ShuriZma
/
dolphin
mirror of https://github.com/dolphin-emu/dolphin.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Jit64: divwx - Improve comments

This commit is contained in:
Sintendo 2021-11-02 00:39:02 +01:00
parent db02b50d2e
commit f18f6cd0a2
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
View File

@ -1496,15 +1496,18 @@ void Jit64::divwx(UGeckoInstruction inst)
X64Reg tmp = RSCRATCH;
if (!Ra.IsSimpleReg())
{
// Load dividend from memory
MOV(32, R(tmp), Ra);
MOV(32, Rd, R(tmp));
}
else if (d == a)
{
// Make a copy of the dividend
MOV(32, R(tmp), Ra);
}
else
{
// Copy dividend directly into destination
MOV(32, Rd, Ra);
tmp = Ra.GetSimpleReg();
}
@ -1538,11 +1541,11 @@ void Jit64::divwx(UGeckoInstruction inst)
else if (d == a)
{
// Rd holds the dividend, while RSCRATCH holds the sum
// This is opposite of the other cases
// This is the reverse of the other cases
dividend = Rd;
sum = RSCRATCH;
src = RSCRATCH;
// Negate condition to compensate the swapped values
// Negate condition to compensate for the swapped values
cond = CC_S;
}
else