Texas Instruments TMS320C3x - Manual (Page 579)

Parallel LDF and STF LDF||STF
13-121 Assembly Language Instructions
Syntax LDF src2, dst1
|| STF src3, dst2
Operation src2
→
dst1
|| src3
→
dst2
Operands src2 indirect ( disp = 0, 1, IR0, IR1)
dst1 register (R n1, 0
≤
n1
≤
7)
src3 register (R n2, 0
≤
n2
≤
7)
dst2 indirect ( disp = 0, 1, IR0, IR1)
This instruction’s operands have been augmented on the following devices:
- ’C31 silicon revision 6.0 or greater
- ’C32 silicon revision 2.0 or greater
src2 indirect ( disp = 0, 1, IR0, IR1) or any CPU register
dst1 register (R n1, 0
≤
n1
≤
7)
src3 register (R n2, 0
≤
n2
≤
7)
dst2 indirect ( disp = 0, 1, IR0, IR1)
Opcode
31 24 23 16 8 7 0 15
1 1 0 1 1 0 dst1 src2 dst2 0 0 0 0 src3
Description A floating-point load and a floating-point store are performed in parallel.
If src2 and dst2 point to the same location, src2 is read before the write to dst2.
Cycles 1
Status Bits LUF Unaffected
LV Unaffected
UF Unaffected
N Unaffected
Z Unaffected
V Unaffected
C Unaffected
OVM Operation is not affected by OVM bit value. Mode Bit