, dest); - return; - } - - RegisterID scr = claimScratch(); - m_assembler.loadConstant((address.offset), scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.movwMemReg(scr, dest); - extuw(dest, dest); - releaseScratch(scr); - } - - void load16Unaligned(BaseIndex address, RegisterID dest) - { - - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - - if (address.offset) - add32(TrustedImm32(address.offset), scr); - - add32(address.base, scr); - load8(scr, scr1); - add32(TrustedImm32(1), scr); - load8(scr, dest); - m_assembler.shllImm8r(8, dest); - or32(scr1, dest); - - releaseScratch(scr); - releaseScratch(scr1); - } - - void load16(RegisterID src, RegisterID dest) - { - m_assembler.movwMemReg(src, dest); - extuw(dest, dest); - } - - void load16Signed(RegisterID src, RegisterID dest) - { - m_assembler.movwMemReg(src, dest); - } - - void load16(RegisterID r0, RegisterID src, RegisterID dest) - { - ASSERT(r0 == SH4Registers::r0); - m_assembler.movwR0mr(src, dest); - extuw(dest, dest); - } - - void load16Signed(RegisterID r0, RegisterID src, RegisterID dest) - { - ASSERT(r0 == SH4Registers::r0); - m_assembler.movwR0mr(src, dest); - } - - void load16(BaseIndex address, RegisterID dest) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - - if (address.offset) - add32(TrustedImm32(address.offset), scr); - if (address.base == SH4Registers::r0) - load16(address.base, scr, dest); - else { - add32(address.base, scr); - load16(scr, dest); - } - - releaseScratch(scr); - } - - void load16Signed(BaseIndex address, RegisterID dest) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - - if (address.offset) - add32(TrustedImm32(address.offset), scr); - if (address.base == SH4Registers::r0) - load16Signed(address.base, scr, dest); - else { - add32(address.base, scr); - load16Signed(scr, dest); - } - - releaseScratch(scr); - } - - void store8(RegisterID src, BaseIndex address) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - - m_assembler.movbRegMem(src, scr); - - releaseScratch(scr); - } - - void store16(RegisterID src, BaseIndex address) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - - m_assembler.movwRegMem(src, scr); - - releaseScratch(scr); - } - - void store32(RegisterID src, ImplicitAddress address) - { - RegisterID scr = claimScratch(); - store32(src, address.offset, address.base, scr); - releaseScratch(scr); - } - - void store32(RegisterID src, int offset, RegisterID base, RegisterID scr) - { - if (!offset) { - m_assembler.movlRegMem(src, base); - return; - } - - if ((offset >=0) && (offset < 64)) { - m_assembler.movlRegMem(src, offset >> 2, base); - return; - } - - m_assembler.loadConstant((offset), scr); - if (scr == SH4Registers::r0) { - m_assembler.movlRegMemr0(src, base); - return; - } - - m_assembler.addlRegReg(base, scr); - m_assembler.movlRegMem(src, scr); - } - - void store32(RegisterID src, RegisterID offset, RegisterID base) - { - ASSERT(offset == SH4Registers::r0); - m_assembler.movlRegMemr0(src, base); - } - - void store32(RegisterID src, RegisterID dst) - { - m_assembler.movlRegMem(src, dst); - } - - void store32(TrustedImm32 imm, ImplicitAddress address) - { - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - m_assembler.loadConstant((imm.m_value), scr); - store32(scr, address.offset, address.base, scr1); - releaseScratch(scr); - releaseScratch(scr1); - } - - void store32(RegisterID src, BaseIndex address) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - store32(src, Address(scr, address.offset)); - - releaseScratch(scr); - } - - void store32(TrustedImm32 imm, void* address) - { - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - m_assembler.loadConstant((imm.m_value), scr); - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address), scr1); - m_assembler.movlRegMem(scr, scr1); - releaseScratch(scr); - releaseScratch(scr1); - } - - void store32(RegisterID src, void* address) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address), scr); - m_assembler.movlRegMem(src, scr); - releaseScratch(scr); - } - - DataLabel32 load32WithAddressOffsetPatch(Address address, RegisterID dest) - { - RegisterID scr = claimScratch(); - DataLabel32 label(this); - m_assembler.loadConstantUnReusable(address.offset, scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.movlMemReg(scr, dest); - releaseScratch(scr); - return label; - } - - DataLabel32 store32WithAddressOffsetPatch(RegisterID src, Address address) - { - RegisterID scr = claimScratch(); - DataLabel32 label(this); - m_assembler.loadConstantUnReusable(address.offset, scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.movlRegMem(src, scr); - releaseScratch(scr); - return label; - } - - DataLabelCompact load32WithCompactAddressOffsetPatch(Address address, RegisterID dest) - { - DataLabelCompact dataLabel(this); - ASSERT(address.offset <= MaximumCompactPtrAlignedAddressOffset); - ASSERT(address.offset >= 0); - m_assembler.movlMemRegCompact(address.offset >> 2, address.base, dest); - return dataLabel; - } - - ConvertibleLoadLabel convertibleLoadPtr(Address address, RegisterID dest) - { - ConvertibleLoadLabel result(this); - - RegisterID scr = claimScratch(); - m_assembler.movImm8(address.offset, scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.movlMemReg(scr, dest); - releaseScratch(scr); - - return result; - } - - // Floating-point operations - - static bool supportsFloatingPoint() { return true; } - static bool supportsFloatingPointTruncate() { return true; } - static bool supportsFloatingPointSqrt() { return true; } - static bool supportsFloatingPointAbs() { return false; } - - void moveDoubleToInts(FPRegisterID src, RegisterID dest1, RegisterID dest2) - { - m_assembler.fldsfpul((FPRegisterID)(src + 1)); - m_assembler.stsfpulReg(dest1); - m_assembler.fldsfpul(src); - m_assembler.stsfpulReg(dest2); - } - - void moveIntsToDouble(RegisterID src1, RegisterID src2, FPRegisterID dest, FPRegisterID scratch) - { - UNUSED_PARAM(scratch); - m_assembler.ldsrmfpul(src1); - m_assembler.fstsfpul((FPRegisterID)(dest + 1)); - m_assembler.ldsrmfpul(src2); - m_assembler.fstsfpul(dest); - } - - void loadFloat(BaseIndex address, FPRegisterID dest) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - if (address.offset) - add32(TrustedImm32(address.offset), scr); - - m_assembler.fmovsReadrm(scr, dest); - releaseScratch(scr); - } - - void loadDouble(BaseIndex address, FPRegisterID dest) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - if (address.offset) - add32(TrustedImm32(address.offset), scr); - - m_assembler.fmovsReadrminc(scr, (FPRegisterID)(dest + 1)); - m_assembler.fmovsReadrm(scr, dest); - releaseScratch(scr); - } - - void loadDouble(ImplicitAddress address, FPRegisterID dest) - { - RegisterID scr = claimScratch(); - - m_assembler.loadConstant(address.offset, scr); - if (address.base == SH4Registers::r0) { - m_assembler.fmovsReadr0r(scr, (FPRegisterID)(dest + 1)); - m_assembler.addlImm8r(4, scr); - m_assembler.fmovsReadr0r(scr, dest); - releaseScratch(scr); - return; - } - - m_assembler.addlRegReg(address.base, scr); - m_assembler.fmovsReadrminc(scr, (FPRegisterID)(dest + 1)); - m_assembler.fmovsReadrm(scr, dest); - releaseScratch(scr); - } - - void loadDouble(const void* address, FPRegisterID dest) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(reinterpret_cast<uint32_t>(address), scr); - m_assembler.fmovsReadrminc(scr, (FPRegisterID)(dest + 1)); - m_assembler.fmovsReadrm(scr, dest); - releaseScratch(scr); - } - - void storeFloat(FPRegisterID src, BaseIndex address) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - if (address.offset) - add32(TrustedImm32(address.offset), scr); - - m_assembler.fmovsWriterm(src, scr); - - releaseScratch(scr); - } - - void storeDouble(FPRegisterID src, ImplicitAddress address) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(address.offset, scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.fmovsWriterm((FPRegisterID)(src + 1), scr); - m_assembler.addlImm8r(4, scr); - m_assembler.fmovsWriterm(src, scr); - releaseScratch(scr); - } - - void storeDouble(FPRegisterID src, BaseIndex address) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - if (address.offset) - add32(TrustedImm32(address.offset), scr); - - m_assembler.fmovsWriterm((FPRegisterID)(src + 1), scr); - m_assembler.addlImm8r(4, scr); - m_assembler.fmovsWriterm(src, scr); - - releaseScratch(scr); - } - - void addDouble(FPRegisterID op1, FPRegisterID op2, FPRegisterID dest) - { - if (op1 == dest) - m_assembler.daddRegReg(op2, dest); - else { - m_assembler.dmovRegReg(op1, dest); - m_assembler.daddRegReg(op2, dest); - } - } - - void addDouble(FPRegisterID src, FPRegisterID dest) - { - m_assembler.daddRegReg(src, dest); - } - - void addDouble(AbsoluteAddress address, FPRegisterID dest) - { - loadDouble(address.m_ptr, fscratch); - addDouble(fscratch, dest); - } - - void addDouble(Address address, FPRegisterID dest) - { - loadDouble(address, fscratch); - addDouble(fscratch, dest); - } - - void subDouble(FPRegisterID src, FPRegisterID dest) - { - m_assembler.dsubRegReg(src, dest); - } - - void subDouble(Address address, FPRegisterID dest) - { - loadDouble(address, fscratch); - subDouble(fscratch, dest); - } - - void mulDouble(FPRegisterID src, FPRegisterID dest) - { - m_assembler.dmulRegReg(src, dest); - } - - void mulDouble(Address address, FPRegisterID dest) - { - loadDouble(address, fscratch); - mulDouble(fscratch, dest); - } - - void divDouble(FPRegisterID src, FPRegisterID dest) - { - m_assembler.ddivRegReg(src, dest); - } - - void convertFloatToDouble(FPRegisterID src, FPRegisterID dst) - { - m_assembler.fldsfpul(src); - m_assembler.dcnvsd(dst); - } - - void convertDoubleToFloat(FPRegisterID src, FPRegisterID dst) - { - m_assembler.dcnvds(src); - m_assembler.fstsfpul(dst); - } - - void convertInt32ToDouble(RegisterID src, FPRegisterID dest) - { - m_assembler.ldsrmfpul(src); - m_assembler.floatfpulDreg(dest); - } - - void convertInt32ToDouble(AbsoluteAddress src, FPRegisterID dest) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(reinterpret_cast<uint32_t>(src.m_ptr), scr); - convertInt32ToDouble(scr, dest); - releaseScratch(scr); - } - - void convertInt32ToDouble(Address src, FPRegisterID dest) - { - RegisterID scr = claimScratch(); - load32(src, scr); - convertInt32ToDouble(scr, dest); - releaseScratch(scr); - } - - void load32WithUnalignedHalfWords(BaseIndex address, RegisterID dest) - { - RegisterID scr = claimScratch(); - RegisterID scr1 = claimScratch(); - Jump m_jump; - JumpList end; - - if (dest != SH4Registers::r0) - move(SH4Registers::r0, scr1); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - - if (address.offset) - add32(TrustedImm32(address.offset), scr); - - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 68, sizeof(uint32_t)); - move(scr, SH4Registers::r0); - m_assembler.andlImm8r(0x3, SH4Registers::r0); - m_assembler.cmpEqImmR0(0x0, SH4Registers::r0); - m_jump = Jump(m_assembler.jne(), SH4Assembler::JumpNear); - if (dest != SH4Registers::r0) - move(scr1, SH4Registers::r0); - - load32(scr, dest); - end.append(Jump(m_assembler.bra(), SH4Assembler::JumpNear)); - m_assembler.nop(); - m_jump.link(this); - m_assembler.andlImm8r(0x1, SH4Registers::r0); - m_assembler.cmpEqImmR0(0x0, SH4Registers::r0); - - if (dest != SH4Registers::r0) - move(scr1, SH4Registers::r0); - - m_jump = Jump(m_assembler.jne(), SH4Assembler::JumpNear); - load16(scr, scr1); - add32(TrustedImm32(2), scr); - load16(scr, dest); - m_assembler.shllImm8r(16, dest); - or32(scr1, dest); - end.append(Jump(m_assembler.bra(), SH4Assembler::JumpNear)); - m_assembler.nop(); - m_jump.link(this); - load8(scr, scr1); - add32(TrustedImm32(1), scr); - load16(scr, dest); - m_assembler.shllImm8r(8, dest); - or32(dest, scr1); - add32(TrustedImm32(2), scr); - load8(scr, dest); - m_assembler.shllImm8r(8, dest); - m_assembler.shllImm8r(16, dest); - or32(scr1, dest); - end.link(this); - - releaseScratch(scr); - releaseScratch(scr1); - } - - Jump branch32WithUnalignedHalfWords(RelationalCondition cond, BaseIndex left, TrustedImm32 right) - { - RegisterID scr = scratchReg3; - load32WithUnalignedHalfWords(left, scr); - if (((cond == Equal) || (cond == NotEqual)) && !right.m_value) - m_assembler.testlRegReg(scr, scr); - else - compare32(right.m_value, scr, cond); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branchDoubleNonZero(FPRegisterID reg, FPRegisterID scratch) - { - m_assembler.movImm8(0, scratchReg3); - convertInt32ToDouble(scratchReg3, scratch); - return branchDouble(DoubleNotEqual, reg, scratch); - } - - Jump branchDoubleZeroOrNaN(FPRegisterID reg, FPRegisterID scratch) - { - m_assembler.movImm8(0, scratchReg3); - convertInt32ToDouble(scratchReg3, scratch); - return branchDouble(DoubleEqualOrUnordered, reg, scratch); - } - - Jump branchDouble(DoubleCondition cond, FPRegisterID left, FPRegisterID right) - { - if (cond == DoubleEqual) { - m_assembler.dcmppeq(right, left); - return branchTrue(); - } - - if (cond == DoubleNotEqual) { - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppeq(right, left); - releaseScratch(scr); - Jump m_jump = branchFalse(); - end.link(this); - return m_jump; - } - - if (cond == DoubleGreaterThan) { - m_assembler.dcmppgt(right, left); - return branchTrue(); - } - - if (cond == DoubleGreaterThanOrEqual) { - m_assembler.dcmppgt(left, right); - return branchFalse(); - } - - if (cond == DoubleLessThan) { - m_assembler.dcmppgt(left, right); - return branchTrue(); - } - - if (cond == DoubleLessThanOrEqual) { - m_assembler.dcmppgt(right, left); - return branchFalse(); - } - - if (cond == DoubleEqualOrUnordered) { - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppeq(left, right); - Jump m_jump = Jump(m_assembler.je()); - end.link(this); - m_assembler.extraInstrForBranch(scr); - releaseScratch(scr); - return m_jump; - } - - if (cond == DoubleGreaterThanOrUnordered) { - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppgt(right, left); - Jump m_jump = Jump(m_assembler.je()); - end.link(this); - m_assembler.extraInstrForBranch(scr); - releaseScratch(scr); - return m_jump; - } - - if (cond == DoubleGreaterThanOrEqualOrUnordered) { - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppgt(left, right); - Jump m_jump = Jump(m_assembler.jne()); - end.link(this); - m_assembler.extraInstrForBranch(scr); - releaseScratch(scr); - return m_jump; - } - - if (cond == DoubleLessThanOrUnordered) { - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppgt(left, right); - Jump m_jump = Jump(m_assembler.je()); - end.link(this); - m_assembler.extraInstrForBranch(scr); - releaseScratch(scr); - return m_jump; - } - - if (cond == DoubleLessThanOrEqualOrUnordered) { - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppgt(right, left); - Jump m_jump = Jump(m_assembler.jne()); - end.link(this); - m_assembler.extraInstrForBranch(scr); - releaseScratch(scr); - return m_jump; - } - - ASSERT(cond == DoubleNotEqualOrUnordered); - RegisterID scr = claimScratch(); - JumpList end; - m_assembler.loadConstant(0x7fbfffff, scratchReg3); - m_assembler.dcnvds(right); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 22, sizeof(uint32_t)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcnvds(left); - m_assembler.stsfpulReg(scr); - m_assembler.cmplRegReg(scratchReg3, scr, SH4Condition(Equal)); - end.append(Jump(m_assembler.je(), SH4Assembler::JumpNear)); - m_assembler.dcmppeq(right, left); - Jump m_jump = Jump(m_assembler.jne()); - end.link(this); - m_assembler.extraInstrForBranch(scr); - releaseScratch(scr); - return m_jump; - } - - Jump branchTrue() - { - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 6, sizeof(uint32_t)); - Jump m_jump = Jump(m_assembler.je()); - m_assembler.extraInstrForBranch(scratchReg3); - return m_jump; - } - - Jump branchFalse() - { - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 6, sizeof(uint32_t)); - Jump m_jump = Jump(m_assembler.jne()); - m_assembler.extraInstrForBranch(scratchReg3); - return m_jump; - } - - Jump branch32(RelationalCondition cond, BaseIndex left, TrustedImm32 right) - { - RegisterID scr = claimScratch(); - move(left.index, scr); - lshift32(TrustedImm32(left.scale), scr); - add32(left.base, scr); - load32(scr, left.offset, scr); - compare32(right.m_value, scr, cond); - releaseScratch(scr); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - void sqrtDouble(FPRegisterID src, FPRegisterID dest) - { - if (dest != src) - m_assembler.dmovRegReg(src, dest); - m_assembler.dsqrt(dest); - } - - void absDouble(FPRegisterID, FPRegisterID) - { - RELEASE_ASSERT_NOT_REACHED(); - } - - Jump branchTest8(ResultCondition cond, Address address, TrustedImm32 mask = TrustedImm32(-1)) - { - RegisterID addressTempRegister = claimScratch(); - load8(address, addressTempRegister); - Jump jmp = branchTest32(cond, addressTempRegister, mask); - releaseScratch(addressTempRegister); - return jmp; - } - - Jump branchTest8(ResultCondition cond, AbsoluteAddress address, TrustedImm32 mask = TrustedImm32(-1)) - { - RegisterID addressTempRegister = claimScratch(); - move(TrustedImmPtr(address.m_ptr), addressTempRegister); - load8(Address(addressTempRegister), addressTempRegister); - Jump jmp = branchTest32(cond, addressTempRegister, mask); - releaseScratch(addressTempRegister); - return jmp; - } - - void signExtend32ToPtr(RegisterID src, RegisterID dest) - { - if (src != dest) - move(src, dest); - } - - Jump branch8(RelationalCondition cond, Address left, TrustedImm32 right) - { - RegisterID addressTempRegister = claimScratch(); - load8(left, addressTempRegister); - Jump jmp = branch32(cond, addressTempRegister, right); - releaseScratch(addressTempRegister); - return jmp; - } - - void compare8(RelationalCondition cond, Address left, TrustedImm32 right, RegisterID dest) - { - RegisterID addressTempRegister = claimScratch(); - load8(left, addressTempRegister); - compare32(cond, addressTempRegister, right, dest); - releaseScratch(addressTempRegister); - } - - Jump branchTruncateDoubleToInt32(FPRegisterID src, RegisterID dest) - { - m_assembler.ftrcdrmfpul(src); - m_assembler.stsfpulReg(dest); - m_assembler.loadConstant(0x7fffffff, scratchReg3); - m_assembler.cmplRegReg(dest, scratchReg3, SH4Condition(Equal)); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 14, sizeof(uint32_t)); - m_assembler.branch(BT_OPCODE, 2); - m_assembler.addlImm8r(1, scratchReg3); - m_assembler.cmplRegReg(dest, scratchReg3, SH4Condition(Equal)); - return branchTrue(); - } - - // Stack manipulation operations - - void pop(RegisterID dest) - { - m_assembler.popReg(dest); - } - - void push(RegisterID src) - { - m_assembler.pushReg(src); - } - - void push(Address address) - { - if (!address.offset) { - push(address.base); - return; - } - - if ((address.offset < 0) || (address.offset >= 64)) { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(address.offset, scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.movlMemReg(scr, SH4Registers::sp); - m_assembler.addlImm8r(-4, SH4Registers::sp); - releaseScratch(scr); - return; - } - - m_assembler.movlMemReg(address.offset >> 2, address.base, SH4Registers::sp); - m_assembler.addlImm8r(-4, SH4Registers::sp); - } - - void push(TrustedImm32 imm) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(imm.m_value, scr); - push(scr); - releaseScratch(scr); - } - - // Register move operations - - void move(TrustedImm32 imm, RegisterID dest) - { - m_assembler.loadConstant(imm.m_value, dest); - } - - DataLabelPtr moveWithPatch(TrustedImmPtr initialValue, RegisterID dest) - { - m_assembler.ensureSpace(m_assembler.maxInstructionSize, sizeof(uint32_t)); - DataLabelPtr dataLabel(this); - m_assembler.loadConstantUnReusable(reinterpret_cast<uint32_t>(initialValue.m_value), dest); - return dataLabel; - } - - void move(RegisterID src, RegisterID dest) - { - if (src != dest) - m_assembler.movlRegReg(src, dest); - } - - void move(TrustedImmPtr imm, RegisterID dest) - { - m_assembler.loadConstant(imm.asIntptr(), dest); - } - - void extuw(RegisterID src, RegisterID dst) - { - m_assembler.extuw(src, dst); - } - - void compare32(RelationalCondition cond, RegisterID left, RegisterID right, RegisterID dest) - { - m_assembler.cmplRegReg(right, left, SH4Condition(cond)); - if (cond != NotEqual) { - m_assembler.movt(dest); - return; - } - - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 4); - m_assembler.movImm8(0, dest); - m_assembler.branch(BT_OPCODE, 0); - m_assembler.movImm8(1, dest); - } - - void compare32(RelationalCondition cond, RegisterID left, TrustedImm32 right, RegisterID dest) - { - if (left != dest) { - move(right, dest); - compare32(cond, left, dest, dest); - return; - } - - RegisterID scr = claimScratch(); - move(right, scr); - compare32(cond, left, scr, dest); - releaseScratch(scr); - } - - void test8(ResultCondition cond, Address address, TrustedImm32 mask, RegisterID dest) - { - ASSERT((cond == Zero) || (cond == NonZero)); - - load8(address, dest); - if (mask.m_value == -1) - compare32(0, dest, static_cast<RelationalCondition>(cond)); - else - testlImm(mask.m_value, dest); - if (cond != NonZero) { - m_assembler.movt(dest); - return; - } - - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 4); - m_assembler.movImm8(0, dest); - m_assembler.branch(BT_OPCODE, 0); - m_assembler.movImm8(1, dest); - } - - void loadPtrLinkReg(ImplicitAddress address) - { - RegisterID scr = claimScratch(); - load32(address, scr); - m_assembler.ldspr(scr); - releaseScratch(scr); - } - - Jump branch32(RelationalCondition cond, RegisterID left, RegisterID right) - { - m_assembler.cmplRegReg(right, left, SH4Condition(cond)); - /* BT label => BF off - nop LDR reg - nop braf @reg - nop nop - */ - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch32(RelationalCondition cond, RegisterID left, TrustedImm32 right) - { - if (((cond == Equal) || (cond == NotEqual)) && !right.m_value) - m_assembler.testlRegReg(left, left); - else - compare32(right.m_value, left, cond); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch32(RelationalCondition cond, RegisterID left, Address right) - { - compare32(right.offset, right.base, left, cond); - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch32(RelationalCondition cond, Address left, RegisterID right) - { - compare32(right, left.offset, left.base, cond); - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch32(RelationalCondition cond, Address left, TrustedImm32 right) - { - compare32(right.m_value, left.offset, left.base, cond); - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch32(RelationalCondition cond, AbsoluteAddress left, RegisterID right) - { - RegisterID scr = claimScratch(); - - move(TrustedImm32(reinterpret_cast<uint32_t>(left.m_ptr)), scr); - m_assembler.cmplRegReg(right, scr, SH4Condition(cond)); - releaseScratch(scr); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch32(RelationalCondition cond, AbsoluteAddress left, TrustedImm32 right) - { - RegisterID addressTempRegister = claimScratch(); - - m_assembler.loadConstant(reinterpret_cast<uint32_t>(left.m_ptr), addressTempRegister); - m_assembler.movlMemReg(addressTempRegister, addressTempRegister); - compare32(right.m_value, addressTempRegister, cond); - releaseScratch(addressTempRegister); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branch8(RelationalCondition cond, BaseIndex left, TrustedImm32 right) - { - ASSERT(!(right.m_value & 0xFFFFFF00)); - RegisterID scr = claimScratch(); - - move(left.index, scr); - lshift32(TrustedImm32(left.scale), scr); - - if (left.offset) - add32(TrustedImm32(left.offset), scr); - add32(left.base, scr); - load8(scr, scr); - RegisterID scr1 = claimScratch(); - m_assembler.loadConstant(right.m_value, scr1); - releaseScratch(scr); - releaseScratch(scr1); - - return branch32(cond, scr, scr1); - } - - Jump branchTest32(ResultCondition cond, RegisterID reg, RegisterID mask) - { - ASSERT((cond == Zero) || (cond == NonZero)); - - m_assembler.testlRegReg(reg, mask); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchTest32(ResultCondition cond, RegisterID reg, TrustedImm32 mask = TrustedImm32(-1)) - { - ASSERT((cond == Zero) || (cond == NonZero)); - - if (mask.m_value == -1) - m_assembler.testlRegReg(reg, reg); - else - testlImm(mask.m_value, reg); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchTest32(ResultCondition cond, Address address, TrustedImm32 mask = TrustedImm32(-1)) - { - ASSERT((cond == Zero) || (cond == NonZero)); - - if (mask.m_value == -1) - compare32(0, address.offset, address.base, static_cast<RelationalCondition>(cond)); - else - testImm(mask.m_value, address.offset, address.base); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchTest32(ResultCondition cond, BaseIndex address, TrustedImm32 mask = TrustedImm32(-1)) - { - RegisterID scr = claimScratch(); - - move(address.index, scr); - lshift32(TrustedImm32(address.scale), scr); - add32(address.base, scr); - load32(scr, address.offset, scr); - - if (mask.m_value == -1) - m_assembler.testlRegReg(scr, scr); - else - testlImm(mask.m_value, scr); - - releaseScratch(scr); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump jump() - { - return Jump(m_assembler.jmp()); - } - - void jump(RegisterID target) - { - m_assembler.jmpReg(target); - } - - void jump(Address address) - { - RegisterID scr = claimScratch(); - - if ((address.offset < 0) || (address.offset >= 64)) { - m_assembler.loadConstant(address.offset, scr); - m_assembler.addlRegReg(address.base, scr); - m_assembler.movlMemReg(scr, scr); - } else if (address.offset) - m_assembler.movlMemReg(address.offset >> 2, address.base, scr); - else - m_assembler.movlMemReg(address.base, scr); - m_assembler.jmpReg(scr); - - releaseScratch(scr); - } - - // Arithmetic control flow operations - - Jump branchAdd32(ResultCondition cond, RegisterID src, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - if (cond == Overflow) { - m_assembler.addvlRegReg(src, dest); - return branchTrue(); - } - - if (cond == Signed) { - m_assembler.addlRegReg(src, dest); - // Check if dest is negative - m_assembler.cmppz(dest); - return branchFalse(); - } - - m_assembler.addlRegReg(src, dest); - compare32(0, dest, Equal); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchAdd32(ResultCondition cond, TrustedImm32 imm, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - move(imm, scratchReg3); - return branchAdd32(cond, scratchReg3, dest); - } - - Jump branchAdd32(ResultCondition cond, RegisterID src, TrustedImm32 imm, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - if (src != dest) - move(src, dest); - - if (cond == Overflow) { - move(imm, scratchReg3); - m_assembler.addvlRegReg(scratchReg3, dest); - return branchTrue(); - } - - add32(imm, dest); - - if (cond == Signed) { - m_assembler.cmppz(dest); - return branchFalse(); - } - - compare32(0, dest, Equal); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchMul32(ResultCondition cond, RegisterID src, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - if (cond == Overflow) { - RegisterID scr1 = claimScratch(); - RegisterID scr = claimScratch(); - m_assembler.dmullRegReg(src, dest); - m_assembler.stsmacl(dest); - m_assembler.movImm8(-31, scr); - m_assembler.movlRegReg(dest, scr1); - m_assembler.shaRegReg(scr1, scr); - m_assembler.stsmach(scr); - m_assembler.cmplRegReg(scr, scr1, SH4Condition(Equal)); - releaseScratch(scr1); - releaseScratch(scr); - return branchFalse(); - } - - m_assembler.imullRegReg(src, dest); - m_assembler.stsmacl(dest); - if (cond == Signed) { - // Check if dest is negative - m_assembler.cmppz(dest); - return branchFalse(); - } - - compare32(0, dest, static_cast<RelationalCondition>(cond)); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchMul32(ResultCondition cond, TrustedImm32 imm, RegisterID src, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - move(imm, scratchReg3); - if (src != dest) - move(src, dest); - - return branchMul32(cond, scratchReg3, dest); - } - - Jump branchSub32(ResultCondition cond, RegisterID src, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - if (cond == Overflow) { - m_assembler.subvlRegReg(src, dest); - return branchTrue(); - } - - if (cond == Signed) { - // Check if dest is negative - m_assembler.sublRegReg(src, dest); - compare32(0, dest, LessThan); - return branchTrue(); - } - - sub32(src, dest); - compare32(0, dest, static_cast<RelationalCondition>(cond)); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - Jump branchSub32(ResultCondition cond, TrustedImm32 imm, RegisterID dest) - { - ASSERT((cond == Overflow) || (cond == Signed) || (cond == Zero) || (cond == NonZero)); - - move(imm, scratchReg3); - return branchSub32(cond, scratchReg3, dest); - } - - Jump branchSub32(ResultCondition cond, RegisterID src, TrustedImm32 imm, RegisterID dest) - { - move(imm, scratchReg3); - if (src != dest) - move(src, dest); - return branchSub32(cond, scratchReg3, dest); - } - - Jump branchSub32(ResultCondition cond, RegisterID src1, RegisterID src2, RegisterID dest) - { - if (src1 != dest) - move(src1, dest); - return branchSub32(cond, src2, dest); - } - - Jump branchOr32(ResultCondition cond, RegisterID src, RegisterID dest) - { - ASSERT((cond == Signed) || (cond == Zero) || (cond == NonZero)); - - if (cond == Signed) { - or32(src, dest); - compare32(0, dest, static_cast<RelationalCondition>(LessThan)); - return branchTrue(); - } - - or32(src, dest); - compare32(0, dest, static_cast<RelationalCondition>(cond)); - - if (cond == NonZero) // NotEqual - return branchFalse(); - return branchTrue(); - } - - void branchConvertDoubleToInt32(FPRegisterID src, RegisterID dest, JumpList& failureCases, FPRegisterID fpTemp) - { - m_assembler.ftrcdrmfpul(src); - m_assembler.stsfpulReg(dest); - convertInt32ToDouble(dest, fscratch); - failureCases.append(branchDouble(DoubleNotEqualOrUnordered, fscratch, src)); - - if (dest == SH4Registers::r0) - m_assembler.cmpEqImmR0(0, dest); - else { - m_assembler.movImm8(0, scratchReg3); - m_assembler.cmplRegReg(scratchReg3, dest, SH4Condition(Equal)); - } - failureCases.append(branchTrue()); - } - - void neg32(RegisterID dst) - { - m_assembler.neg(dst, dst); - } - - void urshift32(RegisterID shiftamount, RegisterID dest) - { - if (shiftamount == SH4Registers::r0) - m_assembler.andlImm8r(0x1f, shiftamount); - else { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(0x1f, scr); - m_assembler.andlRegReg(scr, shiftamount); - releaseScratch(scr); - } - m_assembler.neg(shiftamount, shiftamount); - m_assembler.shllRegReg(dest, shiftamount); - } - - void urshift32(TrustedImm32 imm, RegisterID dest) - { - RegisterID scr = claimScratch(); - m_assembler.loadConstant(-(imm.m_value & 0x1f), scr); - m_assembler.shaRegReg(dest, scr); - releaseScratch(scr); - } - - void urshift32(RegisterID src, TrustedImm32 shiftamount, RegisterID dest) - { - if (src != dest) - move(src, dest); - - urshift32(shiftamount, dest); - } - - Call call() - { - return Call(m_assembler.call(), Call::Linkable); - } - - Call nearCall() - { - return Call(m_assembler.call(), Call::LinkableNear); - } - - Call call(RegisterID target) - { - return Call(m_assembler.call(target), Call::None); - } - - void call(Address address, RegisterID target) - { - load32(address.base, address.offset, target); - m_assembler.ensureSpace(m_assembler.maxInstructionSize + 2); - m_assembler.branch(JSR_OPCODE, target); - m_assembler.nop(); - } - - void breakpoint() - { - m_assembler.bkpt(); - m_assembler.nop(); - } - - Jump branchPtrWithPatch(RelationalCondition cond, RegisterID left, DataLabelPtr& dataLabel, TrustedImmPtr initialRightValue = TrustedImmPtr(0)) - { - RegisterID dataTempRegister = claimScratch(); - - dataLabel = moveWithPatch(initialRightValue, dataTempRegister); - m_assembler.cmplRegReg(dataTempRegister, left, SH4Condition(cond)); - releaseScratch(dataTempRegister); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - Jump branchPtrWithPatch(RelationalCondition cond, Address left, DataLabelPtr& dataLabel, TrustedImmPtr initialRightValue = TrustedImmPtr(0)) - { - RegisterID scr = claimScratch(); - - m_assembler.loadConstant(left.offset, scr); - m_assembler.addlRegReg(left.base, scr); - m_assembler.movlMemReg(scr, scr); - RegisterID scr1 = claimScratch(); - dataLabel = moveWithPatch(initialRightValue, scr1); - m_assembler.cmplRegReg(scr1, scr, SH4Condition(cond)); - releaseScratch(scr); - releaseScratch(scr1); - - if (cond == NotEqual) - return branchFalse(); - return branchTrue(); - } - - void ret() - { - m_assembler.ret(); - m_assembler.nop(); - } - - DataLabelPtr storePtrWithPatch(TrustedImmPtr initialValue, ImplicitAddress address) - { - RegisterID scr = claimScratch(); - DataLabelPtr label = moveWithPatch(initialValue, scr); - store32(scr, address); - releaseScratch(scr); - return label; - } - - DataLabelPtr storePtrWithPatch(ImplicitAddress address) { return storePtrWithPatch(TrustedImmPtr(0), address); } - - int sizeOfConstantPool() - { - return m_assembler.sizeOfConstantPool(); - } - - Call tailRecursiveCall() - { - RegisterID scr = claimScratch(); - - m_assembler.loadConstantUnReusable(0x0, scr, true); - Jump m_jump = Jump(m_assembler.jmp(scr)); - releaseScratch(scr); - - return Call::fromTailJump(m_jump); - } - - Call makeTailRecursiveCall(Jump oldJump) - { - oldJump.link(this); - return tailRecursiveCall(); - } - - void nop() - { - m_assembler.nop(); - } - - static FunctionPtr readCallTarget(CodeLocationCall call) - { - return FunctionPtr(reinterpret_cast<void(*)()>(SH4Assembler::readCallTarget(call.dataLocation()))); - } - - static void replaceWithJump(CodeLocationLabel instructionStart, CodeLocationLabel destination) - { - RELEASE_ASSERT_NOT_REACHED(); - } - - static ptrdiff_t maxJumpReplacementSize() - { - RELEASE_ASSERT_NOT_REACHED(); - return 0; - } - - static bool canJumpReplacePatchableBranchPtrWithPatch() { return false; } - - static CodeLocationLabel startOfBranchPtrWithPatchOnRegister(CodeLocationDataLabelPtr label) - { - return label.labelAtOffset(0); - } - - static void revertJumpReplacementToBranchPtrWithPatch(CodeLocationLabel instructionStart, RegisterID, void* initialValue) - { - SH4Assembler::revertJump(instructionStart.dataLocation(), reinterpret_cast<uintptr_t>(initialValue) & 0xffff); - } - - static CodeLocationLabel startOfPatchableBranchPtrWithPatchOnAddress(CodeLocationDataLabelPtr) - { - UNREACHABLE_FOR_PLATFORM(); - return CodeLocationLabel(); - } - - static void revertJumpReplacementToPatchableBranchPtrWithPatch(CodeLocationLabel instructionStart, Address, void* initialValue) - { - UNREACHABLE_FOR_PLATFORM(); - } - -protected: - SH4Assembler::Condition SH4Condition(RelationalCondition cond) - { - return static_cast<SH4Assembler::Condition>(cond); - } - - SH4Assembler::Condition SH4Condition(ResultCondition cond) - { - return static_cast<SH4Assembler::Condition>(cond); - } -private: - template <typename, template <typename> class> friend class LinkBufferBase; - friend class RepatchBuffer; - - static void linkCall(void*, Call, FunctionPtr); - static void repatchCall(CodeLocationCall, CodeLocationLabel); - static void repatchCall(CodeLocationCall, FunctionPtr); -}; - -} // namespace JSC - -#endif // ENABLE(ASSEMBLER) - -#endif // MacroAssemblerSH4_h |