Searched defs:scratch3 (Results 1 - 25 of 31) sorted by last modified time

12

/external/chromium_org/v8/src/arm/
H A Dcode-stubs-arm.cc3151 Register scratch2, Register scratch3) {
3175 GenerateOneByteCharsCompareLoop(masm, left, right, length, scratch2, scratch3,
3186 Register scratch2, Register scratch3, Register scratch4) {
3191 __ sub(scratch3, scratch1, Operand(scratch2), SetCC);
3192 Register length_delta = scratch3;
3149 GenerateFlatOneByteStringEquals( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3) argument
3184 GenerateCompareFlatOneByteStrings( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3, Register scratch4) argument
/external/chromium_org/v8/src/arm64/
H A Dcode-stubs-arm64.cc3797 Register scratch2, Register scratch3) {
3798 DCHECK(!AreAliased(left, right, scratch1, scratch2, scratch3));
3826 scratch3, &strings_not_equal);
3836 Register scratch2, Register scratch3, Register scratch4) {
3837 DCHECK(!AreAliased(left, right, scratch1, scratch2, scratch3, scratch4));
3841 Register length_delta = scratch3;
4393 Register scratch3 = temps.AcquireX(); local
4395 __ Ldr(scratch3, FieldMemOperand(scratch2, kElementsStartOffset));
4396 __ Cmp(name, scratch3);
3795 GenerateFlatOneByteStringEquals( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3) argument
3834 GenerateCompareFlatOneByteStrings( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3, Register scratch4) argument
H A Dfull-codegen-arm64.cc3616 Register scratch3 = x7; local
3716 __ AllocateOneByteString(result, string_length, scratch1, scratch2, scratch3,
H A Dmacro-assembler-arm64.cc1461 Register scratch3,
1464 scratch3));
1477 Register enum_length = scratch3;
1575 Register scratch3,
1610 JumpToHandlerEntry(value, object, state, scratch3, scratch4);
1617 Register scratch3,
1657 JumpToHandlerEntry(value, object, state, scratch3, scratch4);
2289 Register scratch3,
2291 DCHECK(!AreAliased(object, result, scratch1, scratch2, scratch3));
2295 Register mask = scratch3;
1456 CheckEnumCache(Register object, Register null_value, Register scratch0, Register scratch1, Register scratch2, Register scratch3, Label* call_runtime) argument
2285 LookupNumberStringCache(Register object, Register result, Register scratch1, Register scratch2, Register scratch3, Label* not_found) argument
2439 CopyFieldsLoopPairsHelper(Register dst, Register src, unsigned count, Register scratch1, Register scratch2, Register scratch3, Register scratch4, Register scratch5) argument
2479 CopyFieldsUnrolledPairsHelper(Register dst, Register src, unsigned count, Register scratch1, Register scratch2, Register scratch3, Register scratch4) argument
2509 CopyFieldsUnrolledHelper(Register dst, Register src, unsigned count, Register scratch1, Register scratch2, Register scratch3) argument
3348 Register scratch3 = temps.AcquireX(); local
3424 Register scratch3 = temps.AcquireX(); local
3506 AllocateTwoByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) argument
3537 AllocateOneByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) argument
4099 Register scratch3 = holder_reg; local
4160 LoadFromNumberDictionary(Label* miss, Register elements, Register key, Register result, Register scratch0, Register scratch1, Register scratch2, Register scratch3) argument
[all...]
/external/chromium_org/v8/src/ia32/
H A Dcode-stubs-ia32.cc3175 Register scratch2, Register scratch3) {
3182 __ mov(scratch3, scratch1);
3183 __ sub(scratch3, FieldOperand(right, String::kLengthOffset));
3185 Register length_delta = scratch3;
3173 GenerateCompareFlatOneByteStrings( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3) argument
H A Dmacro-assembler-ia32.cc1671 Register scratch3,
1688 scratch3,
1705 Register scratch3,
1722 scratch3,
1667 AllocateTwoByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) argument
1703 AllocateOneByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) argument
/external/chromium_org/v8/src/ic/
H A Daccess-compiler.h56 Register scratch3() const { return registers_[4]; } function in class:v8::internal::BASE_EMBEDDED
/external/chromium_org/v8/src/ic/arm/
H A Dhandler-compiler-arm.cc336 Register scratch2, Register scratch3, Label* miss_label, Label* slow) {
373 __ LoadRoot(scratch3, Heap::kMutableHeapNumberMapRootIndex);
374 __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow,
662 DCHECK(!scratch3().is(reg));
666 __ Move(scratch3(), callback);
667 __ ldr(scratch3(),
668 FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset));
670 __ Move(scratch3(), Handle<Object>(callback->data(), isolate()));
672 __ push(scratch3());
673 __ LoadRoot(scratch3(), Hea
333 GenerateStoreTransition( Handle<Map> transition, Handle<Name> name, Register receiver_reg, Register storage_reg, Register value_reg, Register scratch1, Register scratch2, Register scratch3, Label* miss_label, Label* slow) argument
[all...]
H A Dic-arm.cc295 Register scratch2, Register scratch3, Label* unmapped_case,
327 __ mov(scratch3, Operand(kPointerSize >> 1));
328 __ mul(scratch3, key, scratch3);
329 __ add(scratch3, scratch3, Operand(kOffset));
331 __ ldr(scratch2, MemOperand(scratch1, scratch3));
332 __ LoadRoot(scratch3, Heap::kTheHoleValueRootIndex);
333 __ cmp(scratch2, scratch3);
340 __ mov(scratch3, Operan
293 GenerateMappedArgumentsLookup( MacroAssembler* masm, Register object, Register key, Register scratch1, Register scratch2, Register scratch3, Label* unmapped_case, Label* slow_case) argument
[all...]
/external/chromium_org/v8/src/ic/arm64/
H A Dhandler-compiler-arm64.cc380 Register scratch2, Register scratch3, Label* miss_label, Label* slow) {
384 scratch3));
386 // We don't need scratch3.
387 scratch3 = NoReg;
692 DCHECK(!AreAliased(scratch2(), scratch3(), scratch4(), reg));
708 __ Mov(scratch3(), Operand(callback));
709 __ Ldr(scratch3(),
710 FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset));
712 __ Mov(scratch3(), Operand(Handle<Object>(callback->data(), isolate())));
716 __ Push(scratch3(), scratch
377 GenerateStoreTransition( Handle<Map> transition, Handle<Name> name, Register receiver_reg, Register storage_reg, Register value_reg, Register scratch1, Register scratch2, Register scratch3, Label* miss_label, Label* slow) argument
[all...]
H A Dic-arm64.cc444 Register scratch2, Register scratch3,
447 DCHECK(!AreAliased(key, receiver, scratch1, scratch2, scratch3, scratch4,
461 GenerateFastArrayLoad(masm, receiver, key, scratch3, scratch2, scratch1,
468 __ Ldr(scratch3, FieldMemOperand(receiver, JSObject::kElementsOffset));
469 __ Ldr(scratch2, FieldMemOperand(scratch3, JSObject::kMapOffset));
474 __ LoadFromNumberDictionary(slow, scratch3, key, result, scratch1, scratch2,
481 Register scratch2, Register scratch3,
484 DCHECK(!AreAliased(key, receiver, scratch1, scratch2, scratch3, scratch4,
498 __ Ldr(scratch3, FieldMemOperand(scratch2, HeapObject::kMapOffset));
499 __ JumpIfRoot(scratch3, Hea
442 GenerateKeyedLoadWithSmiKey(MacroAssembler* masm, Register key, Register receiver, Register scratch1, Register scratch2, Register scratch3, Register scratch4, Register scratch5, Label* slow) argument
479 GenerateKeyedLoadWithNameKey(MacroAssembler* masm, Register key, Register receiver, Register scratch1, Register scratch2, Register scratch3, Register scratch4, Register scratch5, Label* slow) argument
[all...]
H A Dstub-cache-arm64.cc29 Register scratch3) {
45 DCHECK(!AreAliased(name, offset, scratch, scratch2, scratch3));
48 __ Add(scratch3, offset, Operand(offset, LSL, 1));
52 __ Add(scratch, scratch, Operand(scratch3, LSL, kPointerSizeLog2));
61 __ Ldr(scratch3, FieldMemOperand(receiver, HeapObject::kMapOffset));
62 __ Cmp(scratch2, scratch3);
25 ProbeTable(Isolate* isolate, MacroAssembler* masm, Code::Flags flags, bool leave_frame, StubCache::Table table, Register receiver, Register name, Register offset, Register scratch, Register scratch2, Register scratch3) argument
/external/chromium_org/v8/src/ic/mips/
H A Dhandler-compiler-mips.cc330 Register scratch2, Register scratch3, Label* miss_label, Label* slow) {
368 __ LoadRoot(scratch3, Heap::kMutableHeapNumberMapRootIndex);
369 __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow,
660 DCHECK(!scratch3().is(reg));
664 __ li(scratch3(), callback);
665 __ lw(scratch3(),
666 FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset));
668 __ li(scratch3(), Handle<Object>(callback->data(), isolate()));
671 __ sw(scratch3(), MemOperand(sp, 5 * kPointerSize));
672 __ LoadRoot(scratch3(), Hea
327 GenerateStoreTransition( Handle<Map> transition, Handle<Name> name, Register receiver_reg, Register storage_reg, Register value_reg, Register scratch1, Register scratch2, Register scratch3, Label* miss_label, Label* slow) argument
[all...]
H A Dic-mips.cc302 Register scratch2, Register scratch3, Label* unmapped_case,
332 __ li(scratch3, Operand(kPointerSize >> 1));
333 __ Mul(scratch3, key, scratch3);
334 __ Addu(scratch3, scratch3, Operand(kOffset));
336 __ Addu(scratch2, scratch1, scratch3);
338 __ LoadRoot(scratch3, Heap::kTheHoleValueRootIndex);
339 __ Branch(unmapped_case, eq, scratch2, Operand(scratch3));
345 __ li(scratch3, Operan
300 GenerateMappedArgumentsLookup( MacroAssembler* masm, Register object, Register key, Register scratch1, Register scratch2, Register scratch3, Label* unmapped_case, Label* slow_case) argument
[all...]
/external/chromium_org/v8/src/ic/mips64/
H A Dhandler-compiler-mips64.cc330 Register scratch2, Register scratch3, Label* miss_label, Label* slow) {
368 __ LoadRoot(scratch3, Heap::kMutableHeapNumberMapRootIndex);
369 __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow,
660 DCHECK(!scratch3().is(reg));
664 __ li(scratch3(), callback);
665 __ ld(scratch3(),
666 FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset));
668 __ li(scratch3(), Handle<Object>(callback->data(), isolate()));
671 __ sd(scratch3(), MemOperand(sp, 5 * kPointerSize));
672 __ LoadRoot(scratch3(), Hea
327 GenerateStoreTransition( Handle<Map> transition, Handle<Name> name, Register receiver_reg, Register storage_reg, Register value_reg, Register scratch1, Register scratch2, Register scratch3, Label* miss_label, Label* slow) argument
[all...]
H A Dic-mips64.cc300 Register scratch2, Register scratch3, Label* unmapped_case,
330 __ SmiUntag(scratch3, key);
331 __ dsll(scratch3, scratch3, kPointerSizeLog2);
332 __ Daddu(scratch3, scratch3, Operand(kOffset));
334 __ Daddu(scratch2, scratch1, scratch3);
336 __ LoadRoot(scratch3, Heap::kTheHoleValueRootIndex);
337 __ Branch(unmapped_case, eq, scratch2, Operand(scratch3));
343 __ SmiUntag(scratch3, scratch
298 GenerateMappedArgumentsLookup( MacroAssembler* masm, Register object, Register key, Register scratch1, Register scratch2, Register scratch3, Label* unmapped_case, Label* slow_case) argument
[all...]
/external/chromium_org/v8/src/ic/x64/
H A Dic-x64.cc656 Register scratch2, Register scratch3, Label* unmapped_case,
686 __ SmiToInteger64(scratch3, key);
688 FieldOperand(scratch1, scratch3, times_pointer_size, kHeaderSize));
696 __ SmiToInteger64(scratch3, scratch2);
697 return FieldOperand(scratch1, scratch3, times_pointer_size,
654 GenerateMappedArgumentsLookup( MacroAssembler* masm, Register object, Register key, Register scratch1, Register scratch2, Register scratch3, Label* unmapped_case, Label* slow_case) argument
/external/chromium_org/v8/src/mips/
H A Dcode-stubs-mips.cc148 Register scratch3 = local
152 __ Push(scratch, scratch2, scratch3);
165 __ mfc1(scratch3, double_scratch);
179 __ Move(result_reg, scratch3);
186 Register input_low = scratch3;
270 __ Pop(scratch, scratch2, scratch3);
3305 Register scratch2, Register scratch3) {
3330 GenerateOneByteCharsCompareLoop(masm, left, right, length, scratch2, scratch3,
3341 Register scratch2, Register scratch3, Register scratch4) {
3346 __ Subu(scratch3, scratch
3303 GenerateFlatOneByteStringEquals( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3) argument
3339 GenerateCompareFlatOneByteStrings( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3, Register scratch4) argument
3379 GenerateOneByteCharsCompareLoop( MacroAssembler* masm, Register left, Register right, Register length, Register scratch1, Register scratch2, Register scratch3, Label* chars_not_equal) argument
[all...]
H A Dcodegen-mips.cc707 Register scratch3 = t3; local
767 __ Addu(scratch3, array, Operand(FixedDoubleArray::kHeaderSize));
769 __ Addu(array_end, scratch3, at);
780 // scratch3: begin of FixedDoubleArray element fields, not tagged
812 __ sdc1(f0, MemOperand(scratch3));
814 __ addiu(scratch3, scratch3, kDoubleSize); // In delay slot.
826 __ sw(hole_lower, MemOperand(scratch3, Register::kMantissaOffset));
828 __ sw(hole_upper, MemOperand(scratch3, Register::kExponentOffset));
830 __ addiu(scratch3, scratch
930 Register scratch3 = t6; local
[all...]
H A Dfull-codegen-mips.cc3951 Register scratch3 = t4; local
4005 __ AdduAndCheckForOverflow(string_length, string_length, scratch1, scratch3);
4006 __ BranchOnOverflow(&bailout, scratch3);
4033 __ Mul(scratch3, scratch2, array_length, scratch1);
4036 __ Branch(&bailout, ne, scratch3, Operand(zero_reg));
4037 __ And(scratch3, scratch2, Operand(0x80000000));
4038 __ Branch(&bailout, ne, scratch3, Operand(zero_reg));
4039 __ AdduAndCheckForOverflow(string_length, string_length, scratch2, scratch3);
4040 __ BranchOnOverflow(&bailout, scratch3);
H A Dmacro-assembler-mips.cc3473 Register scratch3,
3487 scratch3,
3502 Register scratch3,
3515 scratch3,
3787 Register scratch3,
3792 Register exponent_reg = scratch3;
5255 Register scratch3,
5259 Register mask = scratch3;
3469 AllocateTwoByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) argument
3500 AllocateOneByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) argument
3782 StoreNumberToDoubleElements(Register value_reg, Register key_reg, Register elements_reg, Register scratch1, Register scratch2, Register scratch3, Label* fail, int elements_offset) argument
5251 LookupNumberStringCache(Register object, Register result, Register scratch1, Register scratch2, Register scratch3, Label* not_found) argument
/external/chromium_org/v8/src/mips64/
H A Dcode-stubs-mips64.cc147 Register scratch3 = local
151 __ Push(scratch, scratch2, scratch3);
163 __ mfc1(scratch3, double_scratch);
177 __ Move(result_reg, scratch3);
184 Register input_low = scratch3;
266 __ Pop(scratch, scratch2, scratch3);
3342 Register scratch2, Register scratch3) {
3367 GenerateOneByteCharsCompareLoop(masm, left, right, length, scratch2, scratch3,
3378 Register scratch2, Register scratch3, Register scratch4) {
3383 __ Dsubu(scratch3, scratch
3340 GenerateFlatOneByteStringEquals( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3) argument
3376 GenerateCompareFlatOneByteStrings( MacroAssembler* masm, Register left, Register right, Register scratch1, Register scratch2, Register scratch3, Register scratch4) argument
3416 GenerateOneByteCharsCompareLoop( MacroAssembler* masm, Register left, Register right, Register length, Register scratch1, Register scratch2, Register scratch3, Label* chars_not_equal) argument
[all...]
H A Dcodegen-mips64.cc601 Register scratch3 = a7; local
660 __ Daddu(scratch3, array, Operand(FixedDoubleArray::kHeaderSize));
662 __ Daddu(array_end, array_end, scratch3);
672 // scratch3: begin of FixedDoubleArray element fields, not tagged
705 __ sdc1(f0, MemOperand(scratch3));
707 __ daddiu(scratch3, scratch3, kDoubleSize); // In delay slot.
718 __ sw(hole_lower, MemOperand(scratch3));
720 __ sw(hole_upper, MemOperand(scratch3, kIntSize));
721 __ Daddu(scratch3, scratch
820 Register scratch3 = t2; local
[all...]
H A Dfull-codegen-mips64.cc3952 Register scratch3 = t0; local
4006 __ AdduAndCheckForOverflow(string_length, string_length, scratch1, scratch3);
4007 __ BranchOnOverflow(&bailout, scratch3);
4041 __ AdduAndCheckForOverflow(string_length, string_length, scratch2, scratch3);
4042 __ BranchOnOverflow(&bailout, scratch3);
H A Dmacro-assembler-mips64.cc3382 Register scratch3,
3396 scratch3,
3411 Register scratch3,
3425 scratch3,
3694 Register scratch3,
3699 Register exponent_reg = scratch3;
5214 Register scratch3,
5218 Register mask = scratch3;
1278 DCHECK(pos < 32); DCHECK(pos + size < 33); ext_(rt, rs, pos, size); } void MacroAssembler::Ins(Register rt, Register rs, uint16_t pos, uint16_t size) { DCHECK(pos < 32); DCHECK(pos + size <= 32); DCHECK(size != 0); ins_(rt, rs, pos, size); } void MacroAssembler::Cvt_d_uw(FPURegister fd, FPURegister fs, FPURegister scratch) { mfc1(t8, fs); Cvt_d_uw(fd, t8, scratch); } void MacroAssembler::Cvt_d_uw(FPURegister fd, Register rs, FPURegister scratch) { DCHECK(!fd.is(scratch)); DCHECK(!rs.is(t9)); DCHECK(!rs.is(at)); Ext(t9, rs, 31, 1); Ext(at, rs, 0, 31); mtc1(at, fd); mthc1(zero_reg, fd); cvt_d_w(fd, fd); Label conversion_done; Branch(&conversion_done, eq, t9, Operand(zero_reg)); li(at, 0x41E00000); mtc1(zero_reg, scratch); mthc1(at, scratch); add_d(fd, fd, scratch); bind(&conversion_done); } void MacroAssembler::Round_l_d(FPURegister fd, FPURegister fs) { round_l_d(fd, fs); } void MacroAssembler::Floor_l_d(FPURegister fd, FPURegister fs) { floor_l_d(fd, fs); } void MacroAssembler::Ceil_l_d(FPURegister fd, FPURegister fs) { ceil_l_d(fd, fs); } void MacroAssembler::Trunc_l_d(FPURegister fd, FPURegister fs) { trunc_l_d(fd, fs); } void MacroAssembler::Trunc_l_ud(FPURegister fd, FPURegister fs, FPURegister scratch) { dmfc1(t8, fs); li(at, 0x7fffffffffffffff); and_(t8, t8, at); dmtc1(t8, fs); trunc_l_d(fd, fs); } void MacroAssembler::Trunc_uw_d(FPURegister fd, FPURegister fs, FPURegister scratch) { Trunc_uw_d(fs, t8, scratch); mtc1(t8, fd); } void MacroAssembler::Trunc_w_d(FPURegister fd, FPURegister fs) { trunc_w_d(fd, fs); } void MacroAssembler::Round_w_d(FPURegister fd, FPURegister fs) { round_w_d(fd, fs); } void MacroAssembler::Floor_w_d(FPURegister fd, FPURegister fs) { floor_w_d(fd, fs); } void MacroAssembler::Ceil_w_d(FPURegister fd, FPURegister fs) { ceil_w_d(fd, fs); } void MacroAssembler::Trunc_uw_d(FPURegister fd, Register rs, FPURegister scratch) { DCHECK(!fd.is(scratch)); DCHECK(!rs.is(at)); li(at, 0x41E00000); mtc1(zero_reg, scratch); mthc1(at, scratch); Label simple_convert; BranchF(&simple_convert, NULL, lt, fd, scratch); sub_d(scratch, fd, scratch); trunc_w_d(scratch, scratch); mfc1(rs, scratch); Or(rs, rs, 1 << 31); Label done; Branch(&done); bind(&simple_convert); trunc_w_d(scratch, fd); mfc1(rs, scratch); bind(&done); } void MacroAssembler::Madd_d(FPURegister fd, FPURegister fr, FPURegister fs, FPURegister ft, FPURegister scratch) { if (0) { madd_d(fd, fr, fs, ft); } else { DCHECK(!fr.is(scratch) && !fs.is(scratch) && !ft.is(scratch)); mul_d(scratch, fs, ft); add_d(fd, fr, scratch); } } void MacroAssembler::BranchF(Label* target, Label* nan, Condition cc, FPURegister cmp1, FPURegister cmp2, BranchDelaySlot bd) { BlockTrampolinePoolScope block_trampoline_pool(this); if (cc == al) { Branch(bd, target); return; } DCHECK(nan || target); if (nan) { if (kArchVariant != kMips64r6) { c(UN, D, cmp1, cmp2); bc1t(nan); } else { DCHECK(!cmp1.is(f31) && !cmp2.is(f31)); cmp(UN, L, f31, cmp1, cmp2); bc1nez(nan, f31); } } if (kArchVariant != kMips64r6) { if (target) { switch (cc) { case lt: c(OLT, D, cmp1, cmp2); bc1t(target); break; case gt: c(ULE, D, cmp1, cmp2); bc1f(target); break; case ge: c(ULT, D, cmp1, cmp2); bc1f(target); break; case le: c(OLE, D, cmp1, cmp2); bc1t(target); break; case eq: c(EQ, D, cmp1, cmp2); bc1t(target); break; case ueq: c(UEQ, D, cmp1, cmp2); bc1t(target); break; case ne: c(EQ, D, cmp1, cmp2); bc1f(target); break; case nue: c(UEQ, D, cmp1, cmp2); bc1f(target); break; default: CHECK(0); } } } else { if (target) { DCHECK(!cmp1.is(f31) && !cmp2.is(f31)); switch (cc) { case lt: cmp(OLT, L, f31, cmp1, cmp2); bc1nez(target, f31); break; case gt: cmp(ULE, L, f31, cmp1, cmp2); bc1eqz(target, f31); break; case ge: cmp(ULT, L, f31, cmp1, cmp2); bc1eqz(target, f31); break; case le: cmp(OLE, L, f31, cmp1, cmp2); bc1nez(target, f31); break; case eq: cmp(EQ, L, f31, cmp1, cmp2); bc1nez(target, f31); break; case ueq: cmp(UEQ, L, f31, cmp1, cmp2); bc1nez(target, f31); break; case ne: cmp(EQ, L, f31, cmp1, cmp2); bc1eqz(target, f31); break; case nue: cmp(UEQ, L, f31, cmp1, cmp2); bc1eqz(target, f31); break; default: CHECK(0); } } } if (bd == PROTECT) { nop(); } } void MacroAssembler::Move(FPURegister dst, double imm) { static const DoubleRepresentation minus_zero(-0.0); static const DoubleRepresentation zero(0.0); DoubleRepresentation value_rep(imm); bool force_load = dst.is(kDoubleRegZero); if (value_rep == zero && !force_load) { mov_d(dst, kDoubleRegZero); } else if (value_rep == minus_zero && !force_load) { neg_d(dst, kDoubleRegZero); } else { uint32_t lo, hi; DoubleAsTwoUInt32(imm, &lo, &hi); if (lo != 0) { li(at, Operand(lo)); mtc1(at, dst); } else { mtc1(zero_reg, dst); } if (hi != 0) { li(at, Operand(hi)); mthc1(at, dst); } else { mthc1(zero_reg, dst); } } } void MacroAssembler::Movz(Register rd, Register rs, Register rt) { if (kArchVariant == kMips64r6) { Label done; Branch(&done, ne, rt, Operand(zero_reg)); mov(rd, rs); bind(&done); } else { movz(rd, rs, rt); } } void MacroAssembler::Movn(Register rd, Register rs, Register rt) { if (kArchVariant == kMips64r6) { Label done; Branch(&done, eq, rt, Operand(zero_reg)); mov(rd, rs); bind(&done); } else { movn(rd, rs, rt); } } void MacroAssembler::Movt(Register rd, Register rs, uint16_t cc) { movt(rd, rs, cc); } void MacroAssembler::Movf(Register rd, Register rs, uint16_t cc) { movf(rd, rs, cc); } void MacroAssembler::Clz(Register rd, Register rs) { clz(rd, rs); } void MacroAssembler::EmitFPUTruncate(FPURoundingMode rounding_mode, Register result, DoubleRegister double_input, Register scratch, DoubleRegister double_scratch, Register except_flag, CheckForInexactConversion check_inexact) { DCHECK(!result.is(scratch)); DCHECK(!double_input.is(double_scratch)); DCHECK(!except_flag.is(scratch)); Label done; mov(except_flag, zero_reg); cvt_w_d(double_scratch, double_input); mfc1(result, double_scratch); cvt_d_w(double_scratch, double_scratch); BranchF(&done, NULL, eq, double_input, double_scratch); int32_t except_mask = kFCSRFlagMask; if (check_inexact == kDontCheckForInexactConversion) { except_mask &= ~kFCSRInexactFlagMask; } cfc1(scratch, FCSR); ctc1(zero_reg, FCSR); switch (rounding_mode) { case kRoundToNearest: Round_w_d(double_scratch, double_input); break; case kRoundToZero: Trunc_w_d(double_scratch, double_input); break; case kRoundToPlusInf: Ceil_w_d(double_scratch, double_input); break; case kRoundToMinusInf: Floor_w_d(double_scratch, double_input); break; } cfc1(except_flag, FCSR); ctc1(scratch, FCSR); mfc1(result, double_scratch); And(except_flag, except_flag, Operand(except_mask)); bind(&done); } void MacroAssembler::TryInlineTruncateDoubleToI(Register result, DoubleRegister double_input, Label* done) { DoubleRegister single_scratch = kLithiumScratchDouble.low(); Register scratch = at; Register scratch2 = t9; cfc1(scratch2, FCSR); ctc1(zero_reg, FCSR); trunc_w_d(single_scratch, double_input); mfc1(result, single_scratch); cfc1(scratch, FCSR); ctc1(scratch2, FCSR); And(scratch, scratch, kFCSROverflowFlagMask | kFCSRUnderflowFlagMask | kFCSRInvalidOpFlagMask); Branch(done, eq, scratch, Operand(zero_reg)); } void MacroAssembler::TruncateDoubleToI(Register result, DoubleRegister double_input) { Label done; TryInlineTruncateDoubleToI(result, double_input, &done); push(ra); Dsubu(sp, sp, Operand(kDoubleSize)); sdc1(double_input, MemOperand(sp, 0)); DoubleToIStub stub(isolate(), sp, result, 0, true, true); CallStub(&stub); Daddu(sp, sp, Operand(kDoubleSize)); pop(ra); bind(&done); } void MacroAssembler::TruncateHeapNumberToI(Register result, Register object) { Label done; DoubleRegister double_scratch = f12; DCHECK(!result.is(object)); ldc1(double_scratch, MemOperand(object, HeapNumber::kValueOffset - kHeapObjectTag)); TryInlineTruncateDoubleToI(result, double_scratch, &done); push(ra); DoubleToIStub stub(isolate(), object, result, HeapNumber::kValueOffset - kHeapObjectTag, true, true); CallStub(&stub); pop(ra); bind(&done); } void MacroAssembler::TruncateNumberToI(Register object, Register result, Register heap_number_map, Register scratch, Label* not_number) { Label done; DCHECK(!result.is(object)); UntagAndJumpIfSmi(result, object, &done); JumpIfNotHeapNumber(object, heap_number_map, scratch, not_number); TruncateHeapNumberToI(result, object); bind(&done); } void MacroAssembler::GetLeastBitsFromSmi(Register dst, Register src, int num_least_bits) { SmiUntag(dst, src); And(dst, dst, Operand((1 << num_least_bits) - 1)); } void MacroAssembler::GetLeastBitsFromInt32(Register dst, Register src, int num_least_bits) { DCHECK(!src.is(dst)); And(dst, src, Operand((1 << num_least_bits) - 1)); } void MacroAssembler::Branch(int16_t offset, BranchDelaySlot bdslot) { BranchShort(offset, bdslot); } void MacroAssembler::Branch(int16_t offset, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { BranchShort(offset, cond, rs, rt, bdslot); } void MacroAssembler::Branch(Label* L, BranchDelaySlot bdslot) { if (L->is_bound()) { if (is_near(L)) { BranchShort(L, bdslot); } else { Jr(L, bdslot); } } else { if (is_trampoline_emitted()) { Jr(L, bdslot); } else { BranchShort(L, bdslot); } } } void MacroAssembler::Branch(Label* L, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { if (L->is_bound()) { if (is_near(L)) { BranchShort(L, cond, rs, rt, bdslot); } else { if (cond != cc_always) { Label skip; Condition neg_cond = NegateCondition(cond); BranchShort(&skip, neg_cond, rs, rt); Jr(L, bdslot); bind(&skip); } else { Jr(L, bdslot); } } } else { if (is_trampoline_emitted()) { if (cond != cc_always) { Label skip; Condition neg_cond = NegateCondition(cond); BranchShort(&skip, neg_cond, rs, rt); Jr(L, bdslot); bind(&skip); } else { Jr(L, bdslot); } } else { BranchShort(L, cond, rs, rt, bdslot); } } } void MacroAssembler::Branch(Label* L, Condition cond, Register rs, Heap::RootListIndex index, BranchDelaySlot bdslot) { LoadRoot(at, index); Branch(L, cond, rs, Operand(at), bdslot); } void MacroAssembler::BranchShort(int16_t offset, BranchDelaySlot bdslot) { b(offset); if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchShort(int16_t offset, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { BRANCH_ARGS_CHECK(cond, rs, rt); DCHECK(!rs.is(zero_reg)); Register r2 = no_reg; Register scratch = at; if (rt.is_reg()) { BlockTrampolinePoolScope block_trampoline_pool(this); r2 = rt.rm_; switch (cond) { case cc_always: b(offset); break; case eq: beq(rs, r2, offset); break; case ne: bne(rs, r2, offset); break; case greater: if (r2.is(zero_reg)) { bgtz(rs, offset); } else { slt(scratch, r2, rs); bne(scratch, zero_reg, offset); } break; case greater_equal: if (r2.is(zero_reg)) { bgez(rs, offset); } else { slt(scratch, rs, r2); beq(scratch, zero_reg, offset); } break; case less: if (r2.is(zero_reg)) { bltz(rs, offset); } else { slt(scratch, rs, r2); bne(scratch, zero_reg, offset); } break; case less_equal: if (r2.is(zero_reg)) { blez(rs, offset); } else { slt(scratch, r2, rs); beq(scratch, zero_reg, offset); } break; case Ugreater: if (r2.is(zero_reg)) { bgtz(rs, offset); } else { sltu(scratch, r2, rs); bne(scratch, zero_reg, offset); } break; case Ugreater_equal: if (r2.is(zero_reg)) { bgez(rs, offset); } else { sltu(scratch, rs, r2); beq(scratch, zero_reg, offset); } break; case Uless: if (r2.is(zero_reg)) { return; } else { sltu(scratch, rs, r2); bne(scratch, zero_reg, offset); } break; case Uless_equal: if (r2.is(zero_reg)) { b(offset); } else { sltu(scratch, r2, rs); beq(scratch, zero_reg, offset); } break; default: UNREACHABLE(); } } else { BlockTrampolinePoolScope block_trampoline_pool(this); switch (cond) { case cc_always: b(offset); break; case eq: DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); beq(rs, r2, offset); break; case ne: DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); bne(rs, r2, offset); break; case greater: if (rt.imm64_ == 0) { bgtz(rs, offset); } else { r2 = scratch; li(r2, rt); slt(scratch, r2, rs); bne(scratch, zero_reg, offset); } break; case greater_equal: if (rt.imm64_ == 0) { bgez(rs, offset); } else if (is_int16(rt.imm64_)) { slti(scratch, rs, rt.imm64_); beq(scratch, zero_reg, offset); } else { r2 = scratch; li(r2, rt); slt(scratch, rs, r2); beq(scratch, zero_reg, offset); } break; case less: if (rt.imm64_ == 0) { bltz(rs, offset); } else if (is_int16(rt.imm64_)) { slti(scratch, rs, rt.imm64_); bne(scratch, zero_reg, offset); } else { r2 = scratch; li(r2, rt); slt(scratch, rs, r2); bne(scratch, zero_reg, offset); } break; case less_equal: if (rt.imm64_ == 0) { blez(rs, offset); } else { r2 = scratch; li(r2, rt); slt(scratch, r2, rs); beq(scratch, zero_reg, offset); } break; case Ugreater: if (rt.imm64_ == 0) { bgtz(rs, offset); } else { r2 = scratch; li(r2, rt); sltu(scratch, r2, rs); bne(scratch, zero_reg, offset); } break; case Ugreater_equal: if (rt.imm64_ == 0) { bgez(rs, offset); } else if (is_int16(rt.imm64_)) { sltiu(scratch, rs, rt.imm64_); beq(scratch, zero_reg, offset); } else { r2 = scratch; li(r2, rt); sltu(scratch, rs, r2); beq(scratch, zero_reg, offset); } break; case Uless: if (rt.imm64_ == 0) { return; } else if (is_int16(rt.imm64_)) { sltiu(scratch, rs, rt.imm64_); bne(scratch, zero_reg, offset); } else { r2 = scratch; li(r2, rt); sltu(scratch, rs, r2); bne(scratch, zero_reg, offset); } break; case Uless_equal: if (rt.imm64_ == 0) { b(offset); } else { r2 = scratch; li(r2, rt); sltu(scratch, r2, rs); beq(scratch, zero_reg, offset); } break; default: UNREACHABLE(); } } if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchShort(Label* L, BranchDelaySlot bdslot) { b(shifted_branch_offset(L, false)); if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchShort(Label* L, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { BRANCH_ARGS_CHECK(cond, rs, rt); int32_t offset = 0; Register r2 = no_reg; Register scratch = at; if (rt.is_reg()) { BlockTrampolinePoolScope block_trampoline_pool(this); r2 = rt.rm_; switch (cond) { case cc_always: offset = shifted_branch_offset(L, false); b(offset); break; case eq: offset = shifted_branch_offset(L, false); beq(rs, r2, offset); break; case ne: offset = shifted_branch_offset(L, false); bne(rs, r2, offset); break; case greater: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); bgtz(rs, offset); } else { slt(scratch, r2, rs); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case greater_equal: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); bgez(rs, offset); } else { slt(scratch, rs, r2); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; case less: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); bltz(rs, offset); } else { slt(scratch, rs, r2); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case less_equal: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); blez(rs, offset); } else { slt(scratch, r2, rs); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; case Ugreater: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); bgtz(rs, offset); } else { sltu(scratch, r2, rs); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case Ugreater_equal: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); bgez(rs, offset); } else { sltu(scratch, rs, r2); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; case Uless: if (r2.is(zero_reg)) { return; } else { sltu(scratch, rs, r2); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case Uless_equal: if (r2.is(zero_reg)) { offset = shifted_branch_offset(L, false); b(offset); } else { sltu(scratch, r2, rs); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; default: UNREACHABLE(); } } else { BlockTrampolinePoolScope block_trampoline_pool(this); switch (cond) { case cc_always: offset = shifted_branch_offset(L, false); b(offset); break; case eq: DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); offset = shifted_branch_offset(L, false); beq(rs, r2, offset); break; case ne: DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); offset = shifted_branch_offset(L, false); bne(rs, r2, offset); break; case greater: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); bgtz(rs, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); slt(scratch, r2, rs); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case greater_equal: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); bgez(rs, offset); } else if (is_int16(rt.imm64_)) { slti(scratch, rs, rt.imm64_); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); slt(scratch, rs, r2); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; case less: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); bltz(rs, offset); } else if (is_int16(rt.imm64_)) { slti(scratch, rs, rt.imm64_); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); slt(scratch, rs, r2); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case less_equal: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); blez(rs, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); slt(scratch, r2, rs); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; case Ugreater: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); bne(rs, zero_reg, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); sltu(scratch, r2, rs); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case Ugreater_equal: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); bgez(rs, offset); } else if (is_int16(rt.imm64_)) { sltiu(scratch, rs, rt.imm64_); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); sltu(scratch, rs, r2); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; case Uless: if (rt.imm64_ == 0) { return; } else if (is_int16(rt.imm64_)) { sltiu(scratch, rs, rt.imm64_); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); sltu(scratch, rs, r2); offset = shifted_branch_offset(L, false); bne(scratch, zero_reg, offset); } break; case Uless_equal: if (rt.imm64_ == 0) { offset = shifted_branch_offset(L, false); beq(rs, zero_reg, offset); } else { DCHECK(!scratch.is(rs)); r2 = scratch; li(r2, rt); sltu(scratch, r2, rs); offset = shifted_branch_offset(L, false); beq(scratch, zero_reg, offset); } break; default: UNREACHABLE(); } } DCHECK(is_int16(offset)); if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchAndLink(int16_t offset, BranchDelaySlot bdslot) { BranchAndLinkShort(offset, bdslot); } void MacroAssembler::BranchAndLink(int16_t offset, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { BranchAndLinkShort(offset, cond, rs, rt, bdslot); } void MacroAssembler::BranchAndLink(Label* L, BranchDelaySlot bdslot) { if (L->is_bound()) { if (is_near(L)) { BranchAndLinkShort(L, bdslot); } else { Jalr(L, bdslot); } } else { if (is_trampoline_emitted()) { Jalr(L, bdslot); } else { BranchAndLinkShort(L, bdslot); } } } void MacroAssembler::BranchAndLink(Label* L, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { if (L->is_bound()) { if (is_near(L)) { BranchAndLinkShort(L, cond, rs, rt, bdslot); } else { Label skip; Condition neg_cond = NegateCondition(cond); BranchShort(&skip, neg_cond, rs, rt); Jalr(L, bdslot); bind(&skip); } } else { if (is_trampoline_emitted()) { Label skip; Condition neg_cond = NegateCondition(cond); BranchShort(&skip, neg_cond, rs, rt); Jalr(L, bdslot); bind(&skip); } else { BranchAndLinkShort(L, cond, rs, rt, bdslot); } } } void MacroAssembler::BranchAndLinkShort(int16_t offset, BranchDelaySlot bdslot) { bal(offset); if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchAndLinkShort(int16_t offset, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { BRANCH_ARGS_CHECK(cond, rs, rt); Register r2 = no_reg; Register scratch = at; if (rt.is_reg()) { r2 = rt.rm_; } else if (cond != cc_always) { r2 = scratch; li(r2, rt); } { BlockTrampolinePoolScope block_trampoline_pool(this); switch (cond) { case cc_always: bal(offset); break; case eq: bne(rs, r2, 2); nop(); bal(offset); break; case ne: beq(rs, r2, 2); nop(); bal(offset); break; case greater: slt(scratch, r2, rs); beq(scratch, zero_reg, 2); nop(); bal(offset); break; case greater_equal: slt(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); bal(offset); break; case less: slt(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); bal(offset); break; case less_equal: slt(scratch, r2, rs); bne(scratch, zero_reg, 2); nop(); bal(offset); break; case Ugreater: sltu(scratch, r2, rs); beq(scratch, zero_reg, 2); nop(); bal(offset); break; case Ugreater_equal: sltu(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); bal(offset); break; case Uless: sltu(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); bal(offset); break; case Uless_equal: sltu(scratch, r2, rs); bne(scratch, zero_reg, 2); nop(); bal(offset); break; default: UNREACHABLE(); } } if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchAndLinkShort(Label* L, BranchDelaySlot bdslot) { bal(shifted_branch_offset(L, false)); if (bdslot == PROTECT) nop(); } void MacroAssembler::BranchAndLinkShort(Label* L, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bdslot) { BRANCH_ARGS_CHECK(cond, rs, rt); int32_t offset = 0; Register r2 = no_reg; Register scratch = at; if (rt.is_reg()) { r2 = rt.rm_; } else if (cond != cc_always) { r2 = scratch; li(r2, rt); } { BlockTrampolinePoolScope block_trampoline_pool(this); switch (cond) { case cc_always: offset = shifted_branch_offset(L, false); bal(offset); break; case eq: bne(rs, r2, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case ne: beq(rs, r2, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case greater: slt(scratch, r2, rs); beq(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case greater_equal: slt(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case less: slt(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case less_equal: slt(scratch, r2, rs); bne(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case Ugreater: sltu(scratch, r2, rs); beq(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case Ugreater_equal: sltu(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case Uless: sltu(scratch, rs, r2); bne(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; case Uless_equal: sltu(scratch, r2, rs); bne(scratch, zero_reg, 2); nop(); offset = shifted_branch_offset(L, false); bal(offset); break; default: UNREACHABLE(); } } DCHECK(is_int16(offset)); if (bdslot == PROTECT) nop(); } void MacroAssembler::Jump(Register target, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { BlockTrampolinePoolScope block_trampoline_pool(this); if (cond == cc_always) { jr(target); } else { BRANCH_ARGS_CHECK(cond, rs, rt); Branch(2, NegateCondition(cond), rs, rt); jr(target); } if (bd == PROTECT) nop(); } void MacroAssembler::Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { Label skip; if (cond != cc_always) { Branch(USE_DELAY_SLOT, &skip, NegateCondition(cond), rs, rt); } li(t9, Operand(target, rmode)); Jump(t9, al, zero_reg, Operand(zero_reg), bd); bind(&skip); } void MacroAssembler::Jump(Address target, RelocInfo::Mode rmode, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { DCHECK(!RelocInfo::IsCodeTarget(rmode)); Jump(reinterpret_cast<intptr_t>(target), rmode, cond, rs, rt, bd); } void MacroAssembler::Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { DCHECK(RelocInfo::IsCodeTarget(rmode)); AllowDeferredHandleDereference embedding_raw_address; Jump(reinterpret_cast<intptr_t>(code.location()), rmode, cond, rs, rt, bd); } int MacroAssembler::CallSize(Register target, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { int size = 0; if (cond == cc_always) { size += 1; } else { size += 3; } if (bd == PROTECT) size += 1; return size * kInstrSize; } void MacroAssembler::Call(Register target, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { BlockTrampolinePoolScope block_trampoline_pool(this); Label start; bind(&start); if (cond == cc_always) { jalr(target); } else { BRANCH_ARGS_CHECK(cond, rs, rt); Branch(2, NegateCondition(cond), rs, rt); jalr(target); } if (bd == PROTECT) nop(); DCHECK_EQ(CallSize(target, cond, rs, rt, bd), SizeOfCodeGeneratedSince(&start)); } int MacroAssembler::CallSize(Address target, RelocInfo::Mode rmode, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { int size = CallSize(t9, cond, rs, rt, bd); return size + 4 * kInstrSize; } void MacroAssembler::Call(Address target, RelocInfo::Mode rmode, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { BlockTrampolinePoolScope block_trampoline_pool(this); Label start; bind(&start); int64_t target_int = reinterpret_cast<int64_t>(target); positions_recorder()->WriteRecordedPositions(); li(t9, Operand(target_int, rmode), ADDRESS_LOAD); Call(t9, cond, rs, rt, bd); DCHECK_EQ(CallSize(target, rmode, cond, rs, rt, bd), SizeOfCodeGeneratedSince(&start)); } int MacroAssembler::CallSize(Handle<Code> code, RelocInfo::Mode rmode, TypeFeedbackId ast_id, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { AllowDeferredHandleDereference using_raw_address; return CallSize(reinterpret_cast<Address>(code.location()), rmode, cond, rs, rt, bd); } void MacroAssembler::Call(Handle<Code> code, RelocInfo::Mode rmode, TypeFeedbackId ast_id, Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { BlockTrampolinePoolScope block_trampoline_pool(this); Label start; bind(&start); DCHECK(RelocInfo::IsCodeTarget(rmode)); if (rmode == RelocInfo::CODE_TARGET && !ast_id.IsNone()) { SetRecordedAstId(ast_id); rmode = RelocInfo::CODE_TARGET_WITH_ID; } AllowDeferredHandleDereference embedding_raw_address; Call(reinterpret_cast<Address>(code.location()), rmode, cond, rs, rt, bd); DCHECK_EQ(CallSize(code, rmode, ast_id, cond, rs, rt, bd), SizeOfCodeGeneratedSince(&start)); } void MacroAssembler::Ret(Condition cond, Register rs, const Operand& rt, BranchDelaySlot bd) { Jump(ra, cond, rs, rt, bd); } void MacroAssembler::J(Label* L, BranchDelaySlot bdslot) { BlockTrampolinePoolScope block_trampoline_pool(this); uint64_t imm28; imm28 = jump_address(L); imm28 &= kImm28Mask; { BlockGrowBufferScope block_buf_growth(this); RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); j(imm28); } if (bdslot == PROTECT) nop(); } void MacroAssembler::Jr(Label* L, BranchDelaySlot bdslot) { BlockTrampolinePoolScope block_trampoline_pool(this); uint64_t imm64; imm64 = jump_address(L); { BlockGrowBufferScope block_buf_growth(this); RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); li(at, Operand(imm64), ADDRESS_LOAD); } jr(at); if (bdslot == PROTECT) nop(); } void MacroAssembler::Jalr(Label* L, BranchDelaySlot bdslot) { BlockTrampolinePoolScope block_trampoline_pool(this); uint64_t imm64; imm64 = jump_address(L); { BlockGrowBufferScope block_buf_growth(this); RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); li(at, Operand(imm64), ADDRESS_LOAD); } jalr(at); if (bdslot == PROTECT) nop(); } void MacroAssembler::DropAndRet(int drop) { Ret(USE_DELAY_SLOT); daddiu(sp, sp, drop * kPointerSize); } void MacroAssembler::DropAndRet(int drop, Condition cond, Register r1, const Operand& r2) { Label skip; if (cond != cc_always) { Branch(&skip, NegateCondition(cond), r1, r2); } Drop(drop); Ret(); if (cond != cc_always) { bind(&skip); } } void MacroAssembler::Drop(int count, Condition cond, Register reg, const Operand& op) { if (count <= 0) { return; } Label skip; if (cond != al) { Branch(&skip, NegateCondition(cond), reg, op); } daddiu(sp, sp, count * kPointerSize); if (cond != al) { bind(&skip); } } void MacroAssembler::Swap(Register reg1, Register reg2, Register scratch) { if (scratch.is(no_reg)) { Xor(reg1, reg1, Operand(reg2)); Xor(reg2, reg2, Operand(reg1)); Xor(reg1, reg1, Operand(reg2)); } else { mov(scratch, reg1); mov(reg1, reg2); mov(reg2, scratch); } } void MacroAssembler::Call(Label* target) { BranchAndLink(target); } void MacroAssembler::Push(Handle<Object> handle) { li(at, Operand(handle)); push(at); } void MacroAssembler::PushRegisterAsTwoSmis(Register src, Register scratch) { DCHECK(!src.is(scratch)); mov(scratch, src); dsrl32(src, src, 0); dsll32(src, src, 0); push(src); dsll32(scratch, scratch, 0); push(scratch); } void MacroAssembler::PopRegisterAsTwoSmis(Register dst, Register scratch) { DCHECK(!dst.is(scratch)); pop(scratch); dsrl32(scratch, scratch, 0); pop(dst); dsrl32(dst, dst, 0); dsll32(dst, dst, 0); or_(dst, dst, scratch); } void MacroAssembler::DebugBreak() { PrepareCEntryArgs(0); PrepareCEntryFunction(ExternalReference(Runtime::kDebugBreak, isolate())); CEntryStub ces(isolate(), 1); DCHECK(AllowThisStubCall(&ces)); Call(ces.GetCode(), RelocInfo::DEBUG_BREAK); } void MacroAssembler::PushTryHandler(StackHandler::Kind kind, int handler_index) { STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kStateOffset == 2 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kContextOffset == 3 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kFPOffset == 4 * kPointerSize); unsigned state = StackHandler::IndexField::encode(handler_index) | StackHandler::KindField::encode(kind); li(a5, Operand(CodeObject()), CONSTANT_SIZE); li(a6, Operand(state)); if (kind == StackHandler::JS_ENTRY) { DCHECK_EQ(Smi::FromInt(0), 0); Push(zero_reg, zero_reg, a6, a5); } else { MultiPush(a5.bit() | a6.bit() | cp.bit() | fp.bit()); } li(a6, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); ld(a5, MemOperand(a6)); push(a5); sd(sp, MemOperand(a6)); } void MacroAssembler::PopTryHandler() { STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0); pop(a1); Daddu(sp, sp, Operand(StackHandlerConstants::kSize - kPointerSize)); li(at, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); sd(a1, MemOperand(at)); } void MacroAssembler::JumpToHandlerEntry() { Uld(a3, FieldMemOperand(a1, Code::kHandlerTableOffset)); Daddu(a3, a3, Operand(FixedArray::kHeaderSize - kHeapObjectTag)); dsrl(a2, a2, StackHandler::kKindWidth); dsll(a2, a2, kPointerSizeLog2); Daddu(a2, a3, a2); ld(a2, MemOperand(a2)); Daddu(a1, a1, Operand(Code::kHeaderSize - kHeapObjectTag)); dsra32(t9, a2, 0); Daddu(t9, t9, a1); Jump(t9); } void MacroAssembler::Throw(Register value) { STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0); STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kStateOffset == 2 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kContextOffset == 3 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kFPOffset == 4 * kPointerSize); Move(v0, value); li(a3, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); ld(sp, MemOperand(a3)); pop(a2); sd(a2, MemOperand(a3)); MultiPop(a1.bit() | a2.bit() | cp.bit() | fp.bit()); Label done; Branch(&done, eq, cp, Operand(zero_reg)); sd(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); bind(&done); JumpToHandlerEntry(); } void MacroAssembler::ThrowUncatchable(Register value) { STATIC_ASSERT(StackHandlerConstants::kSize == 5 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kCodeOffset == 1 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kStateOffset == 2 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kContextOffset == 3 * kPointerSize); STATIC_ASSERT(StackHandlerConstants::kFPOffset == 4 * kPointerSize); if (!value.is(v0)) { mov(v0, value); } li(a3, Operand(ExternalReference(Isolate::kHandlerAddress, isolate()))); ld(sp, MemOperand(a3)); Label fetch_next, check_kind; jmp(&check_kind); bind(&fetch_next); ld(sp, MemOperand(sp, StackHandlerConstants::kNextOffset)); bind(&check_kind); STATIC_ASSERT(StackHandler::JS_ENTRY == 0); ld(a2, MemOperand(sp, StackHandlerConstants::kStateOffset)); And(a2, a2, Operand(StackHandler::KindField::kMask)); Branch(&fetch_next, ne, a2, Operand(zero_reg)); pop(a2); sd(a2, MemOperand(a3)); MultiPop(a1.bit() | a2.bit() | cp.bit() | fp.bit()); JumpToHandlerEntry(); } void MacroAssembler::Allocate(int object_size, Register result, Register scratch1, Register scratch2, Label* gc_required, AllocationFlags flags) { DCHECK(object_size <= Page::kMaxRegularHeapObjectSize); if (!FLAG_inline_new) { if (emit_debug_code()) { li(result, 0x7091); li(scratch1, 0x7191); li(scratch2, 0x7291); } jmp(gc_required); return; } DCHECK(!result.is(scratch1)); DCHECK(!result.is(scratch2)); DCHECK(!scratch1.is(scratch2)); DCHECK(!scratch1.is(t9)); DCHECK(!scratch2.is(t9)); DCHECK(!result.is(t9)); if ((flags & SIZE_IN_WORDS) != 0) { object_size *= kPointerSize; } DCHECK(0 == (object_size & kObjectAlignmentMask)); ExternalReference allocation_top = AllocationUtils::GetAllocationTopReference(isolate(), flags); ExternalReference allocation_limit = AllocationUtils::GetAllocationLimitReference(isolate(), flags); intptr_t top = reinterpret_cast<intptr_t>(allocation_top.address()); intptr_t limit = reinterpret_cast<intptr_t>(allocation_limit.address()); DCHECK((limit - top) == kPointerSize); Register topaddr = scratch1; li(topaddr, Operand(allocation_top)); if ((flags & RESULT_CONTAINS_TOP) == 0) { ld(result, MemOperand(topaddr)); ld(t9, MemOperand(topaddr, kPointerSize)); } else { if (emit_debug_code()) { ld(t9, MemOperand(topaddr)); Check(eq, kUnexpectedAllocationTop, result, Operand(t9)); } ld(t9, MemOperand(topaddr, limit - top)); } DCHECK(kPointerSize == kDoubleSize); if (emit_debug_code()) { And(at, result, Operand(kDoubleAlignmentMask)); Check(eq, kAllocationIsNotDoubleAligned, at, Operand(zero_reg)); } Daddu(scratch2, result, Operand(object_size)); Branch(gc_required, Ugreater, scratch2, Operand(t9)); sd(scratch2, MemOperand(topaddr)); if ((flags & TAG_OBJECT) != 0) { Daddu(result, result, Operand(kHeapObjectTag)); } } void MacroAssembler::Allocate(Register object_size, Register result, Register scratch1, Register scratch2, Label* gc_required, AllocationFlags flags) { if (!FLAG_inline_new) { if (emit_debug_code()) { li(result, 0x7091); li(scratch1, 0x7191); li(scratch2, 0x7291); } jmp(gc_required); return; } DCHECK(!result.is(scratch1)); DCHECK(!result.is(scratch2)); DCHECK(!scratch1.is(scratch2)); DCHECK(!object_size.is(t9)); DCHECK(!scratch1.is(t9) && !scratch2.is(t9) && !result.is(t9)); ExternalReference allocation_top = AllocationUtils::GetAllocationTopReference(isolate(), flags); ExternalReference allocation_limit = AllocationUtils::GetAllocationLimitReference(isolate(), flags); intptr_t top = reinterpret_cast<intptr_t>(allocation_top.address()); intptr_t limit = reinterpret_cast<intptr_t>(allocation_limit.address()); DCHECK((limit - top) == kPointerSize); Register topaddr = scratch1; li(topaddr, Operand(allocation_top)); if ((flags & RESULT_CONTAINS_TOP) == 0) { ld(result, MemOperand(topaddr)); ld(t9, MemOperand(topaddr, kPointerSize)); } else { if (emit_debug_code()) { ld(t9, MemOperand(topaddr)); Check(eq, kUnexpectedAllocationTop, result, Operand(t9)); } ld(t9, MemOperand(topaddr, limit - top)); } DCHECK(kPointerSize == kDoubleSize); if (emit_debug_code()) { And(at, result, Operand(kDoubleAlignmentMask)); Check(eq, kAllocationIsNotDoubleAligned, at, Operand(zero_reg)); } if ((flags & SIZE_IN_WORDS) != 0) { dsll(scratch2, object_size, kPointerSizeLog2); Daddu(scratch2, result, scratch2); } else { Daddu(scratch2, result, Operand(object_size)); } Branch(gc_required, Ugreater, scratch2, Operand(t9)); if (emit_debug_code()) { And(t9, scratch2, Operand(kObjectAlignmentMask)); Check(eq, kUnalignedAllocationInNewSpace, t9, Operand(zero_reg)); } sd(scratch2, MemOperand(topaddr)); if ((flags & TAG_OBJECT) != 0) { Daddu(result, result, Operand(kHeapObjectTag)); } } void MacroAssembler::UndoAllocationInNewSpace(Register object, Register scratch) { ExternalReference new_space_allocation_top = ExternalReference::new_space_allocation_top_address(isolate()); And(object, object, Operand(~kHeapObjectTagMask)); li(scratch, Operand(new_space_allocation_top)); ld(scratch, MemOperand(scratch)); Check(less, kUndoAllocationOfNonAllocatedMemory, object, Operand(scratch)); li(scratch, Operand(new_space_allocation_top)); sd(object, MemOperand(scratch)); } void MacroAssembler::AllocateTwoByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) { DCHECK((SeqTwoByteString::kHeaderSize & kObjectAlignmentMask) == 0); dsll(scratch1, length, 1); daddiu(scratch1, scratch1, kObjectAlignmentMask + SeqTwoByteString::kHeaderSize); And(scratch1, scratch1, Operand(~kObjectAlignmentMask)); Allocate(scratch1, result, scratch2, scratch3, gc_required, TAG_OBJECT); InitializeNewString(result, length, Heap::kStringMapRootIndex, scratch1, scratch2); } void MacroAssembler::AllocateOneByteString(Register result, Register length, Register scratch1, Register scratch2, Register scratch3, Label* gc_required) { DCHECK((SeqOneByteString::kHeaderSize & kObjectAlignmentMask) == 0); DCHECK(kCharSize == 1); daddiu(scratch1, length, kObjectAlignmentMask + SeqOneByteString::kHeaderSize); And(scratch1, scratch1, Operand(~kObjectAlignmentMask)); Allocate(scratch1, result, scratch2, scratch3, gc_required, TAG_OBJECT); InitializeNewString(result, length, Heap::kOneByteStringMapRootIndex, scratch1, scratch2); } void MacroAssembler::AllocateTwoByteConsString(Register result, Register length, Register scratch1, Register scratch2, Label* gc_required) { Allocate(ConsString::kSize, result, scratch1, scratch2, gc_required, TAG_OBJECT); InitializeNewString(result, length, Heap::kConsStringMapRootIndex, scratch1, scratch2); } void MacroAssembler::AllocateOneByteConsString(Register result, Register length, Register scratch1, Register scratch2, Label* gc_required) { Allocate(ConsString::kSize, result, scratch1, scratch2, gc_required, TAG_OBJECT); InitializeNewString(result, length, Heap::kConsOneByteStringMapRootIndex, scratch1, scratch2); } void MacroAssembler::AllocateTwoByteSlicedString(Register result, Register length, Register scratch1, Register scratch2, Label* gc_required) { Allocate(SlicedString::kSize, result, scratch1, scratch2, gc_required, TAG_OBJECT); InitializeNewString(result, length, Heap::kSlicedStringMapRootIndex, scratch1, scratch2); } void MacroAssembler::AllocateOneByteSlicedString(Register result, Register length, Register scratch1, Register scratch2, Label* gc_required) { Allocate(SlicedString::kSize, result, scratch1, scratch2, gc_required, TAG_OBJECT); InitializeNewString(result, length, Heap::kSlicedOneByteStringMapRootIndex, scratch1, scratch2); } void MacroAssembler::JumpIfNotUniqueNameInstanceType(Register reg, Label* not_unique_name) { STATIC_ASSERT(kInternalizedTag == 0 && kStringTag == 0); Label succeed; And(at, reg, Operand(kIsNotStringMask | kIsNotInternalizedMask)); Branch(&succeed, eq, at, Operand(zero_reg)); Branch(not_unique_name, ne, reg, Operand(SYMBOL_TYPE)); bind(&succeed); } void MacroAssembler::AllocateHeapNumber(Register result, Register scratch1, Register scratch2, Register heap_number_map, Label* need_gc, TaggingMode tagging_mode, MutableMode mode) { Allocate(HeapNumber::kSize, result, scratch1, scratch2, need_gc, tagging_mode == TAG_RESULT ? TAG_OBJECT : NO_ALLOCATION_FLAGS); Heap::RootListIndex map_index = mode == MUTABLE ? Heap::kMutableHeapNumberMapRootIndex : Heap::kHeapNumberMapRootIndex; AssertIsRoot(heap_number_map, map_index); if (tagging_mode == TAG_RESULT) { sd(heap_number_map, FieldMemOperand(result, HeapObject::kMapOffset)); } else { sd(heap_number_map, MemOperand(result, HeapObject::kMapOffset)); } } void MacroAssembler::AllocateHeapNumberWithValue(Register result, FPURegister value, Register scratch1, Register scratch2, Label* gc_required) { LoadRoot(t8, Heap::kHeapNumberMapRootIndex); AllocateHeapNumber(result, scratch1, scratch2, t8, gc_required); sdc1(value, FieldMemOperand(result, HeapNumber::kValueOffset)); } void MacroAssembler::CopyFields(Register dst, Register src, RegList temps, int field_count) { DCHECK((temps & dst.bit()) == 0); DCHECK((temps & src.bit()) == 0); Register tmp = no_reg; for (int i = 0; i < kNumRegisters; i++) { if ((temps & (1 << i)) != 0) { tmp.code_ = i; break; } } DCHECK(!tmp.is(no_reg)); for (int i = 0; i < field_count; i++) { ld(tmp, FieldMemOperand(src, i * kPointerSize)); sd(tmp, FieldMemOperand(dst, i * kPointerSize)); } } void MacroAssembler::CopyBytes(Register src, Register dst, Register length, Register scratch) { Label align_loop_1, word_loop, byte_loop, byte_loop_1, done; Branch(&byte_loop, le, length, Operand(kPointerSize)); bind(&align_loop_1); And(scratch, src, kPointerSize - 1); Branch(&word_loop, eq, scratch, Operand(zero_reg)); lbu(scratch, MemOperand(src)); Daddu(src, src, 1); sb(scratch, MemOperand(dst)); Daddu(dst, dst, 1); Dsubu(length, length, Operand(1)); Branch(&align_loop_1, ne, length, Operand(zero_reg)); bind(&word_loop); if (emit_debug_code()) { And(scratch, src, kPointerSize - 1); Assert(eq, kExpectingAlignmentForCopyBytes, scratch, Operand(zero_reg)); } Branch(&byte_loop, lt, length, Operand(kPointerSize)); ld(scratch, MemOperand(src)); Daddu(src, src, kPointerSize); sb(scratch, MemOperand(dst, 0)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 1)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 2)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 3)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 4)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 5)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 6)); dsrl(scratch, scratch, 8); sb(scratch, MemOperand(dst, 7)); Daddu(dst, dst, 8); Dsubu(length, length, Operand(kPointerSize)); Branch(&word_loop); bind(&byte_loop); Branch(&done, eq, length, Operand(zero_reg)); bind(&byte_loop_1); lbu(scratch, MemOperand(src)); Daddu(src, src, 1); sb(scratch, MemOperand(dst)); Daddu(dst, dst, 1); Dsubu(length, length, Operand(1)); Branch(&byte_loop_1, ne, length, Operand(zero_reg)); bind(&done); } void MacroAssembler::InitializeFieldsWithFiller(Register start_offset, Register end_offset, Register filler) { Label loop, entry; Branch(&entry); bind(&loop); sd(filler, MemOperand(start_offset)); Daddu(start_offset, start_offset, kPointerSize); bind(&entry); Branch(&loop, lt, start_offset, Operand(end_offset)); } void MacroAssembler::CheckFastElements(Register map, Register scratch, Label* fail) { STATIC_ASSERT(FAST_SMI_ELEMENTS == 0); STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1); STATIC_ASSERT(FAST_ELEMENTS == 2); STATIC_ASSERT(FAST_HOLEY_ELEMENTS == 3); lbu(scratch, FieldMemOperand(map, Map::kBitField2Offset)); Branch(fail, hi, scratch, Operand(Map::kMaximumBitField2FastHoleyElementValue)); } void MacroAssembler::CheckFastObjectElements(Register map, Register scratch, Label* fail) { STATIC_ASSERT(FAST_SMI_ELEMENTS == 0); STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1); STATIC_ASSERT(FAST_ELEMENTS == 2); STATIC_ASSERT(FAST_HOLEY_ELEMENTS == 3); lbu(scratch, FieldMemOperand(map, Map::kBitField2Offset)); Branch(fail, ls, scratch, Operand(Map::kMaximumBitField2FastHoleySmiElementValue)); Branch(fail, hi, scratch, Operand(Map::kMaximumBitField2FastHoleyElementValue)); } void MacroAssembler::CheckFastSmiElements(Register map, Register scratch, Label* fail) { STATIC_ASSERT(FAST_SMI_ELEMENTS == 0); STATIC_ASSERT(FAST_HOLEY_SMI_ELEMENTS == 1); lbu(scratch, FieldMemOperand(map, Map::kBitField2Offset)); Branch(fail, hi, scratch, Operand(Map::kMaximumBitField2FastHoleySmiElementValue)); } void MacroAssembler::StoreNumberToDoubleElements(Register value_reg, Register key_reg, Register elements_reg, Register scratch1, Register scratch2, Register scratch3, Label* fail, int elements_offset) { Label smi_value, maybe_nan, have_double_value, is_nan, done; Register mantissa_reg = scratch2; Register exponent_reg = scratch3; JumpIfSmi(value_reg, &smi_value); CheckMap(value_reg, scratch1, Heap::kHeapNumberMapRootIndex, fail, DONT_DO_SMI_CHECK); li(scratch1, Operand(kNaNOrInfinityLowerBoundUpper32)); lw(exponent_reg, FieldMemOperand(value_reg, HeapNumber::kExponentOffset)); Branch(&maybe_nan, ge, exponent_reg, Operand(scratch1)); lwu(mantissa_reg, FieldMemOperand(value_reg, HeapNumber::kMantissaOffset)); bind(&have_double_value); dsra(scratch1, key_reg, 32 - kDoubleSizeLog2); Daddu(scratch1, scratch1, elements_reg); sw(mantissa_reg, FieldMemOperand( scratch1, FixedDoubleArray::kHeaderSize - elements_offset)); uint32_t offset = FixedDoubleArray::kHeaderSize - elements_offset + sizeof(kHoleNanLower32); sw(exponent_reg, FieldMemOperand(scratch1, offset)); jmp(&done); bind(&maybe_nan); lw(mantissa_reg, FieldMemOperand(value_reg, HeapNumber::kMantissaOffset)); Branch(&have_double_value, eq, mantissa_reg, Operand(zero_reg)); bind(&is_nan); LoadRoot(at, Heap::kNanValueRootIndex); lw(mantissa_reg, FieldMemOperand(at, HeapNumber::kMantissaOffset)); lw(exponent_reg, FieldMemOperand(at, HeapNumber::kExponentOffset)); jmp(&have_double_value); bind(&smi_value); Daddu(scratch1, elements_reg, Operand(FixedDoubleArray::kHeaderSize - kHeapObjectTag - elements_offset)); dsra(scratch2, key_reg, 32 - kDoubleSizeLog2); Daddu(scratch1, scratch1, scratch2); Register untagged_value = elements_reg; SmiUntag(untagged_value, value_reg); mtc1(untagged_value, f2); cvt_d_w(f0, f2); sdc1(f0, MemOperand(scratch1, 0)); bind(&done); } void MacroAssembler::CompareMapAndBranch(Register obj, Register scratch, Handle<Map> map, Label* early_success, Condition cond, Label* branch_to) { ld(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); CompareMapAndBranch(scratch, map, early_success, cond, branch_to); } void MacroAssembler::CompareMapAndBranch(Register obj_map, Handle<Map> map, Label* early_success, Condition cond, Label* branch_to) { Branch(branch_to, cond, obj_map, Operand(map)); } void MacroAssembler::CheckMap(Register obj, Register scratch, Handle<Map> map, Label* fail, SmiCheckType smi_check_type) { if (smi_check_type == DO_SMI_CHECK) { JumpIfSmi(obj, fail); } Label success; CompareMapAndBranch(obj, scratch, map, &success, ne, fail); bind(&success); } void MacroAssembler::DispatchMap(Register obj, Register scratch, Handle<Map> map, Handle<Code> success, SmiCheckType smi_check_type) { Label fail; if (smi_check_type == DO_SMI_CHECK) { JumpIfSmi(obj, &fail); } ld(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); Jump(success, RelocInfo::CODE_TARGET, eq, scratch, Operand(map)); bind(&fail); } void MacroAssembler::CheckMap(Register obj, Register scratch, Heap::RootListIndex index, Label* fail, SmiCheckType smi_check_type) { if (smi_check_type == DO_SMI_CHECK) { JumpIfSmi(obj, fail); } ld(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); LoadRoot(at, index); Branch(fail, ne, scratch, Operand(at)); } void MacroAssembler::MovFromFloatResult(const DoubleRegister dst) { if (IsMipsSoftFloatABI) { Move(dst, v0, v1); } else { Move(dst, f0); } } void MacroAssembler::MovFromFloatParameter(const DoubleRegister dst) { if (IsMipsSoftFloatABI) { Move(dst, a0, a1); } else { Move(dst, f12); } } void MacroAssembler::MovToFloatParameter(DoubleRegister src) { if (!IsMipsSoftFloatABI) { Move(f12, src); } else { Move(a0, a1, src); } } void MacroAssembler::MovToFloatResult(DoubleRegister src) { if (!IsMipsSoftFloatABI) { Move(f0, src); } else { Move(v0, v1, src); } } void MacroAssembler::MovToFloatParameters(DoubleRegister src1, DoubleRegister src2) { if (!IsMipsSoftFloatABI) { const DoubleRegister fparg2 = (kMipsAbi == kN64) ? f13 : f14; if (src2.is(f12)) { DCHECK(!src1.is(fparg2)); Move(fparg2, src2); Move(f12, src1); } else { Move(f12, src1); Move(fparg2, src2); } } else { Move(a0, a1, src1); Move(a2, a3, src2); } } void MacroAssembler::InvokePrologue(const ParameterCount& expected, const ParameterCount& actual, Handle<Code> code_constant, Register code_reg, Label* done, bool* definitely_mismatches, InvokeFlag flag, const CallWrapper& call_wrapper) { bool definitely_matches = false; *definitely_mismatches = false; Label regular_invoke; DCHECK(actual.is_immediate() || actual.reg().is(a0)); DCHECK(expected.is_immediate() || expected.reg().is(a2)); DCHECK((!code_constant.is_null() && code_reg.is(no_reg)) || code_reg.is(a3)); if (expected.is_immediate()) { DCHECK(actual.is_immediate()); if (expected.immediate() == actual.immediate()) { definitely_matches = true; } else { li(a0, Operand(actual.immediate())); const int sentinel = SharedFunctionInfo::kDontAdaptArgumentsSentinel; if (expected.immediate() == sentinel) { definitely_matches = true; } else { *definitely_mismatches = true; li(a2, Operand(expected.immediate())); } } } else if (actual.is_immediate()) { Branch(&regular_invoke, eq, expected.reg(), Operand(actual.immediate())); li(a0, Operand(actual.immediate())); } else { Branch(&regular_invoke, eq, expected.reg(), Operand(actual.reg())); } if (!definitely_matches) { if (!code_constant.is_null()) { li(a3, Operand(code_constant)); daddiu(a3, a3, Code::kHeaderSize - kHeapObjectTag); } Handle<Code> adaptor = isolate()->builtins()->ArgumentsAdaptorTrampoline(); if (flag == CALL_FUNCTION) { call_wrapper.BeforeCall(CallSize(adaptor)); Call(adaptor); call_wrapper.AfterCall(); if (!*definitely_mismatches) { Branch(done); } } else { Jump(adaptor, RelocInfo::CODE_TARGET); } bind(&regular_invoke); } } void MacroAssembler::InvokeCode(Register code, const ParameterCount& expected, const ParameterCount& actual, InvokeFlag flag, const CallWrapper& call_wrapper) { DCHECK(flag == JUMP_FUNCTION || has_frame()); Label done; bool definitely_mismatches = false; InvokePrologue(expected, actual, Handle<Code>::null(), code, &done, &definitely_mismatches, flag, call_wrapper); if (!definitely_mismatches) { if (flag == CALL_FUNCTION) { call_wrapper.BeforeCall(CallSize(code)); Call(code); call_wrapper.AfterCall(); } else { DCHECK(flag == JUMP_FUNCTION); Jump(code); } bind(&done); } } void MacroAssembler::InvokeFunction(Register function, const ParameterCount& actual, InvokeFlag flag, const CallWrapper& call_wrapper) { DCHECK(flag == JUMP_FUNCTION || has_frame()); DCHECK(function.is(a1)); Register expected_reg = a2; Register code_reg = a3; ld(code_reg, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset)); ld(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); lw(expected_reg, FieldMemOperand(code_reg, SharedFunctionInfo::kFormalParameterCountOffset)); ld(code_reg, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); ParameterCount expected(expected_reg); InvokeCode(code_reg, expected, actual, flag, call_wrapper); } void MacroAssembler::InvokeFunction(Register function, const ParameterCount& expected, const ParameterCount& actual, InvokeFlag flag, const CallWrapper& call_wrapper) { DCHECK(flag == JUMP_FUNCTION || has_frame()); DCHECK(function.is(a1)); ld(cp, FieldMemOperand(a1, JSFunction::kContextOffset)); ld(a3, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); InvokeCode(a3, expected, actual, flag, call_wrapper); } void MacroAssembler::InvokeFunction(Handle<JSFunction> function, const ParameterCount& expected, const ParameterCount& actual, InvokeFlag flag, const CallWrapper& call_wrapper) { li(a1, function); InvokeFunction(a1, expected, actual, flag, call_wrapper); } void MacroAssembler::IsObjectJSObjectType(Register heap_object, Register map, Register scratch, Label* fail) { ld(map, FieldMemOperand(heap_object, HeapObject::kMapOffset)); IsInstanceJSObjectType(map, scratch, fail); } void MacroAssembler::IsInstanceJSObjectType(Register map, Register scratch, Label* fail) { lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset)); Branch(fail, lt, scratch, Operand(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE)); Branch(fail, gt, scratch, Operand(LAST_NONCALLABLE_SPEC_OBJECT_TYPE)); } void MacroAssembler::IsObjectJSStringType(Register object, Register scratch, Label* fail) { DCHECK(kNotStringTag != 0); ld(scratch, FieldMemOperand(object, HeapObject::kMapOffset)); lbu(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset)); And(scratch, scratch, Operand(kIsNotStringMask)); Branch(fail, ne, scratch, Operand(zero_reg)); } void MacroAssembler::IsObjectNameType(Register object, Register scratch, Label* fail) { ld(scratch, FieldMemOperand(object, HeapObject::kMapOffset)); lbu(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset)); Branch(fail, hi, scratch, Operand(LAST_NAME_TYPE)); } void MacroAssembler::TryGetFunctionPrototype(Register function, Register result, Register scratch, Label* miss, bool miss_on_bound_function) { Label non_instance; if (miss_on_bound_function) { JumpIfSmi(function, miss); GetObjectType(function, result, scratch); Branch(miss, ne, scratch, Operand(JS_FUNCTION_TYPE)); ld(scratch, FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset)); lwu(scratch, FieldMemOperand(scratch, SharedFunctionInfo::kCompilerHintsOffset)); And(scratch, scratch, Operand(1 << SharedFunctionInfo::kBoundFunction)); Branch(miss, ne, scratch, Operand(zero_reg)); lbu(scratch, FieldMemOperand(result, Map::kBitFieldOffset)); And(scratch, scratch, Operand(1 << Map::kHasNonInstancePrototype)); Branch(&non_instance, ne, scratch, Operand(zero_reg)); } ld(result, FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); LoadRoot(t8, Heap::kTheHoleValueRootIndex); Branch(miss, eq, result, Operand(t8)); Label done; GetObjectType(result, scratch, scratch); Branch(&done, ne, scratch, Operand(MAP_TYPE)); ld(result, FieldMemOperand(result, Map::kPrototypeOffset)); if (miss_on_bound_function) { jmp(&done); bind(&non_instance); ld(result, FieldMemOperand(result, Map::kConstructorOffset)); } bind(&done); } void MacroAssembler::GetObjectType(Register object, Register map, Register type_reg) { ld(map, FieldMemOperand(object, HeapObject::kMapOffset)); lbu(type_reg, FieldMemOperand(map, Map::kInstanceTypeOffset)); } void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id, Condition cond, Register r1, const Operand& r2, BranchDelaySlot bd) { DCHECK(AllowThisStubCall(stub)); Call(stub->GetCode(), RelocInfo::CODE_TARGET, ast_id, cond, r1, r2, bd); } void MacroAssembler::TailCallStub(CodeStub* stub, Condition cond, Register r1, const Operand& r2, BranchDelaySlot bd) { Jump(stub->GetCode(), RelocInfo::CODE_TARGET, cond, r1, r2, bd); } static int AddressOffset(ExternalReference ref0, ExternalReference ref1) { int64_t offset = (ref0.address() - ref1.address()); DCHECK(static_cast<int>(offset) == offset); return static_cast<int>(offset); } void MacroAssembler::CallApiFunctionAndReturn( Register function_address, ExternalReference thunk_ref, int stack_space, MemOperand return_value_operand, MemOperand* context_restore_operand) { ExternalReference next_address = ExternalReference::handle_scope_next_address(isolate()); const int kNextOffset = 0; const int kLimitOffset = AddressOffset( ExternalReference::handle_scope_limit_address(isolate()), next_address); const int kLevelOffset = AddressOffset( ExternalReference::handle_scope_level_address(isolate()), next_address); DCHECK(function_address.is(a1) || function_address.is(a2)); Label profiler_disabled; Label end_profiler_check; li(t9, Operand(ExternalReference::is_profiling_address(isolate()))); lb(t9, MemOperand(t9, 0)); Branch(&profiler_disabled, eq, t9, Operand(zero_reg)); li(t9, Operand(thunk_ref)); jmp(&end_profiler_check); bind(&profiler_disabled); mov(t9, function_address); bind(&end_profiler_check); li(s3, Operand(next_address)); ld(s0, MemOperand(s3, kNextOffset)); ld(s1, MemOperand(s3, kLimitOffset)); ld(s2, MemOperand(s3, kLevelOffset)); Daddu(s2, s2, Operand(1)); sd(s2, MemOperand(s3, kLevelOffset)); if (FLAG_log_timer_events) { FrameScope frame(this, StackFrame::MANUAL); PushSafepointRegisters(); PrepareCallCFunction(1, a0); li(a0, Operand(ExternalReference::isolate_address(isolate()))); CallCFunction(ExternalReference::log_enter_external_function(isolate()), 1); PopSafepointRegisters(); } DirectCEntryStub stub(isolate()); stub.GenerateCall(this, t9); if (FLAG_log_timer_events) { FrameScope frame(this, StackFrame::MANUAL); PushSafepointRegisters(); PrepareCallCFunction(1, a0); li(a0, Operand(ExternalReference::isolate_address(isolate()))); CallCFunction(ExternalReference::log_leave_external_function(isolate()), 1); PopSafepointRegisters(); } Label promote_scheduled_exception; Label exception_handled; Label delete_allocated_handles; Label leave_exit_frame; Label return_value_loaded; ld(v0, return_value_operand); bind(&return_value_loaded); sd(s0, MemOperand(s3, kNextOffset)); if (emit_debug_code()) { ld(a1, MemOperand(s3, kLevelOffset)); Check(eq, kUnexpectedLevelAfterReturnFromApiCall, a1, Operand(s2)); } Dsubu(s2, s2, Operand(1)); sd(s2, MemOperand(s3, kLevelOffset)); ld(at, MemOperand(s3, kLimitOffset)); Branch(&delete_allocated_handles, ne, s1, Operand(at)); bind(&leave_exit_frame); LoadRoot(a4, Heap::kTheHoleValueRootIndex); li(at, Operand(ExternalReference::scheduled_exception_address(isolate()))); ld(a5, MemOperand(at)); Branch(&promote_scheduled_exception, ne, a4, Operand(a5)); bind(&exception_handled); bool restore_context = context_restore_operand != NULL; if (restore_context) { ld(cp, *context_restore_operand); } li(s0, Operand(stack_space)); LeaveExitFrame(false, s0, !restore_context, EMIT_RETURN); bind(&promote_scheduled_exception); { FrameScope frame(this, StackFrame::INTERNAL); CallExternalReference( ExternalReference(Runtime::kPromoteScheduledException, isolate()), 0); } jmp(&exception_handled); bind(&delete_allocated_handles); sd(s1, MemOperand(s3, kLimitOffset)); mov(s0, v0); mov(a0, v0); PrepareCallCFunction(1, s1); li(a0, Operand(ExternalReference::isolate_address(isolate()))); CallCFunction(ExternalReference::delete_handle_scope_extensions(isolate()), 1); mov(v0, s0); jmp(&leave_exit_frame); } bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { return has_frame_ || !stub->SometimesSetsUpAFrame(); } void MacroAssembler::IndexFromHash(Register hash, Register index) { DCHECK(TenToThe(String::kMaxCachedArrayIndexLength) < (1 << String::kArrayIndexValueBits)); DecodeFieldToSmi<String::ArrayIndexValueBits>(index, hash); } void MacroAssembler::ObjectToDoubleFPURegister(Register object, FPURegister result, Register scratch1, Register scratch2, Register heap_number_map, Label* not_number, ObjectToDoubleFlags flags) { Label done; if ((flags & OBJECT_NOT_SMI) == 0) { Label not_smi; JumpIfNotSmi(object, &not_smi); dsra32(scratch1, object, 0); mtc1(scratch1, result); cvt_d_w(result, result); Branch(&done); bind(&not_smi); } ld(scratch1, FieldMemOperand(object, HeapObject::kMapOffset)); Branch(not_number, ne, scratch1, Operand(heap_number_map)); if ((flags & AVOID_NANS_AND_INFINITIES) != 0) { Register exponent = scratch1; Register mask_reg = scratch2; lwu(exponent, FieldMemOperand(object, HeapNumber::kExponentOffset)); li(mask_reg, HeapNumber::kExponentMask); And(exponent, exponent, mask_reg); Branch(not_number, eq, exponent, Operand(mask_reg)); } ldc1(result, FieldMemOperand(object, HeapNumber::kValueOffset)); bind(&done); } void MacroAssembler::SmiToDoubleFPURegister(Register smi, FPURegister value, Register scratch1) { dsra32(scratch1, smi, 0); mtc1(scratch1, value); cvt_d_w(value, value); } void MacroAssembler::AdduAndCheckForOverflow(Register dst, Register left, Register right, Register overflow_dst, Register scratch) { DCHECK(!dst.is(overflow_dst)); DCHECK(!dst.is(scratch)); DCHECK(!overflow_dst.is(scratch)); DCHECK(!overflow_dst.is(left)); DCHECK(!overflow_dst.is(right)); if (left.is(right) && dst.is(left)) { DCHECK(!dst.is(t9)); DCHECK(!scratch.is(t9)); DCHECK(!left.is(t9)); DCHECK(!right.is(t9)); DCHECK(!overflow_dst.is(t9)); mov(t9, right); right = t9; } if (dst.is(left)) { mov(scratch, left); daddu(dst, left, right); xor_(scratch, dst, scratch); xor_(overflow_dst, dst, right); and_(overflow_dst, overflow_dst, scratch); } else if (dst.is(right)) { mov(scratch, right); daddu(dst, left, right); xor_(scratch, dst, scratch); xor_(overflow_dst, dst, left); and_(overflow_dst, overflow_dst, scratch); } else { daddu(dst, left, right); xor_(overflow_dst, dst, left); xor_(scratch, dst, right); and_(overflow_dst, scratch, overflow_dst); } } void MacroAssembler::SubuAndCheckForOverflow(Register dst, Register left, Register right, Register overflow_dst, Register scratch) { DCHECK(!dst.is(overflow_dst)); DCHECK(!dst.is(scratch)); DCHECK(!overflow_dst.is(scratch)); DCHECK(!overflow_dst.is(left)); DCHECK(!overflow_dst.is(right)); DCHECK(!scratch.is(left)); DCHECK(!scratch.is(right)); if (left.is(right)) { mov(dst, zero_reg); mov(overflow_dst, zero_reg); return; } if (dst.is(left)) { mov(scratch, left); dsubu(dst, left, right); xor_(overflow_dst, dst, scratch); xor_(scratch, scratch, right); and_(overflow_dst, scratch, overflow_dst); } else if (dst.is(right)) { mov(scratch, right); dsubu(dst, left, right); xor_(overflow_dst, dst, left); xor_(scratch, left, scratch); and_(overflow_dst, scratch, overflow_dst); } else { dsubu(dst, left, right); xor_(overflow_dst, dst, left); xor_(scratch, left, right); and_(overflow_dst, scratch, overflow_dst); } } void MacroAssembler::CallRuntime(const Runtime::Function* f, int num_arguments, SaveFPRegsMode save_doubles) { CHECK(f->nargs < 0 || f->nargs == num_arguments); PrepareCEntryArgs(num_arguments); PrepareCEntryFunction(ExternalReference(f, isolate())); CEntryStub stub(isolate(), 1, save_doubles); CallStub(&stub); } void MacroAssembler::CallExternalReference(const ExternalReference& ext, int num_arguments, BranchDelaySlot bd) { PrepareCEntryArgs(num_arguments); PrepareCEntryFunction(ext); CEntryStub stub(isolate(), 1); CallStub(&stub, TypeFeedbackId::None(), al, zero_reg, Operand(zero_reg), bd); } void MacroAssembler::TailCallExternalReference(const ExternalReference& ext, int num_arguments, int result_size) { PrepareCEntryArgs(num_arguments); JumpToExternalReference(ext); } void MacroAssembler::TailCallRuntime(Runtime::FunctionId fid, int num_arguments, int result_size) { TailCallExternalReference(ExternalReference(fid, isolate()), num_arguments, result_size); } void MacroAssembler::JumpToExternalReference(const ExternalReference& builtin, BranchDelaySlot bd) { PrepareCEntryFunction(builtin); CEntryStub stub(isolate(), 1); Jump(stub.GetCode(), RelocInfo::CODE_TARGET, al, zero_reg, Operand(zero_reg), bd); } void MacroAssembler::InvokeBuiltin(Builtins::JavaScript id, InvokeFlag flag, const CallWrapper& call_wrapper) { DCHECK(flag == JUMP_FUNCTION || has_frame()); GetBuiltinEntry(t9, id); if (flag == CALL_FUNCTION) { call_wrapper.BeforeCall(CallSize(t9)); Call(t9); call_wrapper.AfterCall(); } else { DCHECK(flag == JUMP_FUNCTION); Jump(t9); } } void MacroAssembler::GetBuiltinFunction(Register target, Builtins::JavaScript id) { ld(target, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); ld(target, FieldMemOperand(target, GlobalObject::kBuiltinsOffset)); ld(target, FieldMemOperand(target, JSBuiltinsObject::OffsetOfFunctionWithId(id))); } void MacroAssembler::GetBuiltinEntry(Register target, Builtins::JavaScript id) { DCHECK(!target.is(a1)); GetBuiltinFunction(a1, id); ld(target, FieldMemOperand(a1, JSFunction::kCodeEntryOffset)); } void MacroAssembler::SetCounter(StatsCounter* counter, int value, Register scratch1, Register scratch2) { if (FLAG_native_code_counters && counter->Enabled()) { li(scratch1, Operand(value)); li(scratch2, Operand(ExternalReference(counter))); sd(scratch1, MemOperand(scratch2)); } } void MacroAssembler::IncrementCounter(StatsCounter* counter, int value, Register scratch1, Register scratch2) { DCHECK(value > 0); if (FLAG_native_code_counters && counter->Enabled()) { li(scratch2, Operand(ExternalReference(counter))); ld(scratch1, MemOperand(scratch2)); Daddu(scratch1, scratch1, Operand(value)); sd(scratch1, MemOperand(scratch2)); } } void MacroAssembler::DecrementCounter(StatsCounter* counter, int value, Register scratch1, Register scratch2) { DCHECK(value > 0); if (FLAG_native_code_counters && counter->Enabled()) { li(scratch2, Operand(ExternalReference(counter))); ld(scratch1, MemOperand(scratch2)); Dsubu(scratch1, scratch1, Operand(value)); sd(scratch1, MemOperand(scratch2)); } } void MacroAssembler::Assert(Condition cc, BailoutReason reason, Register rs, Operand rt) { if (emit_debug_code()) Check(cc, reason, rs, rt); } void MacroAssembler::AssertFastElements(Register elements) { if (emit_debug_code()) { DCHECK(!elements.is(at)); Label ok; push(elements); ld(elements, FieldMemOperand(elements, HeapObject::kMapOffset)); LoadRoot(at, Heap::kFixedArrayMapRootIndex); Branch(&ok, eq, elements, Operand(at)); LoadRoot(at, Heap::kFixedDoubleArrayMapRootIndex); Branch(&ok, eq, elements, Operand(at)); LoadRoot(at, Heap::kFixedCOWArrayMapRootIndex); Branch(&ok, eq, elements, Operand(at)); Abort(kJSObjectWithFastElementsMapHasSlowElements); bind(&ok); pop(elements); } } void MacroAssembler::Check(Condition cc, BailoutReason reason, Register rs, Operand rt) { Label L; Branch(&L, cc, rs, rt); Abort(reason); bind(&L); } void MacroAssembler::Abort(BailoutReason reason) { Label abort_start; bind(&abort_start); const char* msg = GetBailoutReason(reason); if (msg != NULL) { RecordComment(�); RecordComment(msg); } if (FLAG_trap_on_abort) { stop(msg); return; } li(a0, Operand(Smi::FromInt(reason))); push(a0); if (!has_frame_) { FrameScope scope(this, StackFrame::NONE); CallRuntime(Runtime::kAbort, 1); } else { CallRuntime(Runtime::kAbort, 1); } if (is_trampoline_pool_blocked()) { static const int kExpectedAbortInstructions = 10; int abort_instructions = InstructionsGeneratedSince(&abort_start); DCHECK(abort_instructions <= kExpectedAbortInstructions); while (abort_instructions++ < kExpectedAbortInstructions) { nop(); } } } void MacroAssembler::LoadContext(Register dst, int context_chain_length) { if (context_chain_length > 0) { ld(dst, MemOperand(cp, Context::SlotOffset(Context::PREVIOUS_INDEX))); for (int i = 1; i < context_chain_length; i++) { ld(dst, MemOperand(dst, Context::SlotOffset(Context::PREVIOUS_INDEX))); } } else { Move(dst, cp); } } void MacroAssembler::LoadTransitionedArrayMapConditional( ElementsKind expected_kind, ElementsKind transitioned_kind, Register map_in_out, Register scratch, Label* no_map_match) { ld(scratch, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); ld(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset)); ld(scratch, MemOperand(scratch, Context::SlotOffset(Context::JS_ARRAY_MAPS_INDEX))); size_t offset = expected_kind * kPointerSize + FixedArrayBase::kHeaderSize; ld(at, FieldMemOperand(scratch, offset)); Branch(no_map_match, ne, map_in_out, Operand(at)); offset = transitioned_kind * kPointerSize + FixedArrayBase::kHeaderSize; ld(map_in_out, FieldMemOperand(scratch, offset)); } void MacroAssembler::LoadGlobalFunction(int index, Register function) { ld(function, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); ld(function, FieldMemOperand(function, GlobalObject::kNativeContextOffset)); ld(function, MemOperand(function, Context::SlotOffset(index))); } void MacroAssembler::LoadGlobalFunctionInitialMap(Register function, Register map, Register scratch) { ld(map, FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); if (emit_debug_code()) { Label ok, fail; CheckMap(map, scratch, Heap::kMetaMapRootIndex, &fail, DO_SMI_CHECK); Branch(&ok); bind(&fail); Abort(kGlobalFunctionsMustHaveInitialMap); bind(&ok); } } void MacroAssembler::StubPrologue() { Push(ra, fp, cp); Push(Smi::FromInt(StackFrame::STUB)); Daddu(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); } void MacroAssembler::Prologue(bool code_pre_aging) { PredictableCodeSizeScope predictible_code_size_scope( this, kNoCodeAgeSequenceLength); if (code_pre_aging) { Code* stub = Code::GetPreAgedCodeAgeStub(isolate()); nop(Assembler::CODE_AGE_MARKER_NOP); li(t9, Operand(reinterpret_cast<uint64_t>(stub->instruction_start())), ADDRESS_LOAD); nop(); jalr(t9, a0); nop(); nop(); } else { Push(ra, fp, cp, a1); nop(Assembler::CODE_AGE_SEQUENCE_NOP); nop(Assembler::CODE_AGE_SEQUENCE_NOP); nop(Assembler::CODE_AGE_SEQUENCE_NOP); Daddu(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); } } void MacroAssembler::EnterFrame(StackFrame::Type type) { daddiu(sp, sp, -5 * kPointerSize); li(t8, Operand(Smi::FromInt(type))); li(t9, Operand(CodeObject()), CONSTANT_SIZE); sd(ra, MemOperand(sp, 4 * kPointerSize)); sd(fp, MemOperand(sp, 3 * kPointerSize)); sd(cp, MemOperand(sp, 2 * kPointerSize)); sd(t8, MemOperand(sp, 1 * kPointerSize)); sd(t9, MemOperand(sp, 0 * kPointerSize)); Daddu(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize)); } void MacroAssembler::LeaveFrame(StackFrame::Type type) { mov(sp, fp); ld(fp, MemOperand(sp, 0 * kPointerSize)); ld(ra, MemOperand(sp, 1 * kPointerSize)); daddiu(sp, sp, 2 * kPointerSize); } void MacroAssembler::EnterExitFrame(bool save_doubles, int stack_space) { STATIC_ASSERT(2 * kPointerSize == ExitFrameConstants::kCallerSPDisplacement); STATIC_ASSERT(1 * kPointerSize == ExitFrameConstants::kCallerPCOffset); STATIC_ASSERT(0 * kPointerSize == ExitFrameConstants::kCallerFPOffset); daddiu(sp, sp, -4 * kPointerSize); sd(ra, MemOperand(sp, 3 * kPointerSize)); sd(fp, MemOperand(sp, 2 * kPointerSize)); daddiu(fp, sp, 2 * kPointerSize); if (emit_debug_code()) { sd(zero_reg, MemOperand(fp, ExitFrameConstants::kSPOffset)); } li(t8, Operand(CodeObject()), CONSTANT_SIZE); sd(t8, MemOperand(fp, ExitFrameConstants::kCodeOffset)); li(t8, Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate()))); sd(fp, MemOperand(t8)); li(t8, Operand(ExternalReference(Isolate::kContextAddress, isolate()))); sd(cp, MemOperand(t8)); const int frame_alignment = MacroAssembler::ActivationFrameAlignment(); if (save_doubles) { int kNumOfSavedRegisters = FPURegister::kMaxNumRegisters / 2; int space = kNumOfSavedRegisters * kDoubleSize ; Dsubu(sp, sp, Operand(space)); for (int i = 0; i < kNumOfSavedRegisters; i++) { FPURegister reg = FPURegister::from_code(2 * i); sdc1(reg, MemOperand(sp, i * kDoubleSize)); } } DCHECK(stack_space >= 0); Dsubu(sp, sp, Operand((stack_space + 2) * kPointerSize)); if (frame_alignment > 0) { DCHECK(base::bits::IsPowerOfTwo32(frame_alignment)); And(sp, sp, Operand(-frame_alignment)); } daddiu(at, sp, kPointerSize); sd(at, MemOperand(fp, ExitFrameConstants::kSPOffset)); } void MacroAssembler::LeaveExitFrame(bool save_doubles, Register argument_count, bool restore_context, bool do_return) { if (save_doubles) { int kNumOfSavedRegisters = FPURegister::kMaxNumRegisters / 2; Dsubu(t8, fp, Operand(ExitFrameConstants::kFrameSize + kNumOfSavedRegisters * kDoubleSize)); for (int i = 0; i < kNumOfSavedRegisters; i++) { FPURegister reg = FPURegister::from_code(2 * i); ldc1(reg, MemOperand(t8, i * kDoubleSize)); } } li(t8, Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate()))); sd(zero_reg, MemOperand(t8)); if (restore_context) { li(t8, Operand(ExternalReference(Isolate::kContextAddress, isolate()))); ld(cp, MemOperand(t8)); } li(t8, Operand(ExternalReference(Isolate::kContextAddress, isolate()))); sd(a3, MemOperand(t8)); mov(sp, fp); ld(fp, MemOperand(sp, ExitFrameConstants::kCallerFPOffset)); ld(ra, MemOperand(sp, ExitFrameConstants::kCallerPCOffset)); if (argument_count.is_valid()) { dsll(t8, argument_count, kPointerSizeLog2); daddu(sp, sp, t8); } if (do_return) { Ret(USE_DELAY_SLOT); } daddiu(sp, sp, 2 * kPointerSize); } void MacroAssembler::InitializeNewString(Register string, Register length, Heap::RootListIndex map_index, Register scratch1, Register scratch2) { dsll32(scratch1, length, 0); LoadRoot(scratch2, map_index); sd(scratch1, FieldMemOperand(string, String::kLengthOffset)); li(scratch1, Operand(String::kEmptyHashField)); sd(scratch2, FieldMemOperand(string, HeapObject::kMapOffset)); sd(scratch1, FieldMemOperand(string, String::kHashFieldOffset)); } int MacroAssembler::ActivationFrameAlignment() { return base::OS::ActivationFrameAlignment(); } void MacroAssembler::AssertStackIsAligned() { if (emit_debug_code()) { const int frame_alignment = ActivationFrameAlignment(); const int frame_alignment_mask = frame_alignment - 1; if (frame_alignment > kPointerSize) { Label alignment_as_expected; DCHECK(base::bits::IsPowerOfTwo32(frame_alignment)); andi(at, sp, frame_alignment_mask); Branch(&alignment_as_expected, eq, at, Operand(zero_reg)); stop(�); bind(&alignment_as_expected); } } } void MacroAssembler::JumpIfNotPowerOfTwoOrZero( Register reg, Register scratch, Label* not_power_of_two_or_zero) { Dsubu(scratch, reg, Operand(1)); Branch(USE_DELAY_SLOT, not_power_of_two_or_zero, lt, scratch, Operand(zero_reg)); and_(at, scratch, reg); Branch(not_power_of_two_or_zero, ne, at, Operand(zero_reg)); } void MacroAssembler::SmiTagCheckOverflow(Register reg, Register overflow) { DCHECK(!reg.is(overflow)); mov(overflow, reg); SmiTag(reg); xor_(overflow, overflow, reg); } void MacroAssembler::SmiTagCheckOverflow(Register dst, Register src, Register overflow) { if (dst.is(src)) { SmiTagCheckOverflow(dst, overflow); } else { DCHECK(!dst.is(src)); DCHECK(!dst.is(overflow)); DCHECK(!src.is(overflow)); SmiTag(dst, src); xor_(overflow, dst, src); } } void MacroAssembler::SmiLoadUntag(Register dst, MemOperand src) { if (SmiValuesAre32Bits()) { lw(dst, UntagSmiMemOperand(src.rm(), src.offset())); } else { lw(dst, src); SmiUntag(dst); } } void MacroAssembler::SmiLoadScale(Register dst, MemOperand src, int scale) { if (SmiValuesAre32Bits()) { lw(dst, UntagSmiMemOperand(src.rm(), src.offset())); dsll(dst, dst, scale); } else { lw(dst, src); DCHECK(scale >= kSmiTagSize); sll(dst, dst, scale - kSmiTagSize); } } void MacroAssembler::SmiLoadWithScale(Register d_smi, Register d_scaled, MemOperand src, int scale) { if (SmiValuesAre32Bits()) { ld(d_smi, src); dsra(d_scaled, d_smi, kSmiShift - scale); } else { lw(d_smi, src); DCHECK(scale >= kSmiTagSize); sll(d_scaled, d_smi, scale - kSmiTagSize); } } void MacroAssembler::SmiLoadUntagWithScale(Register d_int, Register d_scaled, MemOperand src, int scale) { if (SmiValuesAre32Bits()) { lw(d_int, UntagSmiMemOperand(src.rm(), src.offset())); dsll(d_scaled, d_int, scale); } else { lw(d_int, src); SmiUntag(d_int); sll(d_scaled, d_int, scale); } } void MacroAssembler::UntagAndJumpIfSmi(Register dst, Register src, Label* smi_case) { JumpIfSmi(src, smi_case, at, USE_DELAY_SLOT); SmiUntag(dst, src); } void MacroAssembler::UntagAndJumpIfNotSmi(Register dst, Register src, Label* non_smi_case) { JumpIfNotSmi(src, non_smi_case, at, USE_DELAY_SLOT); SmiUntag(dst, src); } void MacroAssembler::JumpIfSmi(Register value, Label* smi_label, Register scratch, BranchDelaySlot bd) { DCHECK_EQ(0, kSmiTag); andi(scratch, value, kSmiTagMask); Branch(bd, smi_label, eq, scratch, Operand(zero_reg)); } void MacroAssembler::JumpIfNotSmi(Register value, Label* not_smi_label, Register scratch, BranchDelaySlot bd) { DCHECK_EQ(0, kSmiTag); andi(scratch, value, kSmiTagMask); Branch(bd, not_smi_label, ne, scratch, Operand(zero_reg)); } void MacroAssembler::JumpIfNotBothSmi(Register reg1, Register reg2, Label* on_not_both_smi) { STATIC_ASSERT(kSmiTag == 0); DCHECK_EQ(1, kSmiTagMask); or_(at, reg1, reg2); JumpIfNotSmi(at, on_not_both_smi); } void MacroAssembler::JumpIfEitherSmi(Register reg1, Register reg2, Label* on_either_smi) { STATIC_ASSERT(kSmiTag == 0); DCHECK_EQ(1, kSmiTagMask); and_(at, reg1, reg2); JumpIfSmi(at, on_either_smi); } void MacroAssembler::AssertNotSmi(Register object) { if (emit_debug_code()) { STATIC_ASSERT(kSmiTag == 0); andi(at, object, kSmiTagMask); Check(ne, kOperandIsASmi, at, Operand(zero_reg)); } } void MacroAssembler::AssertSmi(Register object) { if (emit_debug_code()) { STATIC_ASSERT(kSmiTag == 0); andi(at, object, kSmiTagMask); Check(eq, kOperandIsASmi, at, Operand(zero_reg)); } } void MacroAssembler::AssertString(Register object) { if (emit_debug_code()) { STATIC_ASSERT(kSmiTag == 0); SmiTst(object, a4); Check(ne, kOperandIsASmiAndNotAString, a4, Operand(zero_reg)); push(object); ld(object, FieldMemOperand(object, HeapObject::kMapOffset)); lbu(object, FieldMemOperand(object, Map::kInstanceTypeOffset)); Check(lo, kOperandIsNotAString, object, Operand(FIRST_NONSTRING_TYPE)); pop(object); } } void MacroAssembler::AssertName(Register object) { if (emit_debug_code()) { STATIC_ASSERT(kSmiTag == 0); SmiTst(object, a4); Check(ne, kOperandIsASmiAndNotAName, a4, Operand(zero_reg)); push(object); ld(object, FieldMemOperand(object, HeapObject::kMapOffset)); lbu(object, FieldMemOperand(object, Map::kInstanceTypeOffset)); Check(le, kOperandIsNotAName, object, Operand(LAST_NAME_TYPE)); pop(object); } } void MacroAssembler::AssertUndefinedOrAllocationSite(Register object, Register scratch) { if (emit_debug_code()) { Label done_checking; AssertNotSmi(object); LoadRoot(scratch, Heap::kUndefinedValueRootIndex); Branch(&done_checking, eq, object, Operand(scratch)); push(object); ld(object, FieldMemOperand(object, HeapObject::kMapOffset)); LoadRoot(scratch, Heap::kAllocationSiteMapRootIndex); Assert(eq, kExpectedUndefinedOrCell, object, Operand(scratch)); pop(object); bind(&done_checking); } } void MacroAssembler::AssertIsRoot(Register reg, Heap::RootListIndex index) { if (emit_debug_code()) { DCHECK(!reg.is(at)); LoadRoot(at, index); Check(eq, kHeapNumberMapRegisterClobbered, reg, Operand(at)); } } void MacroAssembler::JumpIfNotHeapNumber(Register object, Register heap_number_map, Register scratch, Label* on_not_heap_number) { ld(scratch, FieldMemOperand(object, HeapObject::kMapOffset)); AssertIsRoot(heap_number_map, Heap::kHeapNumberMapRootIndex); Branch(on_not_heap_number, ne, scratch, Operand(heap_number_map)); } void MacroAssembler::LookupNumberStringCache(Register object, Register result, Register scratch1, Register scratch2, Register scratch3, Label* not_found) { Register number_string_cache = result; Register mask = scratch3; LoadRoot(number_string_cache, Heap::kNumberStringCacheRootIndex); ld(mask, FieldMemOperand(number_string_cache, FixedArray::kLengthOffset)); dsra32(mask, mask, 1); Daddu(mask, mask, -1); Label is_smi; Label load_result_from_cache; JumpIfSmi(object, &is_smi); CheckMap(object, scratch1, Heap::kHeapNumberMapRootIndex, not_found, DONT_DO_SMI_CHECK); STATIC_ASSERT(8 == kDoubleSize); Daddu(scratch1, object, Operand(HeapNumber::kValueOffset - kHeapObjectTag)); ld(scratch2, MemOperand(scratch1, kPointerSize)); ld(scratch1, MemOperand(scratch1, 0)); Xor(scratch1, scratch1, Operand(scratch2)); And(scratch1, scratch1, Operand(mask)); dsll(scratch1, scratch1, kPointerSizeLog2 + 1); Daddu(scratch1, number_string_cache, scratch1); Register probe = mask; ld(probe, FieldMemOperand(scratch1, FixedArray::kHeaderSize)); JumpIfSmi(probe, not_found); ldc1(f12, FieldMemOperand(object, HeapNumber::kValueOffset)); ldc1(f14, FieldMemOperand(probe, HeapNumber::kValueOffset)); BranchF(&load_result_from_cache, NULL, eq, f12, f14); Branch(not_found); bind(&is_smi); Register scratch = scratch1; dsra32(scratch, scratch, 0); And(scratch, mask, Operand(scratch)); dsll(scratch, scratch, kPointerSizeLog2 + 1); Daddu(scratch, number_string_cache, scratch); ld(probe, FieldMemOperand(scratch, FixedArray::kHeaderSize)); Branch(not_found, ne, object, Operand(probe)); bind(&load_result_from_cache); ld(result, FieldMemOperand(scratch, FixedArray::kHeaderSize + kPointerSize)); IncrementCounter(isolate()->counters()->number_to_string_native(), 1, scratch1, scratch2); } void MacroAssembler::JumpIfNonSmisNotBothSequentialOneByteStrings( Register first, Register second, Register scratch1, Register scratch2, Label* failure) { ld(scratch1, FieldMemOperand(first, HeapObject::kMapOffset)); ld(scratch2, FieldMemOperand(second, HeapObject::kMapOffset)); lbu(scratch1, FieldMemOperand(scratch1, Map::kInstanceTypeOffset)); lbu(scratch2, FieldMemOperand(scratch2, Map::kInstanceTypeOffset)); JumpIfBothInstanceTypesAreNotSequentialOneByte(scratch1, scratch2, scratch1, scratch2, failure); } void MacroAssembler::JumpIfNotBothSequentialOneByteStrings(Register first, Register second, Register scratch1, Register scratch2, Label* failure) { STATIC_ASSERT(kSmiTag == 0); And(scratch1, first, Operand(second)); JumpIfSmi(scratch1, failure); JumpIfNonSmisNotBothSequentialOneByteStrings(first, second, scratch1, scratch2, failure); } void MacroAssembler::JumpIfBothInstanceTypesAreNotSequentialOneByte( Register first, Register second, Register scratch1, Register scratch2, Label* failure) { const int kFlatOneByteStringMask = kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask; const int kFlatOneByteStringTag = kStringTag | kOneByteStringTag | kSeqStringTag; DCHECK(kFlatOneByteStringTag <= 0xffff); andi(scratch1, first, kFlatOneByteStringMask); Branch(failure, ne, scratch1, Operand(kFlatOneByteStringTag)); andi(scratch2, second, kFlatOneByteStringMask); Branch(failure, ne, scratch2, Operand(kFlatOneByteStringTag)); } void MacroAssembler::JumpIfInstanceTypeIsNotSequentialOneByte(Register type, Register scratch, Label* failure) { const int kFlatOneByteStringMask = kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask; const int kFlatOneByteStringTag = kStringTag | kOneByteStringTag | kSeqStringTag; And(scratch, type, Operand(kFlatOneByteStringMask)); Branch(failure, ne, scratch, Operand(kFlatOneByteStringTag)); } static const int kRegisterPassedArguments = (kMipsAbi == kN64) ? 8 : 4; int MacroAssembler::CalculateStackPassedWords(int num_reg_arguments, int num_double_arguments) { int stack_passed_words = 0; num_reg_arguments += 2 * num_double_arguments; if (num_reg_arguments > kRegisterPassedArguments) { stack_passed_words += num_reg_arguments - kRegisterPassedArguments; } stack_passed_words += kCArgSlotCount; return stack_passed_words; } void MacroAssembler::EmitSeqStringSetCharCheck(Register string, Register index, Register value, Register scratch, uint32_t encoding_mask) { Label is_object; SmiTst(string, at); Check(ne, kNonObject, at, Operand(zero_reg)); ld(at, FieldMemOperand(string, HeapObject::kMapOffset)); lbu(at, FieldMemOperand(at, Map::kInstanceTypeOffset)); andi(at, at, kStringRepresentationMask | kStringEncodingMask); li(scratch, Operand(encoding_mask)); Check(eq, kUnexpectedStringType, at, Operand(scratch)); ld(at, FieldMemOperand(string, String::kLengthOffset)); Check(lt, kIndexIsTooLarge, index, Operand(at)); DCHECK(Smi::FromInt(0) == 0); Check(ge, kIndexIsNegative, index, Operand(zero_reg)); } void MacroAssembler::PrepareCallCFunction(int num_reg_arguments, int num_double_arguments, Register scratch) { int frame_alignment = ActivationFrameAlignment(); int stack_passed_arguments = CalculateStackPassedWords( num_reg_arguments, num_double_arguments); if (frame_alignment > kPointerSize) { mov(scratch, sp); Dsubu(sp, sp, Operand((stack_passed_arguments + 1) * kPointerSize)); DCHECK(base::bits::IsPowerOfTwo32(frame_alignment)); And(sp, sp, Operand(-frame_alignment)); sd(scratch, MemOperand(sp, stack_passed_arguments * kPointerSize)); } else { Dsubu(sp, sp, Operand(stack_passed_arguments * kPointerSize)); } } void MacroAssembler::PrepareCallCFunction(int num_reg_arguments, Register scratch) { PrepareCallCFunction(num_reg_arguments, 0, scratch); } void MacroAssembler::CallCFunction(ExternalReference function, int num_reg_arguments, int num_double_arguments) { li(t8, Operand(function)); CallCFunctionHelper(t8, num_reg_arguments, num_double_arguments); } void MacroAssembler::CallCFunction(Register function, int num_reg_arguments, int num_double_arguments) { CallCFunctionHelper(function, num_reg_arguments, num_double_arguments); } void MacroAssembler::CallCFunction(ExternalReference function, int num_arguments) { CallCFunction(function, num_arguments, 0); } void MacroAssembler::CallCFunction(Register function, int num_arguments) { CallCFunction(function, num_arguments, 0); } void MacroAssembler::CallCFunctionHelper(Register function, int num_reg_arguments, int num_double_arguments) { DCHECK(has_frame()); if (emit_debug_code()) { int frame_alignment = base::OS::ActivationFrameAlignment(); int frame_alignment_mask = frame_alignment - 1; if (frame_alignment > kPointerSize) { DCHECK(base::bits::IsPowerOfTwo32(frame_alignment)); Label alignment_as_expected; And(at, sp, Operand(frame_alignment_mask)); Branch(&alignment_as_expected, eq, at, Operand(zero_reg)); stop(�); bind(&alignment_as_expected); } } if (!function.is(t9)) { mov(t9, function); function = t9; } Call(function); int stack_passed_arguments = CalculateStackPassedWords( num_reg_arguments, num_double_arguments); if (base::OS::ActivationFrameAlignment() > kPointerSize) argument

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