GNU C Library master sources branch master updated. glibc-2.28.9000-402-g551e81d

jsm28@sourceware.org jsm28@sourceware.org
Mon Dec 17 18:32:00 GMT 2018


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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=551e81d9e321ebe63465be2607fd251da38b4b0b

commit 551e81d9e321ebe63465be2607fd251da38b4b0b
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Mon Dec 17 18:31:50 2018 +0000

    Do not clobber r12 for ia64 syscalls.
    
    GCC mainline now gives errors for an asm that clobbers the stack
    pointer.  According to
    <https://gcc.gnu.org/ml/gcc-patches/2018-12/msg00932.html> GCC
    previously ignored such a clobber; thus, this patch removes it from
    the clobbers for ia64 syscalls.
    
    Tested with build-many-glibcs.py for ia64-linux-gnu.
    
    	* sysdeps/unix/sysv/linux/ia64/sysdep.h (ASM_CLOBBERS_6_COMMON):
    	Do not clobber r12.

diff --git a/ChangeLog b/ChangeLog
index 16ca8b7..10eba56 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2018-12-17  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/unix/sysv/linux/ia64/sysdep.h (ASM_CLOBBERS_6_COMMON):
+	Do not clobber r12.
+
 	* scripts/glibcextract.py (compare_macro_consts): Take parameters
 	to allow extra macros from first or second sources.
 	* sysdeps/unix/sysv/linux/tst-mman-consts.py: New file.
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.h b/sysdeps/unix/sysv/linux/ia64/sysdep.h
index f8f8d90..0505b96 100644
--- a/sysdeps/unix/sysv/linux/ia64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/ia64/sysdep.h
@@ -346,7 +346,7 @@
 #define ASM_CLOBBERS_5	ASM_CLOBBERS_6, "out5"
 #define ASM_CLOBBERS_6_COMMON	, "out6", "out7",			\
   /* Non-stacked integer registers, minus r8, r10, r15.  */		\
-  "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18",	\
+  "r2", "r3", "r9", "r11", "r13", "r14", "r16", "r17", "r18",		\
   "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27",	\
   "r28", "r29", "r30", "r31",						\
   /* Predicate registers.  */						\

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                             |    3 +++
 sysdeps/unix/sysv/linux/ia64/sysdep.h |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)


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