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fixed a possible zerorec branching error. 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@124 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-09-15 23:23:37 +00:00 committed by Gregory Hainaut
parent 8edd66c662
commit 73c15f56bd
1 changed files with 5 additions and 6 deletions
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11
pcsx2/x86/iVUzerorec.cpp
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@ -103,8 +103,8 @@ using namespace std;
#define VU_EXESIZE 0x00800000
#define _Imm11_ ((s32)(vucode & 0x400 ? 0xfffffc00 | (vucode & 0x3ff) : vucode & 0x3ff)&0x3fff)
#define _UImm11_ ((s32)(vucode & 0x7ff)&0x3fff)
#define _Imm11_ (s32)( (vucode & 0x400) ? (0xfffffc00 | (vucode & 0x3ff)) : (vucode & 0x3ff) )
#define _UImm11_ (s32)(vucode & 0x7ff)
#define _Ft_ ((VU->code >> 16) & 0x1F) // The rt part of the instruction register
#define _Fs_ ((VU->code >> 11) & 0x1F) // The rd part of the instruction register
@ -903,11 +903,10 @@ static VuFunctionHeader* SuperVURecompileProgram(u32 startpc, int vuindex)
}
static int _recbranchAddr(u32 vucode) {
//u32 bpc = pc + (_Imm11_ << 3);
int bpc = pc + (_Imm11_ << 3);
s32 bpc = pc + (_Imm11_ << 3);
if (bpc < 0) { //how can u32 be < 0? (rama)
SysPrintf("Warning: bpc < 0 ( %d ), this should not happen \n", bpc);
if ( bpc < 0 ) {
SysPrintf("zerorec branch warning: bpc < 0 ( %x ); Using unsigned imm11\n", bpc);
bpc = pc + (_UImm11_ << 3);
}
bpc &= (s_MemSize[s_vu]-1);