diff options
Diffstat (limited to 'sim/mips/vr.igen')
| -rw-r--r-- | sim/mips/vr.igen | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/sim/mips/vr.igen b/sim/mips/vr.igen new file mode 100644 index 0000000..e2118e9 --- /dev/null +++ b/sim/mips/vr.igen @@ -0,0 +1,491 @@ +// -*- C -*- +// +// NEC specific instructions +// + +// Integer Instructions +// -------------------- +// +// MulAcc is the Multiply Accumulator. +// This register is mapped on the the HI and LO registers. +// Upper 32 bits of MulAcc is mapped on to lower 32 bits of HI register. +// Lower 32 bits of MulAcc is mapped on to lower 32 bits of LO register. + + +:function:::unsigned64:MulAcc: +{ + unsigned64 result = U8_4 (HI, LO); + return result; +} + +:function:::void:SET_MulAcc:unsigned64 value +{ + *AL4_8 (&HI) = VH4_8 (value); + *AL4_8 (&LO) = VL4_8 (value); +} + +:function:::signed64:SignedMultiply:signed32 l, signed32 r +{ + signed64 result = (signed64) l * (signed64) r; + return result; +} + +:function:::unsigned64:UnsignedMultiply:unsigned32 l, unsigned32 r +{ + unsigned64 result = (unsigned64) l * (unsigned64) r; + return result; +} + +:function:::unsigned64:Low32Bits:unsigned64 value +{ + unsigned64 result = (signed64) (signed32) VL4_8 (value); + return result; +} + +:function:::unsigned64:High32Bits:unsigned64 value +{ + unsigned64 result = (signed64) (signed32) VH4_8 (value); + return result; +} + + + +// Multiply, Accumulate +000000,5.RS,5.RT,00000,00000,101000::::MAC +"mac r<RS>, r<RT>" +*vr4100: +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +{ + SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT])); +} + + +// D-Multiply, Accumulate +000000,5.RS,5.RT,00000,00000,101001::::DMAC +"dmac r<RS>, r<RT>" +*vr4100: +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +{ + LO = LO + SignedMultiply (SD_, GPR[RS], GPR[RT]); +} + + +// start-sanitize-vr4320 +// Count Leading Zeros +000000,5.RS,00000,5.RD,00000,110101::::CLZ +"clz r<RD>, r<RS>" +// end-sanitize-vr4320 +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitize-vr4320 +{ + unsigned32 t = Low32Bits (SD_, GPR[RS]); + signed64 c = 0; + + while (! (t & ( 1 << 31)) + && c < 32) + { + c++; + t <<= 1; + } + + GPR[RD] = c; +} + + +// end-sanitize-vr4320 +// start-sanitize-vr4320 +// D-Count Leading Zeros +000000,5.RS,00000,5.RD,00000,111101::::DCLZ +"dclz r<RD>, r<RS>" +// end-sanitize-vr4320 +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitize-vr4320 +{ + unsigned64 t = GPR[RS]; + signed64 c = 0; + + while (! (t & ( (unsigned64)1 << 63)) + && c < 64) + { + c++; + t <<= 1; + } + + printf("lo %d\n", (int) c); + GPR[RD] = c; +} + + + + + + + +// end-sanitize-vr4320 +// start-sanitize-vrXXXX +// Multiply and Move LO. +000000,5.RS,5.RT,5.RD,00100,101000::::MUL +"mul r<RD>, r<RS>, r<RT>" +// end-sanitize-vrXXXX +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitize-vrXXXX +{ + SET_MulAcc (SD_, 0 + SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vrXXXX +// start-sanitize-vrXXXX +// Unsigned Multiply and Move LO. +000000,5.RS,5.RT,5.RD,00101,101000::::MULU +"mulu r<RD>, r<RS>, r<RT>" +// end-sanitize-vrXXXX +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitize-vrXXXX +{ + SET_MulAcc (SD_, 0 + UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vrXXXX +// start-sanitize-vrXXXX +// Multiply and Move HI. +000000,5.RS,5.RT,5.RD,01100,101000::::MULHI +"mulhi r<RD>, r<RS>, r<RT>" +// end-sanitize-vrXXXX +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitize-vrXXXX +{ + SET_MulAcc (SD_, 0 + SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vrXXXX +// start-sanitize-vrXXXX +// Unsigned Multiply and Move HI. +000000,5.RS,5.RT,5.RD,01101,101000::::MULHIU +"mulhiu r<RD>, r<RS>, r<RT>" +// end-sanitize-vrXXXX +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitize-vrXXXX +{ + SET_MulAcc (SD_, 0 + UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vrXXXX +// start-sanitze-vr5400 +// Multiply, Negate and Move LO. +000000,5.RS,5.RT,5.RD,00011,011000::::MULS +"muls r<RD>, r<RS>, r<RT>" +// end-sanitze-vr5400 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitze-vr5400 +{ + SET_MulAcc (SD_, 0 - SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitze-vr5400 +// start-sanitze-vr5400 +// Unsigned Multiply, Negate and Move LO. +000000,5.RS,5.RT,5.RD,00011,011001::::MULSU +"mulsu r<RD>, r<RS>, r<RT>" +// end-sanitze-vr5400 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitze-vr5400 +{ + SET_MulAcc (SD_, 0 - UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitze-vr5400 +// start-sanitze-vr5400 +// Multiply, Negate and Move HI. +000000,5.RS,5.RT,5.RD,01011,011000::::MULSHI +"mulshi r<RD>, r<RS>, r<RT>" +// end-sanitze-vr5400 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitze-vr5400 +{ + SET_MulAcc (SD_, 0 - SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitze-vr5400 +// start-sanitze-vr5400 +// Unsigned Multiply, Negate and Move HI. +000000,5.RS,5.RT,5.RD,01011,011001::::MULSHIU +"mulshiu r<RD>, r<RS>, r<RT>" +// end-sanitze-vr5400 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitze-vr5400 +{ + SET_MulAcc (SD_, 0 - UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + + + + + +// end-sanitze-vr5400 +// Multiply, Accumulate and Move LO. +000000,5.RS,5.RT,5.RD,00010,101000::::MACC +"macc r<RD>, r<RS>, r<RT>" +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +{ + SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vr4320 +// start-sanitize-vrXXXX +// Unsigned Multiply, Accumulate and Move LO. +000000,5.RS,5.RT,5.RD,00011,101000::::MACCU +"maccu r<RD>, r<RS>, r<RT>" +// end-sanitize-vrXXXX +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitize-vrXXXX +{ + SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vrXXXX +// start-sanitize-vrXXXX +// Multiply, Accumulate and Move HI. +000000,5.RS,5.RT,5.RD,01010,101000::::MACCHI +"macchi r<RD>, r<RS>, r<RT>" +// end-sanitize-vrXXXX +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +// start-sanitize-vrXXXX +{ + SET_MulAcc (SD_, MulAcc (SD_) + SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vrXXXX +// start-sanitize-vrXXXX +// Unsigned Multiply, Accumulate and Move HI. +000000,5.RS,5.RT,5.RD,01011,101000::::MACCHIU +"macchiu r<RD>, r<RS>, r<RT>" +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitze-vr5400 +*vr5400: +// end-sanitze-vr5400 +{ + SET_MulAcc (SD_, MulAcc (SD_) + UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); + +} + + + +// end-sanitize-vrXXXX +// start-sanitize-vr5400 +// Multiply, Negate, Accumulate and Move LO. +000000,5.RS,5.RT,5.RD,00111,011000::::MSAC +"msac r<RD>, r<RS>, r<RT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + SET_MulAcc (SD_, MulAcc (SD_) - SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Unsigned Multiply, Negate, Accumulate and Move LO. +000000,5.RS,5.RT,5.RD,00111,011001::::MSACU +"msacu r<RD>, r<RS>, r<RT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + SET_MulAcc (SD_, MulAcc (SD_) - UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = Low32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Multiply, Negate, Accumulate and Move HI. +000000,5.RS,5.RT,5.RD,01111,011000::::MSACHI +"msachi r<RD>, r<RS>, r<RT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + SET_MulAcc (SD_, MulAcc (SD_) - SignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Unsigned Multiply, Negate, Accumulate and Move HI. +000000,5.RS,5.RT,5.RD,01111,011001::::MSACHIU +"msachiu r<RD>, r<RS>, r<RT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + SET_MulAcc (SD_, MulAcc (SD_) - UnsignedMultiply (SD_, GPR[RS], GPR[RT])); + GPR[RD] = High32Bits (SD_, MulAcc (SD_)); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Rotate Right. +000000,00001,5.RT,5.RD,5.SHIFT,000010::::ROR +"ror r<RD>, r<RT>, <SHIFT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + int s = SHIFT; + GPR[RD] = ROTR32 (GPR[RT], s); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Rotate Right Variable. +000000,5.RS,5.RT,5.RD,00001,000110::::RORV +"rorv r<RD>, r<RT>, <RS>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + int s = MASKED (GPR[RS], 4, 0); + GPR[RD] = ROTR32 (GPR[RT], s); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Double Rotate Right. +000000,00001,5.RT,5.RD,5.SHIFT,111010::::DROR +"dror r<RD>, r<RT>, <SHIFT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + int s = SHIFT; + GPR[RD] = ROTR64 (GPR[RT], s); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Double Rotate Right Plus 32. +000000,00001,5.RT,5.RD,5.SHIFT,111110::::DROR32 +"dror32 r<RD>, r<RT>, <SHIFT>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + int s = SHIFT + 32; + GPR[RD] = ROTR64 (GPR[RT], s); +} + + +// end-sanitize-vr5400 +// start-sanitize-vr5400 +// Double Rotate Right Variable. +000000,5.RS,5.RT,5.RD,00001,010110::::DRORV +"drorv r<RD>, r<RT>, <RS>" +// end-sanitize-vr5400 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-vr5400 +{ + int s = MASKED (GPR[RS], 5, 0); + GPR[RD] = ROTR64 (GPR[RT], s); +} + + +// end-sanitize-vr5400 |