| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */
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| 2 | /*
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| 3 | * String handling functions for PowerPC.
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| 4 | *
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| 5 | * Copyright (C) 1996 Paul Mackerras.
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| 6 | */
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| 7 | |
| 8 | |
| 9 | |
| 10 |
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| 11 | .text
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| 12 |
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| 13 | _GLOBAL(strncmp)
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| 14 | PPC_LCMPI 0,r5,0
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| 15 | beq- 2f
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| 16 | mtctr r5
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| 17 | addi r5,r3,-1
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| 18 | addi r4,r4,-1
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| 19 | .balign IFETCH_ALIGN_BYTES
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| 20 | 1: lbzu r3,1(r5)
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| 21 | cmpwi 1,r3,0
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| 22 | lbzu r0,1(r4)
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| 23 | subf. r3,r0,r3
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| 24 | beqlr 1
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| 25 | bdnzt eq,1b
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| 26 | blr
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| 27 | 2: li r3,0
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| 28 | blr
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| 29 | EXPORT_SYMBOL(strncmp)
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| 30 |
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| 31 | _GLOBAL(memchr)
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| 32 | PPC_LCMPI 0,r5,0
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| 33 | beq- 2f
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| 34 | mtctr r5
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| 35 | addi r3,r3,-1
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| 36 | .balign IFETCH_ALIGN_BYTES
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| 37 | 1: lbzu r0,1(r3)
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| 38 | cmpw 0,r0,r4
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| 39 | bdnzf 2,1b
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| 40 | beqlr
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| 41 | 2: li r3,0
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| 42 | blr
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| 43 | EXPORT_SYMBOL(memchr)
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