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Properly recover from shorter read. 

(cherry picked from commit 6622141795)
This commit is contained in:
H.J. Lu 2009-11-20 08:30:20 -08:00 committed by Petr Baudis
parent 1bc1954c73
commit 8d7c09b162
2 changed files with 16 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2009-11-18 H.J. Lu <hongjiu.lu@intel.com>
[BZ #10162]
* sysdeps/ia64/memchr.S: Don't use a simple loop on data shorter
than software pipeline. Properly recover from shorter read.
2009-11-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sync_file_range.c (sync_file_range):

11
sysdeps/ia64/memchr.S
View File

@ -126,7 +126,16 @@ ENTRY(__memchr)
br.ret.sptk.many b0
.recovery:
adds ret0 = -((MEMLAT + 1) * 8), ret0;;
#if MEMLAT != 6
# error "MEMLAT must be 6!"
#endif
(p[MEMLAT-6]) add ret0 = -8, ret0;;
(p[MEMLAT-5]) add ret0 = -8, ret0;;
(p[MEMLAT-4]) add ret0 = -8, ret0;;
(p[MEMLAT-3]) add ret0 = -8, ret0;;
(p[MEMLAT-2]) add ret0 = -8, ret0;;
(p[MEMLAT-1]) add ret0 = -8, ret0;;
(p[MEMLAT]) add ret0 = -8, ret0;;
(p[MEMLAT+1]) add ret0 = -8, ret0;;
(p[MEMLAT+2]) add ret0 = -8, ret0;;
.l4: