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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Optimized longlong2str function for Intel 80x86 (gcc/gas syntax) */
/* Some set sequences are optimized for pentuimpro II */
.file "longlong2str.s"
.version "1.01"
.text
.align 4
.globl longlong2str
.type longlong2str,@function
longlong2str:
subl $80,%esp
pushl %ebp
pushl %esi
pushl %edi
pushl %ebx
movl 100(%esp),%esi /* Lower part of val */
movl 104(%esp),%ebp /* Higher part of val */
movl 108(%esp),%edi /* get dst */
movl 112(%esp),%ebx /* Radix */
movl %ebx,%eax
testl %eax,%eax
jge .L144
addl $36,%eax
cmpl $34,%eax
ja .Lerror /* Wrong radix */
testl %ebp,%ebp
jge .L146
movb $45,(%edi) /* Add sign */
incl %edi /* Change sign of val */
negl %esi
adcl $0,%ebp
negl %ebp
.L146:
negl %ebx /* Change radix to positive */
jmp .L148
.p2align 4,,7
.L144:
addl $-2,%eax
cmpl $34,%eax
ja .Lerror /* Radix in range */
.L148:
movl %esi,%eax /* Test if zero (for easy loop) */
orl %ebp,%eax
jne .L150
movb $48,(%edi)
incl %edi
jmp .L164
.p2align 4,,7
.L150:
leal 92(%esp),%ecx /* End of buffer */
jmp .L155
.p2align 4,,7
.L153:
/* val is stored in in ebp:esi */
movl %ebp,%eax /* High part of value */
xorl %edx,%edx
divl %ebx
movl %eax,%ebp
movl %esi,%eax
divl %ebx
movl %eax,%esi /* quotent in ebp:esi */
movb _dig_vec(%edx),%al /* al is faster than dl */
decl %ecx
movb %al,(%ecx) /* store value in buff */
.p2align 4,,7
.L155:
testl %ebp,%ebp
ja .L153
testl %esi,%esi /* rest value */
jl .L153
je .L160 /* Ready */
movl %esi,%eax
movl $_dig_vec,%ebp
.p2align 4,,7
.L154: /* Do rest with integer precision */
cltd
divl %ebx
decl %ecx
movb (%edx,%ebp),%dl /* bh is always zero as ebx=radix < 36 */
testl %eax,%eax
movb %dl,(%ecx)
jne .L154
.L160:
movl %ecx,%esi
leal 92(%esp),%ecx /* End of buffer */
subl %esi,%ecx
rep
movsb
.L164:
movl %edi,%eax /* Pointer to end null */
movb $0,(%edi) /* Store the end null */
.L165:
popl %ebx
popl %edi
popl %esi
popl %ebp
addl $80,%esp
ret
.Lerror:
xorl %eax,%eax /* Wrong radix */
jmp .L165
.Lfe3:
.size longlong2str,.Lfe3-longlong2str
.globl longlong10_to_str
.type longlong10_str,@function
longlong10_to_str:
jmp longlong2str
.L10end:
.size longlong10_to_str,.L10end-longlong10_to_str
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