This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Fix ldbl-128ibm iscanonical for -mlong-double-64 [committed]
- From: Joseph Myers <joseph at codesourcery dot com>
- To: <libc-alpha at sourceware dot org>
- Date: Fri, 30 Sep 2016 15:08:42 +0000
- Subject: Fix ldbl-128ibm iscanonical for -mlong-double-64 [committed]
- Authentication-results: sourceware.org; auth=none
This patch fixes the ldbl-128ibm version of the iscanonical macro not
to use __iscanonicall when long double = double (-mlong-double-64).
Tested for powerpc. Committed.
2016-09-30 Joseph Myers <joseph@codesourcery.com>
* sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h
[__NO_LONG_DOUBLE_MATH] (__iscanonicall): Do not declare.
[__NO_LONG_DOUBLE_MATH] (iscanonical): Define to evaluate to 1.
diff --git a/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h b/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h
index cbc79ae..c7b7c63 100644
--- a/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h
+++ b/sysdeps/ieee754/ldbl-128ibm/bits/iscanonical.h
@@ -20,6 +20,9 @@
# error "Never use <bits/iscanonical.h> directly; include <math.h> instead."
#endif
+#ifdef __NO_LONG_DOUBLE_MATH
+# define iscanonical(x) ((void) (__typeof (x)) (x), 1)
+#else
extern int __iscanonicall (long double __x)
__THROW __attribute__ ((__const__));
@@ -29,7 +32,8 @@ extern int __iscanonicall (long double __x)
conversion, before being discarded; in IBM long double, there are
encodings that are not consistently handled as corresponding to any
particular value of the type, and we return 0 for those. */
-#define iscanonical(x) \
+# define iscanonical(x) \
(sizeof (x) == sizeof (long double) \
? __iscanonicall (x) \
: ((void) (__typeof (x)) (x), 1))
+#endif
--
Joseph S. Myers
joseph@codesourcery.com