Texas Instruments TMS320C67X/C67X+ DSP - Manual (Page 101)

Absolute Value, Double-Precision Floating-Point ABSDP
3-41 Instruction Set SPRU733
Pipeline
Stage
E1 E2
Read src2_l
src2_h
Written dst_l dst_h
Unit in use .S
If dst is used as the source for the ADDDP, CMPEQDP, CMPLTDP,
CMPGTDP, MPYDP, or SUBDP instruction, the number of delay slots can be
reduced by one, because these instructions read the lower word of the DP
source one cycle before the upper word of the DP source.
Instruction Type 2-cycle DP
Delay Slots 1
Functional Unit
Latency 1
See Also ABS, ABSSP
Example ABSDP .S1 A1:A0,A3:A2
Before instruction 2 cycles after instruction
A1:A0 C004 0000h 0000 0000h −2.5 A1:A0 c004 0000h 0000 0000h −2.5
A3:A2 xxxx xxxxh xxxx xxxxh A3:A2 4004 0000h 0000 0000h 2.5
Pipeline