diff options
| -rw-r--r-- | math/Makefile | 7 | ||||
| -rw-r--r-- | math/test-ibm128.h | 19 | ||||
| -rw-r--r-- | math/test-ldouble.h | 7 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm-compat/Makeconfig | 3 |
4 files changed, 35 insertions, 1 deletions
diff --git a/math/Makefile b/math/Makefile index 1d203e7ad5..84a8b94c74 100644 --- a/math/Makefile +++ b/math/Makefile @@ -145,10 +145,15 @@ type-float128-yes := float128 # _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 diff --git a/math/test-ibm128.h b/math/test-ibm128.h new file mode 100644 index 0000000000..fce6ef1376 --- /dev/null +++ b/math/test-ibm128.h @@ -0,0 +1,19 @@ +/* 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" diff --git a/math/test-ldouble.h b/math/test-ldouble.h index 17c526bd71..5b72915008 100644 --- a/math/test-ldouble.h +++ b/math/test-ldouble.h @@ -27,6 +27,13 @@ # 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 diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/Makeconfig b/sysdeps/ieee754/ldbl-128ibm-compat/Makeconfig new file mode 100644 index 0000000000..997f632319 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm-compat/Makeconfig @@ -0,0 +1,3 @@ +# Include this earlier so it can be used earlier in Makefiles, +# and sysdep/ makefiles. +ibm128-fcts = yes |