All of lore.kernel.org
 help / color / mirror / Atom feed
From: Al Viro <viro@ZenIV.linux.org.uk>
To: linux-arch@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 12/12] sparc32: debride memcpy.S a bit
Date: Fri, 29 Jan 2016 19:18:34 +0000	[thread overview]
Message-ID: <1454095114-4128-12-git-send-email-viro@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20160129191744.GB17997@ZenIV.linux.org.uk>

From: Al Viro <viro@zeniv.linux.org.uk>

unreachable code, unused macros...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 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

  parent reply	other threads:[~2016-01-29 19:18 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-29 19:17 [RFC][PATCHSET] allowing exports in *.S Al Viro
2016-01-29 19:18 ` [PATCH 01/12] [kbuild] handle exports in lib-y objects reliably Al Viro
2016-01-29 19:18 ` [PATCH 02/12] EXPORT_SYMBOL() for asm Al Viro
2016-01-29 21:06   ` Arnd Bergmann
2016-01-29 19:18 ` [PATCH 03/12] x86: move exports to actual definitions Al Viro
2016-02-01  8:12   ` Thomas Gleixner
2016-01-29 19:18 ` [PATCH 04/12] alpha: " Al Viro
2016-01-29 19:18 ` [PATCH 05/12] m68k: move exports to definitions Al Viro
2016-02-01 10:52   ` Geert Uytterhoeven
2016-02-01 12:18     ` Al Viro
2016-02-01 13:30       ` Geert Uytterhoeven
2016-02-01 14:53         ` Al Viro
2016-02-01 15:32           ` Geert Uytterhoeven
2016-01-29 19:18 ` [PATCH 06/12] s390: " Al Viro
2016-02-02 11:29   ` Heiko Carstens
2016-01-29 19:18 ` [PATCH 07/12] arm: " Al Viro
2016-01-29 19:18 ` [PATCH 08/12] ppc: " Al Viro
2016-01-29 19:18 ` [PATCH 09/12] sparc: " Al Viro
2016-01-30  7:08   ` David Miller
2016-01-29 19:18 ` [PATCH 10/12] ia64: " Al Viro
2016-01-29 19:18 ` [PATCH 11/12] [sparc] unify 32bit and 64bit string.h Al Viro
2016-01-30  7:08   ` David Miller
2016-01-29 19:18 ` Al Viro [this message]
2016-01-30  7:07   ` [PATCH 12/12] sparc32: debride memcpy.S a bit David Miller
2016-02-01 15:12 ` [PATCH 02/12] EXPORT_SYMBOL() for asm David Howells
2016-02-03 21:19 ` [RFC][PATCHSET v2] allowing exports in *.S Al Viro
2016-02-03 21:20   ` [PATCH v2 01/13] [kbuild] handle exports in lib-y objects reliably Al Viro
2016-02-04 22:33     ` Michal Marek
2016-02-05  0:18       ` Al Viro
2016-02-03 21:20   ` [PATCH v2 02/13] EXPORT_SYMBOL() for asm Al Viro
2016-02-04 18:06     ` Al Viro
2016-02-10 22:15     ` Nicolas Pitre
2016-02-03 21:20   ` [PATCH v2 03/13] x86: move exports to actual definitions Al Viro
2016-02-03 21:20   ` [PATCH v2 04/13] alpha: " Al Viro
2016-02-03 21:20   ` [PATCH v2 05/13] m68k: move exports to definitions Al Viro
2016-02-03 21:20   ` [PATCH v2 06/13] s390: " Al Viro
2016-02-03 21:20   ` [PATCH v2 07/13] arm: " Al Viro
2016-02-10 21:56     ` Nicolas Pitre
2016-02-03 21:20   ` [PATCH v2 08/13] ppc: " Al Viro
2016-02-03 21:20   ` [PATCH v2 09/13] ppc: get rid of unreachable abs() implementation Al Viro
2016-02-03 21:20   ` [PATCH v2 10/13] sparc: move exports to definitions Al Viro
2016-02-03 21:20   ` [PATCH v2 11/13] [sparc] unify 32bit and 64bit string.h Al Viro
2016-02-03 21:20   ` [PATCH v2 12/13] sparc32: debride memcpy.S a bit Al Viro
2016-02-03 21:20   ` [PATCH v2 13/13] ia64: move exports to definitions Al Viro
2016-08-02 14:01   ` [RFC][PATCHSET v2] allowing exports in *.S Michal Marek
2016-08-16  5:48     ` Michal Marek
2016-08-16  5:57       ` Michal Marek

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1454095114-4128-12-git-send-email-viro@ZenIV.linux.org.uk \
    --to=viro@zeniv.linux.org.uk \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-kbuild@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.