X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=source%2Fmupen64plus-core%2Fsrc%2Fr4300%2Fnew_dynarec%2Fassem_arm.c;h=6d2f0b1c45fff5c678ccdbd4e9cee9caa6880485;hb=e87f91c8bca5d4d5133bc095ead1ddfdac7f863b;hp=560fc52912b9520f7c458c4a745ae88333a82f0f;hpb=ce68e3b9f89132315d1bd69800e364da96340eb8;p=mupen64plus-pandora.git diff --git a/source/mupen64plus-core/src/r4300/new_dynarec/assem_arm.c b/source/mupen64plus-core/src/r4300/new_dynarec/assem_arm.c index 560fc52..6d2f0b1 100755 --- a/source/mupen64plus-core/src/r4300/new_dynarec/assem_arm.c +++ b/source/mupen64plus-core/src/r4300/new_dynarec/assem_arm.c @@ -4096,6 +4096,22 @@ static void multdiv_assemble_arm(int i,struct regstat *i_regs) } if(opcode2[i]==0x1A) // DIV { + #if 0 + signed char m1l=get_reg(i_regs->regmap,rs1[i]); + signed char m2l=get_reg(i_regs->regmap,rs2[i]); + assert(m1l>=0); + assert(m2l>=0); + save_regs(0x100f); + if(m1l!=0) emit_mov(m1l,0); + if(m2l<1) emit_readword((int)&dynarec_local,1); + else if(m2l>1) emit_mov(m2l,1); + emit_call((int)&div32); + restore_regs(0x100f); + signed char hil=get_reg(i_regs->regmap,HIREG); + if(hil>=0) emit_loadreg(HIREG,hil); + signed char lol=get_reg(i_regs->regmap,LOREG); + if(lol>=0) emit_loadreg(LOREG,lol); + #else signed char d1=get_reg(i_regs->regmap,rs1[i]); signed char d2=get_reg(i_regs->regmap,rs2[i]); assert(d1>=0); @@ -4122,10 +4138,27 @@ static void multdiv_assemble_arm(int i,struct regstat *i_regs) emit_negmi(quotient,quotient); emit_test(d1,d1); emit_negmi(remainder,remainder); + #endif } if(opcode2[i]==0x1B) // DIVU { - signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend + #if 0 + signed char m1l=get_reg(i_regs->regmap,rs1[i]); + signed char m2l=get_reg(i_regs->regmap,rs2[i]); + assert(m1l>=0); + assert(m2l>=0); + save_regs(0x100f); + if(m1l!=0) emit_mov(m1l,0); + if(m2l<1) emit_readword((int)&dynarec_local,1); + else if(m2l>1) emit_mov(m2l,1); + emit_call((int)&divu32); + restore_regs(0x100f); + signed char hil=get_reg(i_regs->regmap,HIREG); + if(hil>=0) emit_loadreg(HIREG,hil); + signed char lol=get_reg(i_regs->regmap,LOREG); + if(lol>=0) emit_loadreg(LOREG,lol); + #else + signed char d1=get_reg(i_regs->regmap,rs1[i]); // dividend signed char d2=get_reg(i_regs->regmap,rs2[i]); // divisor assert(d1>=0); assert(d2>=0); @@ -4145,6 +4178,7 @@ static void multdiv_assemble_arm(int i,struct regstat *i_regs) emit_adcs(quotient,quotient,quotient); emit_shrcc_imm(d2,1,d2); emit_jcc((int)out-16); // -4 + #endif } } else // 64-bit @@ -4201,8 +4235,12 @@ static void multdiv_assemble_arm(int i,struct regstat *i_regs) restore_regs(0x100f); signed char hih=get_reg(i_regs->regmap,HIREG|64); signed char hil=get_reg(i_regs->regmap,HIREG); + if(hih>=0) emit_loadreg(HIREG|64,hih); + if(hil>=0) emit_loadreg(HIREG,hil); signed char loh=get_reg(i_regs->regmap,LOREG|64); signed char lol=get_reg(i_regs->regmap,LOREG); + if(loh>=0) emit_loadreg(LOREG|64,loh); + if(lol>=0) emit_loadreg(LOREG,lol); /*signed char temp=get_reg(i_regs->regmap,-1); signed char rh=get_reg(i_regs->regmap,HIREG|64); signed char rl=get_reg(i_regs->regmap,HIREG); @@ -4328,7 +4366,7 @@ static void multdiv_assemble_arm(int i,struct regstat *i_regs) // Multiply by zero is zero. // MIPS does not have a divide by zero exception. // The result is undefined, we return zero. -/* if((opcode2[i]&4)!=0) // 64-bit + if((opcode2[i]&4)!=0) // 64-bit { signed char hih=get_reg(i_regs->regmap,HIREG|64); signed char hr=get_reg(i_regs->regmap,HIREG); @@ -4338,7 +4376,7 @@ static void multdiv_assemble_arm(int i,struct regstat *i_regs) if(hr>=0) emit_zeroreg(hr); if(loh>=0) emit_zeroreg(loh); if(lr>=0) emit_zeroreg(lr); - } else */ + } else { signed char hr=get_reg(i_regs->regmap,HIREG); signed char lr=get_reg(i_regs->regmap,LOREG);