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#include <sys/asm.h>
#include <regdef.h>
.text
.align 3
LEAF(opal_atomic_mb)
sync
j ra
END(opal_atomic_mb)
.align 3
LEAF(opal_atomic_rmb)
sync
j ra
END(opal_atomic_rmb)
LEAF(opal_atomic_wmb)
sync
j ra
END(opal_atomic_wmb)
LEAF(opal_atomic_cmpset_32)
.set noreorder
retry1:
ll $3, 0($4)
bne $3, $5, done1
or $2, $6, 0
sc $2, 0($4)
beqz $2, retry1
done1:
.set reorder
xor $3,$3,$5
j ra
sltu $2,$3,1
END(opal_atomic_cmpset_32)
LEAF(opal_atomic_cmpset_acq_32)
.set noreorder
retry2:
ll $3, 0($4)
bne $3, $5, done2
or $2, $6, 0
sc $2, 0($4)
beqz $2, retry2
done2:
sync
.set reorder
xor $3,$3,$5
j ra
sltu $2,$3,1
END(opal_atomic_cmpset_acq_32)
LEAF(opal_atomic_cmpset_rel_32)
.set noreorder
sync
retry3:
ll $3, 0($4)
bne $3, $5, done3
or $2, $6, 0
sc $2, 0($4)
beqz $2, retry3
done3:
.set reorder
xor $3,$3,$5
j ra
sltu $2,$3,1
END(opal_atomic_cmpset_rel_32)
LEAF(opal_atomic_cmpset_64)
.set noreorder
retry4:
lld $3, 0($4)
bne $3, $5, done4
or $2, $6, 0
scd $2, 0($4)
beqz $2, retry4
done4:
.set reorder
xor $4,$3,$5
j ra
sltu $3,$4,1
END(opal_atomic_cmpset_64)
LEAF(opal_atomic_cmpset_acq_64)
.set noreorder
retry5:
lld $3, 0($4)
bne $3, $5, done5
or $2, $6, 0
scd $2, 0($4)
beqz $2, retry5
done5:
.set reorder
sync
xor $4,$3,$5
j ra
sltu $3,$4,1
END(opal_atomic_cmpset_acq_64)
LEAF(opal_atomic_cmpset_rel_64)
.set noreorder
sync
retry6:
lld $3, 0($4)
bne $3, $5, done6
or $2, $6, 0
scd $2, 0($4)
beqz $2, retry6
done6:
.set reorder
xor $4,$3,$5
j ra
sltu $3,$4,1
END(opal_atomic_cmpset_rel_64)
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