diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2008-12-03 03:10:25 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-04 09:17:19 -0800 |
| commit | 478b8fecda511942404ac232897a718cecd13e48 (patch) | |
| tree | e022fce8ca92f93a000e1cd686255f0b126e9fd5 /arch/sparc/lib/memcmp_64.S | |
| parent | 18269c0fd4db9bec2668f895f21d742486ccb90f (diff) | |
sparc,sparc64: unify lib/
o Renamed files in sparc64 to <name>_64.S when identical
to sparc32 files.
o iomap.c were equal for sparc32 and sparc64
o adjusted sparc/Makefile now we have only one lib/
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/lib/memcmp_64.S')
| -rw-r--r-- | arch/sparc/lib/memcmp_64.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/sparc/lib/memcmp_64.S b/arch/sparc/lib/memcmp_64.S new file mode 100644 index 00000000000..d3fdaa89856 --- /dev/null +++ b/arch/sparc/lib/memcmp_64.S @@ -0,0 +1,28 @@ +/* + * Sparc64 optimized memcmp code. + * + * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * Copyright (C) 2000 David S. Miller (davem@redhat.com) + */ + + .text + .align 32 + .globl __memcmp, memcmp +__memcmp: +memcmp: + cmp %o2, 0 ! IEU1 Group +loop: be,pn %icc, ret_0 ! CTI + nop ! IEU0 + ldub [%o0], %g7 ! LSU Group + ldub [%o1], %g3 ! LSU Group + sub %o2, 1, %o2 ! IEU0 + add %o0, 1, %o0 ! IEU1 + add %o1, 1, %o1 ! IEU0 Group + subcc %g7, %g3, %g3 ! IEU1 Group + be,pt %icc, loop ! CTI + cmp %o2, 0 ! IEU1 Group + +ret_n0: retl + mov %g3, %o0 +ret_0: retl + mov 0, %o0 |