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Convert Signed Integer to Single-Precision Floating-Point Value INTSP
3-121 Instruction SetSPRU733
Convert Signed Integer to Single-Precision Floating-Point Value
INTSP
Syntax INTSP (.unit) src2, dst
.unit = .L1 or .L2
Compatibility C67x and C67x+ CPU
Opcode
31 29 28 27 23 22 18 17 13 12 11 5 4 3 2 1 0
creg z dst src2 0 0 0 0 0 x 1 0 0 1 0 1 0 1 1 0 s p
3 1 5 5 1 1 1
Opcode map field used... For operand type... Unit
src2
dst
xsint
sp
.L1, .L2
Description The signed integer value in src2 is converted to single-precision value and
placed in dst.
Execution if (cond) sp(src2) → dst
else nop
The only configuration bit that can be set is the INEX bit and only if the mantissa
is rounded.
Pipeline
Stage
E1 E2 E3 E4
Read src2
Written dst
Unit in use
.L
Instruction Type 4-cycle
Delay Slots 3
Functional Unit
Latency
1
See Also INTDP, INTDPU, INTSPU
Example
INTSP .L1 A1,A2
Before instruction 4 cycles after instruction
A1
1965 1127h
426053927 A1 1965 1127h 426053927
A2 xxxx xxxxh A2 4DCB 2889h 4.2605393 E08
Pipeline