svn commit: r257770 - head/lib/msun/src

[Steve Kargl]

On Thu, Nov 07, 2013 at 01:30:21PM -0700, Ian Lepore wrote:
> > 
> > I zero about floating-point on arm.  Does long double have
    I know ...
> > 64, 80, or 113-bit significands?
> > 
> 
> I don't know either (for some reason I'm thinking long double is synonym
> for double on arm, but I can't remember why I think that).
> 
> This compile failure isn't just arm, btw, it's also powerpc and mips.
> sparc and x86 seem to be okay.
> 

Inspection of the various _fpmath.h files shows that failures
are on long double == double platforms.  Can you test this
patch?

Index: Makefile
===================================================================
--- Makefile	(revision 257810)
+++ Makefile	(working copy)
@@ -71,7 +71,7 @@
 	s_lround.c s_lroundf.c s_lroundl.c s_modff.c \
 	s_nan.c s_nearbyint.c s_nextafter.c s_nextafterf.c \
 	s_nexttowardf.c s_remquo.c s_remquof.c \
-	s_rint.c s_rintf.c s_round.c s_roundf.c s_roundl.c \
+	s_rint.c s_rintf.c s_round.c s_roundf.c \
 	s_scalbln.c s_scalbn.c s_scalbnf.c s_signbit.c \
 	s_signgam.c s_significand.c s_significandf.c s_sin.c s_sinf.c \
 	s_tan.c s_tanf.c s_tanh.c s_tanhf.c s_tgammaf.c s_trunc.c s_truncf.c \
@@ -101,7 +101,7 @@
 	s_asinhl.c s_atanl.c s_cbrtl.c s_ceill.c s_cosl.c s_cprojl.c \
 	s_csqrtl.c s_exp2l.c s_expl.c s_floorl.c s_fmal.c \
 	s_frexpl.c s_logbl.c s_logl.c s_nanl.c s_nextafterl.c \
-	s_nexttoward.c s_remquol.c s_rintl.c s_scalbnl.c \
+	s_nexttoward.c s_remquol.c s_rintl.c  s_roundl.c s_scalbnl.c \
 	s_sinl.c s_tanl.c s_truncl.c w_cabsl.c
 .endif
 
Index: src/s_round.c
===================================================================
--- src/s_round.c	(revision 257810)
+++ src/s_round.c	(working copy)
@@ -52,3 +52,7 @@
 		return (-t);
 	}
 }
+
+#if (LDBL_MANT_DIG == 53)
+__weak_reference(round, roundl);
+#endif

-- 
Steve