Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1018

fpnegabs — Floating-point Parallel Negate Absolute Value
( ) fpnegabs
Format: qp
The absolute values of the pair of single precision values in the significand field of FR
Description:
are computed, negated and stored in the significand field of FR
FR is set to the biased exponent for 2.0
f
1
to positive (0).
If FR is a NaTVal, FR
f
3
Operation: See "fpmerge — Floating-point Parallel Merge" on page 3:111.
Volume 3: Instruction Reference
=
f f
1 3
is set to NaTVal instead of the computed result.
f
1
pseudo-op of: ( ) fpmerge.ns
qp
. The exponent field of
f
1
63
(0x1003E) and the sign field of FR
fpnegabs
= f0,
f f
1 3
f
3
is set
f
1
3:119