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vif: handle the special case 0 in the compilation stage (rather than lookup)

This commit is contained in:
Gregory Hainaut 2016-12-15 17:15:58 +01:00
parent 555c96a941
commit d34e99b38b
1 changed files with 6 additions and 4 deletions
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10
pcsx2/x86/newVif_Dynarec.cpp
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@ -57,7 +57,8 @@ VifUnpackSSE_Dynarec::VifUnpackSSE_Dynarec(const nVifStruct& vif_, const nVifBlo
: v(vif_) : v(vif_)
, vB(vifBlock_) , vB(vifBlock_)
{ {
isFill = (vB.cl < vB.wl); const int wl = vB.wl ? vB.wl : 256; //0 is taken as 256 (KH2)
isFill = (vB.cl < wl);
usn = (vB.upkType>>5) & 1; usn = (vB.upkType>>5) & 1;
doMask = (vB.upkType>>4) & 1; doMask = (vB.upkType>>4) & 1;
doMode = vB.mode & 3; doMode = vB.mode & 3;
@ -199,10 +200,11 @@ void VifUnpackSSE_Dynarec::ModUnpack( int upknum, bool PostOp )
} }
void VifUnpackSSE_Dynarec::CompileRoutine() { void VifUnpackSSE_Dynarec::CompileRoutine() {
const int wl = vB.wl ? vB.wl : 256; //0 is taken as 256 (KH2)
const int upkNum = vB.upkType & 0xf; const int upkNum = vB.upkType & 0xf;
const u8& vift = nVifT[upkNum]; const u8& vift = nVifT[upkNum];
const int cycleSize = isFill ? vB.cl : vB.wl; const int cycleSize = isFill ? vB.cl : wl;
const int blockSize = isFill ? vB.wl : vB.cl; const int blockSize = isFill ? wl : vB.cl;
const int skipSize = blockSize - cycleSize; const int skipSize = blockSize - cycleSize;
uint vNum = vB.num ? vB.num : 256; uint vNum = vB.num ? vB.num : 256;
@ -326,7 +328,7 @@ _vifT __fi void dVifUnpack(const u8* data, bool isFill) {
block.num = (u8&)vifRegs.num; block.num = (u8&)vifRegs.num;
block.mode = (u8&)vifRegs.mode; block.mode = (u8&)vifRegs.mode;
block.cl = vifRegs.cycle.cl; block.cl = vifRegs.cycle.cl;
block.wl = vifRegs.cycle.wl ? vifRegs.cycle.wl : 256; block.wl = vifRegs.cycle.wl;
block.aligned = vif.start_aligned; //MTVU doesn't have a packet size! block.aligned = vif.start_aligned; //MTVU doesn't have a packet size!
block.startPtr = 0; // Ease the detection of the end of the hash bucket block.startPtr = 0; // Ease the detection of the end of the hash bucket