From b2d36dda9b8ca4d850f3b8e3e437a38368a51519 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 30 Aug 2012 12:02:50 -0700 Subject: [PATCH] alpha: Work around gcc 4.8 aliasing difference/bug --- ports/ChangeLog.alpha | 5 +++++ ports/sysdeps/alpha/fpu/s_isnan.c | 12 +++++------- 2 files changed, 10 insertions(+), 7 deletions(-) diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha index 19edf6f13e..9589dd338d 100644 --- a/ports/ChangeLog.alpha +++ b/ports/ChangeLog.alpha @@ -1,3 +1,8 @@ +2012-08-30 Richard Henderson + + * sysdeps/alpha/fpu/s_isnan.c: Define all aliases in terms of + the original __isnan symbol. + 2012-08-27 Mike Frysinger [BZ #5400] diff --git a/ports/sysdeps/alpha/fpu/s_isnan.c b/ports/sysdeps/alpha/fpu/s_isnan.c index b18c7bb5f1..1f239ac249 100644 --- a/ports/sysdeps/alpha/fpu/s_isnan.c +++ b/ports/sysdeps/alpha/fpu/s_isnan.c @@ -28,11 +28,6 @@ #undef isnanf #undef __GI___isnanf -/* The hidden_proto in include/math.h was obscured by the macro hackery. */ -__typeof (__isnan) __isnanf; -hidden_proto (__isnanf) - - int __isnan (double x) { @@ -45,8 +40,11 @@ weak_alias (__isnan, isnan) /* It turns out that the 'double' version will also always work for single-precision. */ strong_alias (__isnan, __isnanf) -hidden_def (__isnanf) -weak_alias (__isnanf, isnanf) +weak_alias (__isnan, isnanf) + +/* ??? GCC 4.8 fails to look through chains of aliases with asm names + attached. Work around this for now. */ +hidden_ver (__isnan, __isnanf) #ifdef NO_LONG_DOUBLE strong_alias (__isnan, __isnanl)