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authorRichard Henderson <rth@twiddle.net>2014-01-24 09:07:04 -0800
committerMike Frysinger <vapier@gentoo.org>2014-01-25 16:36:03 -0500
commit787172fdbbdf78fc30f222748f1197d396b05f96 (patch)
treeb60c370f45df96661a5a1b023399d8721acae563
parentf09e8aec0cf7a8ddda8ae04859f3e256c1741775 (diff)
downloadglibc-gentoo/2.18.tar.gz
glibc-gentoo/2.18.tar.xz
glibc-gentoo/2.18.zip
alpha: Fix tls-macros.h gentoo/2.18
Reported to the gcc bugzilla, there was a missing dependency on $gp
that let the compiler generated $gp reload be scheduled across the
macros here.

(cherry picked from commit 4ab6acaebd0047dc37c6493946484be9f1b4920b)
-rw-r--r--ports/sysdeps/alpha/tls-macros.h22
1 files changed, 11 insertions, 11 deletions
diff --git a/ports/sysdeps/alpha/tls-macros.h b/ports/sysdeps/alpha/tls-macros.h
index 0385d93e2a..00489c289f 100644
--- a/ports/sysdeps/alpha/tls-macros.h
+++ b/ports/sysdeps/alpha/tls-macros.h
@@ -2,21 +2,21 @@
 
 extern void *__tls_get_addr (void *);
 
-# define TLS_GD(x)						\
-  ({ void *__result;						\
-     asm ("lda %0, " #x "($gp) !tlsgd" : "=r" (__result));	\
+# define TLS_GD(x)							\
+  ({ register void *__gp asm ("$29"); void *__result;			\
+     asm ("lda %0, " #x "($gp) !tlsgd" : "=r" (__result) : "r"(__gp));	\
      __tls_get_addr (__result); })
 
-# define TLS_LD(x)						\
-  ({ void *__result;						\
-     asm ("lda %0, " #x "($gp) !tlsldm" : "=r" (__result));	\
-     __result = __tls_get_addr (__result);			\
-     asm ("lda %0, " #x "(%0) !dtprel" : "+r" (__result));	\
+# define TLS_LD(x)							\
+  ({ register void *__gp asm ("$29"); void *__result;			\
+     asm ("lda %0, " #x "($gp) !tlsldm" : "=r" (__result) : "r"(__gp));	\
+     __result = __tls_get_addr (__result);				\
+     asm ("lda %0, " #x "(%0) !dtprel" : "+r" (__result));		\
      __result; })
 
-# define TLS_IE(x)						\
-  ({ long ofs;							\
-     asm ("ldq %0, " #x "($gp) !gottprel" : "=r"(ofs));		\
+# define TLS_IE(x)							\
+  ({ register void *__gp asm ("$29"); long ofs;				\
+     asm ("ldq %0, " #x "($gp) !gottprel" : "=r"(ofs) : "r"(__gp));	\
      __builtin_thread_pointer () + ofs; })
 
 # define TLS_LE(x)						\