From patchwork Mon Dec 8 18:29:10 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Senkevich X-Patchwork-Id: 418775 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 758801400A0 for ; Tue, 9 Dec 2014 05:29:53 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; q=dns; s=default; b=sM3S 2w4fRQAskBD4l1xaRPQAzDemiKCmpgVvfb26vC9Y5gAsxibEjnlOpjqWt0sVtMUG aZmg4uAWPQebCNzZESpIvtjteil99+meCkfS1Ksf601Irf43SuZZPa+PFKjdfs7Z eNomSoFoNsLzbfmfoti1oscfVtK6SGHNcf80f4Y= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; s=default; bh=ab2zoSP8jF cdsEz30Cw/geJ73I0=; b=Nhi2RU/G0d6T7gDaRQSGldjUVTNGlmEw8RWfVobez/ hiR977XPtIVbKuW/7BSJhEaPXCzKVb6ll3zCUb6/57iOpsgnOH9YsD/OhUx22xgX pY8EPFR0j6l2oJMkbRxRHp3Z1qNqXSIWq/il6bgeORDE0EruxrVotwvpRHdVrm+w E= Received: (qmail 13909 invoked by alias); 8 Dec 2014 18:29:47 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 13891 invoked by uid 89); 8 Dec 2014 18:29:46 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL, BAYES_00, FREEMAIL_FROM, RCVD_IN_DNSWL_LOW, SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-la0-f52.google.com X-Received: by 10.112.198.1 with SMTP id iy1mr17704432lbc.13.1418063381381; Mon, 08 Dec 2014 10:29:41 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: From: Andrew Senkevich Date: Mon, 8 Dec 2014 22:29:10 +0400 Message-ID: Subject: Re: [PATCH 4/N v2] [x86_64] Vectorized math functions To: Joseph Myers Cc: libc-alpha Here is updated patch. * bits/math-vector.h: New file. * bits/libm-simd-decl-stubs.h: New header. * math/Makefile (headers): Added new header libm-simd-decl-stubs.h. * math/math.h (__MATHCALL_VEC): New macro. --- WBR, Andrew diff --git a/bits/libm-simd-decl-stubs.h b/bits/libm-simd-decl-stubs.h new file mode 100644 index 0000000..e8ca1ee --- /dev/null +++ b/bits/libm-simd-decl-stubs.h @@ -0,0 +1,40 @@ +/* Empty definitions required for __MATHCALL_VEC unfolding in mathcalls.h. + Copyright (C) 2014 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_H +# error "Never include directly;\ + include instead." +#endif + +/* Needed definitions could be generated with: + for func in $(grep __MATHCALL_VEC math/bits/mathcalls.h |\ + sed -r "s|__MATHCALL_VEC.?\(||; s|,.*||"); do + echo "#define __DECL_SIMD_${func}"; + echo "#define __DECL_SIMD_${func}f"; + echo "#define __DECL_SIMD_${func}l"; + done + */ + +#ifndef _BITS_LIBM_SIMD_DECL_STUBS_H +#define _BITS_LIBM_SIMD_DECL_STUBS_H 1 + +#define __DECL_SIMD_cos +#define __DECL_SIMD_cosf +#define __DECL_SIMD_cosl + +#endif diff --git a/bits/math-vector.h b/bits/math-vector.h new file mode 100644 index 0000000..84f67fa --- /dev/null +++ b/bits/math-vector.h @@ -0,0 +1,27 @@ +/* Platform-specific SIMD declarations of math functions. + Copyright (C) 2014 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 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_H +# error "Never include directly;\ + include instead." +#endif + +/* Get default empty definitions required for __MATHCALL_VEC unfolding. + Plaform-specific analogue of this header should redefine them with specific + SIMD declarations. */ +#include diff --git a/math/Makefile b/math/Makefile index 73d299d..fbd2ded 100644 --- a/math/Makefile +++ b/math/Makefile @@ -26,7 +26,8 @@ headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \ bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \ fpu_control.h complex.h bits/cmathcalls.h fenv.h \ bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \ - bits/math-finite.h + bits/math-finite.h bits/math-vector.h \ + bits/libm-simd-decl-stubs.h # FPU support code. aux := setfpucw fpu_control diff --git a/math/math.h b/math/math.h index dc532b7..0f3e36b 100644 --- a/math/math.h +++ b/math/math.h @@ -27,6 +27,9 @@ __BEGIN_DECLS +/* Get machine-dependent vector math functions declarations. */ +#include + /* Get machine-dependent HUGE_VAL value (returned on overflow). On all IEEE754 machines, this is +Infinity. */ #include @@ -49,6 +52,12 @@ __BEGIN_DECLS so we can easily declare each function as both `name' and `__name', and can declare the float versions `namef' and `__namef'. */ +#define __SIMD_DECL(function) __CONCAT (__DECL_SIMD_, function) + +#define __MATHCALL_VEC(function, suffix, args) \ + __SIMD_DECL (__MATH_PRECNAME (function, suffix)) \ + __MATHCALL (function, suffix, args) + #define __MATHCALL(function,suffix, args) \ __MATHDECL (_Mdouble_,function,suffix, args) #define __MATHDECL(type, function,suffix, args) \