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authorRichard Henderson <rth@twiddle.net>2014-01-24 09:07:04 -0800
committerRichard Henderson <rth@twiddle.net>2014-01-24 09:07:04 -0800
commit4ab6acaebd0047dc37c6493946484be9f1b4920b (patch)
tree1ec789f38b37b1226e56b8500286065b5f88d00e /ports/sysdeps/alpha
parent47590bce28616abbcee93457da91d65a7a07589b (diff)
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alpha: Fix tls-macros.h
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.
Diffstat (limited to 'ports/sysdeps/alpha')
-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)						\