Signed-off-by: Vineet Gupta <vgu...@synopsys.com>
---
ChangeLog | 6 +++
sysdeps/arc/bits/fenv.h | 92 ++++++++++++++++++++++++++++++++
sysdeps/arc/math_private.h | 6 +++
sysdeps/arc/nofpu/Implies | 1 +
sysdeps/arc/nofpu/math-tests-exception.h | 27 ++++++++++
sysdeps/arc/nofpu/math-tests-rounding.h | 27 ++++++++++
sysdeps/arc/sfp-machine.h | 51 ++++++++++++++++++
7 files changed, 210 insertions(+)
create mode 100644 sysdeps/arc/bits/fenv.h
create mode 100644 sysdeps/arc/math_private.h
create mode 100644 sysdeps/arc/nofpu/Implies
create mode 100644 sysdeps/arc/nofpu/math-tests-exception.h
create mode 100644 sysdeps/arc/nofpu/math-tests-rounding.h
create mode 100644 sysdeps/arc/sfp-machine.h
diff --git a/ChangeLog b/ChangeLog
index d2f6cd2d0d09..b946f57204b6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,6 +38,12 @@
* sysdeps/arc/atomic-machine.h: New file.
* sysdeps/arc/nptl/bits/pthreadtypes-arch.h: New file.
* sysdeps/arc/nptl/bits/semaphore.h: New file.
+ * sysdeps/arc/bits/fenv.h: New file.
+ * sysdeps/arc/math_private.h: New file.
+ * sysdeps/arc/nofpu/Implies: New file.
+ * sysdeps/arc/nofpu/math-tests-exception.h: New file.
+ * sysdeps/arc/nofpu/math-tests-rounding.h: New file.
+ * sysdeps/arc/sfp-machine.h: New file.
2018-12-17 Joseph Myers <jos...@codesourcery.com>
diff --git a/sysdeps/arc/bits/fenv.h b/sysdeps/arc/bits/fenv.h
new file mode 100644
index 000000000000..4053f57d1094
--- /dev/null
+++ b/sysdeps/arc/bits/fenv.h
@@ -0,0 +1,92 @@
+/* Copyright (C) 2012-2018 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 _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+#if defined(__ARC_FPU_SP__) || defined(__ARC_FPU_DP__)
+
+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
+ };
+
+#else
+
+/* In the soft-float case, only rounding to nearest is supported, with
+ no exceptions. */
+
+enum
+ {
+ __FE_UNDEFINED = -1,
+
+ FE_TONEAREST =
+# define FE_TONEAREST 0x0
+ FE_TONEAREST
+ };
+
+# define FE_ALL_EXCEPT 0
+
+#endif
+
+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/math_private.h b/sysdeps/arc/math_private.h
new file mode 100644
index 000000000000..35046d842533
--- /dev/null
+++ b/sysdeps/arc/math_private.h
@@ -0,0 +1,6 @@
+#ifndef ARC_MATH_PRIVATE_H
+#define ARC_MATH_PRIVATE_H
+
+#include_next <math_private.h>
+
+#endif
diff --git a/sysdeps/arc/nofpu/Implies b/sysdeps/arc/nofpu/Implies
new file mode 100644
index 000000000000..abcbadb25f22
--- /dev/null
+++ b/sysdeps/arc/nofpu/Implies
@@ -0,0 +1 @@
+ieee754/soft-fp
diff --git a/sysdeps/arc/nofpu/math-tests-exception.h
b/sysdeps/arc/nofpu/math-tests-exception.h
new file mode 100644
index 000000000000..bb338388d8af
--- /dev/null
+++ b/sysdeps/arc/nofpu/math-tests-exception.h
@@ -0,0 +1,27 @@
+/* Configuration for math tests. exceptions support ARC version.
+ Copyright (C) 2017-2018 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 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_double 0
+
+#endif
diff --git a/sysdeps/arc/nofpu/math-tests-rounding.h
b/sysdeps/arc/nofpu/math-tests-rounding.h
new file mode 100644
index 000000000000..e371e647db13
--- /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) 2017-2018 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 ARC_NOFPU_MATH_TESTS_ROUNDING_H
+#define ARC_NOFPU_MATH_TESTS_ROUNDING_H 1
+
+/* soft-float only supports to-nearest rounding mode */
+#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
diff --git a/sysdeps/arc/sfp-machine.h b/sysdeps/arc/sfp-machine.h
new file mode 100644
index 000000000000..95eefc187430
--- /dev/null
+++ b/sysdeps/arc/sfp-machine.h
@@ -0,0 +1,51 @@
+#define _FP_W_TYPE_SIZE 32
+#define _FP_W_TYPE unsigned long
+#define _FP_WS_TYPE signed long
+#define _FP_I_TYPE long
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_MUL_MEAT_DW_S(R,X,Y) \
+ _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_DW_D(R,X,Y) \
+ _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_DW_Q(R,X,Y) \
+ _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
+#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+#define _FP_NANSIGN_S 0
+#define _FP_NANSIGN_D 0
+#define _FP_NANSIGN_Q 0
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
+
+/* This is arbitrarily taken from the PowerPC version. */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do { \
+ if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
+ && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
+ { \
+ R##_s = Y##_s; \
+ _FP_FRAC_COPY_##wc(R,Y); \
+ } \
+ else \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc(R,X); \
+ } \
+ R##_c = FP_CLS_NAN; \
+ } while (0)
+
+#define _FP_TININESS_AFTER_ROUNDING 0
--
2.7.4
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