ArmPkg/Library/CompilerIntrinsicsLib/Arm/udivmoddi4.S

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   3 # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4 #
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13 #------------------------------------------------------------------------------
  14
  15 \s\s.text
  16 \s\s.align 2
  17 \s\sGCC_ASM_EXPORT(__udivmoddi4)
  18 \s\s
  19 ASM_PFX(__udivmoddi4):
  20 \s\sstmfd\s\ssp!, {r4, r5, r6, r7, lr}
  21 \s\sadd\s\sr7, sp, #12
  22 \s\sstmfd\s\ssp!, {r10, r11}
  23 \s\ssub\s\ssp, sp, #20
  24 \s\sstmia\s\ssp, {r2-r3}
  25 \s\sldr\s\sr6, [sp, #48]
  26 \s\sorrs\s\sr2, r2, r3
  27 \s\smov\s\sr10, r0
  28 \s\smov\s\sr11, r1
  29 \s\sbeq\s\sL2
  30 \s\ssubs\s\sip, r1, #0
  31 \s\sbne\s\sL4
  32 \s\scmp\s\sr3, #0
  33 \s\sbne\s\sL6
  34 \s\scmp\s\sr6, #0
  35 \s\sbeq\s\sL8
  36 \s\smov\s\sr1, r2
  37 \s\sbl\s\sASM_PFX(__umodsi3)
  38 \s\smov\s\sr1, #0
  39 \s\sstmia\s\sr6, {r0-r1}
  40 L8:
  41 \s\sldr\s\sr1, [sp, #0]
  42 \s\smov\s\sr0, r10
  43 \s\sb\s\sL45
  44 L6:
  45 \s\scmp\s\sr6, #0
  46 \s\smovne\s\sr1, #0
  47 \s\sstmneia\s\sr6, {r0-r1}
  48 \s\sb\s\sL2
  49 L4:
  50 \s\sldr\s\sr1, [sp, #0]
  51 \s\scmp\s\sr1, #0
  52 \s\sbne\s\sL12
  53 \s\sldr\s\sr2, [sp, #4]
  54 \s\scmp\s\sr2, #0
  55 \s\sbne\s\sL14
  56 \s\scmp\s\sr6, #0
  57 \s\sbeq\s\sL16
  58 \s\smov\s\sr1, r2
  59 \s\smov\s\sr0, r11
  60 \s\sbl\s\sASM_PFX(__umodsi3)
  61 \s\smov\s\sr1, #0
  62 \s\sstmia\s\sr6, {r0-r1}
  63 L16:
  64 \s\sldr\s\sr1, [sp, #4]
  65 \s\smov\s\sr0, r11
  66 L45:
  67 \s\sbl\s\sASM_PFX(__udivsi3)
  68 L46:
  69 \s\smov\s\sr10, r0
  70 \s\smov\s\sr11, #0
  71 \s\sb\s\sL10
  72 L14:
  73 \s\ssubs\s\sr1, r0, #0
  74 \s\sbne\s\sL18
  75 \s\scmp\s\sr6, #0
  76 \s\sbeq\s\sL16
  77 \s\sldr\s\sr1, [sp, #4]
  78 \s\smov\s\sr0, r11
  79 \s\sbl\s\sASM_PFX(__umodsi3)
  80 \s\smov\s\sr4, r10
  81 \s\smov\s\sr5, r0
  82 \s\sstmia\s\sr6, {r4-r5}
  83 \s\sb\s\sL16
  84 L18:
  85 \s\ssub\s\sr3, r2, #1
  86 \s\stst\s\sr2, r3
  87 \s\sbne\s\sL22
  88 \s\scmp\s\sr6, #0
  89 \s\smovne\s\sr4, r0
  90 \s\sandne\s\sr5, ip, r3
  91 \s\sstmneia\s\sr6, {r4-r5}
  92 L24:
  93 \s\srsb\s\sr3, r2, #0
  94 \s\sand\s\sr3, r2, r3
  95 \s\sclz\s\sr3, r3
  96 \s\srsb\s\sr3, r3, #31
  97 \s\smov\s\sr0, ip, lsr r3
  98 \s\sb\s\sL46
  99 L22:
 100 \s\sclz\s\sr2, r2
 101 \s\sclz\s\sr3, ip
 102 \s\srsb\s\sr3, r3, r2
 103 \s\scmp\s\sr3, #30
 104 \s\sbhi\s\sL48
 105 \s\srsb\s\sr2, r3, #31
 106 \s\sadd\s\slr, r3, #1
 107 \s\smov\s\sr3, r1, asl r2
 108 \s\sstr\s\sr3, [sp, #12]
 109 \s\smov\s\sr3, r1, lsr lr
 110 \s\sldr\s\sr0, [sp, #0]
 111 \s\smov\s\sr5, ip, lsr lr
 112 \s\sorr\s\sr4, r3, ip, asl r2
 113 \s\sstr\s\sr0, [sp, #8]
 114 \s\sb\s\sL29
 115 L12:
 116 \s\sldr\s\sr3, [sp, #4]
 117 \s\scmp\s\sr3, #0
 118 \s\sbne\s\sL30
 119 \s\ssub\s\sr3, r1, #1
 120 \s\stst\s\sr1, r3
 121 \s\sbne\s\sL32
 122 \s\scmp\s\sr6, #0
 123 \s\sandne\s\sr3, r3, r0
 124 \s\smovne\s\sr2, r3
 125 \s\smovne\s\sr3, #0
 126 \s\sstmneia\s\sr6, {r2-r3}
 127 L34:
 128 \s\scmp\s\sr1, #1
 129 \s\sbeq\s\sL10
 130 \s\srsb\s\sr3, r1, #0
 131 \s\sand\s\sr3, r1, r3
 132 \s\sclz\s\sr3, r3
 133 \s\srsb\s\sr0, r3, #31
 134 \s\smov\s\sr1, ip, lsr r0
 135 \s\srsb\s\sr3, r0, #32
 136 \s\smov\s\sr0, r10, lsr r0
 137 \s\sorr\s\sip, r0, ip, asl r3
 138 \s\sstr\s\sr1, [sp, #12]
 139 \s\sstr\s\sip, [sp, #8]
 140 \s\sldrd\s\sr10, [sp, #8]
 141 \s\sb\s\sL10
 142 L32:
 143 \s\sclz\s\sr2, r1
 144 \s\sclz\s\sr3, ip
 145 \s\srsb\s\sr3, r3, r2
 146 \s\srsb\s\sr4, r3, #31
 147 \s\smov\s\sr2, r0, asl r4
 148 \s\smvn\s\sr1, r3
 149 \s\sand\s\sr2, r2, r1, asr #31
 150 \s\sadd\s\slr, r3, #33
 151 \s\sstr\s\sr2, [sp, #8]
 152 \s\sadd\s\sr2, r3, #1
 153 \s\smov\s\sr3, r3, asr #31
 154 \s\sand\s\sr0, r3, r0, asl r1
 155 \s\smov\s\sr3, r10, lsr r2
 156 \s\sorr\s\sr3, r3, ip, asl r4
 157 \s\sand\s\sr3, r3, r1, asr #31
 158 \s\sorr\s\sr0, r0, r3
 159 \s\smov\s\sr3, ip, lsr lr
 160 \s\sstr\s\sr0, [sp, #12]
 161 \s\smov\s\sr0, r10, lsr lr
 162 \s\sand\s\sr5, r3, r2, asr #31
 163 \s\srsb\s\sr3, lr, #31
 164 \s\smov\s\sr3, r3, asr #31
 165 \s\sorr\s\sr0, r0, ip, asl r1
 166 \s\sand\s\sr3, r3, ip, lsr r2
 167 \s\sand\s\sr0, r0, r2, asr #31
 168 \s\sorr\s\sr4, r3, r0
 169 \s\sb\s\sL29
 170 L30:
 171 \s\sclz\s\sr2, r3
 172 \s\sclz\s\sr3, ip
 173 \s\srsb\s\sr3, r3, r2
 174 \s\scmp\s\sr3, #31
 175 \s\sbls\s\sL37
 176 L48:
 177 \s\scmp\s\sr6, #0
 178 \s\sstmneia\s\sr6, {r10-r11}
 179 \s\sb\s\sL2
 180 L37:
 181 \s\srsb\s\sr1, r3, #31
 182 \s\smov\s\sr0, r0, asl r1
 183 \s\sadd\s\slr, r3, #1
 184 \s\smov\s\sr2, #0
 185 \s\sstr\s\sr0, [sp, #12]
 186 \s\smov\s\sr0, r10, lsr lr
 187 \s\sstr\s\sr2, [sp, #8]
 188 \s\ssub\s\sr2, r3, #31
 189 \s\sand\s\sr0, r0, r2, asr #31
 190 \s\smov\s\sr3, ip, lsr lr
 191 \s\sorr\s\sr4, r0, ip, asl r1
 192 \s\sand\s\sr5, r3, r2, asr #31
 193 L29:
 194 \s\smov\s\sip, #0
 195 \s\smov\s\sr10, ip
 196 \s\sb\s\sL40
 197 L41:
 198 \s\sldr\s\sr1, [sp, #12]
 199 \s\sldr\s\sr2, [sp, #8]
 200 \s\smov\s\sr3, r4, lsr #31
 201 \s\sorr\s\sr5, r3, r5, asl #1
 202 \s\smov\s\sr3, r1, lsr #31
 203 \s\sorr\s\sr4, r3, r4, asl #1
 204 \s\smov\s\sr3, r2, lsr #31
 205 \s\sorr\s\sr0, r3, r1, asl #1
 206 \s\sorr\s\sr1, ip, r2, asl #1
 207 \s\sldmia\s\ssp, {r2-r3}
 208 \s\sstr\s\sr0, [sp, #12]
 209 \s\ssubs\s\sr2, r2, r4
 210 \s\ssbc\s\sr3, r3, r5
 211 \s\sstr\s\sr1, [sp, #8]
 212 \s\ssubs\s\sr0, r2, #1
 213 \s\ssbc\s\sr1, r3, #0
 214 \s\smov\s\sr2, r1, asr #31
 215 \s\sldmia\s\ssp, {r0-r1}
 216 \s\smov\s\sr3, r2
 217 \s\sand\s\sip, r2, #1
 218 \s\sand\s\sr3, r3, r1
 219 \s\sand\s\sr2, r2, r0
 220 \s\ssubs\s\sr4, r4, r2
 221 \s\ssbc\s\sr5, r5, r3
 222 \s\sadd\s\sr10, r10, #1
 223 L40:
 224 \s\scmp\s\sr10, lr
 225 \s\sbne\s\sL41
 226 \s\sldrd\s\sr0, [sp, #8]
 227 \s\sadds\s\sr0, r0, r0
 228 \s\sadc\s\sr1, r1, r1
 229 \s\scmp\s\sr6, #0
 230 \s\sorr\s\sr10, r0, ip
 231 \s\smov\s\sr11, r1
 232 \s\sstmneia\s\sr6, {r4-r5}
 233 \s\sb\s\sL10
 234 L2:
 235 \s\smov\s\sr10, #0
 236 \s\smov\s\sr11, #0
 237 L10:
 238 \s\smov\s\sr0, r10
 239 \s\smov\s\sr1, r11
 240 \s\ssub\s\ssp, r7, #20
 241 \s\sldmfd\s\ssp!, {r10, r11}
 242 \s\sldmfd\s\ssp!, {r4, r5, r6, r7, pc}