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| author | dfr <dfr@FreeBSD.org> | 2001-09-22 18:27:01 +0000 |
|---|---|---|
| committer | dfr <dfr@FreeBSD.org> | 2001-09-22 18:27:01 +0000 |
| commit | 69d68ac34b943b6146bd104de03a5d4224456680 (patch) | |
| tree | 2728b76a0310b20af0abb6f09839a5c81720e90d /lib | |
| parent | 8a0f924b1537b2acc7e02a5f545e5bc79f3dd40e (diff) | |
| download | FreeBSD-src-69d68ac34b943b6146bd104de03a5d4224456680.zip FreeBSD-src-69d68ac34b943b6146bd104de03a5d4224456680.tar.gz | |
Fix a whole bunch of dependancy bugs and make it actually work when the
size is not a multiple of eight.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/ia64/string/bzero.S | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/libc/ia64/string/bzero.S b/lib/libc/ia64/string/bzero.S index 5d9948a..8f0004e 100644 --- a/lib/libc/ia64/string/bzero.S +++ b/lib/libc/ia64/string/bzero.S @@ -38,28 +38,30 @@ ENTRY(bzero, 2) cmp.ltu p6,p0=17,in1 // check for small (p6) br.dptk.few 3f - add r15=-1,in1 ;; -1: mov ar.lc=r15 +1: add r15=-1,in1 ;; + mov ar.lc=r15 ;; 2: st1 [in0]=r0,1 // zero one byte br.cloop.sptk.few 2b // loop + ;; mov ar.lc=r14 // done br.ret.sptk.few rp // Zero up to 8byte alignment -3: tbit.nz p6,p0=in1,0 ;; +3: tbit.nz p6,p0=in0,0 ;; (p6) st1 [in0]=r0,1 (p6) add in1=-1,in1 - tbit.nz p6,p0=in1,1 ;; + tbit.nz p6,p0=in0,1 ;; (p6) st2 [in0]=r0,2 (p6) add in1=-2,in1 - tbit.nz p6,p0=in1,2 ;; + tbit.nz p6,p0=in0,2 ;; (p6) st4 [in0]=r0,4 (p6) add in1=-4,in1 + ;; shr.u r15=in1,3 // word count extr.u in1=in1,0,3 ;; // trailing bytes cmp.eq p6,p0=r15,r0 // check for zero @@ -67,13 +69,14 @@ ENTRY(bzero, 2) (p6) br.dpnt.few 1b // zero last bytes add r15=-1,r15 ;; - mov ar.lc=r15 + mov ar.lc=r15 ;; 4: st8 [in0]=r0,8 br.cloop.sptk.few 4b (p7) br.dpnt.few 1b // zero last bytes + ;; mov ar.lc=r14 // done br.ret.sptk.few rp -END(bzero)
\ No newline at end of file +END(bzero) |
