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disassembler: Deduplicate SignStr

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Also just makes it return a character, rather than a pointer to a
string.
This commit is contained in:
Lioncash 2016-08-23 10:50:06 -04:00 • committed by MerryMage
parent 8bed891011
commit 867d345fdc
3 changed files with 10 additions and 15 deletions
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11
src/frontend/disassembler/disassembler_arm.cpp
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@ -18,11 +18,6 @@ namespace Arm {
class DisassemblerVisitor {
public:
template<typename T>
const char* SignStr(T value) {
return value >= 0 ? "+" : "-";
}
u32 rotr(u32 x, int shift) {
shift &= 31;
if (!shift) return x;
@ -105,15 +100,15 @@ public:
// Branch instructions
std::string arm_B(Cond cond, Imm24 imm24) {
s32 offset = Common::SignExtend<26, s32>(imm24 << 2) + 8;
return Common::StringFromFormat("b%s %s#%i", CondToString(cond), SignStr(offset), abs(offset));
return Common::StringFromFormat("b%s %c#%i", CondToString(cond), Common::SignToChar(offset), abs(offset));
}
std::string arm_BL(Cond cond, Imm24 imm24) {
s32 offset = Common::SignExtend<26, s32>(imm24 << 2) + 8;
return Common::StringFromFormat("bl%s %s#%i", CondToString(cond), SignStr(offset), abs(offset));
return Common::StringFromFormat("bl%s %c#%i", CondToString(cond), Common::SignToChar(offset), abs(offset));
}
std::string arm_BLX_imm(bool H, Imm24 imm24) {
s32 offset = Common::SignExtend<26, s32>(imm24 << 2) + 8 + (H ? 2 : 0);
return Common::StringFromFormat("blx %s#%i", SignStr(offset), abs(offset));
return Common::StringFromFormat("blx %c#%i", Common::SignToChar(offset), abs(offset));
}
std::string arm_BLX_reg(Cond cond, Reg m) {
return Common::StringFromFormat("blx%s %s", CondToString(cond), RegToString(m));