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| author | notaz | 2011-09-25 22:45:35 +0300 |
|---|---|---|
| committer | notaz | 2011-09-27 02:09:35 +0300 |
| commit | bedfea3863c3c48699048ea0d6dd07893221403c (patch) | |
| tree | 341052a29f84653828cb01ea4831f8c17fd317bb /libpcsxcore/new_dynarec/assem_arm.c | |
| parent | 59774ed0120d20c731ee20da88ba6356d184dc8a (diff) | |
| download | pcsx_rearmed-bedfea3863c3c48699048ea0d6dd07893221403c.tar.gz pcsx_rearmed-bedfea3863c3c48699048ea0d6dd07893221403c.tar.bz2 pcsx_rearmed-bedfea3863c3c48699048ea0d6dd07893221403c.zip | |
drc: do gte flag liveness detection
just copy-paste existing code and use _nf handlers from previous patch.
Diffstat (limited to 'libpcsxcore/new_dynarec/assem_arm.c')
| -rw-r--r-- | libpcsxcore/new_dynarec/assem_arm.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c index 2a0a214..adbde59 100644 --- a/libpcsxcore/new_dynarec/assem_arm.c +++ b/libpcsxcore/new_dynarec/assem_arm.c @@ -3796,6 +3796,7 @@ void c2op_assemble(int i,struct regstat *i_regs) signed char temp=get_reg(i_regs->regmap,-1); u_int c2op=source[i]&0x3f; u_int hr,reglist=0; + int need_flags; for(hr=0;hr<HOST_REGS;hr++) { if(i_regs->regmap[hr]>=0) reglist|=1<<hr; } @@ -3809,7 +3810,13 @@ void c2op_assemble(int i,struct regstat *i_regs) emit_addimm(cc,gte_cycletab[c2op]/2,cc); // XXX: could just adjust ccadj? emit_addimm(FP,(int)&psxRegs.CP2D.r[0]-(int)&dynarec_local,0); // cop2 regs emit_writeword(1,(int)&psxRegs.code); - emit_call((int)gte_handlers[c2op]); + need_flags=!(gte_unneeded[i+1]>>63); // +1 because of how liveness detection works + assem_debug("gte unneeded %016llx, need_flags %d\n",gte_unneeded[i+1],need_flags); +#ifdef ARMv5_ONLY + // let's take more risk here + need_flags=need_flags&>e_reads_flags; +#endif + emit_call((int)(need_flags?gte_handlers[c2op]:gte_handlers_nf[c2op])); } if(i>=slen-1||itype[i+1]!=C2OP) |