46 lines
1 KiB
C
46 lines
1 KiB
C
// -*- C -*-
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//
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// toshiba specific instructions.
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//
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011100,5.RS,5.RT,5.RD,00000000000:MMINORM:::MADD
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"madd r<RS>, r<RT>":RD == 0
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"madd r<RD>, r<RS>, r<RT>"
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*r3900
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{
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signed64 prod = (U8_4 (VL4_8 (HI), VL4_8 (LO))
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+ ((signed64) EXTEND32 (GPR[RT])
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* (signed64) EXTEND32 (GPR[RS])));
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check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
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TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
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LO = EXTEND32 (prod);
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HI = EXTEND32 (VH4_8 (prod));
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TRACE_ALU_RESULT2 (HI, LO);
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if(RD != 0 )
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GPR[RD] = LO;
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}
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011100,5.RS,5.RT,5.RD,00000000001:MMINORM:::MADDU
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"maddu r<RS>, r<RT>":RD == 0
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"maddu r<RD>, r<RS>, r<RT>"
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*r3900
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{
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unsigned64 prod = (U8_4 (VL4_8 (HI), VL4_8 (LO))
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+ ((unsigned64) VL4_8 (GPR[RS])
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* (unsigned64) VL4_8 (GPR[RT])));
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check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
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TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
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LO = EXTEND32 (prod);
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HI = EXTEND32 (VH4_8 (prod));
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TRACE_ALU_RESULT2 (HI, LO);
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if(RD != 0)
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GPR[RD] = LO;
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}
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000000,CODE.20,001110::CO1:::SDBBP
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"sdbbp"
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*r4900:
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{
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SignalException (DebugBreakPoint, instruction);
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}
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