Emulation/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-04-02 11:01:50 -04:00
Code Issues Projects Releases Packages Wiki Activity

arm64: Avoid setting a reg to zero to store it.

Browse source
This commit is contained in:
Unknown W. Brackets 2015-07-03 16:05:25 -07:00
parent 6327a1300f
commit ca1e482a56
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
Core/MIPS/ARM64/Arm64RegCache.cpp
View file

@ -347,6 +347,10 @@ void Arm64RegCache::DiscardR(MIPSGPReg mipsReg) {
ARM64Reg Arm64RegCache::ARM64RegForFlush(MIPSGPReg r) {
switch (mr[r].loc) {
case ML_IMM:
// Zero is super easy.
if (mr[r].imm == 0) {
return WZR;
}
// Could we get lucky? Check for an exact match in another armreg.
for (int i = 0; i < NUM_MIPSREG; ++i) {
if (mr[i].loc == ML_ARMREG_IMM && mr[i].imm == mr[r].imm) {