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

Merge pull request #798 from FioraAeterna/integerflush 

JIT: Don't needlessly flush register state in merged integer+branch code
This commit is contained in:
Ryan Houdek 2014-08-14 12:21:03 -05:00
parent 952eaa2449 97beea1963
commit 64697abe48
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
View File

@ -340,13 +340,13 @@ void Jit64::cmpXX(UGeckoInstruction inst)
js.downcountAmount++; js.downcountAmount++;
js.skipnext = true; js.skipnext = true;
gpr.Flush();
fpr.Flush();
int test_bit = 8 >> (js.next_inst.BI & 3); int test_bit = 8 >> (js.next_inst.BI & 3);
u8 conditionResult = (js.next_inst.BO & BO_BRANCH_IF_TRUE) ? test_bit : 0; u8 conditionResult = (js.next_inst.BO & BO_BRANCH_IF_TRUE) ? test_bit : 0;
if ((compareResult & test_bit) == conditionResult) if ((compareResult & test_bit) == conditionResult)
{ {
gpr.Flush();
fpr.Flush();
if (js.next_inst.OPCD == 16) // bcx if (js.next_inst.OPCD == 16) // bcx
{ {
if (js.next_inst.LK) if (js.next_inst.LK)
@ -430,8 +430,8 @@ void Jit64::cmpXX(UGeckoInstruction inst)
// std::swap(destination1, destination2), condition = !condition; // std::swap(destination1, destination2), condition = !condition;
gpr.UnlockAll(); gpr.UnlockAll();
gpr.Flush(); gpr.Flush(FLUSH_MAINTAIN_STATE);
fpr.Flush(); fpr.Flush(FLUSH_MAINTAIN_STATE);
FixupBranch pDontBranch; FixupBranch pDontBranch;
if (test_bit & 8) if (test_bit & 8)
pDontBranch = J_CC(condition ? CC_GE : CC_L); // Test < 0, so jump over if >= 0. pDontBranch = J_CC(condition ? CC_GE : CC_L); // Test < 0, so jump over if >= 0.