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
next prev parent reply other threads:[~2016-01-29 19:18 UTC|newest]
Thread overview: 86+ 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 19:17 ` 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 ` 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 21:06 ` Arnd Bergmann
2016-01-29 19:18 ` [PATCH 03/12] x86: move exports to actual definitions Al Viro
2016-01-29 19:18 ` Al Viro
2016-02-01 8:12 ` Thomas Gleixner
2016-02-01 8:12 ` Thomas Gleixner
2016-01-29 19:18 ` [PATCH 04/12] alpha: " Al Viro
2016-01-29 19:18 ` Al Viro
2016-01-29 19:18 ` [PATCH 05/12] m68k: move exports to definitions Al Viro
2016-01-29 19:18 ` Al Viro
2016-02-01 10:52 ` Geert Uytterhoeven
2016-02-01 10:52 ` Geert Uytterhoeven
2016-02-01 12:18 ` Al Viro
2016-02-01 12:18 ` Al Viro
2016-02-01 13:30 ` Geert Uytterhoeven
2016-02-01 13:30 ` Geert Uytterhoeven
2016-02-01 14:53 ` Al Viro
2016-02-01 14:53 ` Al Viro
2016-02-01 15:32 ` Geert Uytterhoeven
2016-02-01 15:32 ` Geert Uytterhoeven
2016-01-29 19:18 ` [PATCH 06/12] s390: " Al Viro
2016-01-29 19:18 ` Al Viro
2016-02-02 11:29 ` Heiko Carstens
2016-02-02 11:29 ` Heiko Carstens
2016-01-29 19:18 ` [PATCH 07/12] arm: " Al Viro
2016-01-29 19:18 ` Al Viro
2016-01-29 19:18 ` [PATCH 08/12] ppc: " Al Viro
2016-01-29 19:18 ` Al Viro
2016-01-29 19:18 ` [PATCH 09/12] sparc: " Al Viro
2016-01-30 7:08 ` David Miller
2016-01-30 7:08 ` David Miller
2016-01-29 19:18 ` [PATCH 10/12] ia64: " Al Viro
2016-01-29 19:18 ` Al Viro
2016-01-29 19:18 ` [PATCH 11/12] [sparc] unify 32bit and 64bit string.h Al Viro
2016-01-29 19:18 ` Al Viro
2016-01-30 7:08 ` David Miller
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
2016-01-30 7:07 ` David Miller
2016-02-01 15:12 ` [PATCH 02/12] EXPORT_SYMBOL() for asm David Howells
2016-02-01 15:12 ` 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
2016-02-03 21:20 ` Al Viro
2016-02-04 22:33 ` Michal Marek
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
2016-02-03 21:20 ` Al Viro
2016-02-04 18:06 ` 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 ` Al Viro
2016-02-03 21:20 ` [PATCH v2 04/13] alpha: " Al Viro
2016-02-03 21:20 ` Al Viro
2016-02-03 21:20 ` [PATCH v2 05/13] m68k: move exports to definitions Al Viro
2016-02-03 21:20 ` Al Viro
2016-02-03 21:20 ` [PATCH v2 06/13] s390: " Al Viro
2016-02-03 21:20 ` Al Viro
2016-02-03 21:20 ` [PATCH v2 07/13] arm: " Al Viro
2016-02-03 21:20 ` 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 ` 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 ` Al Viro
2016-02-03 21:20 ` [PATCH v2 10/13] sparc: move exports to definitions Al Viro
2016-02-03 21:20 ` 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 ` 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
2016-02-03 21:20 ` Al Viro
2016-08-02 14:01 ` [RFC][PATCHSET v2] allowing exports in *.S Michal Marek
2016-08-02 14:01 ` Michal Marek
2016-08-16 5:48 ` Michal Marek
2016-08-16 5:48 ` Michal Marek
2016-08-16 5:57 ` Michal Marek
2016-08-16 5:57 ` Michal Marek
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