newlib-cygwin/newlib/libc/machine/mn10300/memset.S

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2000-02-18 03:39:52 +08:00
.file "memset.S"
.section .text
.global _memset
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.type _memset,@function
_memset:
movm [d2,d3,a2,a3], (sp)
.Lend_of_prologue:
mov d0, d3
mov d1, d2
mov (28, sp),a1
mov d3, a0
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#ifndef __OPTIMIZE_SIZE__
cmp 3, a1
bls .L41
btst 3, d3
bne .L41
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extbu d2
mov d2, d1
asl 8, d1
or d2, d1
mov d1, d0
asl 16, d0
or d0, d1
cmp 15, a1
bls .L36
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setlb
mov d1, (a0)
inc4 a0
mov d1, (a0)
inc4 a0
mov d1, (a0)
inc4 a0
mov d1, (a0)
inc4 a0
add -16, a1
cmp 15, a1
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lhi
.L36:
cmp 3, a1
bls .L41
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setlb
mov d1, (a0)
inc4 a0
add -4, a1
cmp 3, a1
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lhi
.L41:
#endif
cmp 0, a1
beq .Lepilogue
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setlb
movbu d2, (a0)
inc a0
sub 1, a1
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lne
mov d3,a0
.Lepilogue:
ret [d2,d3,a2,a3], 16
.Lend_of_memset:
.size _memset, .Lend_of_memset - _memset
.section .debug_frame,"",@progbits
.Lstart_of_debug_frame:
# Common Information Entry (CIE)
.4byte .Lend_of_CIE - .Lstart_of_CIE # CIE Length
.Lstart_of_CIE:
.4byte 0xffffffff # CIE Identifier Tag
.byte 0x1 # CIE Version
.ascii "\0" # CIE Augmentation
.uleb128 0x1 # CIE Code Alignment Factor
.sleb128 -4 # CIE Data Alignment Factor
.byte 0x32 # CIE RA Column
.byte 0xc # DW_CFA_def_cfa
.uleb128 0x9
.uleb128 0x0
.byte 0xb2 # DW_CFA_offset, column 0x32
.uleb128 0x0
.align 2
.Lend_of_CIE:
# Frame Description Entry (FDE)
.4byte .Lend_of_FDE - .Lstart_of_FDE # FDE Length
.Lstart_of_FDE:
.4byte .Lstart_of_debug_frame # FDE CIE offset
.4byte _memset # FDE initial location
.4byte .Lend_of_memset - _memset # FDE address range
.byte 0x4 # DW_CFA_advance_loc4
.4byte .Lend_of_prologue - _memset
.byte 0xe # DW_CFA_def_cfa_offset
.uleb128 0x4
.byte 0x87 # DW_CFA_offset, column 0x7
.uleb128 0x1
.align 2
.Lend_of_FDE: