| 1 | /* SPDX-License-Identifier: GPL-2.0 */
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| 2 | /* Sparc optimized memcmp code.
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| 3 | *
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| 4 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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| 5 | * Copyright (C) 2000, 2008 David S. Miller (davem@davemloft.net)
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| 6 | */
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| 7 |
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| 8 | |
| 9 | |
| 10 | |
| 11 |
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| 12 | .text
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| 13 | ENTRY(memcmp)
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| 14 | cmp %o2, 0
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| 15 | 1: BRANCH32(be, pn, 2f)
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| 16 | nop
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| 17 | ldub [%o0], %g7
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| 18 | ldub [%o1], %g3
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| 19 | sub %o2, 1, %o2
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| 20 | add %o0, 1, %o0
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| 21 | add %o1, 1, %o1
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| 22 | subcc %g7, %g3, %g3
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| 23 | BRANCH32(be, pt, 1b)
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| 24 | cmp %o2, 0
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| 25 | retl
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| 26 | mov %g3, %o0
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| 27 | 2: retl
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| 28 | mov 0, %o0
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| 29 | ENDPROC(memcmp)
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| 30 | EXPORT_SYMBOL(memcmp)
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