Re: [PATCH v4 06/15] ARC: math soft float support

[Vineet Gupta]

On 3/25/20 6:59 PM, Joseph Myers wrote:

>> +/* Soft-float doesnot support exceptions.  */
> Missing space, should be "does not".

Fixed.

Thx,
-Vineet

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Re: [PATCH v4 06/15] ARC: math soft float support

[Joseph Myers]

On Thu, 12 Mar 2020, Vineet Gupta via Libc-alpha wrote:

> +/* Soft-float doesnot support exceptions.  */

Missing space, should be "does not".

-- 
Joseph S. Myers
jos...@codesourcery.com

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[PATCH v4 06/15] ARC: math soft float support

[Vineet Gupta]

Signed-off-by: Vineet Gupta 
---
 sysdeps/arc/bits/fenv.h   | 72 ++
 sysdeps/arc/nofpu/Implies |  1 +
 sysdeps/arc/nofpu/math-tests-exceptions.h | 27 +
 sysdeps/arc/nofpu/math-tests-rounding.h   | 27 +
 sysdeps/arc/sfp-machine.h | 73 +++
 5 files changed, 200 insertions(+)
 create mode 100644 sysdeps/arc/bits/fenv.h
 create mode 100644 sysdeps/arc/nofpu/Implies
 create mode 100644 sysdeps/arc/nofpu/math-tests-exceptions.h
 create mode 100644 sysdeps/arc/nofpu/math-tests-rounding.h
 create mode 100644 sysdeps/arc/sfp-machine.h

diff --git a/sysdeps/arc/bits/fenv.h b/sysdeps/arc/bits/fenv.h
new file mode 100644
index ..547f0103a53d
--- /dev/null
+++ b/sysdeps/arc/bits/fenv.h
@@ -0,0 +1,72 @@
+/* Copyright (C) 2012-2020 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
+   .  */
+
+#ifndef _FENV_H
+# error "Never use  directly; include  instead."
+#endif
+
+enum
+  {
+FE_INVALID   =
+# define FE_INVALID(0x01)
+  FE_INVALID,
+FE_DIVBYZERO =
+# define FE_DIVBYZERO  (0x02)
+  FE_DIVBYZERO,
+FE_OVERFLOW  =
+# define FE_OVERFLOW   (0x04)
+  FE_OVERFLOW,
+FE_UNDERFLOW =
+# define FE_UNDERFLOW  (0x08)
+  FE_UNDERFLOW,
+FE_INEXACT   =
+# define FE_INEXACT(0x10)
+  FE_INEXACT
+  };
+
+# define FE_ALL_EXCEPT \
+   (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT)
+
+enum
+  {
+FE_TOWARDZERO =
+# define FE_TOWARDZERO (0x0)
+  FE_TOWARDZERO,
+FE_TONEAREST  =
+# define FE_TONEAREST  (0x1)
+  FE_TONEAREST,
+FE_UPWARD =
+# define FE_UPWARD (0x2)
+  FE_UPWARD,
+FE_DOWNWARD   =
+# define FE_DOWNWARD   (0x3)
+  FE_DOWNWARD
+  };
+
+typedef unsigned int fexcept_t;
+typedef unsigned int fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT)
+/* Type representing floating-point control modes.  */
+typedef unsigned int femode_t;
+
+/* Default floating-point control modes.  */
+# define FE_DFL_MODE   ((const femode_t *) -1L)
+#endif
diff --git a/sysdeps/arc/nofpu/Implies b/sysdeps/arc/nofpu/Implies
new file mode 100644
index ..abcbadb25f22
--- /dev/null
+++ b/sysdeps/arc/nofpu/Implies
@@ -0,0 +1 @@
+ieee754/soft-fp
diff --git a/sysdeps/arc/nofpu/math-tests-exceptions.h 
b/sysdeps/arc/nofpu/math-tests-exceptions.h
new file mode 100644
index ..7d74720db94b
--- /dev/null
+++ b/sysdeps/arc/nofpu/math-tests-exceptions.h
@@ -0,0 +1,27 @@
+/* Configuration for math tests. exceptions support ARC version.
+   Copyright (C) 2017-2020 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
+   .  */
+
+#ifndef ARC_NOFPU_MATH_TESTS_EXCEPTIONS_H
+#define ARC_NOFPU_MATH_TESTS_EXCEPTIONS_H 1
+
+/* Soft-float doesnot support exceptions.  */
+#define EXCEPTION_TESTS_float  0
+#define EXCEPTION_TESTS_double 0
+#define EXCEPTION_TESTS_long_double0
+
+#endif
diff --git a/sysdeps/arc/nofpu/math-tests-rounding.h 
b/sysdeps/arc/nofpu/math-tests-rounding.h
new file mode 100644
index ..6e5376cb35b5
--- /dev/null
+++ b/sysdeps/arc/nofpu/math-tests-rounding.h
@@ -0,0 +1,27 @@
+/* Configuration for math tests: rounding mode support.  ARC version.
+   Copyright (C) 2017-2020 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