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-rw-r--r--sysdeps/csky/fpu/fclrexcpt.c42
-rw-r--r--sysdeps/csky/fpu/fedisblxcpt.c41
-rw-r--r--sysdeps/csky/fpu/feenablxcpt.c40
-rw-r--r--sysdeps/csky/fpu/fegetenv.c37
-rw-r--r--sysdeps/csky/fpu/fegetexcept.c32
-rw-r--r--sysdeps/csky/fpu/fegetmode.c28
-rw-r--r--sysdeps/csky/fpu/fegetround.c34
-rw-r--r--sysdeps/csky/fpu/feholdexcpt.c34
-rw-r--r--sysdeps/csky/fpu/fenv_libc.h30
-rw-r--r--sysdeps/csky/fpu/fenv_private.h280
-rw-r--r--sysdeps/csky/fpu/fesetenv.c59
-rw-r--r--sysdeps/csky/fpu/fesetexcept.c33
-rw-r--r--sysdeps/csky/fpu/fesetmode.c33
-rw-r--r--sysdeps/csky/fpu/fesetround.c32
-rw-r--r--sysdeps/csky/fpu/feupdateenv.c46
-rw-r--r--sysdeps/csky/fpu/fgetexcptflg.c32
-rw-r--r--sysdeps/csky/fpu/fix-fp-int-convert-overflow.h33
-rw-r--r--sysdeps/csky/fpu/fraiseexcpt.c126
-rw-r--r--sysdeps/csky/fpu/fsetexcptflg.c43
-rw-r--r--sysdeps/csky/fpu/ftestexcept.c30
-rw-r--r--sysdeps/csky/fpu/libm-test-ulps1640
-rw-r--r--sysdeps/csky/fpu/libm-test-ulps-name1
22 files changed, 2706 insertions, 0 deletions
diff --git a/sysdeps/csky/fpu/fclrexcpt.c b/sysdeps/csky/fpu/fclrexcpt.c
new file mode 100644
index 0000000000..de3326b2e5
--- /dev/null
+++ b/sysdeps/csky/fpu/fclrexcpt.c
@@ -0,0 +1,42 @@
+/* Clear given exceptions in current floating-point environment.
+ 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/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+feclearexcept (int excepts)
+{
+ int fpsr;
+
+ /* Mask out unsupported bits/exceptions. */
+ excepts &= FE_ALL_EXCEPT;
+
+ /* Read the complete control word. */
+ _FPU_GETFPSR (fpsr);
+
+ /* Clear the relevant bits. */
+ fpsr &= ~(excepts | (excepts << CAUSE_SHIFT));
+
+ /* Put the new data in effect. */
+ _FPU_SETFPSR (fpsr);
+
+ return 0;
+}
+libm_hidden_def (feclearexcept)
diff --git a/sysdeps/csky/fpu/fedisblxcpt.c b/sysdeps/csky/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..6b51611477
--- /dev/null
+++ b/sysdeps/csky/fpu/fedisblxcpt.c
@@ -0,0 +1,41 @@
+/* Disable floating-point exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+fedisableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (new_exc);
+
+ old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
+
+ /* Get the except disable mask. */
+ excepts &= FE_ALL_EXCEPT;
+ new_exc &= ~(excepts << ENABLE_SHIFT);
+
+ /* Put the new data in effect. */
+ _FPU_SETCW (new_exc);
+
+ return old_exc;
+}
diff --git a/sysdeps/csky/fpu/feenablxcpt.c b/sysdeps/csky/fpu/feenablxcpt.c
new file mode 100644
index 0000000000..feafdb6d94
--- /dev/null
+++ b/sysdeps/csky/fpu/feenablxcpt.c
@@ -0,0 +1,40 @@
+/* Enable floating-point exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+feenableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (new_exc);
+
+ old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc |= excepts << ENABLE_SHIFT;
+
+ _FPU_SETCW (new_exc);
+
+ return old_exc;
+}
diff --git a/sysdeps/csky/fpu/fegetenv.c b/sysdeps/csky/fpu/fegetenv.c
new file mode 100644
index 0000000000..3865839c86
--- /dev/null
+++ b/sysdeps/csky/fpu/fegetenv.c
@@ -0,0 +1,37 @@
+/* Store current floating-point environment.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fegetenv (fenv_t *envp)
+{
+ unsigned int fpcr;
+ unsigned int fpsr;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+ envp->__fpcr = fpcr;
+ envp->__fpsr = fpsr;
+
+ return 0;
+}
+libm_hidden_def (__fegetenv)
+weak_alias (__fegetenv, fegetenv)
+libm_hidden_weak (fegetenv)
diff --git a/sysdeps/csky/fpu/fegetexcept.c b/sysdeps/csky/fpu/fegetexcept.c
new file mode 100644
index 0000000000..e6e46c066f
--- /dev/null
+++ b/sysdeps/csky/fpu/fegetexcept.c
@@ -0,0 +1,32 @@
+/* Get enabled floating-point exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+fegetexcept (void)
+{
+ unsigned int exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (exc);
+
+ return (exc & ENABLE_MASK) >> ENABLE_SHIFT;
+}
diff --git a/sysdeps/csky/fpu/fegetmode.c b/sysdeps/csky/fpu/fegetmode.c
new file mode 100644
index 0000000000..e229f60ec2
--- /dev/null
+++ b/sysdeps/csky/fpu/fegetmode.c
@@ -0,0 +1,28 @@
+/* Store current floating-point control modes.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+ _FPU_GETCW (*modep);
+
+ return 0;
+}
diff --git a/sysdeps/csky/fpu/fegetround.c b/sysdeps/csky/fpu/fegetround.c
new file mode 100644
index 0000000000..40bda2ddac
--- /dev/null
+++ b/sysdeps/csky/fpu/fegetround.c
@@ -0,0 +1,34 @@
+/* Return current rounding direction.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fegetround (void)
+{
+ unsigned int cw;
+
+ /* Get control word. */
+ _FPU_GETCW (cw);
+
+ return cw & __FE_ROUND_MASK;
+}
+libm_hidden_def (__fegetround)
+weak_alias (__fegetround, fegetround)
+libm_hidden_weak (fegetround)
diff --git a/sysdeps/csky/fpu/feholdexcpt.c b/sysdeps/csky/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..e2b1782f1a
--- /dev/null
+++ b/sysdeps/csky/fpu/feholdexcpt.c
@@ -0,0 +1,34 @@
+/* Store current floating-point environment and clear exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+#include <fenv_private.h>
+
+#include <stdio.h>
+
+int
+__feholdexcept (fenv_t *envp)
+{
+ libc_feholdexcept_vfp (envp);
+ return 0;
+}
+libm_hidden_def (__feholdexcept)
+weak_alias (__feholdexcept, feholdexcept)
+libm_hidden_weak (feholdexcept)
diff --git a/sysdeps/csky/fpu/fenv_libc.h b/sysdeps/csky/fpu/fenv_libc.h
new file mode 100644
index 0000000000..7904fdb758
--- /dev/null
+++ b/sysdeps/csky/fpu/fenv_libc.h
@@ -0,0 +1,30 @@
+/* fpu registers environment. 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_LIBC_H
+#define _FENV_LIBC_H 1
+
+/* Mask for enabling exceptions and for the CAUSE bits. */
+#define ENABLE_MASK 0x0003FU
+#define CAUSE_MASK 0x3F000U
+
+/* Shift for FE_* flags to get up to the ENABLE bits and the CAUSE bits. */
+#define ENABLE_SHIFT 0
+#define CAUSE_SHIFT 8
+
+#endif /* fenv_libc.h */
diff --git a/sysdeps/csky/fpu/fenv_private.h b/sysdeps/csky/fpu/fenv_private.h
new file mode 100644
index 0000000000..d086cfcfbb
--- /dev/null
+++ b/sysdeps/csky/fpu/fenv_private.h
@@ -0,0 +1,280 @@
+/* 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 CSKY_FENV_PRIVATE_H
+#define CSKY_FENV_PRIVATE_H 1
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+
+static __always_inline void
+libc_feholdexcept_vfp (fenv_t *envp)
+{
+ fpu_control_t fpsr, 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, 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. */
+ fpsr &= ~(FE_ALL_EXCEPT << CAUSE_SHIFT);
+ _FPU_SETFPSR (fpsr);
+
+ fpcr &= ~(FE_ALL_EXCEPT | FE_DOWNWARD);
+ _FPU_SETCW (fpcr | round);
+}
+
+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)
+{
+ fpu_control_t fpcr, fpsr, new_fpcr, new_fpsr;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+
+ new_fpcr = envp->__fpcr;
+ new_fpsr = envp->__fpsr;
+
+ if (__glibc_unlikely (fpsr ^ new_fpsr) != 0)
+ _FPU_SETFPSR (new_fpsr);
+
+ if (__glibc_unlikely (fpcr ^ new_fpcr) != 0)
+ _FPU_SETCW (new_fpcr);
+}
+
+static __always_inline int
+libc_feupdateenv_test_vfp (const fenv_t *envp, int ex)
+{
+ fpu_control_t fpcr, fpsr, new_fpcr, new_fpsr, excepts;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+
+ /* Merge current exception flags with the saved fenv. */
+ excepts = (fpsr >> CAUSE_SHIFT) & FE_ALL_EXCEPT;
+ new_fpcr = envp->__fpcr;
+ new_fpsr = envp->__fpsr | (excepts << CAUSE_SHIFT);
+
+ /* Write FCR and FESR if different. */
+ if (__glibc_unlikely (fpsr ^ new_fpsr) != 0)
+ _FPU_SETFPSR (new_fpsr);
+
+ if (__glibc_unlikely (fpcr ^ new_fpcr) != 0)
+ _FPU_SETCW (new_fpcr);
+
+ /* Raise the exceptions if enabled in the new FP state. */
+ if (__glibc_unlikely (excepts & new_fpcr))
+ __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, fpsr, round;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+ ctx->updated_status = false;
+ ctx->env.__fpcr = fpcr;
+ ctx->env.__fpsr = fpsr;
+
+ /* 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, fpsr, new_fpcr, new_fpsr;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETFPSR (fpsr);
+
+ new_fpcr = ctx->env.__fpcr;
+ new_fpsr = ctx->env.__fpsr;
+
+ if (__glibc_unlikely (fpsr ^ new_fpsr) != 0)
+ _FPU_SETFPSR (new_fpsr);
+
+ 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
+
+#include_next <fenv_private.h>
+
+#endif /* CSKY_FENV_PRIVATE_H */
diff --git a/sysdeps/csky/fpu/fesetenv.c b/sysdeps/csky/fpu/fesetenv.c
new file mode 100644
index 0000000000..dce6770c16
--- /dev/null
+++ b/sysdeps/csky/fpu/fesetenv.c
@@ -0,0 +1,59 @@
+/* Install given floating-point environment.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fesetenv (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);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__fesetenv)
+weak_alias (__fesetenv, fesetenv)
+libm_hidden_weak (fesetenv)
diff --git a/sysdeps/csky/fpu/fesetexcept.c b/sysdeps/csky/fpu/fesetexcept.c
new file mode 100644
index 0000000000..e7cd302891
--- /dev/null
+++ b/sysdeps/csky/fpu/fesetexcept.c
@@ -0,0 +1,33 @@
+/* Set given exception flags.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+
+int
+fesetexcept (int excepts)
+{
+ fpu_control_t fpsr, new_fpsr;
+ _FPU_GETFPSR (fpsr);
+ new_fpsr = fpsr | ((excepts & FE_ALL_EXCEPT) << CAUSE_SHIFT);
+ if (new_fpsr != fpsr)
+ _FPU_SETFPSR (new_fpsr);
+
+ return 0;
+}
diff --git a/sysdeps/csky/fpu/fesetmode.c b/sysdeps/csky/fpu/fesetmode.c
new file mode 100644
index 0000000000..65977ef011
--- /dev/null
+++ b/sysdeps/csky/fpu/fesetmode.c
@@ -0,0 +1,33 @@
+/* Install given floating-point control modes.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetmode (const femode_t *modep)
+{
+ femode_t mode;
+ if (modep == FE_DFL_MODE)
+ mode = _FPU_DEFAULT;
+ else
+ mode = *modep;
+ _FPU_SETCW (mode);
+
+ return 0;
+}
diff --git a/sysdeps/csky/fpu/fesetround.c b/sysdeps/csky/fpu/fesetround.c
new file mode 100644
index 0000000000..c5c36047cc
--- /dev/null
+++ b/sysdeps/csky/fpu/fesetround.c
@@ -0,0 +1,32 @@
+/* Set current rounding direction.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_private.h>
+
+#include <stdio.h>
+int
+__fesetround (int round)
+{
+ libc_fesetround_vfp (round);
+ return 0;
+}
+libm_hidden_def (__fesetround)
+weak_alias (__fesetround, fesetround)
+libm_hidden_weak (fesetround)
diff --git a/sysdeps/csky/fpu/feupdateenv.c b/sysdeps/csky/fpu/feupdateenv.c
new file mode 100644
index 0000000000..f7aec63562
--- /dev/null
+++ b/sysdeps/csky/fpu/feupdateenv.c
@@ -0,0 +1,46 @@
+/* Install given floating-point environment and raise exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+#include <fenv_private.h>
+#include <stdio.h>
+
+int
+__feupdateenv (const fenv_t *envp)
+{
+ int temp;
+
+ /* Save current exceptions. */
+ _FPU_GETFPSR (temp);
+ temp = (temp >> CAUSE_SHIFT) & FE_ALL_EXCEPT;
+ /* Install new environment. */
+ __fesetenv (envp);
+
+ /* Raise the safed exception. Incidently for us the implementation
+ defined format of the values in objects of type fexcept_t is the
+ same as the ones specified using the FE_* constants. */
+ feraiseexcept (temp);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__feupdateenv)
+weak_alias (__feupdateenv, feupdateenv)
+libm_hidden_weak (feupdateenv)
diff --git a/sysdeps/csky/fpu/fgetexcptflg.c b/sysdeps/csky/fpu/fgetexcptflg.c
new file mode 100644
index 0000000000..38c4df318b
--- /dev/null
+++ b/sysdeps/csky/fpu/fgetexcptflg.c
@@ -0,0 +1,32 @@
+/* Store current representation for exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+#include <fenv_private.h>
+#include <stdio.h>
+
+int
+fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+ *flagp = libc_fetestexcept_vfp (excepts);
+
+ /* Success. */
+ return 0;
+}
diff --git a/sysdeps/csky/fpu/fix-fp-int-convert-overflow.h b/sysdeps/csky/fpu/fix-fp-int-convert-overflow.h
new file mode 100644
index 0000000000..b3bf482c37
--- /dev/null
+++ b/sysdeps/csky/fpu/fix-fp-int-convert-overflow.h
@@ -0,0 +1,33 @@
+/* Fix for conversion of floating point to integer overflow. C-SKY version.
+ Copyright (C) 2015-2018 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 FIX_FP_INT_CONVERT_OVERFLOW_H
+#define FIX_FP_INT_CONVERT_OVERFLOW_H 1
+
+/* Define these macros to 1 to workaround conversions of out-of-range
+ floating-point numbers to integer types failing to raise the
+ "invalid" exception, or raising spurious "inexact" or other
+ exceptions. */
+#define FIX_FLT_LONG_CONVERT_OVERFLOW 1
+#define FIX_FLT_LLONG_CONVERT_OVERFLOW 1
+#define FIX_DBL_LONG_CONVERT_OVERFLOW 1
+#define FIX_DBL_LLONG_CONVERT_OVERFLOW 1
+#define FIX_LDBL_LONG_CONVERT_OVERFLOW 1
+#define FIX_LDBL_LLONG_CONVERT_OVERFLOW 1
+
+#endif /* fix-fp-int-convert-overflow.h */
diff --git a/sysdeps/csky/fpu/fraiseexcpt.c b/sysdeps/csky/fpu/fraiseexcpt.c
new file mode 100644
index 0000000000..3419ac790b
--- /dev/null
+++ b/sysdeps/csky/fpu/fraiseexcpt.c
@@ -0,0 +1,126 @@
+/* Raise given exceptions.
+ 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/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+#include <float.h>
+#include <math.h>
+
+int
+__feraiseexcept (int excepts)
+{
+ /* Raise exceptions represented by EXCEPTS. But we must raise only one
+ signal at a time. It is important that if the overflow/underflow
+ exception and the divide by zero exception are given at the same
+ time, the overflow/underflow exception follows the divide by zero
+ exception. */
+
+# ifndef __csky_fpuv1__
+ /* First: invalid exception. */
+ if (FE_INVALID & excepts)
+ {
+ /* One example of a invalid operation is 0 * Infinity. */
+ float x = HUGE_VALF, y = 0.0f;
+ __asm__ __volatile__ ("fmuls %0, %0, %1" : "+v" (x) : "v" (y));
+ }
+
+ /* Next: division by zero. */
+ if (FE_DIVBYZERO & excepts)
+ {
+ float x = 1.0f, y = 0.0f;
+ __asm__ __volatile__ ("fdivs %0, %0, %1" : "+v" (x) : "v" (y));
+ }
+
+ /* Next: overflow. */
+ if (FE_OVERFLOW & excepts)
+ {
+ float x = FLT_MAX;
+ __asm__ __volatile__ ("fmuls %0, %0, %0" : "+v" (x));
+ }
+ /* Next: underflow. */
+ if (FE_UNDERFLOW & excepts)
+ {
+ float x = -FLT_MIN;
+
+ __asm__ __volatile__ ("fmuls %0, %0, %0" : "+v" (x));
+ }
+
+ /* Last: inexact. */
+ if (FE_INEXACT & excepts)
+ {
+ float x = 1.0f, y = 3.0f;
+ __asm__ __volatile__ ("fdivs %0, %0, %1" : "+v" (x) : "v" (y));
+ }
+
+ if (__FE_DENORMAL & excepts)
+ {
+ double x = 4.9406564584124654e-324;
+ __asm__ __volatile__ ("fstod %0, %0" : "+v" (x));
+ }
+# else
+ int tmp = 0;
+ /* First: invalid exception. */
+ if (FE_INVALID & excepts)
+ {
+ /* One example of a invalid operation is 0 * Infinity. */
+ float x = HUGE_VALF, y = 0.0f;
+ __asm__ __volatile__ ("fmuls %0, %0, %2, %1"
+ : "+f" (x), "+r"(tmp) : "f" (y));
+ }
+
+ /* Next: division by zero. */
+ if (FE_DIVBYZERO & excepts)
+ {
+ float x = 1.0f, y = 0.0f;
+ __asm__ __volatile__ ("fdivs %0, %0, %2, %1"
+ : "+f" (x), "+r"(tmp) : "f" (y));
+ }
+
+ /* Next: overflow. */
+ if (FE_OVERFLOW & excepts)
+ {
+ float x = FLT_MAX, y = FLT_MAX;
+ __asm__ __volatile__ ("fmuls %0, %0, %2, %1"
+ : "+f" (x), "+r"(tmp) : "f" (y));
+ }
+
+ /* Next: underflow. */
+ if (FE_UNDERFLOW & excepts)
+ {
+ float x = -FLT_MIN, y = -FLT_MIN;
+
+ __asm__ __volatile__ ("fmuls %0, %0, %2, %1"
+ : "+f" (x), "+r"(tmp) : "f" (y));
+ }
+
+ /* Last: inexact. */
+ if (FE_INEXACT & excepts)
+ {
+ float x = 1.0f, y = 3.0f;
+ __asm__ __volatile__ ("fdivs %0, %0, %2, %1"
+ : "+f" (x), "+r"(tmp) : "f" (y));
+ }
+# endif /* __csky_fpuv2__ */
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__feraiseexcept)
+weak_alias (__feraiseexcept, feraiseexcept)
+libm_hidden_weak (feraiseexcept)
diff --git a/sysdeps/csky/fpu/fsetexcptflg.c b/sysdeps/csky/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..ca9202dc16
--- /dev/null
+++ b/sysdeps/csky/fpu/fsetexcptflg.c
@@ -0,0 +1,43 @@
+/* Set floating-point environment exception handling.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+ fpu_control_t temp;
+
+ /* Get the current exceptions. */
+ _FPU_GETFPSR (temp);
+
+ /* Make sure the flags we want restored are legal. */
+ excepts &= FE_ALL_EXCEPT;
+
+ /* Now clear the bits called for, and copy them in from flagp. Note that
+ we ignore all non-flag bits from *flagp, so they don't matter. */
+ temp = ((temp >> CAUSE_SHIFT) & ~excepts) | (*flagp & excepts);
+ temp = temp << CAUSE_SHIFT;
+
+ _FPU_SETFPSR (temp);
+
+ /* Success. */
+ return 0;
+}
diff --git a/sysdeps/csky/fpu/ftestexcept.c b/sysdeps/csky/fpu/ftestexcept.c
new file mode 100644
index 0000000000..fee7544a66
--- /dev/null
+++ b/sysdeps/csky/fpu/ftestexcept.c
@@ -0,0 +1,30 @@
+/* Test exception in current environment.
+ 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/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_libc.h>
+#include <fenv_private.h>
+#include <stdio.h>
+
+int
+fetestexcept (int excepts)
+{
+ return libc_fetestexcept_vfp (excepts);
+}
+libm_hidden_def (fetestexcept)
diff --git a/sysdeps/csky/fpu/libm-test-ulps b/sysdeps/csky/fpu/libm-test-ulps
new file mode 100644
index 0000000000..508f4693bc
--- /dev/null
+++ b/sysdeps/csky/fpu/libm-test-ulps
@@ -0,0 +1,1640 @@
+# 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
+
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+Function: Imaginary part of "cexp_upward":
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+Function: Imaginary part of "clog10_downward":
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+Function: Real part of "clog10_towardzero":
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+Function: Imaginary part of "clog10_towardzero":
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+Function: Real part of "clog10_upward":
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+Function: Imaginary part of "clog10_upward":
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+Function: Real part of "clog_downward":
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+Function: Imaginary part of "clog_downward":
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+Function: Imaginary part of "clog_towardzero":
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+Function: Real part of "clog_upward":
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+Function: Imaginary part of "clog_upward":
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+Function: Imaginary part of "cpow_downward":
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+double: 5
+float: 5
+idouble: 5
+ifloat: 5
+
+Function: "jn_upward":
+double: 5
+float: 5
+idouble: 5
+ifloat: 5
+
+Function: "lgamma":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+
+Function: "lgamma_downward":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+
+Function: "lgamma_towardzero":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+
+Function: "lgamma_upward":
+double: 5
+float: 5
+idouble: 5
+ifloat: 5
+
+Function: "log10":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "log10_downward":
+double: 2
+float: 3
+idouble: 2
+ifloat: 3
+
+Function: "log10_towardzero":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "log10_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "log1p":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log1p_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "log1p_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "log1p_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "log2":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "log2_downward":
+double: 3
+idouble: 3
+
+Function: "log2_towardzero":
+double: 2
+idouble: 2
+
+Function: "log2_upward":
+double: 3
+idouble: 3
+
+Function: "pow":
+double: 1
+idouble: 1
+
+Function: "pow_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "pow_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "pow_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sin":
+double: 1
+idouble: 1
+
+Function: "sin_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sin_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sin_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sincos":
+double: 1
+idouble: 1
+
+Function: "sincos_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sincos_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sincos_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sinh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "sinh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "sinh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "sinh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "tan":
+float: 1
+ifloat: 1
+
+Function: "tan_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "tan_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "tan_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "tanh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "tanh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "tanh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "tanh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "tgamma":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+
+Function: "tgamma_downward":
+double: 5
+float: 5
+idouble: 5
+ifloat: 5
+
+Function: "tgamma_towardzero":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+
+Function: "tgamma_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+
+Function: "y0":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "y0_downward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+
+Function: "y0_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "y0_upward":
+double: 3
+float: 5
+idouble: 3
+ifloat: 5
+
+Function: "y1":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "y1_downward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "y1_towardzero":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "y1_upward":
+double: 7
+float: 2
+idouble: 7
+ifloat: 2
+
+Function: "yn":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "yn_downward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+
+Function: "yn_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "yn_upward":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+
+# end of automatic generation
diff --git a/sysdeps/csky/fpu/libm-test-ulps-name b/sysdeps/csky/fpu/libm-test-ulps-name
new file mode 100644
index 0000000000..236b0fb7be
--- /dev/null
+++ b/sysdeps/csky/fpu/libm-test-ulps-name
@@ -0,0 +1 @@
+CSKY
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