From patchwork Fri Jul 20 18:33:39 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greta Yorsh X-Patchwork-Id: 172324 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]) by ozlabs.org (Postfix) with SMTP id 60FF02C03A9 for ; Sat, 21 Jul 2012 04:32:51 +1000 (EST) Comment: DKIM? See http://www.dkim.org DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=gcc.gnu.org; s=default; x=1343413971; h=Comment: DomainKey-Signature:Received:Received:Received:Received:Received: From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type: Mailing-List:Precedence:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:Sender:Delivered-To; bh=jS9I7Fic7hTdTI3kUSZT 2sYEH3o=; b=XnfAVvgLi0SKGqFzYoQNp+qbi9o9Cmg7W6sAtOizkpIug6im9oFx dcrgsHkEmKe6QDCQQrUvW+usigZx83QFt7icd+KrCcoWYP/q8xSZlt/Fij7W/nAN pTp+jWQLIQxhEfyTDQ56Iio8dCxuKzZ0PvDMLRcybHj3OG3lws9gEX8= Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=gcc.gnu.org; h=Received:Received:X-SWARE-Spam-Status:X-Spam-Check-By:Received:Received:Received:From:To:Cc:Subject:Date:Message-ID:MIME-Version:X-MC-Unique:Content-Type:Mailing-List:Precedence:List-Id:List-Unsubscribe:List-Archive:List-Post:List-Help:Sender:Delivered-To; b=yJSHxI29SZsOhl0XxFgVSN5TiZ9IfU5ysSL1k87f/Q/WcwqaOhLpz2Ue3rKSyc 3emIFXVcQZiDLCcvpKXSjYy1SAxsE6a+y+n76UpT5qEh9n5Jww5LXOs7epnWOOnP 6Mltl7PVc7TqYAlHTfijuu7KPItxgntuRXTE9nJbcjUH8=; Received: (qmail 6192 invoked by alias); 20 Jul 2012 18:32:47 -0000 Received: (qmail 6184 invoked by uid 22791); 20 Jul 2012 18:32:46 -0000 X-SWARE-Spam-Status: No, hits=-1.5 required=5.0 tests=AWL, BAYES_00, KHOP_RCVD_UNTRUST, MSGID_MULTIPLE_AT, RCVD_IN_DNSWL_LOW, RCVD_IN_HOSTKARMA_NO X-Spam-Check-By: sourceware.org Received: from service87.mimecast.com (HELO service87.mimecast.com) (91.220.42.44) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 20 Jul 2012 18:32:32 +0000 Received: from cam-owa2.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Fri, 20 Jul 2012 19:32:30 +0100 Received: from E103079 ([10.1.255.212]) by cam-owa2.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 20 Jul 2012 19:33:43 +0100 From: "Greta Yorsh" To: "GCC Patches" Cc: "Richard Earnshaw" , "Ramana Radhakrishnan" Subject: [Patch, ARM] Cleanup in arm_expand_epilogue Date: Fri, 20 Jul 2012 19:33:39 +0100 Message-ID: <000c01cd66a6$2ee2c430$8ca84c90$@Yorsh@arm.com> MIME-Version: 1.0 X-MC-Unique: 112072019323002101 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org The variable floats_from_frame in function arm_expand_epilogue became unused after removal of FPA support. This patch cleans it up and simplifies the initialization of num_regs variable. Ok for trunk? Thanks, Greta ChangeLog gcc/ 2012-07-20 Greta Yorsh * config/arm/arm.c (arm_expand_epilogue): Remove unused variable floats_from_frame. diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c index 627b436..659d6b3 100644 --- a/gcc/config/arm/arm.c +++ b/gcc/config/arm/arm.c @@ -23006,8 +23015,7 @@ arm_expand_epilogue (bool really_return) int num_regs = 0; int i; int amount; - int floats_from_frame = 0; arm_stack_offsets *offsets; func_type = arm_current_func_type (); @@ -23033,18 +23042,7 @@ arm_expand_epilogue (bool really_return) /* Get frame offsets for ARM. */ offsets = arm_get_frame_offsets (); saved_regs_mask = offsets->saved_regs_mask; - - /* Find offset of floating point register from frame pointer. - The initialization is done in this way to take care of frame pointer - and static-chain register, if stored. */ - floats_from_frame = offsets->saved_args - offsets->frame; - /* Compute how many registers saved and how far away the floats will be. */ - for (i = 0; i <= LAST_ARM_REGNUM; i++) - if (saved_regs_mask & (1 << i)) - { - num_regs++; - floats_from_frame += 4; - } + num_regs = bit_count (saved_regs_mask); if (frame_pointer_needed) {