diff options
Diffstat (limited to 'Source/JavaScriptCore/assembler/ARMAssembler.cpp')
| -rw-r--r-- | Source/JavaScriptCore/assembler/ARMAssembler.cpp | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/Source/JavaScriptCore/assembler/ARMAssembler.cpp b/Source/JavaScriptCore/assembler/ARMAssembler.cpp index 9655557a5..6912d1ea3 100644 --- a/Source/JavaScriptCore/assembler/ARMAssembler.cpp +++ b/Source/JavaScriptCore/assembler/ARMAssembler.cpp @@ -297,8 +297,15 @@ void ARMAssembler::baseIndexTransfer32(DataTransferTypeA transferType, RegisterI return; } - add(ARMRegisters::S1, base, op2); - dataTransfer32(transferType, srcDst, ARMRegisters::S1, offset); + if (offset <= 0xfffff && offset >= -0xfffff) { + add(ARMRegisters::S0, base, op2); + dataTransfer32(transferType, srcDst, ARMRegisters::S0, offset); + return; + } + + moveImm(offset, ARMRegisters::S0); + add(ARMRegisters::S0, ARMRegisters::S0, op2); + dtrUpRegister(transferType, srcDst, base, ARMRegisters::S0); } void ARMAssembler::dataTransfer16(DataTransferTypeB transferType, RegisterID srcDst, RegisterID base, int32_t offset) @@ -333,8 +340,17 @@ void ARMAssembler::baseIndexTransfer16(DataTransferTypeB transferType, RegisterI return; } - add(ARMRegisters::S1, base, lsl(index, scale)); - dataTransfer16(transferType, srcDst, ARMRegisters::S1, offset); + ARMWord op2 = lsl(index, scale); + + if (offset <= 0xffff && offset >= -0xffff) { + add(ARMRegisters::S0, base, op2); + dataTransfer16(transferType, srcDst, ARMRegisters::S0, offset); + return; + } + + moveImm(offset, ARMRegisters::S0); + add(ARMRegisters::S0, ARMRegisters::S0, op2); + halfDtrUpRegister(transferType, srcDst, base, ARMRegisters::S0); } void ARMAssembler::dataTransferFloat(DataTransferTypeFloat transferType, FPRegisterID srcDst, RegisterID base, int32_t offset) |