77 lines
826 B
ArmAsm
77 lines
826 B
ArmAsm
.file "memchr.S"
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.section .text
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.global _memchr
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.type _memchr,@function
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_memchr:
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movm [d2,d3,a2,a3],(sp)
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mov d0,a0
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mov d1,d2
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mov (28,sp),a1
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#ifndef __OPTIMIZE_SIZE__
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cmp 3,a1
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bls .L44
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mov a0,d3
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btst 3,d3
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bne .L44
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mov a0,a2
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mov 0,a3
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clr d1
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.L29:
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setlb
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mov a3,d0
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asl 8,d0
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mov d2,a3
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add d0,a3
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inc d1
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cmp 3,d1
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lls
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cmp 3,a1
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bls .L48
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.L33:
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mov (a2),d0
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mov a3,d3
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xor d3,d0
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mov d0,d1
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not d1
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add -16843009,d0
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and d1,d0
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btst -2139062144,d0
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beq .L34
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mov a2,a0
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clr d1
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.L38:
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setlb
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movbu (a0),d0
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cmp d2,d0
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beq .L47
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inc a0
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inc d1
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cmp 3,d1
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lls
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.L34:
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add -4,a1
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inc4 a2
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cmp 3,a1
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bhi .L33
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.L48:
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mov a2,a0
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#endif
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.L44:
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cmp 0,a1
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beq .L50
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.L49:
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setlb
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movbu (a0),d0
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cmp d2,d0
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beq .L47
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inc a0
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sub 1,a1
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lne
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.L50:
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mov 0,a0
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.L47:
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ret [d2,d3,a2,a3],16
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.Lfe1:
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.size _memchr,.Lfe1-_memchr
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