From patchwork Fri Mar 29 13:35:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 32062 Received: (qmail 117857 invoked by alias); 29 Mar 2019 13:35:39 -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 117831 invoked by uid 89); 29 Mar 2019 13:35:39 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-22.2 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.1 spammy=UD:S X-HELO: mail-vs1-f52.google.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=Z/sHlL5wy7TiyYQfadp1i9xEkRP/M/305UolO73VwP4=; b=EKArZg5ryAw9nnt31RDClO+kHgB5LHXX77F0A0LdXo28FqOFG3llpAY5Jg/7bsdlft Z+tTiYDwQygXqOfGqFXB95Y/9vtQW4JChS4N7XdcHzy529miiAsq98o2jo496nfKx3oA rfOedgFhSpiB1KMoI74FiZy7XNveCV/HBfUn5rMAoK2Bawld7ClaqBvIW/Yka22QDDlE GqIpu1M0Hn4rge5tT2oubIcOb46iQG+eR3JxMsZ5SvUk7S4TBJoBWVCsz9ER2+PfmVjo TdFm3NdiUx62tXhv7jG1VozNXhgau0V47d6mh7WngIzI7MyNx4PMXuVr2dydR+Yb0aoZ shww== Return-Path: From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH 02/28] powerpc: fma using builtins Date: Fri, 29 Mar 2019 10:35:03 -0300 Message-Id: <20190329133529.22523-3-adhemerval.zanella@linaro.org> In-Reply-To: <20190329133529.22523-1-adhemerval.zanella@linaro.org> References: <20190329133529.22523-1-adhemerval.zanella@linaro.org> This patch just refactor the assembly implementation to use compiler builtins instead. Checked on powerpc-linux-gnu (built without --with-cpu, with --with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch), powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+ and --disable-multi-arch). * sysdeps/powerpc/fpu/s_fma.S: Remove file. * sysdeps/powerpc/fpu/s_fmaf.S: Likewise. * sysdeps/powerpc/fpu/s_fma.c: New file. * sysdeps/powerpc/fpu/s_fmaf.c: Likewise. --- sysdeps/powerpc/fpu/{s_fma.S => s_fma.c} | 12 +++++------- sysdeps/powerpc/fpu/{s_fmaf.S => s_fmaf.c} | 12 +++++------- 2 files changed, 10 insertions(+), 14 deletions(-) rename sysdeps/powerpc/fpu/{s_fma.S => s_fma.c} (82%) rename sysdeps/powerpc/fpu/{s_fmaf.S => s_fmaf.c} (82%) diff --git a/sysdeps/powerpc/fpu/s_fma.S b/sysdeps/powerpc/fpu/s_fma.c similarity index 82% rename from sysdeps/powerpc/fpu/s_fma.S rename to sysdeps/powerpc/fpu/s_fma.c index 92e08eb583..688f9badf5 100644 --- a/sysdeps/powerpc/fpu/s_fma.S +++ b/sysdeps/powerpc/fpu/s_fma.c @@ -1,5 +1,5 @@ /* Compute x * y + z as ternary operation. PowerPC version. - Copyright (C) 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2019 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 @@ -19,10 +19,8 @@ #include #include -ENTRY_TOCLESS(__fma) -/* double [f1] fma (double [f1] x, double [f2] y, double [f3] z); */ - fmadd fp1,fp1,fp2,fp3 - blr -END(__fma) - +double __fma (double x, double y, double z) +{ + return __builtin_fma (x, y, z); +} libm_alias_double (__fma, fma) diff --git a/sysdeps/powerpc/fpu/s_fmaf.S b/sysdeps/powerpc/fpu/s_fmaf.c similarity index 82% rename from sysdeps/powerpc/fpu/s_fmaf.S rename to sysdeps/powerpc/fpu/s_fmaf.c index 9579e9492e..38b59e1f2f 100644 --- a/sysdeps/powerpc/fpu/s_fmaf.S +++ b/sysdeps/powerpc/fpu/s_fmaf.c @@ -1,5 +1,5 @@ /* Compute x * y + z as ternary operation. PowerPC version. - Copyright (C) 2010-2019 Free Software Foundation, Inc. + Copyright (C) 2019 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 @@ -19,10 +19,8 @@ #include #include -ENTRY_TOCLESS(__fmaf) -/* float [f1] fmaf (float [f1] x, float [f2] y, float [f3] z); */ - fmadds fp1,fp1,fp2,fp3 - blr -END(__fmaf) - +float __fmaf (float x, float y, float z) +{ + return __builtin_fmaf (x, y, z); +} libm_alias_float (__fma, fma)