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### 5.3 Floating-Point Instruction

Table 5-4 shows floating-point instructions. In cases where more than numeric type is involved, each instruction in a group is described; otherwise, only the first member of a group is described.

Table 5-4

SPARC
Mnemonic1
Argument List
Description
FiTOs
fitos
fregrs2, fregrd
Convert integer to single
FiTOd
fitod
fregrs2, fregrd
Convert integer to double
FiTOq
fitoq
fregrs2, fregrd
FsTOi
fstoi
fregrs2, fregrd
Convert single to integer
FdTOi
fdtoi
fregrs2, fregrd
Convert double to integer
FqTOi
fqtoi
fregrs2, fregrd
FsTOd
fstod
fregrs2, fregrd
Convert single to double
FsTOq
fstoq
fregrs2, fregrd
FdTOs
fdtos
fregrs2, fregrd
Convert double to single
FdTOq
fdtoq
fregrs2, fregrd
FqTOd
fqtod
fregrs2, fregrd
FqTOs
fqtos
fregrs2, fregrd
FMOVs
fmovs
fregrs2, fregrd
Move
FNEGs
fnegs
fregrs2, fregrd
Negate
FABSs
fabss
fregrs2, fregrd
Absolute value
FSQRTs

FSQRTd

FSQRTq

fsqrts

fsqrtd

fsqrtq

fregrs2, fregrd

fregrs2, fregrd

fregrs2, fregrd

Square root

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

FSUBs

FSUBd

FSUBq

fsubs

fsubd

fsubq

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

Subtract
FMULs

FMULd

FMULq

fmuls

fmuld

fmulq

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

Multiply
FdMULq
fmulq
fregrs1, fregrs2, fregrd
FsMULd
fsmuld
fregrs1, fregrs2, fregrd
Multiply single to double
FDIVs

FDIVd

FDIVq

fdivs

fdivd

fdivq

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

Divide
FCMPs

FCMPd

FCMPq

fcmps

fcmpd

fcmpq

fregrs1, fregrs2

fregrs1, fregrs2

fregrs1, fregrs2

Compare
FCMPEs

FCMPEd

FCMPEq

fcmpes

fcmped

fcmpeq

fregrs1, fregrs2

fregrs1, fregrs2

fregrs1, fregrs2

Compare, generate exception if not ordered

1Types of Operands are denoted by the following lower-case letters:i integers singled doubleq quad