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26 #ifndef MacroAssembler_h
27 #define MacroAssembler_h
32 #include "MacroAssemblerARMv7.h"
33 namespace JSC { typedef MacroAssemblerARMv7 MacroAssemblerBase; };
35 #elif CPU(ARM_TRADITIONAL)
36 #include "MacroAssemblerARM.h"
37 namespace JSC { typedef MacroAssemblerARM MacroAssemblerBase; };
40 #include "MacroAssemblerMIPS.h"
42 typedef MacroAssemblerMIPS MacroAssemblerBase;
46 #include "MacroAssemblerX86.h"
47 namespace JSC { typedef MacroAssemblerX86 MacroAssemblerBase; };
50 #include "MacroAssemblerX86_64.h"
51 namespace JSC { typedef MacroAssemblerX86_64 MacroAssemblerBase; };
54 #include "MacroAssemblerSH4.h"
56 typedef MacroAssemblerSH4 MacroAssemblerBase;
60 #error "The MacroAssembler is not supported on this platform."
66 class MacroAssembler : public MacroAssemblerBase {
69 using MacroAssemblerBase::pop;
70 using MacroAssemblerBase::jump;
71 using MacroAssemblerBase::branch32;
72 using MacroAssemblerBase::branch16;
74 using MacroAssemblerBase::branchPtr;
75 using MacroAssemblerBase::branchTestPtr;
79 // Platform agnostic onvenience functions,
80 // described in terms of other macro assembly methods.
83 addPtr(TrustedImm32(sizeof(void*)), stackPointerRegister);
86 void peek(RegisterID dest, int index = 0)
88 loadPtr(Address(stackPointerRegister, (index * sizeof(void*))), dest);
91 void poke(RegisterID src, int index = 0)
93 storePtr(src, Address(stackPointerRegister, (index * sizeof(void*))));
96 void poke(TrustedImm32 value, int index = 0)
98 store32(value, Address(stackPointerRegister, (index * sizeof(void*))));
101 void poke(TrustedImmPtr imm, int index = 0)
103 storePtr(imm, Address(stackPointerRegister, (index * sizeof(void*))));
107 // Backwards banches, these are currently all implemented using existing forwards branch mechanisms.
108 void branchPtr(RelationalCondition cond, RegisterID op1, TrustedImmPtr imm, Label target)
110 branchPtr(cond, op1, imm).linkTo(target, this);
113 void branch32(RelationalCondition cond, RegisterID op1, RegisterID op2, Label target)
115 branch32(cond, op1, op2).linkTo(target, this);
118 void branch32(RelationalCondition cond, RegisterID op1, TrustedImm32 imm, Label target)
120 branch32(cond, op1, imm).linkTo(target, this);
123 void branch32(RelationalCondition cond, RegisterID left, Address right, Label target)
125 branch32(cond, left, right).linkTo(target, this);
128 Jump branch32(RelationalCondition cond, TrustedImm32 left, RegisterID right)
130 return branch32(commute(cond), right, left);
133 void branch16(RelationalCondition cond, BaseIndex left, RegisterID right, Label target)
135 branch16(cond, left, right).linkTo(target, this);
138 void branchTestPtr(ResultCondition cond, RegisterID reg, Label target)
140 branchTestPtr(cond, reg).linkTo(target, this);
143 void jump(Label target)
145 jump().linkTo(target, this);
148 // Commute a relational condition, returns a new condition that will produce
149 // the same results given the same inputs but with their positions exchanged.
150 static RelationalCondition commute(RelationalCondition condition)
163 case GreaterThanOrEqual:
164 return LessThanOrEqual;
167 case LessThanOrEqual:
168 return GreaterThanOrEqual;
173 ASSERT(condition == Equal || condition == NotEqual);
179 // On 32-bit platforms (i.e. x86), these methods directly map onto their 32-bit equivalents.
180 // FIXME: should this use a test for 32-bitness instead of this specific exception?
182 void addPtr(RegisterID src, RegisterID dest)
187 void addPtr(TrustedImm32 imm, RegisterID srcDest)
192 void addPtr(TrustedImmPtr imm, RegisterID dest)
194 add32(TrustedImm32(imm), dest);
197 void addPtr(TrustedImm32 imm, RegisterID src, RegisterID dest)
199 add32(imm, src, dest);
202 void andPtr(RegisterID src, RegisterID dest)
207 void andPtr(TrustedImm32 imm, RegisterID srcDest)
212 void orPtr(RegisterID src, RegisterID dest)
217 void orPtr(TrustedImmPtr imm, RegisterID dest)
219 or32(TrustedImm32(imm), dest);
222 void orPtr(TrustedImm32 imm, RegisterID dest)
227 void subPtr(RegisterID src, RegisterID dest)
232 void subPtr(TrustedImm32 imm, RegisterID dest)
237 void subPtr(TrustedImmPtr imm, RegisterID dest)
239 sub32(TrustedImm32(imm), dest);
242 void xorPtr(RegisterID src, RegisterID dest)
247 void xorPtr(TrustedImm32 imm, RegisterID srcDest)
253 void loadPtr(ImplicitAddress address, RegisterID dest)
255 load32(address, dest);
258 void loadPtr(BaseIndex address, RegisterID dest)
260 load32(address, dest);
263 void loadPtr(void* address, RegisterID dest)
265 load32(address, dest);
268 DataLabel32 loadPtrWithAddressOffsetPatch(Address address, RegisterID dest)
270 return load32WithAddressOffsetPatch(address, dest);
273 DataLabelCompact loadPtrWithCompactAddressOffsetPatch(Address address, RegisterID dest)
275 return load32WithCompactAddressOffsetPatch(address, dest);
278 void comparePtr(RelationalCondition cond, RegisterID left, TrustedImm32 right, RegisterID dest)
280 compare32(cond, left, right, dest);
283 void storePtr(RegisterID src, ImplicitAddress address)
285 store32(src, address);
288 void storePtr(RegisterID src, BaseIndex address)
290 store32(src, address);
293 void storePtr(RegisterID src, void* address)
295 store32(src, address);
298 void storePtr(TrustedImmPtr imm, ImplicitAddress address)
300 store32(TrustedImm32(imm), address);
303 void storePtr(TrustedImmPtr imm, void* address)
305 store32(TrustedImm32(imm), address);
308 DataLabel32 storePtrWithAddressOffsetPatch(RegisterID src, Address address)
310 return store32WithAddressOffsetPatch(src, address);
314 Jump branchPtr(RelationalCondition cond, RegisterID left, RegisterID right)
316 return branch32(cond, left, right);
319 Jump branchPtr(RelationalCondition cond, RegisterID left, TrustedImmPtr right)
321 return branch32(cond, left, TrustedImm32(right));
324 Jump branchPtr(RelationalCondition cond, RegisterID left, Address right)
326 return branch32(cond, left, right);
329 Jump branchPtr(RelationalCondition cond, Address left, RegisterID right)
331 return branch32(cond, left, right);
334 Jump branchPtr(RelationalCondition cond, AbsoluteAddress left, RegisterID right)
336 return branch32(cond, left, right);
339 Jump branchPtr(RelationalCondition cond, Address left, TrustedImmPtr right)
341 return branch32(cond, left, TrustedImm32(right));
344 Jump branchPtr(RelationalCondition cond, AbsoluteAddress left, TrustedImmPtr right)
346 return branch32(cond, left, TrustedImm32(right));
349 Jump branchTestPtr(ResultCondition cond, RegisterID reg, RegisterID mask)
351 return branchTest32(cond, reg, mask);
354 Jump branchTestPtr(ResultCondition cond, RegisterID reg, TrustedImm32 mask = TrustedImm32(-1))
356 return branchTest32(cond, reg, mask);
359 Jump branchTestPtr(ResultCondition cond, Address address, TrustedImm32 mask = TrustedImm32(-1))
361 return branchTest32(cond, address, mask);
364 Jump branchTestPtr(ResultCondition cond, BaseIndex address, TrustedImm32 mask = TrustedImm32(-1))
366 return branchTest32(cond, address, mask);
370 Jump branchAddPtr(ResultCondition cond, RegisterID src, RegisterID dest)
372 return branchAdd32(cond, src, dest);
375 Jump branchSubPtr(ResultCondition cond, TrustedImm32 imm, RegisterID dest)
377 return branchSub32(cond, imm, dest);
379 using MacroAssemblerBase::branchTest8;
380 Jump branchTest8(ResultCondition cond, ExtendedAddress address, TrustedImm32 mask = TrustedImm32(-1))
382 return MacroAssemblerBase::branchTest8(cond, Address(address.base, address.offset), mask);
390 #endif // ENABLE(ASSEMBLER)
392 #endif // MacroAssembler_h