diff options
| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-05-22 11:47:41 -0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-06-19 12:39:13 -0400 |
| commit | c138e12f3a2e0421a4c8edf02587d2d394418679 (patch) | |
| tree | 66abbf27cbfc9030958b469aa4d826242417a752 /Documentation/kernel-doc-nano-HOWTO.txt | |
| parent | 734996820fd02b52a3fa0fcc09bdb914934bea4c (diff) | |
[MIPS] Fix fpu_save_double on 64-bit.
> Without this fix, _save_fp() in 64-bit kernel is seriously broken.
>
> ffffffff8010bec0 <_save_fp>:
> ffffffff8010bec0: 400d6000 mfc0 t1,c0_status
> ffffffff8010bec4: 000c7140 sll t2,t0,0x5
> ffffffff8010bec8: 05c10011 bgez t2,ffffffff8010bf10 <_save_fp+0x50>
> ffffffff8010becc: 00000000 nop
> ffffffff8010bed0: f4810328 sdc1 $f1,808(a0)
> ...
Fix register usage in fpu_save_double() and make fpu_restore_double()
more symmetric with fpu_save_double().
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'Documentation/kernel-doc-nano-HOWTO.txt')
0 files changed, 0 insertions, 0 deletions