Cirrus Logic EP93xx - Manual (Page 107)

DS785UM1 3-37
Copyright 2007 Cirrus Logic
MaverickCrunch Co-Processor
EP93xx User’s Guide
3
3
3
Mnemonic:
CFCMPS Rd, CRn, CRm
Bit Definitions:
CRn: First source register
CRm: Second source register
Rd: Destination ARM register. If Rd = 15, destination is ARM
N, C, Z, and V flags.
Compare Double Precision Floating Point
Definition:
Compares two double precision floating point numbers and stores an integer
representing the result in the ARM920T register; the highest four bits of the
integer result match the N, Z, C, and V bits, respectively, in the ARM920T’s
program status register, while the bottom 28 bits are zeros. If Rd = 15, then the
four status bits are stored in the ARM status register, CPSR.
Mnemonic:
CFCMPD Rd, CRn, CRm
Bit Definitions:
CRn: First source register
CRm: Second source register
Rd: Destination ARM register. If Rd = 15, destination is ARM
N, C, Z, and V flags.
Compare 32-bit Integers
Definition:
Compares two 32-bit integers and stores an integer representing the result in
the ARM920T register; the highest four bits of the integer result match the N,
Z, C, and V bits, respectively, in the ARM920T’s program status register, while
the bottom 28 bits are zeros. If Rd = 15, then the four status bits are stored in
the ARM status register, CPSR.
Mnemonic:
CFCMP32 Rd, CRn, CRm
Bit Definitions:
CRn: First source register
CRm: Second source register
31:28 27:24 23:22 21 20 19:16 15:12 11:8 7:5 4 3:0
cond 1 1 1 0 0 0 0 1 CRn Rd 0 1 0 0 1 0 1 1 CRm
31:28 27:24 23:22 21 20 19:16 15:12 11:8 7:5 4 3:0
cond 1 1 1 0 0 0 0 1 CRn Rd 0 1 0 1 1 0 0 1 CRm