SPARC Assembly Language Reference Manual

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 

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

Argument List 

Description 

FiTOs

fitos

fregrs2, fregrd

Convert integer to single 

FiTOd

fitod

fregrs2, fregrd

Convert integer to double 

FiTOq

fitoq

fregrs2, fregrd

Convert integer to quad 

FsTOi

fstoi

fregrs2, fregrd

Convert single to integer 

FdTOi

fdtoi

fregrs2, fregrd

Convert double to integer 

FqTOi

fqtoi

fregrs2, fregrd

Convert quad to integer 

FsTOd

fstod

fregrs2, fregrd

Convert single to double 

FsTOq

fstoq

fregrs2, fregrd

Convert single to quad 

FdTOs

fdtos

fregrs2, fregrd

Convert double to single 

FdTOq

fdtoq

fregrs2, fregrd

Convert double to quad 

FqTOd

fqtod

fregrs2, fregrd

Convert quad to double 

FqTOs

fqtos

fregrs2, fregrd

Convert quad to single 

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 

FADDs

FADDd

FADDq

fadds

faddd

faddq

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

fregrs1, fregrs2, fregrd

Add 

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

Multiply double to quad 

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