Totalview® for HPC Reference Guide : PART IV Platforms and Operating Systems : Chapter 11 Architectures : Intel IA-64 : Floating Point Registers
Floating Point Registers
The IA-64 contains 128 floating-point registers. The first two are read only.
Register
Description
Data Type
Edit
Dive
Specify in Expression
f0
float register 0
$long
N
Y
$f0
f1
float register 1
$long
N
Y
$f1
f2-f31
lower float registers
$long
Y
Y
$f2-$f31
f32-f127
upper float registers
$long
Y
Y
$f32-$f127