diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2007-02-16 17:18:50 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-02-18 21:31:35 +0000 |
| commit | 102fa15c3f14565f2edb9f08f08ea3f2bf123dc9 (patch) | |
| tree | e4b753ec35e1cf543ab580df9b36b03086f9909c /kernel | |
| parent | 151fd6acd94e12ef3a7d5fa0911a2590690c493f (diff) | |
[MIPS] Use MIPS R2 instructions for bitops.
Add R2 optimized variants of clear_bit, set_bit and test_and_clear_bit.
With gcc 4.1.1 this saves 1592 bytes on a defconfig (minus IPv6) kernel.
Turns out that R2 bitop instructions are no gain for the other bitop
functions.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions