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Accepting request 30532 from Base:System

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Copy from Base:System/glibc based on submit request 30532 from user pbaudis

OBS-URL: https://build.opensuse.org/request/show/30532
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/glibc?expand=0&rev=15
This commit is contained in:
OBS User autobuild
2010-01-29 13:56:15 +00:00
committed by Git OBS Bridge
parent e29cecdd47
commit 5a6de5075b
5 changed files with 35 additions and 50 deletions
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39
glibc-ia64-memchr.diff
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@@ -1,39 +0,0 @@
On Mon, Nov 09, 2009 at 11:57:06AM -0800, H.J. Lu wrote:
> When data is shorter than software pipeline, recovery may fail. This
> patch avoids it by using a simple loop on data shorter than software
> pipeline.
>
Here is an updated patch. This one properly handles the shorter read
on speculative load.
H.J.
---
2009-11-09 H.J. Lu <hongjiu.lu@intel.com>
PR libc/10162
* sysdeps/ia64/memchr.S: Properly recover from shorter read.
diff --git a/sysdeps/ia64/memchr.S b/sysdeps/ia64/memchr.S
index cd062b2..cdd71ca 100644
--- a/sysdeps/ia64/memchr.S
+++ b/sysdeps/ia64/memchr.S
@@ -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: