diff options
Diffstat (limited to 'gdb/alpha-tdep.c')
| -rw-r--r-- | gdb/alpha-tdep.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c index 6d9c58d4e5d..da514bf1c1e 100644 --- a/gdb/alpha-tdep.c +++ b/gdb/alpha-tdep.c @@ -107,10 +107,18 @@ alpha_register_reggroup_p (struct gdbarch *gdbarch, int regnum, if (REGISTER_NAME (regnum) == NULL || *REGISTER_NAME (regnum) == '\0') return 0; - /* Since we implement no pseudo registers, save/restore is equal to all. */ - if (group == all_reggroup - || group == save_reggroup - || group == restore_reggroup) + if (group == all_reggroup) + return 1; + + /* Zero should not be saved or restored. Technically it is a general + register (just as $f31 would be a float if we represented it), but + there's no point displaying it during "info regs", so leave it out + of all groups except for "all". */ + if (regnum == ALPHA_ZERO_REGNUM) + return 0; + + /* All other registers are saved and restored. */ + if (group == save_reggroup || group == restore_reggroup) return 1; /* All other groups are non-overlapping. */ |