forked from Imagelibrary/binutils-gdb
909 lines
14 KiB
C
909 lines
14 KiB
C
// -*- C -*-
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//
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//
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// MIPS Architecture:
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//
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// CPU Instruction Set (mips16)
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//
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// The instructions in this section are ordered according
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// to http://www.sgi.com/MIPS/arch/MIPS16/mips16.pdf.
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// The MIPS16 codes registers in a special way, map from one to the other.
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// :<type>:<flags>:<models>:<typedef>:<name>:<field>:<expression>
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:compute:::int:TRX:RX:((RX < 2) ? (16 + RX) \: RX)
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:compute:::int:TRY:RY:((RY < 2) ? (16 + RY) \: RY)
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:compute:::int:TRZ:RZ:((RZ < 2) ? (16 + RZ) \: RZ)
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:compute:::int:SHIFT:SHAMT:((SHAMT == 0) ? 8 \: SHAMT)
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// FIXME:
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//
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// Only the `LB' instruction is implemented. It should be used as a guideline
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// when implementing other instructions.
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//
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// How to handle delayslots (for jumps) and extended lwpc instructions
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// has not been resolved.
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011101,26.INSTR_INDEX:NORMAL:32::JALX
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*r3900:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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/// {
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/// }
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// Load and Store Instructions
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10000,3.RX,3.RY,5.IMMED:RRI:16::LB
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[TRX], IMMED));
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}
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10100,3.RX,3.RY,5.IMMED:RRI:16::LBU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = do_load (SD_, AccessLength_BYTE, GPR[TRX], IMMED);
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}
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10001,3.RX,3.RY,5.IMMED:RRI:16::LH
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1));
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}
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10101,3.RX,3.RY,5.IMMED:RRI:16::LHU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = do_load (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1);
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}
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10011,3.RX,3.RY,5.IMMED:RRI:16::LW
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2));
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}
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10110,3.RX,8.IMMED:RI:16::LWPC
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD,
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basepc (SD_) & ~3, IMMED << 2));
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}
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10010,3.RX,8.IMMED:RI:16::LWSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, SP, IMMED << 2));
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}
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10111,3.RX,3.RY,5.IMMED:RRI:16::LWU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = do_load (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2);
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}
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00111,3.RX,3.RY,5.IMMED:RRI:16,64::LD
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, GPR[TRX], IMMED << 3);
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}
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11111,100,3.RY,5.IMMED:RI64:16::LDPC
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD,
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basepc (SD_) & ~7, IMMED << 3);
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}
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11111,000,3.RY,5.IMMED:RI64:16::LDSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3);
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}
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11000,3.RX,3.RY,5.IMMED:RRI:16::SB
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_BYTE, GPR[TRX], IMMED, GPR[TRY]);
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}
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11001,3.RX,3.RY,5.IMMED:RRI:16::SH
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1, GPR[TRY]);
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}
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11011,3.RX,3.RY,5.IMMED:RRI:16::SW
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2, GPR[TRY]);
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}
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11010,3.RX,8.IMMED:RI:16::SWSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_WORD, SP, IMMED << 2, GPR[TRX]);
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}
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01100,010,8.IMMED:I8:16::SWRASP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_WORD, SP, IMMED << 2, RA);
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}
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01111,3.RX,3.RY,5.IMMED:RRI:16::SD
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_DOUBLEWORD, GPR[TRX], IMMED << 3, GPR[TRY]);
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}
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11111,001,3.RY,5.IMMED:RI64:16::SDSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3, GPR[TRY]);
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}
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11111,010,8.IMMED:I64:16::SDRASP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_store (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3, RA);
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}
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// ALU Immediate Instructions
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01101,3.RX,8.IMMED::RI:16::LI
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_ori (SD_, 0, TRX, IMMED);
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}
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01000,3.RX,3.RY,0,4.IMMED:RRI_A:16::ADDIU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_addiu (SD_, TRX, TRY, EXTEND4 (IMMED));
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}
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01001,3.RX,8.IMMED:RI:16::ADDIU8
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_addiu (SD_, TRX, TRX, EXTEND8 (IMMED));
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}
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01100,011,8.IMMED:I8:16::ADJSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_addiu (SD_, SPIDX, SPIDX, EXTEND8 (IMMED) << 3);
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}
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00001,3.RX,8.IMMED:RI:16::ADDIUPC
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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unsigned32 temp = (basepc (SD_) & ~3) + (EXTEND8 (IMMED) << 2);
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GPR[TRX] = EXTEND32 (temp);
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}
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00000,3.RX,8.IMMED:RI:16::ADDIUSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_addiu (SD_, SPIDX, TRX, EXTEND8 (IMMED) << 2);
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}
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01000,3.RX,3.RY,1,4.IMMED:RRI_A:16,64::DADDIU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_daddiu (SD_, TRX, TRY, EXTEND4 (IMMED));
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}
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11111,101,3.RY,5.IMMED:RI64:16,64::DADDIU5
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_daddiu (SD_, TRY, TRY, EXTEND5 (IMMED));
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}
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11111,011,8.IMMED:I64:16,64::DADJSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_daddiu (SD_, SPIDX, SPIDX, EXTEND8 (IMMED) << 3);
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}
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11111,110,3.RY,5.IMMED:RI64:16,64::DADDIUPC
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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GPR[TRY] = (basepc (SD_) & ~3) + (EXTEND5 (IMMED) << 2);
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}
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11111,111,3.RY,5.IMMED:RI64:16,64::DADDIUSP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_daddiu (SD_, SPIDX, TRY, EXTEND5 (IMMED) << 2);
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}
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01010,3.RX,8.IMMED:RI:16::SLTI
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_slti (SD_, TRX, T8IDX, IMMED);
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}
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01011,3.RX,8.IMMED:RI:16::SLTIU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_sltiu (SD_, TRX, T8IDX, IMMED);
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}
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11101,3.RX,3.RY,01010:RR:16::CMP
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_xor (SD_, TRX, TRY, T8IDX);
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}
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01110,3.RX,8.IMMED:RI:16::CMPI
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_xori (SD_, TRX, T8IDX, IMMED);
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}
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// Two/Three Operand, Register-Type
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11100,3.RX,3.RY,3.RZ,01:RRR:16::ADDU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_addu (SD_, TRX, TRY, TRZ);
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}
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11100,3.RX,3.RY,3.RZ,11:RRR:16::SUBU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_subu (SD_, TRX, TRY, TRZ);
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}
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11100,3.RX,3.RY,3.RZ,00:RRR:16,64::DADDU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_daddu (SD_, TRX, TRY, TRZ);
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}
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11100,3.RX,3.RY,3.RZ,10:RRR:16,64::DSUBU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_dsubu (SD_, TRX, TRY, TRZ);
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}
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11101,3.RX,3.RY,00010:RR:16::SLT
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_slt (SD_, TRX, TRY, T8IDX);
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}
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11101,3.RX,3.RY,00011:RR:16::SLTU
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_sltu (SD_, TRX, TRY, T8IDX);
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}
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11101,3.RX,3.RY,01011:RR:16::NEG
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_subu (SD_, 0, TRY, TRX);
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}
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11101,3.RX,3.RY,01100:RR:16::AND
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_and (SD_, TRX, TRY, TRX);
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}
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11101,3.RX,3.RY,01101:RR:16::OR
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_or (SD_, TRX, TRY, TRX);
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}
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11101,3.RX,3.RY,01110:RR:16::XOR
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_xor (SD_, TRX, TRY, TRX);
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}
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11101,3.RX,3.RY,01111:RR:16::NOT
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_nor (SD_, 0, TRY, TRX);
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}
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01100,111,3.RY,5.R32:I8_MOVR32:16::MOVR32
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_or (SD_, R32, 0, TRY);
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}
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01100,101,3.R32L,2.R32H,3.RZ:I8_MOV32R:16::MOV32R
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_or (SD_, TRZ, 0, (R32H << 3) | R32L);
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}
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00110,3.RX,3.RY,3.SHAMT,00:ISHIFT:16::SLL
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_sll (SD_, TRY, TRX, SHIFT);
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}
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00110,3.RX,3.RY,3.SHAMT,10:ISHIFT:16::SRL
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*mips16:
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// start-sanitize-tx19
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*tx19:
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// end-sanitize-tx19
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{
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do_srl (SD_, TRY, TRX, SHIFT);
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}
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00110,3.RX,3.RY,3.SHAMT,11:ISHIFT:16::SRA
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*mips16:
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// start-sanitize-tx19
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*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_sra (SD_, TRY, TRX, SHIFT);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,00100:RR:16::SLLV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_sllv (SD_, TRX, TRY, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,00110:RR:16::SRLV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_srlv (SD_, TRX, TRY, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,00111:RR:16::SRAV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_srav (SD_, TRX, TRY, TRY);
|
|
}
|
|
|
|
|
|
00110,3.RX,3.RY,3.SHAMT,01:ISHIFT:16,64::DSLL
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dsll (SD_, 0, TRY, TRX, SHIFT);
|
|
}
|
|
|
|
|
|
11101,3.SHAMT,3.RY,01000:RR:16,64::DSRL
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dsrl (SD_, 0, TRY, TRY, SHIFT);
|
|
}
|
|
|
|
|
|
11101,3.SHAMT,3.RY,10011:RR:16,64::DSRA
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dsra (SD_, 0, TRY, TRY, SHIFT);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,10100:RR:16,64::DSLLV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dsllv (SD_, TRX, TRY, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,10110:RR:16,64::DSRLV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dsrlv (SD_, TRX, TRY, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,10111:RR:16,64::DSRAV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dsrav (SD_, TRX, TRY, TRY);
|
|
}
|
|
|
|
|
|
// Multiply /Divide Instructions
|
|
|
|
|
|
11101,3.RX,3.RY,11000:RR:16::MULT
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_mult (SD_, TRX, TRY, 0);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11001:RR:16::MULTU
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_multu (SD_, TRX, TRY, 0);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11010:RR:16::DIV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_div (SD_, TRX, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11011:RR:16::DIVU
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_divu (SD_, TRX, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,000,10000:RR:16::MFHI
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_mfhi (SD_, TRX);
|
|
}
|
|
|
|
|
|
11101,3.RX,000,10010:RR:16::MFLO
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_mflo (SD_, TRX);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11100:RR:16,64::DMULT
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dmult (SD_, TRX, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11101:RR:16,64::DMULTU
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_dmultu (SD_, TRX, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11110:RR:16,64::DDIV
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_ddiv (SD_, TRX, TRY);
|
|
}
|
|
|
|
|
|
11101,3.RX,3.RY,11111:RR:16,64::DDIVU
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
do_ddivu (SD_, TRX, TRY);
|
|
}
|
|
|
|
|
|
// Jump and Branch Instructions
|
|
|
|
|
|
|
|
// Issue instruction in delay slot of branch
|
|
:function:::address_word:delayslot16:address_word target
|
|
{
|
|
instruction_word delay_insn;
|
|
sim_events_slip (SD, 1);
|
|
DSPC = CIA; /* save current PC somewhere */
|
|
CIA = CIA + 2; /* NOTE: mips16 */
|
|
STATE |= simDELAYSLOT;
|
|
delay_insn = IMEM16 (CIA); /* NOTE: mips16 */
|
|
idecode_issue (CPU_, delay_insn, (CIA));
|
|
STATE &= ~simDELAYSLOT;
|
|
return target;
|
|
}
|
|
|
|
// compute basepc dependant on us being in a delay slot
|
|
:function:::address_word:basepc:
|
|
{
|
|
if (STATE & simDELAYSLOT)
|
|
{
|
|
return DSPC; /* return saved address of preceeding jmp */
|
|
}
|
|
else
|
|
{
|
|
return CIA;
|
|
}
|
|
}
|
|
|
|
|
|
// JAL
|
|
00011,0,5.IMM_20_16,5.IMM_25_21 + 16.IMMED_15_0:I:16::JAL
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
NIA = delayslot16 (SD_,
|
|
(LSMASKED (NIA, 31, 26)
|
|
| LSINSERTED (IMM_25_21, 25, 21)
|
|
| LSINSERTED (IMM_20_16, 20, 16)
|
|
| LSINSERTED (IMMED_15_0, 15, 0)));
|
|
}
|
|
|
|
|
|
// JALX
|
|
00011,1,5.IMM_20_16,5.IMM_25_21 + 16.IMMED_15_0:I:16::JALX
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
NIA = delayslot16 (SD_,
|
|
(LSMASKED (NIA, 31, 26)
|
|
| LSINSERTED (IMM_25_21, 25, 21)
|
|
| LSINSERTED (IMM_20_16, 20, 16)
|
|
| LSINSERTED (IMMED_15_0, 15, 0)));
|
|
NIA = NIA ^ 1;
|
|
}
|
|
|
|
|
|
11101,3.RX,000,00000:RR:16::JR
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
NIA = delayslot16 (SD_, GPR[TRX]);
|
|
}
|
|
|
|
|
|
11101,000,001,00000:RR:16::JRRA
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
NIA = delayslot16 (SD_, RA);
|
|
}
|
|
|
|
|
|
11101,3.RX,010,00000:RR:16::JALR
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
RA = NIA + 2;
|
|
NIA = delayslot16 (SD_, GPR[TRX]);
|
|
}
|
|
|
|
|
|
00100,3.RX,8.IMMED:RI:16::BEQZ
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
if (GPR[RX] == 0)
|
|
NIA = (NIA + (EXTEND8 (IMMED) << 2));
|
|
}
|
|
|
|
|
|
00101,3.RX,8.IMMED:RI:16::BNEZ
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
if (GPR[RX] != 0)
|
|
NIA = (NIA + (EXTEND8 (IMMED) << 2));
|
|
}
|
|
|
|
|
|
01100,000,8.IMMED:I8:16::BTEQZ
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
if (T8 == 0)
|
|
NIA = (NIA + (EXTEND8 (IMMED) << 2));
|
|
}
|
|
|
|
|
|
01100,001,8.IMMED:I8:16::BTNEZ
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
if (T8 != 0)
|
|
NIA = (NIA + (EXTEND8 (IMMED) << 2));
|
|
}
|
|
|
|
|
|
00010,11.IMMED:I:16::B
|
|
*mips16:
|
|
// start-sanitize-tx19
|
|
*tx19:
|
|
// end-sanitize-tx19
|
|
{
|
|
NIA = (NIA + (EXTEND8 (IMMED) << 2));
|
|
}
|
|
|
|
|
|
// Special Instructions
|
|
|
|
|
|
// See the front of the mips16 doc
|
|
// -> FIXME need this for most instructions
|
|
// 11110,eeeeeeeeeee:I:16::EXTEND
|
|
// *mips16:
|
|
// // start-sanitize-tx19
|
|
// *tx19:
|
|
// // end-sanitize-tx19
|
|
|
|
|
|
// 11101,3.RX,3.RY,00101:RR:16::BREAK
|
|
// *mips16:
|
|
// // start-sanitize-tx19
|
|
// *tx19:
|
|
// // end-sanitize-tx19
|