From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933929AbcBCVVS (ORCPT ); Wed, 3 Feb 2016 16:21:18 -0500 Received: from zeniv.linux.org.uk ([195.92.253.2]:43441 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755565AbcBCVUt (ORCPT ); Wed, 3 Feb 2016 16:20:49 -0500 From: Al Viro To: linux-arch@vger.kernel.org Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 12/13] sparc32: debride memcpy.S a bit Date: Wed, 3 Feb 2016 21:20:44 +0000 Message-Id: <1454534445-16759-12-git-send-email-viro@ZenIV.linux.org.uk> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <20160203211953.GT17997@ZenIV.linux.org.uk> References: <20160203211953.GT17997@ZenIV.linux.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Al Viro unreachable code, unused macros... Acked-by: David S. Miller Signed-off-by: Al Viro --- arch/sparc/lib/memcpy.S | 79 ------------------------------------------------- 1 file changed, 79 deletions(-) diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S index d3626cd..8913fea 100644 --- a/arch/sparc/lib/memcpy.S +++ b/arch/sparc/lib/memcpy.S @@ -59,88 +59,9 @@ x: stb %t0, [%dst - (offset) - 0x02]; \ stb %t1, [%dst - (offset) - 0x01]; -/* Both these macros have to start with exactly the same insn */ -#define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ - ldd [%src - (offset) - 0x20], %t0; \ - ldd [%src - (offset) - 0x18], %t2; \ - ldd [%src - (offset) - 0x10], %t4; \ - ldd [%src - (offset) - 0x08], %t6; \ - st %t0, [%dst - (offset) - 0x20]; \ - st %t1, [%dst - (offset) - 0x1c]; \ - st %t2, [%dst - (offset) - 0x18]; \ - st %t3, [%dst - (offset) - 0x14]; \ - st %t4, [%dst - (offset) - 0x10]; \ - st %t5, [%dst - (offset) - 0x0c]; \ - st %t6, [%dst - (offset) - 0x08]; \ - st %t7, [%dst - (offset) - 0x04]; - -#define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ - ldd [%src - (offset) - 0x20], %t0; \ - ldd [%src - (offset) - 0x18], %t2; \ - ldd [%src - (offset) - 0x10], %t4; \ - ldd [%src - (offset) - 0x08], %t6; \ - std %t0, [%dst - (offset) - 0x20]; \ - std %t2, [%dst - (offset) - 0x18]; \ - std %t4, [%dst - (offset) - 0x10]; \ - std %t6, [%dst - (offset) - 0x08]; - -#define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ - ldd [%src + (offset) + 0x00], %t0; \ - ldd [%src + (offset) + 0x08], %t2; \ - st %t0, [%dst + (offset) + 0x00]; \ - st %t1, [%dst + (offset) + 0x04]; \ - st %t2, [%dst + (offset) + 0x08]; \ - st %t3, [%dst + (offset) + 0x0c]; - -#define RMOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ - ldub [%src + (offset) + 0x00], %t0; \ - ldub [%src + (offset) + 0x01], %t1; \ - stb %t0, [%dst + (offset) + 0x00]; \ - stb %t1, [%dst + (offset) + 0x01]; - -#define SMOVE_CHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ - ldd [%src + (offset) + 0x00], %t0; \ - ldd [%src + (offset) + 0x08], %t2; \ - srl %t0, shir, %t5; \ - srl %t1, shir, %t6; \ - sll %t0, shil, %t0; \ - or %t5, %prev, %t5; \ - sll %t1, shil, %prev; \ - or %t6, %t0, %t0; \ - srl %t2, shir, %t1; \ - srl %t3, shir, %t6; \ - sll %t2, shil, %t2; \ - or %t1, %prev, %t1; \ - std %t4, [%dst + (offset) + (offset2) - 0x04]; \ - std %t0, [%dst + (offset) + (offset2) + 0x04]; \ - sll %t3, shil, %prev; \ - or %t6, %t2, %t4; - -#define SMOVE_ALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ - ldd [%src + (offset) + 0x00], %t0; \ - ldd [%src + (offset) + 0x08], %t2; \ - srl %t0, shir, %t4; \ - srl %t1, shir, %t5; \ - sll %t0, shil, %t6; \ - or %t4, %prev, %t0; \ - sll %t1, shil, %prev; \ - or %t5, %t6, %t1; \ - srl %t2, shir, %t4; \ - srl %t3, shir, %t5; \ - sll %t2, shil, %t6; \ - or %t4, %prev, %t2; \ - sll %t3, shil, %prev; \ - or %t5, %t6, %t3; \ - std %t0, [%dst + (offset) + (offset2) + 0x00]; \ - std %t2, [%dst + (offset) + (offset2) + 0x08]; - .text .align 4 -0: - retl - nop ! Only bcopy returns here and it retuns void... - FUNC(memmove) EXPORT_SYMBOL(memmove) cmp %o0, %o1 -- 2.1.4