Intel-x86 Floating-Point Registers
TotalView displays the x86 floating-point registers in the Stack Frame Pane of the Process Window. The next table describes how TotalView treats each floating-point register, and the actions you can take with each register.
| Register |
Description |
Data Type |
Edit |
Dive |
Specify in Expression |
| ST0 |
ST(0) |
<extended> |
yes |
yes |
$st0 |
| ST1 |
ST(1) |
<extended> |
yes |
yes |
$st1 |
| ST2 |
ST(2) |
<extended> |
yes |
yes |
$st2 |
| ST3 |
ST(3) |
<extended> |
yes |
yes |
$st3 |
| ST4 |
ST(4) |
<extended> |
yes |
yes |
$st4 |
| ST5 |
ST(5) |
<extended> |
yes |
yes |
$st5 |
| ST6 |
ST(6) |
<extended> |
yes |
yes |
$st6 |
| ST7 |
ST(7) |
<extended> |
yes |
yes |
$st7 |
| FPCR |
Floating-point control register |
<void> |
yes |
no |
$fpcr |
| FPSR |
Floating-point status register |
<void> |
no |
no |
$fpsr |
| FPTAG |
Tag word |
<void> |
no |
no |
$fptag |
| FPIOFF |
Instruction offset |
<void> |
no |
no |
$fpioff |
| FPISEL |
Instruction selector |
<void> |
no |
no |
$fpisel |
| FPDOFF |
Data offset |
<void> |
no |
no |
$fpdoff |
| FPDSEL |
Data selector |
<void> |
no |
no |
$fpdsel |
