149 строки
2.3 KiB
NASM
149 строки
2.3 KiB
NASM
START_FILE
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#include <asm.h>
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#include <regdef.h>
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TEXT
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ALIGN(8)
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LEAF(opal_atomic_mb)
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#APP
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sync
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#NO_APP
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j ra
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END(opal_atomic_mb)
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ALIGN(8)
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LEAF(opal_atomic_rmb)
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#APP
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sync
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#NO_APP
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j ra
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END(opal_atomic_rmb)
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LEAF(opal_atomic_wmb)
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#APP
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sync
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#NO_APP
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j ra
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END(opal_atomic_wmb)
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LEAF(opal_atomic_cmpset_32)
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#APP
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.set noreorder
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retry1:
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ll $3, 0($4)
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bne $3, $5, done1
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or $2, $6, 0
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sc $2, 0($4)
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bne $2, 1, retry1
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done1:
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.set reorder
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#NO_APP
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xor $3,$3,$5
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j ra
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sltu $2,$3,1
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END(opal_atomic_cmpset_32)
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LEAF(opal_atomic_cmpset_acq_32)
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#APP
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.set noreorder
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retry2:
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ll $3, 0($4)
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bne $3, $5, done2
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or $2, $6, 0
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sc $2, 0($4)
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bne $2, 1, retry2
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done2:
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sync
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.set reorder
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#NO_APP
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xor $3,$3,$5
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j ra
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sltu $2,$3,1
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END(opal_atomic_cmpset_acq_32)
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LEAF(opal_atomic_cmpset_rel_32)
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#APP
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.set noreorder
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sync
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retry3:
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ll $3, 0($4)
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bne $3, $5, done3
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or $2, $6, 0
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sc $2, 0($4)
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bne $2, 1, retry3
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done3:
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.set reorder
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#NO_APP
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xor $3,$3,$5
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j ra
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sltu $2,$3,1
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END(opal_atomic_cmpset_rel_32)
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LEAF(opal_atomic_cmpset_64)
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#APP
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.set noreorder
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retry4:
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lld $3, 0($4)
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bne $3, $5, done4
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or $2, $6, 0
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scd $2, 0($4)
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bne $2, 1, retry4
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done4:
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.set reorder
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#NO_APP
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xor $4,$3,$5
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j ra
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sltu $3,$4,1
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END(opal_atomic_cmpset_64)
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LEAF(opal_atomic_cmpset_acq_64)
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#APP
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.set noreorder
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retry5:
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lld $3, 0($4)
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bne $3, $5, done5
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or $2, $6, 0
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scd $2, 0($4)
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bne $2, 1, retry5
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done5:
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.set reorder
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sync
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#NO_APP
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xor $4,$3,$5
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j ra
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sltu $3,$4,1
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END(opal_atomic_cmpset_acq_64)
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LEAF(opal_atomic_cmpset_rel_64)
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#APP
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.set noreorder
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sync
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retry6:
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lld $3, 0($4)
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bne $3, $5, done6
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or $2, $6, 0
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scd $2, 0($4)
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bne $2, 1, retry6
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done6:
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.set reorder
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#NO_APP
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xor $4,$3,$5
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j ra
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sltu $3,$4,1
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END(opal_atomic_cmpset_rel_64)
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