This patch creates test-ibm128* tests from the long double function tests.
In order to explicitly test IBM long double functions -mabi=ibmlongdouble is
added to CFLAGS.
Likewise, update the test headers to correct choose ULPs when redirects
are enabled.
Co-authored-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
Co-authored-by: Paul E. Murphy <murphyp@linux.vnet.ibm.com>
# _Float64x may be supported, only as an alias type.
type-float64x-yes := float64x
+# IBM long double support in additional to IEEE 128 long double support
+type-ibm128-suffix := l
+type-ibm128-yes := ibm128
+
types = $(types-basic) $(type-float128-$(float128-fcts))
test-types = $(test-types-basic) $(type-float128-$(float128-fcts)) \
float32 float64 $(type-float128-$(float128-alias-fcts)) \
- float32x $(type-float64x-$(float64x-alias-fcts))
+ float32x $(type-float64x-$(float64x-alias-fcts)) \
+ $(type-ibm128-$(ibm128-fcts))
# Pairs of types for which narrowing functions should be tested (this
# variable has more entries than libm-narrow-types because it includes
--- /dev/null
+/* Common definitions for libm tests for ibm long double.
+ Copyright (C) 2020 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/>. */
+
+#include "test-ldouble.h"
# define TYPE_STR "double"
# define ULP_IDX ULP_DBL
# define ULP_I_IDX ULP_I_DBL
+/* On architectures which redirect long double to _Float128 ABI, we must
+ choose the float128 ulps. Similarly, on such architectures, the ABI
+ used may be dependent on how the compiler was invoked. */
+#elif __LONG_DOUBLE_USES_FLOAT128 == 1
+# define TYPE_STR "float128"
+# define ULP_IDX ULP_FLT128
+# define ULP_I_IDX ULP_I_FLT128
#else
# define TYPE_STR "ldouble"
# define ULP_IDX ULP_LDBL
--- /dev/null
+# Include this earlier so it can be used earlier in Makefiles,
+# and sysdep/ makefiles.
+ibm128-fcts = yes