@@ -47,7 +47,7 @@ enum
# define FE_TOWARDZERO (0x0)
FE_TOWARDZERO,
FE_TONEAREST =
-# define FE_TONEAREST (0x1)
+# define FE_TONEAREST (0x1) /* default */
FE_TONEAREST,
FE_UPWARD =
# define FE_UPWARD (0x2)
@@ -58,7 +58,12 @@ enum
};
typedef unsigned int fexcept_t;
-typedef unsigned int fenv_t;
+
+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)
new file mode 100644
@@ -0,0 +1,27 @@
+/* Square root of floating point number.
+ Copyright (C) 2015-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <math_private.h>
+#include <libm-alias-finite.h>
+
+double
+__ieee754_sqrt (double d)
+{
+ return __builtin_sqrt (d);
+}
+libm_alias_finite (__ieee754_sqrt, __sqrt)
new file mode 100644
@@ -0,0 +1,27 @@
+/* Single-precision floating point square root.
+ Copyright (C) 2015-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <math_private.h>
+#include <libm-alias-finite.h>
+
+float
+__ieee754_sqrtf (float s)
+{
+ return __builtin_sqrtf (s);
+}
+libm_alias_finite (__ieee754_sqrtf, __sqrtf)
new file mode 100644
@@ -0,0 +1,36 @@
+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+feclearexcept (int excepts)
+{
+ unsigned int fpsr;
+
+ _FPU_GETS (fpsr);
+
+ /* Clear the relevant bits, FWE is preserved. */
+ fpsr &= ~excepts;
+
+ _FPU_SETS (fpsr);
+
+ return 0;
+}
+libm_hidden_def (feclearexcept)
new file mode 100644
@@ -0,0 +1,37 @@
+/* Store current floating-point environment.
+ Copyright (C) 2018-2020 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
+ <https://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_GETS (fpsr);
+ envp->__fpcr = fpcr;
+ envp->__fpsr = fpsr;
+
+ return 0;
+}
+libm_hidden_def (__fegetenv)
+weak_alias (__fegetenv, fegetenv)
+libm_hidden_weak (fegetenv)
new file mode 100644
@@ -0,0 +1,31 @@
+/* Store current floating-point control modes.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+ unsigned int fpcr;
+
+ _FPU_GETCW (fpcr);
+ *modep = fpcr >> __FPU_RND_SHIFT;
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,32 @@
+/* Return current rounding direction.
+ Copyright (C) 1998-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_private.h>
+
+int
+__fegetround (void)
+{
+ unsigned int fpcr;
+ _FPU_GETCW (fpcr);
+
+ return fpcr >> __FPU_RND_SHIFT;
+}
+libm_hidden_def (__fegetround)
+weak_alias (__fegetround, fegetround)
+libm_hidden_weak (fegetround)
new file mode 100644
@@ -0,0 +1,43 @@
+/* Store current floating-point environment and clear exceptions.
+ Copyright (C) 2000-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_private.h>
+
+int
+__feholdexcept (fenv_t *envp)
+{
+ unsigned int fpcr;
+ unsigned int fpsr;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETS (fpsr);
+
+ envp->__fpcr = fpcr;
+ envp->__fpsr = fpsr;
+
+ fpsr &= ~FE_ALL_EXCEPT;
+
+ _FPU_SETCW (fpcr);
+ _FPU_SETS (fpsr);
+
+ return 0;
+}
+libm_hidden_def (__feholdexcept)
+weak_alias (__feholdexcept, feholdexcept)
+libm_hidden_weak (feholdexcept)
new file mode 100644
@@ -0,0 +1,48 @@
+/* Install given floating-point environment (doesnot raise exceptions).
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fesetenv (const fenv_t *envp)
+{
+ unsigned int fpcr;
+ unsigned int fpsr;
+
+ if (envp == FE_DFL_ENV)
+ {
+ fpcr = _FPU_DEFAULT;
+ fpsr = _FPU_FPSR_DEFAULT;
+ }
+ else
+ {
+ /* No need to mask out reserved bits as they are IoW. */
+ fpcr = envp->__fpcr;
+ fpsr = envp->__fpsr;
+ }
+
+ _FPU_SETCW (fpcr);
+ _FPU_SETS (fpsr);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__fesetenv)
+weak_alias (__fesetenv, fesetenv)
+libm_hidden_weak (fesetenv)
new file mode 100644
@@ -0,0 +1,32 @@
+/* Set given exception flags.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexcept (int excepts)
+{
+ unsigned int fpsr;
+
+ _FPU_GETS (fpsr);
+ fpsr |= excepts;
+ _FPU_SETS (fpsr);
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,41 @@
+/* Install given floating-point control modes.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetmode (const femode_t *modep)
+{
+ unsigned int fpcr;
+
+
+ if (modep == FE_DFL_MODE)
+ {
+ fpcr = _FPU_DEFAULT;
+ }
+ else
+ {
+ _FPU_GETCW (fpcr);
+ fpcr = (fpcr & ~(FE_DOWNWARD << __FPU_RND_SHIFT)) | (*modep << __FPU_RND_SHIFT);
+ }
+
+ _FPU_SETCW (fpcr);
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,39 @@
+/* Set current rounding direction.
+ Copyright (C) 1998-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_private.h>
+
+int
+__fesetround (int round)
+{
+ unsigned int fpcr;
+
+ _FPU_GETCW (fpcr);
+
+ if (__glibc_unlikely (((fpcr >> __FPU_RND_SHIFT) & FE_DOWNWARD) != round))
+ {
+ fpcr = (fpcr & ~(FE_DOWNWARD << __FPU_RND_SHIFT)) | (round << __FPU_RND_SHIFT);
+ _FPU_SETCW (fpcr);
+ }
+
+ return 0;
+}
+libm_hidden_def (__fesetround)
+weak_alias (__fesetround, fesetround)
+libm_hidden_weak (fesetround)
new file mode 100644
@@ -0,0 +1,46 @@
+/* Install given floating-point environment and raise exceptions,
+ without clearing currently raised exceptions.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__feupdateenv (const fenv_t *envp)
+{
+ unsigned int fpcr;
+ unsigned int fpsr;
+
+ _FPU_GETCW (fpcr);
+ _FPU_GETS (fpsr);
+
+ /* rounding mode set to what is in env. */
+ fpcr = envp->__fpcr;
+
+ /* currently raised exceptions are OR'ed with env. */
+ fpsr |= envp->__fpsr;
+
+ _FPU_SETCW (fpcr);
+ _FPU_SETS (fpsr);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__feupdateenv)
+weak_alias (__feupdateenv, feupdateenv)
+libm_hidden_weak (feupdateenv)
new file mode 100644
@@ -0,0 +1,31 @@
+/* Store current representation for exceptions, ARC version.
+ Copyright (C) 1998-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_private.h>
+
+int
+fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+ unsigned int fpsr;
+
+ _FPU_GETS (fpsr);
+ *flagp = fpsr & excepts;
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,39 @@
+/* Raise given exceptions.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <float.h>
+#include <math.h>
+
+int
+__feraiseexcept (int excepts)
+{
+ unsigned int fpsr;
+
+ /* currently raised exceptions are not cleared. */
+ _FPU_GETS (fpsr);
+ fpsr |= excepts;
+
+ _FPU_SETS (fpsr);
+
+ return 0;
+}
+libm_hidden_def (__feraiseexcept)
+weak_alias (__feraiseexcept, feraiseexcept)
+libm_hidden_weak (feraiseexcept)
new file mode 100644
@@ -0,0 +1,38 @@
+/* Set floating-point environment exception handling, ARC version.
+ Copyright (C) 1998-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+ unsigned int fpsr;
+
+ _FPU_GETS (fpsr);
+
+ /* Clear the bits first. */
+ fpsr &= ~excepts;
+
+ /* Now set those bits, copying them over from @flagp. */
+ fpsr |= *flagp & excepts;
+
+ _FPU_SETS (fpsr);
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,33 @@
+/* Test exception in current environment.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <fenv_private.h>
+#include <stdio.h>
+
+int
+fetestexcept (int excepts)
+{
+ unsigned int fpsr;
+
+ _FPU_GETS (fpsr);
+
+ return fpsr & excepts;
+}
+libm_hidden_def (fetestexcept)
new file mode 100644
@@ -0,0 +1,1703 @@
+# Begin of automatic generation
+
+# Maximal error of functions:
+Function: "acos":
+double: 1
+float: 1
+idouble: 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: 3
+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: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "asin":
+double: 1
+float: 1
+idouble: 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: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+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":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "atan2":
+double: 7
+float: 2
+idouble: 7
+ifloat: 2
+
+Function: "atan2_downward":
+double: 5
+float: 2
+idouble: 5
+ifloat: 2
+
+Function: "atan2_towardzero":
+double: 5
+float: 2
+idouble: 5
+ifloat: 2
+
+Function: "atan2_upward":
+double: 8
+float: 2
+idouble: 8
+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: 2
+float: 2
+idouble: 2
+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
+float: 1
+idouble: 1
+
+Function: "cabs_downward":
+double: 1
+idouble: 1
+
+Function: "cabs_towardzero":
+double: 1
+idouble: 1
+
+Function: "cabs_upward":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: Real part of "cacos":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Imaginary part of "cacos":
+double: 5
+float: 3
+idouble: 5
+ifloat: 4
+
+Function: Real part of "cacos_downward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
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+Function: Imaginary part of "ccosh_towardzero":
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+Function: Real part of "cexp_downward":
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+Function: Imaginary part of "cexp_downward":
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+Function: Imaginary part of "cexp_towardzero":
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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: Real part of "clog_towardzero":
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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: "cosh_downward":
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+Function: "cosh_towardzero":
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+Function: Real part of "cpow_downward":
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+Function: Imaginary part of "cpow_downward":
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+Function: Imaginary part of "cpow_towardzero":
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+Function: Imaginary part of "cpow_upward":
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+Function: Real part of "csin_downward":
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+Function: Imaginary part of "csin_downward":
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+Function: Real part of "csin_towardzero":
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+Function: Imaginary part of "csin_towardzero":
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+Function: Imaginary part of "csin_upward":
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+Function: Imaginary part of "csqrt_towardzero":
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+Function: "exp10_towardzero":
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+Function: "exp10_upward":
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+Function: "exp2_upward":
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+Function: "hypot_upward":
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+double: 9
+float: 8
+idouble: 9
+ifloat: 8
+
+Function: "jn_downward":
+double: 7
+float: 9
+idouble: 7
+ifloat: 9
+
+Function: "jn_towardzero":
+double: 7
+float: 9
+idouble: 7
+ifloat: 9
+
+Function: "jn_upward":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+Function: "lgamma":
+double: 7
+float: 6
+idouble: 7
+ifloat: 6
+
+Function: "lgamma_downward":
+double: 6
+float: 5
+idouble: 6
+ifloat: 5
+
+Function: "lgamma_towardzero":
+double: 7
+float: 6
+idouble: 7
+ifloat: 6
+
+Function: "lgamma_upward":
+double: 7
+float: 6
+idouble: 7
+ifloat: 6
+
+Function: "log":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log10":
+double: 2
+float: 3
+idouble: 2
+ifloat: 3
+
+Function: "log10_downward":
+double: 2
+float: 3
+idouble: 2
+ifloat: 3
+
+Function: "log10_towardzero":
+double: 2
+float: 4
+idouble: 2
+ifloat: 4
+
+Function: "log10_upward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+
+Function: "log1p":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log1p_downward":
+double: 1
+float: 2
+idouble: 1
+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_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log2_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "pow":
+double: 1
+float: 1
+idouble: 1
+ifloat: 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: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "sin":
+double: 7
+float: 1
+idouble: 7
+ifloat: 1
+
+Function: "sin_downward":
+double: 4
+float: 1
+idouble: 4
+ifloat: 1
+
+Function: "sin_towardzero":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+
+Function: "sin_upward":
+double: 7
+float: 1
+idouble: 7
+ifloat: 1
+
+Function: "sincos":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sincos_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sincos_towardzero":
+double: 4
+float: 1
+idouble: 4
+ifloat: 1
+
+Function: "sincos_upward":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "sinh":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+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":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "tan_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "tan_towardzero":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "tan_upward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "tanh":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "tanh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "tanh_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "tanh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+
+Function: "tgamma":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+Function: "tgamma_downward":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+Function: "tgamma_towardzero":
+double: 9
+float: 8
+idouble: 9
+ifloat: 8
+
+Function: "tgamma_upward":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+Function: "y0":
+double: 3
+float: 6
+idouble: 3
+ifloat: 6
+
+Function: "y0_downward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+
+Function: "y0_towardzero":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+
+Function: "y0_upward":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+
+Function: "y1":
+double: 7
+float: 6
+idouble: 7
+ifloat: 6
+
+Function: "y1_downward":
+double: 6
+float: 6
+idouble: 6
+ifloat: 6
+
+Function: "y1_towardzero":
+double: 7
+float: 7
+idouble: 7
+ifloat: 7
+
+Function: "y1_upward":
+double: 7
+float: 7
+idouble: 7
+ifloat: 7
+
+Function: "yn":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+Function: "yn_downward":
+double: 8
+float: 8
+idouble: 8
+ifloat: 8
+
+Function: "yn_towardzero":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+Function: "yn_upward":
+double: 9
+float: 9
+idouble: 9
+ifloat: 9
+
+# end of automatic generation
new file mode 100644
@@ -0,0 +1 @@
+ARC
new file mode 100644
@@ -0,0 +1,28 @@
+/* Copyright (C) 1996-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <math.h>
+#include <libm-alias-double.h>
+
+double
+__fma (double x, double y, double z)
+{
+ return __builtin_fma (x, y, z);
+}
+
+libm_alias_double (__fma, fma)
new file mode 100644
@@ -0,0 +1,28 @@
+/* Copyright (C) 2011-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#include <math.h>
+#include <libm-alias-float.h>
+
+float
+__fmaf (float x, float y, float z)
+{
+ return __builtin_fmaf (x, y, z);
+}
+
+libm_alias_float (__fma, fma)
new file mode 100644
@@ -0,0 +1,101 @@
+/* FPU control word bits. ARC version.
+ Copyright (C) 2018-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _FPU_CONTROL_H
+#define _FPU_CONTROL_H
+
+/* ARC FPU control register bits.
+
+ [ 0] -> IVE: Enable invalid operation exception.
+ if 0, soft exception: status register IV flag set.
+ if 1, hardware exception trap (not supported in Linux yet).
+ [ 1] -> DZE: Enable division by zero exception.
+ if 0, soft exception: status register IV flag set.
+ if 1, hardware exception: (not supported in Linux yet).
+ [9:8] -> RM: Rounding Mode:
+ 00 - Rounding toward zero.
+ 01 - Rounding to nearest (default).
+ 10 - Rounding (up) toward plus infinity.
+ 11 - Rounding (down)toward minus infinity.
+
+ ARC FPU status register bits.
+
+ [ 0] -> IV: flag invalid operation.
+ [ 1] -> DZ: flag division by zero.
+ [ 2] -> OV: flag Overflow operation.
+ [ 3] -> UV: flag Underflow operation.
+ [ 4] -> IX: flag Inexact operation.
+ [31] -> FWE: Flag Write Enable.
+ If 1, above flags writable explicitly (clearing),
+ else IoW and only writable indirectly via bits [12:7]. */
+
+#include <features.h>
+
+#if !defined(__ARC_FPU_SP__) && !defined(__ARC_FPU_DP__)
+
+# define _FPU_RESERVED 0xffffffff
+# define _FPU_DEFAULT 0x00000000
+typedef unsigned int fpu_control_t;
+# define _FPU_GETCW(cw) (cw) = 0
+# define _FPU_SETCW(cw) (void) (cw)
+# define _FPU_GETS(cw) (cw) = 0
+# define _FPU_SETS(cw) (void) (cw)
+extern fpu_control_t __fpu_control;
+
+#else
+
+#define _FPU_RESERVED 0
+
+/* The fdlibm code requires strict IEEE double precision arithmetic,
+ and no interrupts for exceptions, rounding to nearest.
+ So only RM set to b'01. */
+# define _FPU_DEFAULT 0x00000100
+
+/* Actually default needs to have FWE bit as 1 but that is already
+ ingrained into _FPU_SETS macro below. */
+#define _FPU_FPSR_DEFAULT 0x00000000
+
+#define __FPU_RND_SHIFT 8
+
+/* Type of the control word. */
+typedef unsigned int fpu_control_t;
+
+/* Macros for accessing the hardware control word. */
+# define _FPU_GETCW(cw) __asm__ volatile ("lr %0, [0x300]" : "=r" (cw))
+# define _FPU_SETCW(cw) __asm__ volatile ("sr %0, [0x300]" : : "r" (cw))
+
+/* Macros for accessing the hardware status word.
+ FWE bit is special as it controls if actual status bits could be wrritten
+ explicitly (other than FPU instructions). We handle it here to keep the
+ callers agnostic of it:
+ - clear it out when reporting status bits
+ - always set it when changing status bits. */
+# define _FPU_GETS(cw) __asm__ volatile ("lr %0, [0x301] \r\n" \
+ "bclr %0, %0, 31 \r\n" \
+ : "=r" (cw))
+
+# define _FPU_SETS(cw) __asm__ volatile ("bset %0, %0, 31 \r\n" \
+ "sr %0, [0x301] \r\n" \
+ : : "r" (cw))
+
+/* Default control word set at startup. */
+extern fpu_control_t __fpu_control;
+
+#endif
+
+#endif /* fpu_control.h */
new file mode 100644
@@ -0,0 +1,38 @@
+/* Determine floating-point rounding mode within libc. ARC version.
+ Copyright (C) 1998-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _ARC_GET_ROUNDING_MODE_H
+#define _ARC_GET_ROUNDING_MODE_H 1
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+static inline int
+get_rounding_mode (void)
+{
+#if defined(__ARC_FPU_SP__) || defined(__ARC_FPU_DP__)
+ unsigned int fpcr;
+ _FPU_GETCW (fpcr);
+
+ return fpcr >> __FPU_RND_SHIFT;
+#else
+ return FE_TONEAREST;
+#endif
+}
+
+#endif /* get-rounding-mode.h */
new file mode 100644
@@ -0,0 +1,27 @@
+/* Configuration for math tests: support for enabling exception traps.
+ ARC version.
+ Copyright (C) 2014-2020 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
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef ARC_MATH_TESTS_TRAP_H
+#define ARC_MATH_TESTS_TRAP_H 1
+
+/* Trapping exceptions are optional on ARC
+ and not supported in Linux kernel just yet. */
+#define EXCEPTION_ENABLE_SUPPORTED(EXCEPT) ((EXCEPT) == 0)
+
+#endif /* math-tests-trap.h. */
new file mode 100644
@@ -0,0 +1 @@
+#define TININESS_AFTER_ROUNDING 1