Move EXCEPTION_TESTS_* out of math-tests.h

Continuing moving macros out of math-tests.h to smaller headers
following typo-proof conventions instead of using #ifndef, this patch
moves the EXCEPTION_TESTS_* macros for individual types out to their
own sysdeps header.

As with ROUNDING_TESTS_*, there is no need to define these macros if
FE_ALL_EXCEPT == 0 and the individual exception macros are undefined;
thus, math-tests-exceptions.h headers are only needed for soft-float
ARM and RISC-V, while the other cases that defined these macros do not
need to do so (and the associated math-tests.h headers are thus
removed without needing replacement by math-tests-exceptions.h
headers).

Tested with build-many-glibcs.py.

	* sysdeps/generic/math-tests-exceptions.h: New file.
	* sysdeps/generic/math-tests.h: Include <math-tests-exceptions.h>.
	(EXCEPTION_TESTS_float): Do not define here.
	(EXCEPTION_TESTS_double): Likewise.
	(EXCEPTION_TESTS_long_double): Likewise.
	(EXCEPTION_TESTS_float128): Likewise.
	* sysdeps/arm/math-tests.h [__SOFTFP__] (EXCEPTION_TESTS_float):
	Likewise.
	[__SOFTFP__] (EXCEPTION_TESTS_double): Likewise.
	[__SOFTFP__] (EXCEPTION_TESTS_long_double): Likewise.
	* sysdeps/arm/nofpu/math-tests-exceptions.h: New file.
	* sysdeps/m68k/coldfire/math-tests.h: Remove file.
	* sysdeps/mips/math-tests.h: Likewise.
	* sysdeps/nios2/math-tests.h: Likewise.
	* sysdeps/riscv/math-tests.h [!__riscv_flen]
	(EXCEPTION_TESTS_float): Do not define here.
	[!__riscv_flen] (EXCEPTION_TESTS_double): Likewise.
	[!__riscv_flen] (EXCEPTION_TESTS_long_double): Likewise.
	* sysdeps/riscv/nofpu/math-tests-exceptions.h: New file.

2 files changed, 29 insertions, 9 deletions

diff --git a/sysdeps/riscv/math-tests.h b/sysdeps/riscv/math-tests.h
index f4a8f9f5bc..6dd08c8757 100644
--- a/sysdeps/riscv/math-tests.h
+++ b/sysdeps/riscv/math-tests.h
@@ -20,13 +20,4 @@
 /* Trapping exceptions are not supported on RISC-V.  */
 #define EXCEPTION_ENABLE_SUPPORTED(EXCEPT)	((EXCEPT) == 0)
 
-/* Despite not supporting trapping exceptions, we support setting
-   floating-point exception flags on hard-float targets.  These are not
-   supported on soft-float targets.  */
-#ifndef __riscv_flen
-# define EXCEPTION_TESTS_float 0
-# define EXCEPTION_TESTS_double        0
-# define EXCEPTION_TESTS_long_double   0
-#endif
-
 #include_next <math-tests.h>
diff --git a/sysdeps/riscv/nofpu/math-tests-exceptions.h b/sysdeps/riscv/nofpu/math-tests-exceptions.h
new file mode 100644
index 0000000000..cf303666e5
--- /dev/null
+++ b/sysdeps/riscv/nofpu/math-tests-exceptions.h
@@ -0,0 +1,29 @@
+/* Configuration for math tests: support for exceptions.  RISC-V
+   no-FPU version.
+   Copyright (C) 2013-2018 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/>.  */
+
+#ifndef RISCV_NOFPU_MATH_TESTS_EXCEPTIONS_H
+#define RISCV_NOFPU_MATH_TESTS_EXCEPTIONS_H 1
+
+/* We support setting floating-point exception flags on hard-float
+   targets.  These are not supported on soft-float targets.  */
+#define EXCEPTION_TESTS_float 0
+#define EXCEPTION_TESTS_double        0
+#define EXCEPTION_TESTS_long_double   0
+
+#endif /* math-tests-exceptions.h.  */