Index: dart/runtime/vm/intermediate_language_ia32.cc |
=================================================================== |
--- dart/runtime/vm/intermediate_language_ia32.cc (revision 31530) |
+++ dart/runtime/vm/intermediate_language_ia32.cc (working copy) |
@@ -98,13 +98,6 @@ |
#endif |
__ LeaveFrame(); |
__ ret(); |
- |
- // Generate 1 byte NOP so that the debugger can patch the |
- // return pattern with a call to the debug stub. |
- __ nop(1); |
- compiler->AddCurrentDescriptor(PcDescriptors::kReturn, |
- Isolate::kNoDeoptId, |
- token_pos()); |
} |
@@ -742,6 +735,31 @@ |
} |
+LocationSummary* StringToCharCodeInstr::MakeLocationSummary(bool opt) const { |
+ const intptr_t kNumInputs = 1; |
+ return LocationSummary::Make(kNumInputs, |
+ Location::RequiresRegister(), |
+ LocationSummary::kNoCall); |
+} |
+ |
+ |
+void StringToCharCodeInstr::EmitNativeCode(FlowGraphCompiler* compiler) { |
+ ASSERT(cid_ == kOneByteStringCid); |
+ Register str = locs()->in(0).reg(); |
+ Register result = locs()->out().reg(); |
+ Label is_one, done; |
+ __ movl(result, FieldAddress(str, String::length_offset())); |
+ __ cmpl(result, Immediate(Smi::RawValue(1))); |
+ __ j(EQUAL, &is_one, Assembler::kNearJump); |
+ __ movl(result, Immediate(Smi::RawValue(-1))); |
+ __ jmp(&done); |
+ __ Bind(&is_one); |
+ __ movzxb(result, FieldAddress(str, OneByteString::data_offset())); |
+ __ SmiTag(result); |
+ __ Bind(&done); |
+} |
+ |
+ |
LocationSummary* StringInterpolateInstr::MakeLocationSummary(bool opt) const { |
const intptr_t kNumInputs = 1; |
const intptr_t kNumTemps = 0; |
@@ -4468,13 +4486,20 @@ |
} |
+// Length: register or constant. |
+// Index: register, constant or stack slot. |
LocationSummary* CheckArrayBoundInstr::MakeLocationSummary(bool opt) const { |
const intptr_t kNumInputs = 2; |
const intptr_t kNumTemps = 0; |
LocationSummary* locs = |
new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall); |
locs->set_in(kLengthPos, Location::RegisterOrSmiConstant(length())); |
- locs->set_in(kIndexPos, Location::RegisterOrSmiConstant(index())); |
+ ConstantInstr* index_constant = index()->definition()->AsConstant(); |
+ if (index_constant != NULL) { |
+ locs->set_in(kIndexPos, Location::RegisterOrSmiConstant(index())); |
+ } else { |
+ locs->set_in(kIndexPos, Location::PrefersRegister()); |
+ } |
return locs; |
} |
@@ -4509,9 +4534,19 @@ |
__ j(BELOW_EQUAL, deopt); |
} else if (length_loc.IsConstant()) { |
const Smi& length = Smi::Cast(length_loc.constant()); |
- Register index = index_loc.reg(); |
- __ cmpl(index, Immediate(reinterpret_cast<int32_t>(length.raw()))); |
+ if (index_loc.IsStackSlot()) { |
+ const Address& index = index_loc.ToStackSlotAddress(); |
+ __ cmpl(index, Immediate(reinterpret_cast<int32_t>(length.raw()))); |
+ } else { |
+ Register index = index_loc.reg(); |
+ __ cmpl(index, Immediate(reinterpret_cast<int32_t>(length.raw()))); |
+ } |
__ j(ABOVE_EQUAL, deopt); |
+ } else if (index_loc.IsStackSlot()) { |
+ Register length = length_loc.reg(); |
+ const Address& index = index_loc.ToStackSlotAddress(); |
+ __ cmpl(length, index); |
+ __ j(BELOW_EQUAL, deopt); |
} else { |
Register length = length_loc.reg(); |
Register index = index_loc.reg(); |