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arm_disasm: Remove unnecessary code

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This part of disassembly only determines the opcode, there's no need for offset calculation here.
This commit is contained in:
Lioncash 2015-08-06 19:53:20 -04:00
parent 7c7eeb9d34
commit 59d5358068
1 changed files with 4 additions and 12 deletions
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16
src/core/arm/disassembler/arm_disasm.cpp
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@ -779,20 +779,12 @@ Opcode ARM_Disasm::Decode10(uint32_t insn) {
return OP_LDM;
return OP_STM;
}
// Branch or Branch with link
uint8_t is_link = (insn >> 24) & 1;
uint32_t offset = insn & 0xffffff;
// Sign-extend the 24-bit offset
if ((offset >> 23) & 1)
offset |= 0xff000000;
// Pre-compute the left-shift and the prefetch offset
offset <<= 2;
offset += 8;
if (is_link == 0)
return OP_B;
// Branch with link
if ((insn >> 24) & 1)
return OP_BL;
return OP_B;
}
Opcode ARM_Disasm::Decode11(uint32_t insn) {