diff options
-rw-r--r-- | sim/mips/ChangeLog | 11 | ||||
-rw-r--r-- | sim/mips/mips.igen | 410 |
2 files changed, 145 insertions, 276 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index 4ffef07..43b78c3 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,3 +1,14 @@ +2002-03-02 Chris Demetriou <cgd@broadcom.com> + + * mips.igen (LL, LLD, PREF, SC, SCD, ABS.fmt, ADD.fmt, CEIL.L.fmt, + CEIL.W, CVT.D.fmt, CVT.L.fmt, CVT.S.fmt, CVT.W.fmt, DIV.fmt, + FLOOR.L.fmt, FLOOR.W.fmt, MADD.D, MADD.S, MOV.fmt, MOVtf.fmt, + MSUB.D, MSUB.S, MUL.fmt, NEG.fmt, NMADD.D, NMADD.S, NMSUB.D, + NMSUB.S, PREFX, RECIP.fmt, ROUND.L.fmt, ROUND.W.fmt, RSQRT.fmt, + SQRT.fmt, SUB.fmt, SWC1, SWXC1, TRUNC.L.fmt, TRUNC.W, CACHE): + Don't split opcode fields by hand, use the opcode field values + provided by igen. + 2002-03-01 Chris Demetriou <cgd@broadcom.com> * mips.igen (do_divu): Fix spacing. diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen index b5930d5..1e6eb62 100644 --- a/sim/mips/mips.igen +++ b/sim/mips/mips.igen @@ -1692,12 +1692,10 @@ *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int destreg = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word offset = EXTEND16 (OFFSET); { - address_word vaddr = ((unsigned64)op1 + offset); + address_word vaddr = ((unsigned64)base + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) @@ -1718,7 +1716,7 @@ paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); + GPR[RT] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); LLBIT = 1; } } @@ -1734,13 +1732,11 @@ *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int destreg = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word offset = EXTEND16 (OFFSET); check_u64 (SD_, instruction_0); { - address_word vaddr = ((unsigned64)op1 + offset); + address_word vaddr = ((unsigned64)base + offset); address_word paddr; int uncached; if ((vaddr & 7) != 0) @@ -1754,7 +1750,7 @@ unsigned64 memval = 0; unsigned64 memval1 = 0; LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); - GPR[destreg] = memval; + GPR[RT] = memval; LLBIT = 1; } } @@ -2104,17 +2100,15 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int hint = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word offset = EXTEND16 (OFFSET); { - address_word vaddr = ((unsigned64)op1 + offset); + address_word vaddr = ((unsigned64)base + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - Prefetch(uncached,paddr,vaddr,isDATA,hint); + Prefetch(uncached,paddr,vaddr,isDATA,HINT); } } } @@ -2235,11 +2229,10 @@ *vr5000: { unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word offset = EXTEND16 (OFFSET); { - address_word vaddr = ((unsigned64)op1 + offset); + address_word vaddr = ((unsigned64)base + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) @@ -2256,12 +2249,12 @@ unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = ((unsigned64) op2 << (8 * byte)); + memval = ((unsigned64) GPR[RT] << (8 * byte)); if (LLBIT) { StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } - GPR[(instruction >> 16) & 0x0000001F] = LLBIT; + GPR[RT] = LLBIT; } } } @@ -2276,13 +2269,11 @@ *vr4100: *vr5000: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word offset = EXTEND16 (OFFSET); check_u64 (SD_, instruction_0); { - address_word vaddr = ((unsigned64)op1 + offset); + address_word vaddr = ((unsigned64)base + offset); address_word paddr; int uncached; if ((vaddr & 7) != 0) @@ -2295,12 +2286,12 @@ { unsigned64 memval = 0; unsigned64 memval1 = 0; - memval = op2; + memval = GPR[RT]; if (LLBIT) { StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); } - GPR[(instruction >> 16) & 0x0000001F] = LLBIT; + GPR[RT] = LLBIT; } } } @@ -3058,16 +3049,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,AbsoluteValue(ValueFPR(fs,format),format)); + StoreFPR(FD,fmt,AbsoluteValue(ValueFPR(FS,fmt),fmt)); } } @@ -3084,17 +3072,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction, instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction, instruction_0); else - StoreFPR(destreg,format,Add(ValueFPR(fs,format),ValueFPR(ft,format),format)); + StoreFPR(FD,fmt,Add(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); } } @@ -3233,16 +3217,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long)); + StoreFPR(FD,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(FS,fmt),fmt,fmt_long)); } } @@ -3256,16 +3237,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word)); + StoreFPR(FD,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(FS,fmt),fmt,fmt_word)); } } @@ -3359,16 +3337,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format == fmt_double) | 0) - SignalException(ReservedInstruction,instruction); + if ((fmt == fmt_double) | 0) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double)); + StoreFPR(FD,fmt_double,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_double)); } } @@ -3382,16 +3357,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word))) - SignalException(ReservedInstruction,instruction); + if ((fmt == fmt_long) | ((fmt == fmt_long) || (fmt == fmt_word))) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long)); + StoreFPR(FD,fmt_long,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_long)); } } @@ -3410,16 +3382,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format == fmt_single) | 0) - SignalException(ReservedInstruction,instruction); + if ((fmt == fmt_single) | 0) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single)); + StoreFPR(FD,fmt_single,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_single)); } } @@ -3435,16 +3404,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word))) - SignalException(ReservedInstruction,instruction); + if ((fmt == fmt_word) | ((fmt == fmt_long) || (fmt == fmt_word))) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word)); + StoreFPR(FD,fmt_word,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_word)); } } @@ -3460,17 +3426,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format)); + StoreFPR(FD,fmt,Divide(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); } } @@ -3553,16 +3515,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long)); + StoreFPR(FS,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(FS,fmt),fmt,fmt_long)); } } @@ -3577,16 +3536,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word)); + StoreFPR(FD,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(FS,fmt),fmt,fmt_word)); } } @@ -3657,14 +3613,9 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); { - StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double)); + StoreFPR(FD,fmt_double,Add(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double)); } } @@ -3675,14 +3626,9 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); { - StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single)); + StoreFPR(FD,fmt_single,Add(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single)); } } @@ -3741,14 +3687,9 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); - { - StoreFPR(destreg,format,ValueFPR(fs,format)); - } + StoreFPR(FD,fmt,ValueFPR(FS,fmt)); } @@ -3774,14 +3715,13 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { if (GETFCC(CC) == TF) - StoreFPR (FD, format, ValueFPR (FS, format)); + StoreFPR (FD, fmt, ValueFPR (FS, fmt)); else - StoreFPR (FD, format, ValueFPR (FD, format)); + StoreFPR (FD, fmt, ValueFPR (FD, fmt)); } } @@ -3828,15 +3768,8 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); - { - StoreFPR(destreg,fmt_double,Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double)); - } + StoreFPR(FD,fmt_double,Sub(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double)); } @@ -3847,15 +3780,8 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); - { - StoreFPR(destreg,fmt_single,Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single)); - } + StoreFPR(FD,fmt_single,Sub(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single)); } @@ -3873,17 +3799,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format)); + StoreFPR(FD,fmt,Multiply(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); } } @@ -3899,16 +3821,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format)); + StoreFPR(FD,fmt,Negate(ValueFPR(FS,fmt),fmt)); } } @@ -3920,15 +3839,8 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); - { - StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); - } + StoreFPR(FD,fmt_double,Negate(Add(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double),fmt_double)); } @@ -3939,15 +3851,8 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); - { - StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); - } + StoreFPR(FD,fmt_single,Negate(Add(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single),fmt_single)); } @@ -3958,15 +3863,8 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); - { - StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); - } + StoreFPR(FD,fmt_double,Negate(Sub(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double),fmt_double)); } @@ -3977,15 +3875,8 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int fr = ((instruction >> 21) & 0x0000001F); check_fpu(SD_); - { - StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); - } + StoreFPR(FD,fmt_single,Negate(Sub(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single),fmt_single)); } @@ -3995,16 +3886,14 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int fs = ((instruction >> 11) & 0x0000001F); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word index = GPR[INDEX]; { - address_word vaddr = ((unsigned64)op1 + (unsigned64)op2); + address_word vaddr = ((unsigned64)base + (unsigned64)index); address_word paddr; int uncached; if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - Prefetch(uncached,paddr,vaddr,isDATA,fs); + Prefetch(uncached,paddr,vaddr,isDATA,HINT); } } @@ -4014,16 +3903,13 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format)); + StoreFPR(FD,fmt,Recip(ValueFPR(FS,fmt),fmt)); } } @@ -4037,16 +3923,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long)); + StoreFPR(FD,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(FS,fmt),fmt,fmt_long)); } } @@ -4061,16 +3944,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word)); + StoreFPR(FD,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(FS,fmt),fmt,fmt_word)); } } @@ -4081,16 +3961,13 @@ "rsqrt.%s<FMT> f<FD>, f<FS>" *vr5000: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format),format)); + StoreFPR(FD,fmt,Recip(SquareRoot(ValueFPR(FS,fmt),fmt),fmt)); } } @@ -4132,16 +4009,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format))); + StoreFPR(FD,fmt,(SquareRoot(ValueFPR(FS,fmt),fmt))); } } @@ -4157,17 +4031,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int ft = ((instruction >> 16) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format)); + StoreFPR(FD,fmt,Sub(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); } } @@ -4184,13 +4054,10 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; signed_word offset = EXTEND16 (OFFSET); - int destreg UNUSED = ((instruction >> 16) & 0x0000001F); - signed_word op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)]; check_fpu(SD_); { - address_word vaddr = ((uword64)op1 + offset); + address_word vaddr = ((uword64)GPR[BASE] + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) @@ -4209,7 +4076,7 @@ unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); byte = ((vaddr & mask) ^ bigendiancpu); - memval = (((uword64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte)); + memval = (((uword64)COP_SW(((instruction_0 >> 26) & 0x3),FT)) << (8 * byte)); StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } } @@ -4223,14 +4090,13 @@ *mipsV: *vr5000: { - unsigned32 instruction = instruction_0; - int fs = ((instruction >> 11) & 0x0000001F); - signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + + address_word base = GPR[BASE]; + address_word index = GPR[INDEX]; check_fpu(SD_); check_u64 (SD_, instruction_0); { - address_word vaddr = ((unsigned64)op1 + op2); + address_word vaddr = ((unsigned64)base + index); address_word paddr; int uncached; if ((vaddr & 3) != 0) @@ -4247,7 +4113,7 @@ unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte)); + memval = (((unsigned64)COP_SW(1,FS)) << (8 * byte)); { StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } @@ -4266,16 +4132,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long)); + StoreFPR(FD,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(FS,fmt),fmt,fmt_long)); } } @@ -4290,16 +4153,13 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - int destreg = ((instruction >> 6) & 0x0000001F); - int fs = ((instruction >> 11) & 0x0000001F); - int format = ((instruction >> 21) & 0x00000007); + int fmt = FMT; check_fpu(SD_); { - if ((format != fmt_single) && (format != fmt_double)) - SignalException(ReservedInstruction,instruction); + if ((fmt != fmt_single) && (fmt != fmt_double)) + SignalException(ReservedInstruction,instruction_0); else - StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word)); + StoreFPR(FD,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(FS,fmt),fmt,fmt_word)); } } @@ -4371,16 +4231,14 @@ *vr5000: *r3900: { - unsigned32 instruction = instruction_0; - signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); - int hint = ((instruction >> 16) & 0x0000001F); - signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; + address_word base = GPR[BASE]; + address_word offset = EXTEND16 (OFFSET); { - address_word vaddr = (op1 + offset); + address_word vaddr = (base + offset); address_word paddr; int uncached; if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - CacheOp(hint,vaddr,paddr,instruction); + CacheOp(OP,vaddr,paddr,instruction_0); } } |