new file mode 100644
@@ -0,0 +1,97 @@
+/* Copyright (C) 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
+
+/* Define bits representing the exception. We use the bit positions
+ of the appropriate bits in the FPU control word. */
+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,
+ FE_DENORMAL =
+#define FE_DENORMAL 0x20
+ FE_DENORMAL,
+ };
+
+#define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW |\
+ FE_INVALID | FE_DENORMAL)
+
+/* The C-SKY FPU supports all of the four defined rounding modes. We
+ use again the bit positions in the FPU control word as the values
+ for the appropriate macros. */
+enum
+ {
+ FE_TONEAREST =
+#define FE_TONEAREST (0x0 << 24)
+ FE_TONEAREST,
+ FE_TOWARDZERO =
+#define FE_TOWARDZERO (0x1 << 24)
+ FE_TOWARDZERO,
+ FE_UPWARD =
+#define FE_UPWARD (0x2 << 24)
+ FE_UPWARD,
+ FE_DOWNWARD =
+#define FE_DOWNWARD (0x3 << 24)
+ FE_DOWNWARD,
+ FE_ROUND_MASK =
+#define FE_ROUND_MASK (0x3 << 24)
+ FE_ROUND_MASK
+ };
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment. */
+typedef struct
+ {
+ unsigned int __fpcr;
+ unsigned int __fpsr;
+ }
+fenv_t;
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exceptions are masked. */
+# define FE_NOMASK_ENV ((const fenv_t *) -2)
+#endif
+
+#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
new file mode 100644
@@ -0,0 +1,288 @@
+/* Private floating point rounding and exceptions handling. C-SKY version.
+ Copyright (C) 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_PRIVATE_H
+#define FENV_PRIVATE_H 1
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+#ifdef __csky_hard_float__
+# include <fenv_libc.h>
+
+static __always_inline void
+libc_feholdexcept_vfp (fenv_t *envp)
+{
+ unsigned int fpsr;
+ unsigned int fpcr;
+
+ _FPU_GETCW (fpcr);
+ envp->__fpcr = fpcr;
+
+ _FPU_GETFPSR (fpsr);
+ envp->__fpsr = fpsr;
+
+ /* Now set all exceptions to non-stop. */
+ fpcr &= ~FE_ALL_EXCEPT;
+
+ /* And clear all exception flags. */
+ fpsr &= ~(FE_ALL_EXCEPT << CAUSE_SHIFT);
+
+ _FPU_SETFPSR (fpsr);
+
+ _FPU_SETCW (fpcr);
+}
+
+static __always_inline void
+libc_fesetround_vfp (int round)
+{
+ fpu_control_t fpcr;
+
+ _FPU_GETCW (fpcr);
+
+ /* Set new rounding mode if different. */
+ if (__glibc_unlikely ((fpcr & FE_DOWNWARD) != round))
+ _FPU_SETCW ((fpcr & ~FE_DOWNWARD) | round);
+}
+
+static __always_inline void
+libc_feholdexcept_setround_vfp (fenv_t *envp, int round)
+{
+ fpu_control_t fpsr;
+ fpu_control_t fpcr;
+
+ _FPU_GETCW (fpcr);
+ envp->__fpcr = fpcr;
+
+ _FPU_GETFPSR (fpsr);
+ envp->__fpsr = fpsr;
+
+ /* Clear exception flags, set all exceptions to non-stop,
+ and set new rounding mode. */
+ fpcr &= ~(FE_ALL_EXCEPT | FE_DOWNWARD);
+ _FPU_SETCW (fpcr | round);
+
+ fpsr &= ~(FE_ALL_EXCEPT << CAUSE_SHIFT);
+ _FPU_SETFPSR (fpsr);
+}
+
+static __always_inline void
+libc_feholdsetround_vfp (fenv_t *envp, int round)
+{
+ fpu_control_t fpcr;
+
+ _FPU_GETCW (fpcr);
+ envp->__fpcr = fpcr;
+
+ /* Set new rounding mode if different. */
+ if (__glibc_unlikely ((fpcr & FE_DOWNWARD) != round))
+ _FPU_SETCW ((fpcr & ~FE_DOWNWARD) | round);
+}
+
+static __always_inline void
+libc_feresetround_vfp (fenv_t *envp)
+{
+ fpu_control_t fpcr, round;
+
+ _FPU_GETCW (fpcr);
+
+ /* Check whether rounding modes are different. */
+ round = (envp->__fpcr ^ fpcr) & FE_DOWNWARD;
+
+ /* Restore the rounding mode if it was changed. */
+ if (__glibc_unlikely (round != 0))
+ _FPU_SETCW (fpcr ^ round);
+}
+
+static __always_inline int
+libc_fetestexcept_vfp (int ex)
+{
+ fpu_control_t fpsr;
+
+ _FPU_GETFPSR (fpsr);
+ fpsr = fpsr >> CAUSE_SHIFT;
+ return fpsr & ex & FE_ALL_EXCEPT;
+}
+
+static __always_inline void
+libc_fesetenv_vfp (const fenv_t *envp)
+{
+ unsigned int fpcr;
+ unsigned int fpsr;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+
+ fpcr &= _FPU_RESERVED;
+ fpsr &= _FPU_FPSR_RESERVED;
+
+ if (envp == FE_DFL_ENV)
+ {
+ fpcr |= _FPU_DEFAULT;
+ fpsr |= _FPU_FPSR_DEFAULT;
+ }
+ else if (envp == FE_NOMASK_ENV)
+ {
+ fpcr |= _FPU_FPCR_IEEE;
+ fpsr |= _FPU_FPSR_IEEE;
+ }
+ else
+ {
+ fpcr |= envp->__fpcr & ~_FPU_RESERVED;
+ fpsr |= envp->__fpsr & ~_FPU_FPSR_RESERVED;
+ }
+
+ _FPU_SETFPSR (fpsr);
+
+ _FPU_SETCW (fpcr);
+}
+
+static __always_inline int
+libc_feupdateenv_test_vfp (const fenv_t *envp, int ex)
+{
+ fpu_control_t fpsr, new_fpsr;
+ int excepts;
+
+ _FPU_GETFPSR (fpsr);
+
+ /* Merge current exception flags with the saved fenv. */
+ excepts = (fpsr >> CAUSE_SHIFT) & FE_ALL_EXCEPT;
+ new_fpsr = envp->__fpsr | (excepts << CAUSE_SHIFT);
+
+ /* Write new FPSCR if different (ignoring NZCV flags). */
+ if (__glibc_unlikely (((fpsr ^ new_fpsr)) != 0))
+ _FPU_SETFPSR (new_fpsr);
+
+ /* Raise the exceptions if enabled in the new FP state. */
+ if (__glibc_unlikely (excepts & (new_fpsr >> CAUSE_SHIFT)))
+ __feraiseexcept (excepts);
+
+ return excepts & ex;
+}
+
+static __always_inline void
+libc_feupdateenv_vfp (const fenv_t *envp)
+{
+ libc_feupdateenv_test_vfp (envp, 0);
+}
+
+static __always_inline void
+libc_feholdsetround_vfp_ctx (struct rm_ctx *ctx, int r)
+{
+ fpu_control_t fpcr, round;
+
+ _FPU_GETCW (fpcr);
+ ctx->updated_status = false;
+ ctx->env.__fpcr = fpcr;
+
+ /* Check whether rounding modes are different. */
+ round = (fpcr ^ r) & FE_DOWNWARD;
+
+ /* Set the rounding mode if changed. */
+ if (__glibc_unlikely (round != 0))
+ {
+ ctx->updated_status = true;
+ _FPU_SETCW (fpcr ^ round);
+ }
+}
+
+static __always_inline void
+libc_feresetround_vfp_ctx (struct rm_ctx *ctx)
+{
+ /* Restore the rounding mode if updated. */
+ if (__glibc_unlikely (ctx->updated_status))
+ {
+ fpu_control_t fpcr;
+
+ _FPU_GETCW (fpcr);
+ fpcr = (fpcr & ~FE_DOWNWARD) | (ctx->env.__fpcr & FE_DOWNWARD);
+ _FPU_SETCW (fpcr);
+ }
+}
+
+static __always_inline void
+libc_fesetenv_vfp_ctx (struct rm_ctx *ctx)
+{
+ fpu_control_t fpcr, new_fpcr;
+
+ _FPU_GETCW (fpcr);
+ new_fpcr = ctx->env.__fpcr;
+
+ /* Write new FPSCR if different (ignoring NZCV flags). */
+ if (__glibc_unlikely (((fpcr ^ new_fpcr)) != 0))
+ _FPU_SETCW (new_fpcr);
+}
+
+# define libc_feholdexcept libc_feholdexcept_vfp
+# define libc_feholdexceptf libc_feholdexcept_vfp
+# define libc_feholdexceptl libc_feholdexcept_vfp
+
+# define libc_fesetround libc_fesetround_vfp
+# define libc_fesetroundf libc_fesetround_vfp
+# define libc_fesetroundl libc_fesetround_vfp
+
+# define libc_feresetround libc_feresetround_vfp
+# define libc_feresetroundf libc_feresetround_vfp
+# define libc_feresetroundl libc_feresetround_vfp
+
+# define libc_feresetround_noex libc_fesetenv_vfp
+# define libc_feresetround_noexf libc_fesetenv_vfp
+# define libc_feresetround_noexl libc_fesetenv_vfp
+
+# define libc_feholdexcept_setround libc_feholdexcept_setround_vfp
+# define libc_feholdexcept_setroundf libc_feholdexcept_setround_vfp
+# define libc_feholdexcept_setroundl libc_feholdexcept_setround_vfp
+
+# define libc_feholdsetround libc_feholdsetround_vfp
+# define libc_feholdsetroundf libc_feholdsetround_vfp
+# define libc_feholdsetroundl libc_feholdsetround_vfp
+
+# define libc_fetestexcept libc_fetestexcept_vfp
+# define libc_fetestexceptf libc_fetestexcept_vfp
+# define libc_fetestexceptl libc_fetestexcept_vfp
+
+# define libc_fesetenv libc_fesetenv_vfp
+# define libc_fesetenvf libc_fesetenv_vfp
+# define libc_fesetenvl libc_fesetenv_vfp
+
+# define libc_feupdateenv libc_feupdateenv_vfp
+# define libc_feupdateenvf libc_feupdateenv_vfp
+# define libc_feupdateenvl libc_feupdateenv_vfp
+
+# define libc_feupdateenv_test libc_feupdateenv_test_vfp
+# define libc_feupdateenv_testf libc_feupdateenv_test_vfp
+# define libc_feupdateenv_testl libc_feupdateenv_test_vfp
+
+/* We have support for rounding mode context. */
+# define HAVE_RM_CTX 1
+
+# define libc_feholdsetround_ctx libc_feholdsetround_vfp_ctx
+# define libc_feresetround_ctx libc_feresetround_vfp_ctx
+# define libc_feresetround_noex_ctx libc_fesetenv_vfp_ctx
+
+# define libc_feholdsetroundf_ctx libc_feholdsetround_vfp_ctx
+# define libc_feresetroundf_ctx libc_feresetround_vfp_ctx
+# define libc_feresetround_noexf_ctx libc_fesetenv_vfp_ctx
+
+# define libc_feholdsetroundl_ctx libc_feholdsetround_vfp_ctx
+# define libc_feresetroundl_ctx libc_feresetround_vfp_ctx
+# define libc_feresetround_noexl_ctx libc_fesetenv_vfp_ctx
+
+#endif /* __csky_hard_float__ */
+
+#endif /* FENV_PRIVATE_H */
new file mode 100644
@@ -0,0 +1,1682 @@
+# Begin of automatic generation
+
+# Maximal error of functions:
+Function: "acos":
+float: 1
+ifloat: 1
+
+Function: "acos_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "acos_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "acos_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "acosh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "acosh_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "acosh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "acosh_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "asin":
+float: 1
+ifloat: 1
+
+Function: "asin_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "asin_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "asin_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "asinh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "asinh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "asinh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "asinh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "atan":
+float: 1
+ifloat: 1
+
+Function: "atan2":
+float: 1
+ifloat: 1
+
+Function: "atan2_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "atan2_towardzero":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "atan2_upward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "atan_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "atan_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "atan_upward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "atanh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "atanh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "atanh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "atanh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "cabs":
+double: 1
+idouble: 1
+
+Function: "cabs_downward":
+double: 1
+idouble: 1
+
+Function: "cabs_towardzero":
+double: 1
+idouble: 1
+
+Function: "cabs_upward":
+double: 1
+idouble: 1
+
+Function: Real part of "cacos":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Imaginary part of "cacos":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Real part of "cacos_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Imaginary part of "cacos_downward":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Real part of "cacos_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Imaginary part of "cacos_towardzero":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Real part of "cacos_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Imaginary part of "cacos_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+
+Function: Real part of "cacosh":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Imaginary part of "cacosh":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Real part of "cacosh_downward":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Imaginary part of "cacosh_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Real part of "cacosh_towardzero":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Imaginary part of "cacosh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Real part of "cacosh_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+
+Function: Imaginary part of "cacosh_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "carg":
+float: 1
+ifloat: 1
+
+Function: "carg_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "carg_towardzero":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "carg_upward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Real part of "casin":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "casin":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Real part of "casin_downward":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
+Function: Imaginary part of "casin_downward":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Real part of "casin_towardzero":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
+Function: Imaginary part of "casin_towardzero":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Real part of "casin_upward":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: Imaginary part of "casin_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+
+Function: Real part of "casinh":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Imaginary part of "casinh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "casinh_downward":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Imaginary part of "casinh_downward":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
+Function: Real part of "casinh_towardzero":
+double: 5
+float: 3
+idouble: 5
+ifloat: 3
+
+Function: Imaginary part of "casinh_towardzero":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
+Function: Real part of "casinh_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+
+Function: Imaginary part of "casinh_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Real part of "catan":
+float: 1
+ifloat: 1
+
+Function: Imaginary part of "catan":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "catan_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "catan_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Real part of "catan_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "catan_towardzero":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: Real part of "catan_upward":
+float: 1
+ifloat: 1
+
+Function: Imaginary part of "catan_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: Real part of "catanh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "catanh":
+float: 1
+ifloat: 1
+
+Function: Real part of "catanh_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Imaginary part of "catanh_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Real part of "catanh_towardzero":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: Imaginary part of "catanh_towardzero":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: Real part of "catanh_upward":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+
+Function: Imaginary part of "catanh_upward":
+float: 1
+ifloat: 1
+
+Function: "cbrt":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
+Function: "cbrt_downward":
+double: 4
+float: 1
+idouble: 4
+ifloat: 1
+
+Function: "cbrt_towardzero":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
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+ifloat: 2
+
+Function: "yn":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "yn_downward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "yn_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "yn_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+
+# end of automatic generation
new file mode 100644
@@ -0,0 +1 @@
+CSKY
new file mode 100644
@@ -0,0 +1,35 @@
+/* Configuration for math tests. C-SKY version.
+ Copyright (C) 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/>. */
+
+/* On systems with VFP support, but where glibc is built for
+ soft-float, the libgcc functions used in libc and libm do not
+ support rounding modes, although fesetround succeeds, and do not
+ support exceptions. */
+#ifdef __CSKY_SOFT_FLOAT__
+# 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)
+# define EXCEPTION_TESTS_float 0
+# define EXCEPTION_TESTS_double 0
+# define EXCEPTION_TESTS_long_double 0
+#endif
+
+/* Not all VFP implementations support trapping exceptions. */
+#define EXCEPTION_ENABLE_SUPPORTED(EXCEPT) ((EXCEPT) == 0)
+
+#include_next <math-tests.h>
new file mode 100644
@@ -0,0 +1,7 @@
+#ifndef CSKY_MATH_PRIVATE_H
+#define CSKY_MATH_PRIVATE_H 1
+
+#include "fenv_private.h"
+#include_next <math_private.h>
+
+#endif
new file mode 100644
@@ -0,0 +1,50 @@
+#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
+#define _FP_NANFRAC_D _FP_QNANBIT_D, 0
+#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0
+#define _FP_NANSIGN_S 0
+#define _FP_NANSIGN_D 0
+#define _FP_NANSIGN_Q 0
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
+
+#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