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sparc32: drop sun4c specific ___xchg32 implementation

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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2012-05-11 11:35:07 +00:00 committed by David S. Miller
parent 306f123162
commit 593fc6ea47
1 changed files with 0 additions and 20 deletions
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20
arch/sparc/lib/atomic_32.S
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@ -13,26 +13,6 @@
__atomic_begin:
#ifndef CONFIG_SMP
.globl ___xchg32_sun4c
___xchg32_sun4c:
rd %psr, %g3
andcc %g3, PSR_PIL, %g0
bne 1f
nop
wr %g3, PSR_PIL, %psr
nop; nop; nop
1:
andcc %g3, PSR_PIL, %g0
ld [%g1], %g7
bne 1f
st %g2, [%g1]
wr %g3, 0x0, %psr
nop; nop; nop
1:
mov %g7, %g2
jmpl %o7 + 8, %g0
mov %g4, %o7
.globl ___xchg32_sun4md
___xchg32_sun4md:
swap [%g1], %g2