Xilinx MicroBlaze Reference Manual page 14

Table 2-6: MicroBlaze Instruction Set Summary (Cont'd)
Type A
Type B
CMP Rd,Ra,Rb 000101
CMPU Rd,Ra,Rb 000101
ADDKC Rd,Ra,Rb 000110
RSUBKC Rd,Ra,Rb 000111
ADDI Rd,Ra,Imm 001000
RSUBI Rd,Ra,Imm 001001
ADDIC Rd,Ra,Imm 001010
RSUBIC Rd,Ra,Imm 001011
ADDIK Rd,Ra,Imm 001100
RSUBIK Rd,Ra,Imm 001101
ADDIKC Rd,Ra,Imm 001110
RSUBIKC Rd,Ra,Imm 001111
MUL Rd,Ra,Rb 010000
MULH Rd,Ra,Rb 010000
MULHU Rd,Ra,Rb 010000
MULHSU Rd,Ra,Rb 010000
BSRL Rd,Ra,Rb 010001
BSRA Rd,Ra,Rb 010001
BSLL Rd,Ra,Rb 010001
IDIV Rd,Ra,Rb 010010
IDIVU Rd,Ra,Rb 010010
TNEAGETD Rd,Rb 010011
TNAPUTD Ra,Rb 010011
TNECAGETD Rd,Rb 010011
MicroBlaze Processor Reference Guide
UG984 (v2018.2) June 21, 2018
0-5 6-10 11-15 16-20
0-5 6-10 11-15
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd Ra
Rd 00000
00000 Ra
Rd 00000
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Chapter 2: MicroBlaze Architecture
21-31
16-31
Rb 00000000001 Rd := Rb + Ra + 1
Rd[0] := 0 if (Rb >= Ra) else
Rd[0] := 1
Rb 00000000011 Rd := Rb + Ra + 1 (unsigned)
Rd[0] := 0 if (Rb >= Ra, unsigned)
else
Rd[0] := 1
Rb 00000000000 Rd := Rb + Ra + C
Rb 00000000000 Rd := Rb + Ra + C
Imm Rd := s(Imm) + Ra
Imm Rd := s(Imm) + Ra + 1
Imm Rd := s(Imm) + Ra + C
Imm Rd := s(Imm) + Ra + C
Imm Rd := s(Imm) + Ra
Imm Rd := s(Imm) + Ra + 1
Imm Rd := s(Imm) + Ra + C
Imm Rd := s(Imm) + Ra + C
Rb 00000000000 Rd := Ra * Rb
Rb 00000000001 Rd := (Ra * Rb) >> 32 (signed)
Rb 00000000011 Rd := (Ra * Rb) >> 32 (unsigned)
Rb 00000000010 Rd := (Ra, signed * Rb, unsigned) >>
32 (signed)
Rb 00000000000 Rd := 0 & (Ra >> Rb)
Rb 01000000000 Rd := s(Ra >> Rb)
Rb 10000000000 Rd := (Ra << Rb) & 0
Rb 00000000000 Rd := Rb/Ra
Rb 00000000010 Rd := Rb/Ra, unsigned
Rb 0N0TAE Rd := FSL Rb[28:31] (data read)
00000 MSR[FSL] := 1 if (FSL_S_Control = 1)
MSR[C] := not FSL_S_Exists if N = 1
Rb 0N0TA0 FSL Rb[28:31] := Ra (data write)
00000 MSR[C] := FSL_M_Full if N = 1
Rb 0N1TAE Rd := FSL Rb[28:31] (control read)
00000 MSR[FSL] := 1 if (FSL_S_Control = 0)
MSR[C] := not FSL_S_Exists if N = 1
Semantics
14
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