From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx2.suse.de", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id EC3F668748 for ; Fri, 18 Nov 2005 08:09:08 +1100 (EST) Date: Thu, 17 Nov 2005 22:09:02 +0100 From: Olaf Hering To: Paul Mackeras , linuxppc-dev@ozlabs.org Message-ID: <20051117210902.GB31775@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Subject: [PATCH] ppc boot: replace string labels with numbers List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Replacing the string labels with numbers saves 117 bytes in the final zImage. These local labels are not discared. Signed-off-by: Olaf Hering arch/powerpc/boot/crt0.S | 23 +++++++++++------------ 1 files changed, 11 insertions(+), 12 deletions(-) Index: linux-2.6.15-rc1-olh/arch/powerpc/boot/crt0.S =================================================================== --- linux-2.6.15-rc1-olh.orig/arch/powerpc/boot/crt0.S +++ linux-2.6.15-rc1-olh/arch/powerpc/boot/crt0.S @@ -14,43 +14,42 @@ .text .globl _zimage_start _zimage_start: - bl reloc_offset + bl 1f -reloc_offset: +1: mflr r0 - lis r9,reloc_offset@ha - addi r9,r9,reloc_offset@l + lis r9,1b@ha + addi r9,r9,1b@l subf. r0,r9,r0 - beq clear_caches + beq 3f -reloc_got2: lis r9,__got2_start@ha addi r9,r9,__got2_start@l lis r8,__got2_end@ha addi r8,r8,__got2_end@l subf. r8,r9,r8 - beq clear_caches + beq 3f srwi. r8,r8,2 mtctr r8 add r9,r0,r9 -reloc_got2_loop: +2: lwz r8,0(r9) add r8,r8,r0 stw r8,0(r9) addi r9,r9,4 - bdnz reloc_got2_loop + bdnz 2b -clear_caches: +3: lis r9,_start@h add r9,r0,r9 lis r8,_etext@ha addi r8,r8,_etext@l add r8,r0,r8 -1: dcbf r0,r9 +4: dcbf r0,r9 icbi r0,r9 addi r9,r9,0x20 cmplwi 0,r9,8 - blt 1b + blt 4b sync isync -- short story of a lazy sysadmin: alias appserv=wotan