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3-32

M32R-FPU Software Manual (Rev.1.01)

CMPU

[Mnemonic]

CMPU Rsrc1,Rsrc2

[Function]

Compare

C = ( ( unsigned ) Rsrc1 < ( unsigned ) Rsrc2 ) ? 1:0;

[Description]

The condition bit (C) is set when Rsrc1 is less than Rsrc2. The operands are treated as un-

signed 32-bit values.

[EIT occurrence]

None

[Encoding]

src10000 CMPU Rsrc1,Rsrc2

CMPU

0101

compare instruction

Compare unsigned

src2

INSTRUCTIONS

3.2 Instruction description

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 193 194

To our customers 1
REVISION HISTORY 5
M32R-FPU Software Manual 5
Table of contents 6
CHAPTER 3 INSTRUCTIONS 7
APPENDIX 7
CHAPTER 1 9
CPU PROGRAMMIING MODEL 9
1.1 CPU Register 10
1.2 General-purpose Registers 10
1.3 Control Registers 11
CPU PROGRAMMING MODEL 12
1.4 Accumulator 19
1.5 Program Counter 19
1.6 Data Format 20
1.7 Addressing Mode 23
CHAPTER 2 25
INSTRUCTION SET 25
2.1 Instruction set overview 26
2.2 Instruction format 36
CHAPTER 3 39
3.2 Instruction description 43
Add 3-operand 45
Add immediate 46
Add with overflow checking 47
Add with carry 49
AND 3-operand 51
Bit clear 52
M32R-FPU Extended Instruction 52
BCLRBCLR 53
Branch on equal to 54
BEQZBEQZ 55
BGEZBGEZ 56
BGTZBGTZ 57
Branch and link 58
BLEZBLEZ 59
BLTZBLTZ 60
Branch on not C-bit 61
Branch on not equal to 62
BNEZBNEZ 63
BSETBSET 65
BTSTBTST 66
CLRPSWCLRPSW 67
Compare immediate 69
Compare unsigned 70
Compare unsigned immediate 71
Divide unsigned 73
FADDFADD 74
FCMPFCMP 76
FCMPEFCMPE 78
FDIVFDIV 80
FMADDFMADD 82
FMSUBFMSUB 85
FMULFMUL 88
FSUBFSUB 90
FTOIFTOI 92
FTOSFTOS 94
ITOFITOF 96
Jump and link 97
LD24LD24 100
Load byte 101
INSTRUCTIONS 101
Load halfword 102
Load immediate 103
LDUBLDUB 104
LDUHLDUH 105
LOCKLOCK 106
MACHIMACHI 107
MACLOMACLO 108
MACWHIMACWHI 109
MACWLOMACWLO 110
Multiply 111
MULHIMULHI 112
MULLOMULLO 113
MULWHIMULWHI 114
MULWLOMULWLO 115
Move register 116
MVFACHIMVFACHI 117
MVFACLOMVFACLO 118
MVFACMIMVFACMI 119
MVFCMVFC 120
MVTACHIMVTACHI 121
MVTACLOMVTACLO 122
MVTCMVTC 123
No operation 125
Logical NOT 126
OR 3-operand 128
Round accumulator 129
RACHRACH 131
Remainder 133
REMUREMU 134
Return from EIT 135
SETHSETH 136
SETPSWSETPSW 137
Shift left logical 138
SLL3SLL3 139
SLLISLLI 140
Shift right arithmetic 141
SRA3SRA3 142
SRAISRAI 143
Shift right logical 144
SRL3SRL3 145
SRLISRLI 146
Store byte 149
Store halfword 150
[M32R-FPU Extended Mnemonic] 150
Subtract 151
SUBVSUBV 152
SUBXSUBX 153
TRAPTRAP 154
UNLOCKUNLOCK 155
UTOFUTOF 156
Exclusive OR 157
XOR3XOR3 158
APPENDICES 159
M32R-FPU 194
REJ09B0112-0101Z 194
Software Manual 194

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