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Tue, 2 Jun 2020 00:35:49 +0000 (UTC) X-SNPS-Relay: synopsys.com From: Vineet Gupta To: libc-alpha@sourceware.org Subject: [PATCH v2 3/4] aarch/fpu: use generic builtins based math functions Date: Mon, 1 Jun 2020 17:35:40 -0700 Message-Id: <20200602003541.21005-4-vgupta@synopsys.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200602003541.21005-1-vgupta@synopsys.com> References: <20200602003541.21005-1-vgupta@synopsys.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200601_173551_744358_CC1301C1 X-CRM114-Status: GOOD ( 13.57 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [149.117.87.133 listed in wl.mailspike.net] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders 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, Adhemerval Zanella Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org introduce sysdep header math-use-builtins.h to replace aarch64 impementations with corresponding generic ones - newly inroduced generic sqrt{,f}, fma{,f} - existing floor{,f}, nearbyint{,f}, rint{,f}, round{,f}, trunc{,f} - Note that generic copysign was already enabled (via generic math-use-builtins.h) now thru sysdep header This is supposed to be a non functional change Passes build-many for aarch64-linux-gnu Reviewed-by: Adhemerval Zanella --- sysdeps/aarch64/fpu/e_sqrt.c | 27 ---------- sysdeps/aarch64/fpu/e_sqrtf.c | 27 ---------- sysdeps/aarch64/fpu/math-use-builtins.h | 71 +++++++++++++++++++++++++ sysdeps/aarch64/fpu/s_floor.c | 29 ---------- sysdeps/aarch64/fpu/s_floorf.c | 29 ---------- sysdeps/aarch64/fpu/s_fma.c | 28 ---------- sysdeps/aarch64/fpu/s_fmaf.c | 28 ---------- sysdeps/aarch64/fpu/s_nearbyint.c | 28 ---------- sysdeps/aarch64/fpu/s_nearbyintf.c | 28 ---------- sysdeps/aarch64/fpu/s_rint.c | 29 ---------- sysdeps/aarch64/fpu/s_rintf.c | 29 ---------- sysdeps/aarch64/fpu/s_round.c | 29 ---------- sysdeps/aarch64/fpu/s_roundf.c | 29 ---------- sysdeps/aarch64/fpu/s_trunc.c | 29 ---------- sysdeps/aarch64/fpu/s_truncf.c | 29 ---------- 15 files changed, 71 insertions(+), 398 deletions(-) delete mode 100644 sysdeps/aarch64/fpu/e_sqrt.c delete mode 100644 sysdeps/aarch64/fpu/e_sqrtf.c create mode 100644 sysdeps/aarch64/fpu/math-use-builtins.h delete mode 100644 sysdeps/aarch64/fpu/s_floor.c delete mode 100644 sysdeps/aarch64/fpu/s_floorf.c delete mode 100644 sysdeps/aarch64/fpu/s_fma.c delete mode 100644 sysdeps/aarch64/fpu/s_fmaf.c delete mode 100644 sysdeps/aarch64/fpu/s_nearbyint.c delete mode 100644 sysdeps/aarch64/fpu/s_nearbyintf.c delete mode 100644 sysdeps/aarch64/fpu/s_rint.c delete mode 100644 sysdeps/aarch64/fpu/s_rintf.c delete mode 100644 sysdeps/aarch64/fpu/s_round.c delete mode 100644 sysdeps/aarch64/fpu/s_roundf.c delete mode 100644 sysdeps/aarch64/fpu/s_trunc.c delete mode 100644 sysdeps/aarch64/fpu/s_truncf.c diff --git a/sysdeps/aarch64/fpu/e_sqrt.c b/sysdeps/aarch64/fpu/e_sqrt.c deleted file mode 100644 index abb67ef7b061..000000000000 --- a/sysdeps/aarch64/fpu/e_sqrt.c +++ /dev/null @@ -1,27 +0,0 @@ -/* 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/aarch64/fpu/e_sqrtf.c b/sysdeps/aarch64/fpu/e_sqrtf.c deleted file mode 100644 index 13008a4f45d6..000000000000 --- a/sysdeps/aarch64/fpu/e_sqrtf.c +++ /dev/null @@ -1,27 +0,0 @@ -/* 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/aarch64/fpu/math-use-builtins.h b/sysdeps/aarch64/fpu/math-use-builtins.h new file mode 100644 index 000000000000..50a1ba0db5ea --- /dev/null +++ b/sysdeps/aarch64/fpu/math-use-builtins.h @@ -0,0 +1,71 @@ +/* Using math gcc builtins instead of generic implementation. aarch64 version. + Copyright (C) 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 MATH_USE_BUILTINS_H +#define MATH_USE_BUILTINS_H 1 + +#include /* For __GNUC_PREREQ. */ + +/* Define these macros to 1 to use __builtin_xyz instead of the + generic implementation. */ +#define USE_NEARBYINT_BUILTIN 1 +#define USE_NEARBYINTF_BUILTIN 1 +#define USE_NEARBYINTL_BUILTIN 0 +#define USE_NEARBYINTF128_BUILTIN 0 + +#define USE_RINT_BUILTIN 1 +#define USE_RINTF_BUILTIN 1 +#define USE_RINTL_BUILTIN 0 +#define USE_RINTF128_BUILTIN 0 + +#define USE_FLOOR_BUILTIN 1 +#define USE_FLOORF_BUILTIN 1 +#define USE_FLOORL_BUILTIN 0 +#define USE_FLOORF128_BUILTIN 0 + +#define USE_CEIL_BUILTIN 1 +#define USE_CEILF_BUILTIN 1 +#define USE_CEILL_BUILTIN 0 +#define USE_CEILF128_BUILTIN 0 + +#define USE_TRUNC_BUILTIN 1 +#define USE_TRUNCF_BUILTIN 1 +#define USE_TRUNCL_BUILTIN 0 +#define USE_TRUNCF128_BUILTIN 0 + +#define USE_ROUND_BUILTIN 1 +#define USE_ROUNDF_BUILTIN 1 +#define USE_ROUNDL_BUILTIN 0 +#define USE_ROUNDF128_BUILTIN 0 + +#define USE_COPYSIGNL_BUILTIN 1 +#if __GNUC_PREREQ (7, 0) +# define USE_COPYSIGNF128_BUILTIN 1 +#else +# define USE_COPYSIGNF128_BUILTIN 0 +#endif + +#define USE_SQRT_BUILTIN 1 +#define USE_SQRTF_BUILTIN 1 + +#define USE_FMA_BUILTIN 1 +#define USE_FMAF_BUILTIN 1 +#define USE_FMAL_BUILTIN 0 +#define USE_FMAF128_BUILTIN 0 + +#endif diff --git a/sysdeps/aarch64/fpu/s_floor.c b/sysdeps/aarch64/fpu/s_floor.c deleted file mode 100644 index d7d3e9336a6e..000000000000 --- a/sysdeps/aarch64/fpu/s_floor.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -double -__floor (double x) -{ - return __builtin_floor (x); -} - -libm_alias_double (__floor, floor) diff --git a/sysdeps/aarch64/fpu/s_floorf.c b/sysdeps/aarch64/fpu/s_floorf.c deleted file mode 100644 index 625ff4375702..000000000000 --- a/sysdeps/aarch64/fpu/s_floorf.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -float -__floorf (float x) -{ - return __builtin_floorf (x); -} - -libm_alias_float (__floor, floor) diff --git a/sysdeps/aarch64/fpu/s_fma.c b/sysdeps/aarch64/fpu/s_fma.c deleted file mode 100644 index 48bb40482dc9..000000000000 --- a/sysdeps/aarch64/fpu/s_fma.c +++ /dev/null @@ -1,28 +0,0 @@ -/* 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/aarch64/fpu/s_fmaf.c b/sysdeps/aarch64/fpu/s_fmaf.c deleted file mode 100644 index 544f32e27aec..000000000000 --- a/sysdeps/aarch64/fpu/s_fmaf.c +++ /dev/null @@ -1,28 +0,0 @@ -/* 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/aarch64/fpu/s_nearbyint.c b/sysdeps/aarch64/fpu/s_nearbyint.c deleted file mode 100644 index 59a57dd39ba1..000000000000 --- a/sysdeps/aarch64/fpu/s_nearbyint.c +++ /dev/null @@ -1,28 +0,0 @@ -/* 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 - -double -__nearbyint (double x) -{ - return __builtin_nearbyint (x); -} - -libm_alias_double (__nearbyint, nearbyint) diff --git a/sysdeps/aarch64/fpu/s_nearbyintf.c b/sysdeps/aarch64/fpu/s_nearbyintf.c deleted file mode 100644 index f52968ae2bbd..000000000000 --- a/sysdeps/aarch64/fpu/s_nearbyintf.c +++ /dev/null @@ -1,28 +0,0 @@ -/* 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 -__nearbyintf (float x) -{ - return __builtin_nearbyintf (x); -} - -libm_alias_float (__nearbyint, nearbyint) diff --git a/sysdeps/aarch64/fpu/s_rint.c b/sysdeps/aarch64/fpu/s_rint.c deleted file mode 100644 index bdd757167e0c..000000000000 --- a/sysdeps/aarch64/fpu/s_rint.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -double -__rint (double x) -{ - return __builtin_rint (x); -} - -libm_alias_double (__rint, rint) diff --git a/sysdeps/aarch64/fpu/s_rintf.c b/sysdeps/aarch64/fpu/s_rintf.c deleted file mode 100644 index 8cf7c63d6dda..000000000000 --- a/sysdeps/aarch64/fpu/s_rintf.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -float -__rintf (float x) -{ - return __builtin_rintf (x); -} - -libm_alias_float (__rint, rint) diff --git a/sysdeps/aarch64/fpu/s_round.c b/sysdeps/aarch64/fpu/s_round.c deleted file mode 100644 index d2fd5f34117a..000000000000 --- a/sysdeps/aarch64/fpu/s_round.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -double -__round (double x) -{ - return __builtin_round (x); -} - -libm_alias_double (__round, round) diff --git a/sysdeps/aarch64/fpu/s_roundf.c b/sysdeps/aarch64/fpu/s_roundf.c deleted file mode 100644 index e51214e86cd2..000000000000 --- a/sysdeps/aarch64/fpu/s_roundf.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -float -__roundf (float x) -{ - return __builtin_roundf (x); -} - -libm_alias_float (__round, round) diff --git a/sysdeps/aarch64/fpu/s_trunc.c b/sysdeps/aarch64/fpu/s_trunc.c deleted file mode 100644 index bac23a5e269d..000000000000 --- a/sysdeps/aarch64/fpu/s_trunc.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -double -__trunc (double x) -{ - return __builtin_trunc (x); -} - -libm_alias_double (__trunc, trunc) diff --git a/sysdeps/aarch64/fpu/s_truncf.c b/sysdeps/aarch64/fpu/s_truncf.c deleted file mode 100644 index 6a025c084a5a..000000000000 --- a/sysdeps/aarch64/fpu/s_truncf.c +++ /dev/null @@ -1,29 +0,0 @@ -/* 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 - . */ - -#define NO_MATH_REDIRECT -#include -#include - -float -__truncf (float x) -{ - return __builtin_truncf (x); -} - -libm_alias_float (__trunc, trunc)