diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2005-08-25 23:50:55 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2005-08-25 23:50:55 +0000 |
| commit | 46b06e9c1c7d57ae0008b3a282110d8ce4345b5f (patch) | |
| tree | 8bb70d81ee67ecd175ad14778b2513e4496e3b9e /libc/sysdeps/linux/sparc/sparcv9/sdiv.S | |
| parent | 4147ffbcc6e2c20ab9bc1b43330244abe5a10b63 (diff) | |
import different optimized versions of div funcs based upon target sparc arch
Diffstat (limited to 'libc/sysdeps/linux/sparc/sparcv9/sdiv.S')
| -rw-r--r-- | libc/sysdeps/linux/sparc/sparcv9/sdiv.S | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc/sparcv9/sdiv.S b/libc/sysdeps/linux/sparc/sparcv9/sdiv.S new file mode 100644 index 000000000..45535bb68 --- /dev/null +++ b/libc/sysdeps/linux/sparc/sparcv9/sdiv.S @@ -0,0 +1,18 @@ +/* + * Sparc v9 has divide. + * As divx takes 68 cycles and sdivcc only 36, + * we use sdivcc eventhough it is deprecated. + */ + + .text + .align 32 +ENTRY(.div) + + sra %o0, 31, %o2 + wr %o2, 0, %y + sdivcc %o0, %o1, %o0 + xnor %o0, %g0, %o2 + retl + movvs %icc, %o2, %o0 + +END(.div) |