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* [glibc/release/2.33/master] s390: Use long branches across object boundaries (jgh instead of jh)
@ 2021-11-10 14:22 Florian Weimer
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From: Florian Weimer @ 2021-11-10 14:22 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9edf29fd72ad12b2b74c8d838222616de5be6dc8
commit 9edf29fd72ad12b2b74c8d838222616de5be6dc8
Author: Florian Weimer <fweimer@redhat.com>
Date: Wed Nov 10 15:21:37 2021 +0100
s390: Use long branches across object boundaries (jgh instead of jh)
Depending on the layout chosen by the linker, the 16-bit displacement
of the jh instruction is insufficient to reach the target label.
Analysis of the linker failure was carried out by Nick Clifton.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Stefan Liebler <stli@linux.ibm.com>
(cherry picked from commit 98966749f2b418825ff2ea496a0ee89fe63d2cc8)
Diff:
---
sysdeps/s390/memmem-arch13.S | 2 +-
sysdeps/s390/strstr-arch13.S | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/sysdeps/s390/memmem-arch13.S b/sysdeps/s390/memmem-arch13.S
index c5c8d8c97e..58df8cdb14 100644
--- a/sysdeps/s390/memmem-arch13.S
+++ b/sysdeps/s390/memmem-arch13.S
@@ -41,7 +41,7 @@ ENTRY(MEMMEM_ARCH13)
# error The arch13 variant of memmem needs the z13 variant of memmem!
# endif
clgfi %r5,9
- jh MEMMEM_Z13
+ jgh MEMMEM_Z13
aghik %r0,%r5,-1 /* vll needs highest index. */
bc 4,0(%r14) /* cc==1: return if needle-len == 0. */
diff --git a/sysdeps/s390/strstr-arch13.S b/sysdeps/s390/strstr-arch13.S
index c7183e627c..222a6de91a 100644
--- a/sysdeps/s390/strstr-arch13.S
+++ b/sysdeps/s390/strstr-arch13.S
@@ -49,7 +49,7 @@ ENTRY(STRSTR_ARCH13)
# error The arch13 variant of strstr needs the z13 variant of strstr!
# endif
clgfi %r4,9
- jh STRSTR_Z13
+ jgh STRSTR_Z13
/* In case of a partial match, the vstrs instruction returns the index
of the partial match in a vector-register. Then we have to
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2021-11-10 14:22 [glibc/release/2.33/master] s390: Use long branches across object boundaries (jgh instead of jh) Florian Weimer
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