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GNU C Library master sources branch master updated. glibc-2.17-776-g0efa6f8
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 10 Jun 2013 12:35:10 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.17-776-g0efa6f8
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0efa6f8b9906cddf2da36722449c8e30fb698b37
commit 0efa6f8b9906cddf2da36722449c8e30fb698b37
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Jun 10 12:34:49 2013 +0000
Add rounding mode information to math-tests.h and use it in libm-test.inc.
diff --git a/ChangeLog b/ChangeLog
index e8de668..7cc1378 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2013-06-10 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/generic/math-tests.h (ROUNDING_TESTS_float): New macro.
+ (ROUNDING_TESTS_double): Likewise.
+ (ROUNDING_TESTS_long_double): Likewise.
+ (ROUNDING_TESTS): Likewise.
+ * math/libm-test.inc: Include <math-tests.h>.
+ (IF_ROUND_INIT_FE_DOWNWARD): Use ROUNDING_TESTS.
+ (IF_ROUND_INIT_FE_TONEAREST): Likewise.
+ (IF_ROUND_INIT_FE_TOWARDZERO): Likewise.
+ (IF_ROUND_INIT_FE_UPWARD): Likewise.
+
2013-06-10 Siddhesh Poyarekar <siddhesh@redhat.com>
* benchtests/Makefile (CPPFLAGS-nonlib): Append values instead
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 6870d96..ed050cb 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -125,6 +125,7 @@
#include <string.h>
#include <argp.h>
#include <tininess.h>
+#include <math-tests.h>
/* Structure for ulp data for a test, a function, or the real or
imaginary part of a function. */
@@ -1085,16 +1086,20 @@ struct test_fFF_11_data
#define IF_ROUND_INIT_ /* Empty. */
#define IF_ROUND_INIT_FE_DOWNWARD \
int save_round_mode = fegetround (); \
- if (fesetround (FE_DOWNWARD) == 0)
+ if (ROUNDING_TESTS (FLOAT, FE_DOWNWARD) \
+ && fesetround (FE_DOWNWARD) == 0)
#define IF_ROUND_INIT_FE_TONEAREST \
int save_round_mode = fegetround (); \
- if (fesetround (FE_TONEAREST) == 0)
+ if (ROUNDING_TESTS (FLOAT, FE_TONEAREST) \
+ && fesetround (FE_TONEAREST) == 0)
#define IF_ROUND_INIT_FE_TOWARDZERO \
int save_round_mode = fegetround (); \
- if (fesetround (FE_TOWARDZERO) == 0)
+ if (ROUNDING_TESTS (FLOAT, FE_TOWARDZERO) \
+ && fesetround (FE_TOWARDZERO) == 0)
#define IF_ROUND_INIT_FE_UPWARD \
int save_round_mode = fegetround (); \
- if (fesetround (FE_UPWARD) == 0)
+ if (ROUNDING_TESTS (FLOAT, FE_UPWARD) \
+ && fesetround (FE_UPWARD) == 0)
#define ROUND_RESTORE_ /* Empty. */
#define ROUND_RESTORE_FE_DOWNWARD \
fesetround (save_round_mode)
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 37eac21..6b0310b 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,7 @@
+2013-06-10 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/arm/math-tests.h: New file.
+
2013-06-05 Richard Henderson <rth@redhat.com>
[BZ #15583]
diff --git a/ports/sysdeps/arm/math-tests.h b/ports/sysdeps/arm/math-tests.h
new file mode 100644
index 0000000..6b8e089
--- /dev/null
+++ b/ports/sysdeps/arm/math-tests.h
@@ -0,0 +1,28 @@
+/* Configuration for math tests. ARM version.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* On systems with VFP support, but where glibc is built for
+ soft-float, the libgcc functions used in libc and libm do not
+ support rounding modes, although fesetround succeeds. */
+#ifdef __SOFTFP__
+# define ROUNDING_TESTS_float(MODE) ((MODE) == FE_TONEAREST)
+# define ROUNDING_TESTS_double(MODE) ((MODE) == FE_TONEAREST)
+# define ROUNDING_TESTS_long_double(MODE) ((MODE) == FE_TONEAREST)
+#endif
+
+#include_next <math-tests.h>
diff --git a/sysdeps/generic/math-tests.h b/sysdeps/generic/math-tests.h
index da8747a..b1e9fd7 100644
--- a/sysdeps/generic/math-tests.h
+++ b/sysdeps/generic/math-tests.h
@@ -40,3 +40,21 @@
#ifndef SNAN_TESTS_TYPE_CAST
# define SNAN_TESTS_TYPE_CAST 1
#endif
+
+/* Indicate whether to run tests involving a given rounding mode for a
+ given floating-point type, given that fesetround succeeds for that
+ mode. All are run if fesetround succeeds unless overridden. */
+#ifndef ROUNDING_TESTS_float
+# define ROUNDING_TESTS_float(MODE) 1
+#endif
+#ifndef ROUNDING_TESTS_double
+# define ROUNDING_TESTS_double(MODE) 1
+#endif
+#ifndef ROUNDING_TESTS_long_double
+# define ROUNDING_TESTS_long_double(MODE) 1
+#endif
+
+#define ROUNDING_TESTS(TYPE, MODE) \
+ (sizeof (TYPE) == sizeof (float) ? ROUNDING_TESTS_float (MODE) \
+ : sizeof (TYPE) == sizeof (double) ? ROUNDING_TESTS_double (MODE) \
+ : ROUNDING_TESTS_long_double (MODE))
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++++++++
math/libm-test.inc | 13 +++++++++----
ports/ChangeLog.arm | 4 ++++
.../i386/fpu => ports/sysdeps/arm}/math-tests.h | 17 +++++++++--------
sysdeps/generic/math-tests.h | 18 ++++++++++++++++++
5 files changed, 52 insertions(+), 12 deletions(-)
copy {sysdeps/i386/fpu => ports/sysdeps/arm}/math-tests.h (64%)
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