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MIPS: Use WSBH/DSBH/DSHD on Loongson 3A

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Signed-off-by: chenj <chenj@lemote.com>
Cc: linux-mips@linux-mips.org
Cc: chenhc@lemote.com
Patchwork: https://patchwork.linux-mips.org/patch/7542/
Patchwork: https://patchwork.linux-mips.org/patch/7550/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Chen Jie
2014-08-15 16:56:58 +08:00
committed by Ralf Baechle
parent 0f33be009b
commit 3c09bae43b
6 changed files with 36 additions and 7 deletions
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10
arch/mips/lib/csum_partial.S
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@@ -277,9 +277,12 @@ LEAF(csum_partial)
#endif
/* odd buffer alignment? */
#ifdef CONFIG_CPU_MIPSR2
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_LOONGSON3)
.set push
.set arch=mips32r2
wsbh v1, sum
movn sum, v1, t7
.set pop
#else
beqz t7, 1f /* odd buffer alignment? */
lui v1, 0x00ff
@@ -726,9 +729,12 @@ LEAF(csum_partial)
addu sum, v1
#endif
#ifdef CONFIG_CPU_MIPSR2
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_LOONGSON3)
.set push
.set arch=mips32r2
wsbh v1, sum
movn sum, v1, odd
.set pop
#else
beqz odd, 1f /* odd buffer alignment? */
lui v1, 0x00ff