soft-fp: Update soft-fp from glibc

Message ID	20210707151322.2451471-1-hjl.tools@gmail.com
State	New
Headers	show Return-Path: <gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org> DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7FAD6395542C To: gcc-patches@gcc.gnu.org Subject: [PATCH] soft-fp: Update soft-fp from glibc Date: Wed, 7 Jul 2021 08:13:22 -0700 Message-Id: <20210707151322.2451471-1-hjl.tools@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list From: "H.J. Lu via Gcc-patches" <gcc-patches@gcc.gnu.org> Reply-To: "H.J. Lu" <hjl.tools@gmail.com> Cc: liuhongt <hongtao.liu@intel.com>, Joseph Myers <joseph@codesourcery.com> Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" <gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org>
Series	soft-fp: Update soft-fp from glibc \| expand soft-fp: Update soft-fp from glibc

diff --git a/libgcc/soft-fp/eqhf2.c b/libgcc/soft-fp/eqhf2.c new file mode 100644 index 00000000000..6d6634e5c54 --- /dev/null +++ b/libgcc/soft-fp/eqhf2.c @@ -0,0 +1,49 @@ +/* Software floating-point emulation. + Return 0 iff a == b, 1 otherwise + Copyright (C) 2021 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include "soft-fp.h" +#include "half.h" + +CMPtype +__eqhf2 (HFtype a, HFtype b) +{ + FP_DECL_EX; + FP_DECL_H (A); + FP_DECL_H (B); + CMPtype r; + + FP_INIT_EXCEPTIONS; + FP_UNPACK_RAW_H (A, a); + FP_UNPACK_RAW_H (B, b); + FP_CMP_EQ_H (r, A, B, 1); + FP_HANDLE_EXCEPTIONS; + + return r; +} + +strong_alias (__eqhf2, __nehf2); diff --git a/libgcc/soft-fp/extendhfdf2.c b/libgcc/soft-fp/extendhfdf2.c new file mode 100644 index 00000000000..337ba791d48 --- /dev/null +++ b/libgcc/soft-fp/extendhfdf2.c @@ -0,0 +1,53 @@ +/* Software floating-point emulation. + Return an IEEE half converted to IEEE double + Copyright (C) 2021 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define FP_NO_EXACT_UNDERFLOW +#include "soft-fp.h" +#include "half.h" +#include "double.h" + +DFtype +__extendhfdf2 (HFtype a) +{ + FP_DECL_EX; + FP_DECL_H (A); + FP_DECL_D (R); + DFtype r; + + FP_INIT_EXCEPTIONS; + FP_UNPACK_RAW_H (A, a); +#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D + FP_EXTEND (D, H, 2, 1, R, A); +#else + FP_EXTEND (D, H, 1, 1, R, A); +#endif + FP_PACK_RAW_D (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/libgcc/soft-fp/extendhfsf2.c b/libgcc/soft-fp/extendhfsf2.c new file mode 100644 index 00000000000..a02f46d9a99 --- /dev/null +++ b/libgcc/soft-fp/extendhfsf2.c @@ -0,0 +1,49 @@ +/* Software floating-point emulation. + Return an IEEE half converted to IEEE single + Copyright (C) 2021 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define FP_NO_EXACT_UNDERFLOW +#include "soft-fp.h" +#include "half.h" +#include "single.h" + +SFtype +__extendhfsf2 (HFtype a) +{ + FP_DECL_EX; + FP_DECL_H (A); + FP_DECL_S (R); + SFtype r; + + FP_INIT_EXCEPTIONS; + FP_UNPACK_RAW_H (A, a); + FP_EXTEND (S, H, 1, 1, R, A); + FP_PACK_RAW_S (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/libgcc/soft-fp/half.h b/libgcc/soft-fp/half.h index c7823ac61d3..7af8b68ac5f 100644 --- a/libgcc/soft-fp/half.h +++ b/libgcc/soft-fp/half.h @@ -167,4 +167,6 @@ union _FP_UNION_H #define _FP_FRAC_HIGH_RAW_H(X) _FP_FRAC_HIGH_1 (X) #define _FP_FRAC_HIGH_DW_H(X) _FP_FRAC_HIGH_1 (X) +#define FP_CMP_EQ_H(r, X, Y, ex) _FP_CMP_EQ (H, 1, (r), X, Y, (ex)) + #endif /* !SOFT_FP_HALF_H */ diff --git a/libgcc/soft-fp/truncdfhf2.c b/libgcc/soft-fp/truncdfhf2.c new file mode 100644 index 00000000000..8bcb2787692 --- /dev/null +++ b/libgcc/soft-fp/truncdfhf2.c @@ -0,0 +1,52 @@ +/* Software floating-point emulation. + Truncate IEEE double into IEEE half. + Copyright (C) 2021 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include "soft-fp.h" +#include "half.h" +#include "double.h" + +HFtype +__truncdfhf2 (DFtype a) +{ + FP_DECL_EX; + FP_DECL_D (A); + FP_DECL_H (R); + HFtype r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_D (A, a); +#if _FP_W_TYPE_SIZE < _FP_FRACBITS_D + FP_TRUNC (H, D, 1, 2, R, A); +#else + FP_TRUNC (H, D, 1, 1, R, A); +#endif + FP_PACK_SEMIRAW_H (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +} diff --git a/libgcc/soft-fp/truncsfhf2.c b/libgcc/soft-fp/truncsfhf2.c new file mode 100644 index 00000000000..25bee29f7f5 --- /dev/null +++ b/libgcc/soft-fp/truncsfhf2.c @@ -0,0 +1,48 @@ +/* Software floating-point emulation. + Truncate IEEE single into IEEE half. + Copyright (C) 2021 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include "soft-fp.h" +#include "half.h" +#include "single.h" + +HFtype +__truncsfhf2 (SFtype a) +{ + FP_DECL_EX; + FP_DECL_S (A); + FP_DECL_H (R); + HFtype r; + + FP_INIT_ROUNDMODE; + FP_UNPACK_SEMIRAW_S (A, a); + FP_TRUNC (H, S, 1, 1, R, A); + FP_PACK_SEMIRAW_H (r, R); + FP_HANDLE_EXCEPTIONS; + + return r; +}

soft-fp: Update soft-fp from glibc

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