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Common/GekkoDisassembler: Don't print out '\0' as a character 

Prevents a few instructions from having mangled names in some cases.
This commit is contained in:
Lioncash 2019-07-03 20:12:46 -04:00
parent 0a7395bfba
commit ce30efc6cf
2 changed files with 12 additions and 13 deletions
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23
Source/Core/Common/GekkoDisassembler.cpp
View File

@ -626,11 +626,11 @@ void GekkoDisassembler::bli(u32 in)
m_displacement = d;
}
void GekkoDisassembler::mcrf(u32 in, char c)
void GekkoDisassembler::mcrf(u32 in, std::string_view suffix)
{
if ((in & 0x0063f801) == 0)
{
m_opcode = fmt::format("mcrf{}", c);
m_opcode = fmt::format("mcrf{}", suffix);
m_operands = fmt::format("cr{}, cr{}", PPCGETCRD(in), PPCGETCRA(in));
}
else
@ -680,7 +680,7 @@ void GekkoDisassembler::rlw(u32 in, std::string_view name, int i)
int mb = (int)PPCGETC(in);
int me = (int)PPCGETM(in);
m_opcode = fmt::format("rlw{}{}", name, (in & 1) ? '.' : '\0');
m_opcode = fmt::format("rlw{}{}", name, (in & 1) ? "." : "");
m_operands = fmt::format("{}, {}, {}{}, {}, {} ({:08x})", regnames[a], regnames[s], regsel[i],
bsh, mb, me, HelperRotateMask(bsh, mb, me));
}
@ -699,7 +699,7 @@ void GekkoDisassembler::rld(u32 in, std::string_view name, int i)
int m = (int)(in & 0x7e0) >> 5;
m_flags |= PPCF_64;
m_opcode = fmt::format("rld{}{}", name, (in & 1) ? '.' : '\0');
m_opcode = fmt::format("rld{}{}", name, (in & 1) ? "." : "");
m_operands = fmt::format("{}, {}, {}{}, {}", regnames[a], regnames[s], regsel[i], bsh, m);
}
@ -815,7 +815,7 @@ void GekkoDisassembler::mtcr(u32 in)
}
else
{
m_opcode = fmt::format("mtcr{}", crm == 0xff ? '\0' : 'f');
m_opcode = fmt::format("mtcr{}", crm == 0xff ? "" : "f");
if (crm != 0xff)
m_operands += fmt::format("0x{:02x},", crm);
@ -910,19 +910,18 @@ void GekkoDisassembler::mtb(u32 in)
{
m_operands += regnames[d];
char x;
const char* x = "";
switch (tbr)
{
case 268:
x = 'l';
x = "l";
break;
case 269:
x = 'u';
x = "u";
break;
default:
x = '\0';
m_flags |= PPCF_SUPER;
m_operands += fmt::format(",{}", tbr);
break;
@ -939,7 +938,7 @@ void GekkoDisassembler::sradi(u32 in)
int bsh = (int)(((in & 2) << 4) + PPCGETB(in));
m_flags |= PPCF_64;
m_opcode = fmt::format("sradi{}", (in & 1) ? '.' : '\0');
m_opcode = fmt::format("sradi{}", (in & 1) ? "." : "");
m_operands = fmt::format("{}, {}, {}", regnames[a], regnames[s], bsh);
}
@ -1374,7 +1373,7 @@ u32* GekkoDisassembler::DoDisassembly(bool big_endian)
switch (PPCGETIDX2(in))
{
case 0:
mcrf(in, '\0'); // mcrf
mcrf(in, ""); // mcrf
break;
case 16:
@ -2268,7 +2267,7 @@ u32* GekkoDisassembler::DoDisassembly(bool big_endian)
break;
case 64:
mcrf(in, 's'); // mcrfs
mcrf(in, "s"); // mcrfs
break;
case 70:

2
Source/Core/Common/GekkoDisassembler.h
View File

@ -65,7 +65,7 @@ private:
static size_t branch(u32 in, std::string_view bname, int aform, int bdisp);
static void bc(u32 in);
static void bli(u32 in);
static void mcrf(u32 in, char c);
static void mcrf(u32 in, std::string_view suffix);
static void crop(u32 in, std::string_view n1, std::string_view n2);
static void nooper(u32 in, std::string_view name, unsigned char dmode);
static void rlw(u32 in, std::string_view name, int i);