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Diffstat (limited to 'doc/cpu_supplement/sparc.t')
| -rw-r--r-- | doc/cpu_supplement/sparc.t | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/cpu_supplement/sparc.t b/doc/cpu_supplement/sparc.t index 616f79f5c2..320c250e40 100644 --- a/doc/cpu_supplement/sparc.t +++ b/doc/cpu_supplement/sparc.t @@ -397,6 +397,9 @@ describes the role of each of these registers: @end html @end ifset +The registers g2 through g4 are reserved for applications. GCC uses them as +volatile registers by default. So they are treated like volatile registers in +RTEMS as well. @subsubsection Floating Point Registers |