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Fri, 13 Mar 2020 03:04:30 +0000 (UTC) From: Vineet Gupta To: libc-alpha@sourceware.org Subject: [PATCH v4 07/15] ARC: hardware floating point support Date: Thu, 12 Mar 2020 20:04:11 -0700 Message-Id: <20200313030419.15843-8-vgupta@synopsys.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200313030419.15843-1-vgupta@synopsys.com> References: <20200313030419.15843-1-vgupta@synopsys.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200312_200432_276610_10A2A043 X-CRM114-Status: GOOD ( 16.47 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vineet Gupta , linux-snps-arc@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org Signed-off-by: Vineet Gupta --- sysdeps/arc/bits/fenv.h | 9 +- sysdeps/arc/fpu/e_sqrt.c | 27 + sysdeps/arc/fpu/e_sqrtf.c | 27 + sysdeps/arc/fpu/fclrexcpt.c | 36 + sysdeps/arc/fpu/fegetenv.c | 37 + sysdeps/arc/fpu/fegetmode.c | 31 + sysdeps/arc/fpu/fegetround.c | 32 + sysdeps/arc/fpu/feholdexcpt.c | 43 + sysdeps/arc/fpu/fesetenv.c | 48 + sysdeps/arc/fpu/fesetexcept.c | 32 + sysdeps/arc/fpu/fesetmode.c | 41 + sysdeps/arc/fpu/fesetround.c | 39 + sysdeps/arc/fpu/feupdateenv.c | 46 + sysdeps/arc/fpu/fgetexcptflg.c | 31 + sysdeps/arc/fpu/fraiseexcpt.c | 39 + sysdeps/arc/fpu/fsetexcptflg.c | 38 + sysdeps/arc/fpu/ftestexcept.c | 33 + sysdeps/arc/fpu/libm-test-ulps | 1703 +++++++++++++++++++++++++++ sysdeps/arc/fpu/libm-test-ulps-name | 1 + sysdeps/arc/fpu/s_fma.c | 28 + sysdeps/arc/fpu/s_fmaf.c | 28 + sysdeps/arc/fpu_control.h | 101 ++ sysdeps/arc/get-rounding-mode.h | 38 + sysdeps/arc/math-tests-trap.h | 27 + sysdeps/arc/tininess.h | 1 + 25 files changed, 2514 insertions(+), 2 deletions(-) create mode 100644 sysdeps/arc/fpu/e_sqrt.c create mode 100644 sysdeps/arc/fpu/e_sqrtf.c create mode 100644 sysdeps/arc/fpu/fclrexcpt.c create mode 100644 sysdeps/arc/fpu/fegetenv.c create mode 100644 sysdeps/arc/fpu/fegetmode.c create mode 100644 sysdeps/arc/fpu/fegetround.c create mode 100644 sysdeps/arc/fpu/feholdexcpt.c create mode 100644 sysdeps/arc/fpu/fesetenv.c create mode 100644 sysdeps/arc/fpu/fesetexcept.c create mode 100644 sysdeps/arc/fpu/fesetmode.c create mode 100644 sysdeps/arc/fpu/fesetround.c create mode 100644 sysdeps/arc/fpu/feupdateenv.c create mode 100644 sysdeps/arc/fpu/fgetexcptflg.c create mode 100644 sysdeps/arc/fpu/fraiseexcpt.c create mode 100644 sysdeps/arc/fpu/fsetexcptflg.c create mode 100644 sysdeps/arc/fpu/ftestexcept.c create mode 100644 sysdeps/arc/fpu/libm-test-ulps create mode 100644 sysdeps/arc/fpu/libm-test-ulps-name create mode 100644 sysdeps/arc/fpu/s_fma.c create mode 100644 sysdeps/arc/fpu/s_fmaf.c create mode 100644 sysdeps/arc/fpu_control.h create mode 100644 sysdeps/arc/get-rounding-mode.h create mode 100644 sysdeps/arc/math-tests-trap.h create mode 100644 sysdeps/arc/tininess.h diff --git a/sysdeps/arc/bits/fenv.h b/sysdeps/arc/bits/fenv.h index 547f0103a53d..80afa50db9c6 100644 --- a/sysdeps/arc/bits/fenv.h +++ b/sysdeps/arc/bits/fenv.h @@ -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) diff --git a/sysdeps/arc/fpu/e_sqrt.c b/sysdeps/arc/fpu/e_sqrt.c new file mode 100644 index 000000000000..abb67ef7b061 --- /dev/null +++ b/sysdeps/arc/fpu/e_sqrt.c @@ -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 + . */ + +#include +#include + +double +__ieee754_sqrt (double d) +{ + return __builtin_sqrt (d); +} +libm_alias_finite (__ieee754_sqrt, __sqrt) diff --git a/sysdeps/arc/fpu/e_sqrtf.c b/sysdeps/arc/fpu/e_sqrtf.c new file mode 100644 index 000000000000..13008a4f45d6 --- /dev/null +++ b/sysdeps/arc/fpu/e_sqrtf.c @@ -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 + . */ + +#include +#include + +float +__ieee754_sqrtf (float s) +{ + return __builtin_sqrtf (s); +} +libm_alias_finite (__ieee754_sqrtf, __sqrtf) diff --git a/sysdeps/arc/fpu/fclrexcpt.c b/sysdeps/arc/fpu/fclrexcpt.c new file mode 100644 index 000000000000..549968dcd465 --- /dev/null +++ b/sysdeps/arc/fpu/fclrexcpt.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/fegetenv.c b/sysdeps/arc/fpu/fegetenv.c new file mode 100644 index 000000000000..058652aeb685 --- /dev/null +++ b/sysdeps/arc/fpu/fegetenv.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/fegetmode.c b/sysdeps/arc/fpu/fegetmode.c new file mode 100644 index 000000000000..30d809552fbc --- /dev/null +++ b/sysdeps/arc/fpu/fegetmode.c @@ -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 + . */ + +#include +#include + +int +fegetmode (femode_t *modep) +{ + unsigned int fpcr; + + _FPU_GETCW (fpcr); + *modep = fpcr >> __FPU_RND_SHIFT; + + return 0; +} diff --git a/sysdeps/arc/fpu/fegetround.c b/sysdeps/arc/fpu/fegetround.c new file mode 100644 index 000000000000..ebb3b34e65f3 --- /dev/null +++ b/sysdeps/arc/fpu/fegetround.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/feholdexcpt.c b/sysdeps/arc/fpu/feholdexcpt.c new file mode 100644 index 000000000000..4b849a3cf05b --- /dev/null +++ b/sysdeps/arc/fpu/feholdexcpt.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/fesetenv.c b/sysdeps/arc/fpu/fesetenv.c new file mode 100644 index 000000000000..828b51cf8afa --- /dev/null +++ b/sysdeps/arc/fpu/fesetenv.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/fesetexcept.c b/sysdeps/arc/fpu/fesetexcept.c new file mode 100644 index 000000000000..0a1bcf763bee --- /dev/null +++ b/sysdeps/arc/fpu/fesetexcept.c @@ -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 + . */ + +#include +#include + +int +fesetexcept (int excepts) +{ + unsigned int fpsr; + + _FPU_GETS (fpsr); + fpsr |= excepts; + _FPU_SETS (fpsr); + + return 0; +} diff --git a/sysdeps/arc/fpu/fesetmode.c b/sysdeps/arc/fpu/fesetmode.c new file mode 100644 index 000000000000..473a8d176b6a --- /dev/null +++ b/sysdeps/arc/fpu/fesetmode.c @@ -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 + . */ + +#include +#include + +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; +} diff --git a/sysdeps/arc/fpu/fesetround.c b/sysdeps/arc/fpu/fesetround.c new file mode 100644 index 000000000000..3b4a34b4f6f4 --- /dev/null +++ b/sysdeps/arc/fpu/fesetround.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/feupdateenv.c b/sysdeps/arc/fpu/feupdateenv.c new file mode 100644 index 000000000000..09c0dff79d17 --- /dev/null +++ b/sysdeps/arc/fpu/feupdateenv.c @@ -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 + . */ + +#include +#include + +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) diff --git a/sysdeps/arc/fpu/fgetexcptflg.c b/sysdeps/arc/fpu/fgetexcptflg.c new file mode 100644 index 000000000000..9d1423eaeecb --- /dev/null +++ b/sysdeps/arc/fpu/fgetexcptflg.c @@ -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 + . */ + +#include +#include + +int +fegetexceptflag (fexcept_t *flagp, int excepts) +{ + unsigned int fpsr; + + _FPU_GETS (fpsr); + *flagp = fpsr & excepts; + + return 0; +} diff --git a/sysdeps/arc/fpu/fraiseexcpt.c b/sysdeps/arc/fpu/fraiseexcpt.c new file mode 100644 index 000000000000..9b9d6a951f42 --- /dev/null +++ b/sysdeps/arc/fpu/fraiseexcpt.c @@ -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 + . */ + +#include +#include +#include +#include + +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) diff --git a/sysdeps/arc/fpu/fsetexcptflg.c b/sysdeps/arc/fpu/fsetexcptflg.c new file mode 100644 index 000000000000..b8e495692145 --- /dev/null +++ b/sysdeps/arc/fpu/fsetexcptflg.c @@ -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 + . */ + +#include +#include + +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; +} diff --git a/sysdeps/arc/fpu/ftestexcept.c b/sysdeps/arc/fpu/ftestexcept.c new file mode 100644 index 000000000000..84fd3cf0469c --- /dev/null +++ b/sysdeps/arc/fpu/ftestexcept.c @@ -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 + . */ + +#include +#include +#include +#include + +int +fetestexcept (int excepts) +{ + unsigned int fpsr; + + _FPU_GETS (fpsr); + + return fpsr & excepts; +} +libm_hidden_def (fetestexcept) diff --git a/sysdeps/arc/fpu/libm-test-ulps b/sysdeps/arc/fpu/libm-test-ulps new file mode 100644 index 000000000000..4883d1c8f528 --- /dev/null +++ b/sysdeps/arc/fpu/libm-test-ulps @@ -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 + +Function: Imaginary part of "cacos_downward": +double: 5 +float: 3 +idouble: 5 +ifloat: 3 + +Function: Real part of "cacos_towardzero": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "cacos_towardzero": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Real part of "cacos_upward": +double: 2 +float: 3 +idouble: 2 +ifloat: 3 + +Function: Imaginary part of "cacos_upward": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: Real part of "cacosh": +double: 5 +float: 4 +idouble: 5 +ifloat: 3 + +Function: Imaginary part of "cacosh": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Real part of "cacosh_downward": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "cacosh_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "cacosh_towardzero": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "cacosh_towardzero": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "cacosh_upward": +double: 5 +float: 3 +idouble: 5 +ifloat: 3 + +Function: Imaginary part of "cacosh_upward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: "carg": +double: 7 +float: 2 +idouble: 7 +ifloat: 2 + +Function: "carg_downward": +double: 5 +float: 2 +idouble: 5 +ifloat: 2 + +Function: "carg_towardzero": +double: 5 +float: 2 +idouble: 5 +ifloat: 2 + +Function: "carg_upward": +double: 8 +float: 2 +idouble: 8 +ifloat: 2 + +Function: Real part of "casin": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: Imaginary part of "casin": +double: 5 +float: 4 +idouble: 5 +ifloat: 3 + +Function: Real part of "casin_downward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +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: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Real part of "casin_upward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "casin_upward": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: Real part of "casinh": +double: 5 +float: 4 +idouble: 5 +ifloat: 3 + +Function: Imaginary part of "casinh": +double: 3 +float: 2 +idouble: 3 +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: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "casinh_towardzero": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "casinh_towardzero": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: Real part of "casinh_upward": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: Imaginary part of "casinh_upward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "catan": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: Imaginary part of "catan": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "catan_downward": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Imaginary part of "catan_downward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Real part of "catan_towardzero": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Imaginary part of "catan_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "catan_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Imaginary part of "catan_upward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "catanh": +double: 4 +float: 4 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "catanh": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +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: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "catanh_towardzero": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: Real part of "catanh_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Imaginary part of "catanh_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "cbrt": +double: 4 +float: 1 +idouble: 4 +ifloat: 1 + +Function: "cbrt_downward": +double: 4 +float: 1 +idouble: 4 +ifloat: 1 + +Function: "cbrt_towardzero": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: "cbrt_upward": +double: 5 +float: 1 +idouble: 5 +ifloat: 1 + +Function: Real part of "ccos": +double: 3 +float: 3 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ccos": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "ccos_downward": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: Imaginary part of "ccos_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "ccos_towardzero": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ccos_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "ccos_upward": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "ccos_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Real part of "ccosh": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "ccosh": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "ccosh_downward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ccosh_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "ccosh_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "ccosh_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "ccosh_upward": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: Imaginary part of "ccosh_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Real part of "cexp": +double: 4 +float: 3 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "cexp": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: Real part of "cexp_downward": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "cexp_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "cexp_towardzero": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "cexp_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "cexp_upward": +double: 5 +float: 3 +idouble: 5 +ifloat: 3 + +Function: Imaginary part of "cexp_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Real part of "clog": +double: 5 +float: 4 +idouble: 5 +ifloat: 4 + +Function: Imaginary part of "clog": +double: 7 +float: 2 +idouble: 7 +ifloat: 2 + +Function: Real part of "clog10": +double: 6 +float: 5 +idouble: 6 +ifloat: 5 + +Function: Imaginary part of "clog10": +double: 8 +float: 4 +idouble: 8 +ifloat: 4 + +Function: Real part of "clog10_downward": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: Imaginary part of "clog10_downward": +double: 8 +float: 4 +idouble: 8 +ifloat: 4 + +Function: Real part of "clog10_towardzero": +double: 6 +float: 6 +idouble: 6 +ifloat: 6 + +Function: Imaginary part of "clog10_towardzero": +double: 9 +float: 4 +idouble: 9 +ifloat: 4 + +Function: Real part of "clog10_upward": +double: 6 +float: 6 +idouble: 6 +ifloat: 6 + +Function: Imaginary part of "clog10_upward": +double: 9 +float: 5 +idouble: 9 +ifloat: 5 + +Function: Real part of "clog_downward": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: Imaginary part of "clog_downward": +double: 5 +float: 2 +idouble: 5 +ifloat: 2 + +Function: Real part of "clog_towardzero": +double: 5 +float: 4 +idouble: 5 +ifloat: 4 + +Function: Imaginary part of "clog_towardzero": +double: 5 +float: 3 +idouble: 5 +ifloat: 3 + +Function: Real part of "clog_upward": +double: 5 +float: 4 +idouble: 5 +ifloat: 4 + +Function: Imaginary part of "clog_upward": +double: 8 +float: 2 +idouble: 8 +ifloat: 2 + +Function: "cos": +double: 4 +float: 1 +idouble: 4 +ifloat: 1 + +Function: "cos_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "cos_towardzero": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: "cos_upward": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: "cosh": +double: 3 +float: 3 +idouble: 3 +ifloat: 2 + +Function: "cosh_downward": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: "cosh_towardzero": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: "cosh_upward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "cpow": +double: 9 +float: 8 +idouble: 9 +ifloat: 8 + +Function: Imaginary part of "cpow": +double: 3 +float: 6 +idouble: 3 +ifloat: 6 + +Function: Real part of "cpow_downward": +double: 5 +float: 8 +idouble: 5 +ifloat: 8 + +Function: Imaginary part of "cpow_downward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Real part of "cpow_towardzero": +double: 5 +float: 8 +idouble: 5 +ifloat: 8 + +Function: Imaginary part of "cpow_towardzero": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Real part of "cpow_upward": +double: 5 +float: 8 +idouble: 5 +ifloat: 8 + +Function: Imaginary part of "cpow_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Real part of "csin": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "csin": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "csin_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "csin_downward": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: Real part of "csin_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "csin_towardzero": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: Real part of "csin_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Imaginary part of "csin_upward": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Real part of "csinh": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Imaginary part of "csinh": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "csinh_downward": +double: 3 +float: 1 +idouble: 3 +ifloat: 1 + +Function: Imaginary part of "csinh_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "csinh_towardzero": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "csinh_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 + +Function: Real part of "csinh_upward": +double: 4 +float: 2 +idouble: 4 +ifloat: 2 + +Function: Imaginary part of "csinh_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Real part of "csqrt": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: Imaginary part of "csqrt": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: Real part of "csqrt_downward": +double: 5 +float: 4 +idouble: 5 +ifloat: 4 + +Function: Imaginary part of "csqrt_downward": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: Real part of "csqrt_towardzero": +double: 5 +float: 4 +idouble: 5 +ifloat: 4 + +Function: Imaginary part of "csqrt_towardzero": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Real part of "csqrt_upward": +double: 5 +float: 4 +idouble: 5 +ifloat: 4 + +Function: Imaginary part of "csqrt_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: Real part of "ctan": +double: 4 +float: 6 +idouble: 4 +ifloat: 6 + +Function: Imaginary part of "ctan": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "ctan_downward": +double: 6 +float: 5 +idouble: 6 +ifloat: 5 + +Function: Imaginary part of "ctan_downward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "ctan_towardzero": +double: 5 +float: 6 +idouble: 5 +ifloat: 6 + +Function: Imaginary part of "ctan_towardzero": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Real part of "ctan_upward": +double: 5 +float: 6 +idouble: 5 +ifloat: 6 + +Function: Imaginary part of "ctan_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: Real part of "ctanh": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ctanh": +double: 4 +float: 6 +idouble: 4 +ifloat: 6 + +Function: Real part of "ctanh_downward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ctanh_downward": +double: 6 +float: 5 +idouble: 6 +ifloat: 5 + +Function: Real part of "ctanh_towardzero": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ctanh_towardzero": +double: 5 +float: 6 +idouble: 5 +ifloat: 6 + +Function: Real part of "ctanh_upward": +double: 3 +float: 2 +idouble: 3 +ifloat: 2 + +Function: Imaginary part of "ctanh_upward": +double: 5 +float: 6 +idouble: 5 +ifloat: 6 + +Function: "erf": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "erf_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "erf_towardzero": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: "erf_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "erfc": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: "erfc_downward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: "erfc_towardzero": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: "erfc_upward": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: "exp": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "exp10": +double: 4 +float: 1 +idouble: 4 +ifloat: 1 + +Function: "exp10_downward": +double: 3 +idouble: 3 + +Function: "exp10_towardzero": +double: 3 +idouble: 3 + +Function: "exp10_upward": +double: 4 +float: 1 +idouble: 4 +ifloat: 1 + +Function: "exp2": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "exp2_downward": +double: 1 +idouble: 1 + +Function: "exp2_towardzero": +double: 1 +idouble: 1 + +Function: "exp2_upward": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: "exp_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "exp_towardzero": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "exp_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "expm1": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "expm1_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +Function: "expm1_towardzero": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 + +Function: "expm1_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 + +Function: "gamma": +double: 7 +float: 6 +idouble: 7 +ifloat: 6 + +Function: "gamma_downward": +double: 6 +float: 5 +idouble: 6 +ifloat: 5 + +Function: "gamma_towardzero": +double: 7 +float: 6 +idouble: 7 +ifloat: 6 + +Function: "gamma_upward": +double: 7 +float: 6 +idouble: 7 +ifloat: 6 + +Function: "hypot": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: "hypot_downward": +double: 1 +idouble: 1 + +Function: "hypot_towardzero": +double: 1 +idouble: 1 + +Function: "hypot_upward": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 + +Function: "j0": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 + +Function: "j0_downward": +double: 2 +float: 4 +idouble: 2 +ifloat: 4 + +Function: "j0_towardzero": +double: 3 +float: 5 +idouble: 3 +ifloat: 5 + +Function: "j0_upward": +double: 3 +float: 5 +idouble: 3 +ifloat: 5 + +Function: "j1": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: "j1_downward": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: "j1_towardzero": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 + +Function: "j1_upward": +double: 5 +float: 5 +idouble: 5 +ifloat: 5 + +Function: "jn": +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 diff --git a/sysdeps/arc/fpu/libm-test-ulps-name b/sysdeps/arc/fpu/libm-test-ulps-name new file mode 100644 index 000000000000..8c4fba4f9ae0 --- /dev/null +++ b/sysdeps/arc/fpu/libm-test-ulps-name @@ -0,0 +1 @@ +ARC diff --git a/sysdeps/arc/fpu/s_fma.c b/sysdeps/arc/fpu/s_fma.c new file mode 100644 index 000000000000..48bb40482dc9 --- /dev/null +++ b/sysdeps/arc/fpu/s_fma.c @@ -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 + . */ + +#include +#include + +double +__fma (double x, double y, double z) +{ + return __builtin_fma (x, y, z); +} + +libm_alias_double (__fma, fma) diff --git a/sysdeps/arc/fpu/s_fmaf.c b/sysdeps/arc/fpu/s_fmaf.c new file mode 100644 index 000000000000..544f32e27aec --- /dev/null +++ b/sysdeps/arc/fpu/s_fmaf.c @@ -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 + . */ + +#include +#include + +float +__fmaf (float x, float y, float z) +{ + return __builtin_fmaf (x, y, z); +} + +libm_alias_float (__fma, fma) diff --git a/sysdeps/arc/fpu_control.h b/sysdeps/arc/fpu_control.h new file mode 100644 index 000000000000..c318cc894871 --- /dev/null +++ b/sysdeps/arc/fpu_control.h @@ -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 + . */ + +#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 + +#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 */ diff --git a/sysdeps/arc/get-rounding-mode.h b/sysdeps/arc/get-rounding-mode.h new file mode 100644 index 000000000000..146290e3e0b9 --- /dev/null +++ b/sysdeps/arc/get-rounding-mode.h @@ -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 + . */ + +#ifndef _ARC_GET_ROUNDING_MODE_H +#define _ARC_GET_ROUNDING_MODE_H 1 + +#include +#include + +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 */ diff --git a/sysdeps/arc/math-tests-trap.h b/sysdeps/arc/math-tests-trap.h new file mode 100644 index 000000000000..1a3581396573 --- /dev/null +++ b/sysdeps/arc/math-tests-trap.h @@ -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 + . */ + +#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. */ diff --git a/sysdeps/arc/tininess.h b/sysdeps/arc/tininess.h new file mode 100644 index 000000000000..1db37790f881 --- /dev/null +++ b/sysdeps/arc/tininess.h @@ -0,0 +1 @@ +#define TININESS_AFTER_ROUNDING 1 -- 2.20.1 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc