From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21632 invoked by alias); 1 Mar 2013 23:59:49 -0000 Received: (qmail 21619 invoked by uid 22791); 1 Mar 2013 23:59:49 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00,TW_DM X-Spam-Check-By: sourceware.org Received: from toast.topped-with-meat.com (HELO topped-with-meat.com) (204.197.218.159) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 01 Mar 2013 23:59:43 +0000 Received: by topped-with-meat.com (Postfix, from userid 5281) id 4725B2C0B5; Fri, 1 Mar 2013 15:59:42 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Roland McGrath To: libc-ports@sourceware.org Subject: [PATCH v2 roland/arm-avoid-r9] ARM: Use r10 instead of r9. Message-Id: <20130301235942.4725B2C0B5@topped-with-meat.com> Date: Fri, 01 Mar 2013 23:59:00 -0000 X-CMAE-Score: 0 X-CMAE-Analysis: v=2.1 cv=LYSvtFvi c=1 sm=1 tr=0 a=WkljmVdYkabdwxfqvArNOQ==:117 a=14OXPxybAAAA:8 a=HwWTFhoMR50A:10 a=Z6MIti7PxpgA:10 a=kj9zAlcOel0A:10 a=hOe2yjtxAAAA:8 a=tIvY_jI2OJUA:10 a=JMZUixiM4TVhUJozFYEA:9 a=CjuIK1q_8ugA:10 X-IsSubscribed: yes Mailing-List: contact libc-ports-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: libc-ports-owner@sourceware.org X-SW-Source: 2013-03/txt/msg00023.txt.bz2 Tested no 'make check' regressions on armv7l-linux-gnueabihf. (There were many failures, but no regressions and no failures in string/.) Thanks, Roland ports/ChangeLog.arm 2013-03-01 Roland McGrath * sysdeps/arm/memcpy.S: Use r10 instead of r9. * sysdeps/arm/memmove.S: Likewise. --- a/ports/sysdeps/arm/memcpy.S +++ b/ports/sysdeps/arm/memcpy.S @@ -189,13 +189,13 @@ ENTRY(memcpy) CALGN( subcc r2, r2, ip ) CALGN( bcc 15f ) -11: stmfd sp!, {r5 - r9} +11: stmfd sp!, {r5 - r8, r10} cfi_adjust_cfa_offset (20) cfi_rel_offset (r5, 0) cfi_rel_offset (r6, 4) cfi_rel_offset (r7, 8) cfi_rel_offset (r8, 12) - cfi_rel_offset (r9, 16) + cfi_rel_offset (r10, 16) PLD( pld [r1, #0] ) PLD( subs r2, r2, #96 ) @@ -208,7 +208,7 @@ ENTRY(memcpy) 13: ldmia r1!, {r4, r5, r6, r7} mov r3, lr, pull #\pull subs r2, r2, #32 - ldmia r1!, {r8, r9, ip, lr} + ldmia r1!, {r8, r10, ip, lr} orr r3, r3, r4, push #\push mov r4, r4, pull #\pull orr r4, r4, r5, push #\push @@ -219,23 +219,23 @@ ENTRY(memcpy) mov r7, r7, pull #\pull orr r7, r7, r8, push #\push mov r8, r8, pull #\pull - orr r8, r8, r9, push #\push - mov r9, r9, pull #\pull - orr r9, r9, ip, push #\push + orr r8, r8, r10, push #\push + mov r10, r10, pull #\pull + orr r10, r10, ip, push #\push mov ip, ip, pull #\pull orr ip, ip, lr, push #\push - stmia r0!, {r3, r4, r5, r6, r7, r8, r9, ip} + stmia r0!, {r3, r4, r5, r6, r7, r8, r10, ip} bge 12b PLD( cmn r2, #96 ) PLD( bge 13b ) - ldmfd sp!, {r5 - r9} + ldmfd sp!, {r5 - r8, r10} cfi_adjust_cfa_offset (-20) cfi_restore (r5) cfi_restore (r6) cfi_restore (r7) cfi_restore (r8) - cfi_restore (r9) + cfi_restore (r10) 14: ands ip, r2, #28 beq 16f --- a/ports/sysdeps/arm/memmove.S +++ b/ports/sysdeps/arm/memmove.S @@ -204,13 +204,13 @@ ENTRY(memmove) CALGN( subcc r2, r2, ip ) CALGN( bcc 15f ) -11: stmfd sp!, {r5 - r9} +11: stmfd sp!, {r5 - r8, r10} cfi_adjust_cfa_offset (20) cfi_rel_offset (r5, 0) cfi_rel_offset (r6, 4) cfi_rel_offset (r7, 8) cfi_rel_offset (r8, 12) - cfi_rel_offset (r9, 16) + cfi_rel_offset (r10, 16) PLD( pld [r1, #-4] ) PLD( subs r2, r2, #96 ) @@ -220,15 +220,15 @@ ENTRY(memmove) PLD( pld [r1, #-96] ) 12: PLD( pld [r1, #-128] ) -13: ldmdb r1!, {r7, r8, r9, ip} +13: ldmdb r1!, {r7, r8, r10, ip} mov lr, r3, push #\push subs r2, r2, #32 ldmdb r1!, {r3, r4, r5, r6} orr lr, lr, ip, pull #\pull mov ip, ip, push #\push - orr ip, ip, r9, pull #\pull - mov r9, r9, push #\push - orr r9, r9, r8, pull #\pull + orr ip, ip, r10, pull #\pull + mov r10, r10, push #\push + orr r10, r10, r8, pull #\pull mov r8, r8, push #\push orr r8, r8, r7, pull #\pull mov r7, r7, push #\push @@ -239,18 +239,18 @@ ENTRY(memmove) orr r5, r5, r4, pull #\pull mov r4, r4, push #\push orr r4, r4, r3, pull #\pull - stmdb r0!, {r4 - r9, ip, lr} + stmdb r0!, {r4 - r8, r10, ip, lr} bge 12b PLD( cmn r2, #96 ) PLD( bge 13b ) - ldmfd sp!, {r5 - r9} + ldmfd sp!, {r5 - r8, r10} cfi_adjust_cfa_offset (-20) cfi_restore (r5) cfi_restore (r6) cfi_restore (r7) cfi_restore (r8) - cfi_restore (r9) + cfi_restore (r10) 14: ands ip, r2, #28 beq 16f