| 1 | 734 | jeremybenn | /* Libgcc Target specific implementation.
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         | 2 |  |  |    Copyright (C) 2012 Free Software Foundation, Inc.
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         | 3 |  |  |    Contributed by KPIT Cummins Infosystems Limited.
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         | 4 |  |  |  
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         | 5 |  |  |    This file is part of GCC.
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         | 6 |  |  |  
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         | 7 |  |  |    GCC is free software; you can redistribute it and/or modify it under
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         | 8 |  |  |    the terms of the GNU General Public License as published by the Free
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         | 9 |  |  |    Software Foundation; either version 3, or (at your option) any later
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         | 10 |  |  |    version.
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         | 11 |  |  |  
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         | 12 |  |  |    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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         | 13 |  |  |    WARRANTY; without even the implied warranty of MERCHANTABILITY or
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         | 14 |  |  |    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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         | 15 |  |  |    for more details.
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         | 16 |  |  |  
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         | 17 |  |  |    Under Section 7 of GPL version 3, you are granted additional
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         | 18 |  |  |    permissions described in the GCC Runtime Library Exception, version
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         | 19 |  |  |    3.1, as published by the Free Software Foundation.
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         | 20 |  |  |  
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         | 21 |  |  |    You should have received a copy of the GNU General Public License and
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         | 22 |  |  |    a copy of the GCC Runtime Library Exception along with this program;
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         | 23 |  |  |    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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         | 24 |  |  |    .  */
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         | 25 |  |  |  
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         | 26 |  |  | #ifdef  L_mulsi3
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         | 27 |  |  |         .text
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         | 28 |  |  |         .align  4
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         | 29 |  |  |         .globl  ___mulsi3
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         | 30 |  |  | ___mulsi3:
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         | 31 |  |  |         movw    r4,r0
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         | 32 |  |  |         movw    r2,r1
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         | 33 |  |  |         /* Extended multiplication between the 2 lower words */
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         | 34 |  |  |         muluw   r1,(r1,r0)
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         | 35 |  |  |  
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         | 36 |  |  |         /* Multiply the lower word of each parameter  */
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         | 37 |  |  |         mulw    r2,r5
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         | 38 |  |  |  
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         | 39 |  |  |         /* With the higher word of the other  */
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         | 40 |  |  |         mulw    r3,r4
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         | 41 |  |  |  
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         | 42 |  |  |         /* Add products to the higher part of the final result  */
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         | 43 |  |  |         addw    r4,r1
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         | 44 |  |  |         addw    r5,r1
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         | 45 |  |  |         jump    (ra)
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         | 46 |  |  | #endif
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         | 47 |  |  |  
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         | 48 |  |  | #ifdef L_divdi3
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         | 49 |  |  |         .text
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         | 50 |  |  |         .align 4
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         | 51 |  |  |         .globl ___divdi3
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         | 52 |  |  |  
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         | 53 |  |  | ___divdi3:
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         | 54 |  |  |         push    $4, r7, ra
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         | 55 |  |  |  
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         | 56 |  |  |         /* Param #1 Long Long low bit first */
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         | 57 |  |  |         loadd   12(sp), (r1, r0)
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         | 58 |  |  |         loadd   16(sp), (r3, r2)
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         | 59 |  |  |  
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         | 60 |  |  |         /* Param #2 Long Long low bit first */
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         | 61 |  |  |         loadd   20(sp), (r5, r4)
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         | 62 |  |  |         loadd   24(sp), (r7, r6)
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         | 63 |  |  |  
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         | 64 |  |  |         /* Set neg to 0 */
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         | 65 |  |  |         movw $0, r10
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         | 66 |  |  |  
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         | 67 |  |  |         subd $16, (sp)
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         | 68 |  |  |  
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         | 69 |  |  |         /* Compare if param1 is greater than 0 */
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         | 70 |  |  |         cmpw $0, r3
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         | 71 |  |  |         ble L4
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         | 72 |  |  |  
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         | 73 |  |  |         /* Invert param1 and neg */
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         | 74 |  |  |         movd $-1, (r9, r8)      /* Temp set to FFFFFFFF */
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         | 75 |  |  |         xord (r9, r8), (r1, r0) /* Xor low bits of param 1 with temp */
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         | 76 |  |  |         xord (r9, r8), (r3, r2) /* Xor high bits of param 1 with temp */
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         | 77 |  |  |         addd $1, (r1, r0)       /* Add 1 to low bits of param 1 */
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         | 78 |  |  |         xorw $1, r10            /* Invert neg */
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         | 79 |  |  |         bcc L4                  /* If no carry occurred go to L4 */
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         | 80 |  |  |         addd $1, (r3, r2)       /* Add 1 to high bits of param 1 */
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         | 81 |  |  |  
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         | 82 |  |  | L4:     stord (r1, r0), 0(sp)
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         | 83 |  |  |         stord (r3, r2), 4(sp)
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         | 84 |  |  |  
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         | 85 |  |  |         /* Compare if param2 is greater than 0 */
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         | 86 |  |  |         cmpw $0, r7
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         | 87 |  |  |         ble L5
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         | 88 |  |  |  
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         | 89 |  |  |         /* Invert param2 and neg */
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         | 90 |  |  |         movd $-1, (r9, r8)      /* Temp set to FFFFFFFF */
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         | 91 |  |  |         xord (r9, r8), (r5, r4) /* Xor low bits of param 2 with temp */
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         | 92 |  |  |         xord (r9, r8), (r7, r6) /* Xor high bits of param 2 with temp */
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         | 93 |  |  |         addd $1, (r5, r4)       /* Add 1 to low bits of param 2 */
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         | 94 |  |  |         xorw $1, r10            /* Invert neg */
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         | 95 |  |  |         bcc L5                  /* If no carry occurred go to L5 */
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         | 96 |  |  |         addd $1, (r7, r6)       /* Add 1 to high bits of param 2 */
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         | 97 |  |  |  
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         | 98 |  |  | L5:     stord (r5, r4), 8(sp)
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         | 99 |  |  |         stord (r7, r6), 12(sp)
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         | 100 |  |  |         movw $0, r2
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         | 101 |  |  |  
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         | 102 |  |  |         /* Call udivmoddi3 */
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         | 103 |  |  | #ifdef __PIC__
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         | 104 |  |  |         loadd   ___udivmoddi3@cGOT(r12), (r1,r0)
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         | 105 |  |  |         jal     (r1,r0)
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         | 106 |  |  | #else
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         | 107 |  |  |         bal (ra), ___udivmoddi3
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         | 108 |  |  | #endif
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         | 109 |  |  |  
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         | 110 |  |  |         /* If (neg) */
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         | 111 |  |  |         addd    $16, (sp)
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         | 112 |  |  |         cmpw $0, r10            /* Compare 0 with neg */
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         | 113 |  |  |         beq Lexit__
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         | 114 |  |  |  
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         | 115 |  |  |         /* Neg = -Neg */
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         | 116 |  |  |         xord (r9, r8), (r1, r0) /* Xor low bits of ures with temp */
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         | 117 |  |  |         xord (r9, r8), (r3, r2) /* Xor high bits of ures with temp */
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         | 118 |  |  |         addd $1, (r1, r0)       /* Add 1 to low bits of ures */
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         | 119 |  |  |         bcc Lexit__
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         | 120 |  |  |         addd $1, (r3, r2)       /* Add 1 to high bit of ures */
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         | 121 |  |  |  
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         | 122 |  |  | Lexit__:
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         | 123 |  |  | #  ifdef __ID_SHARED_LIB__
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         | 124 |  |  |         pop     $2, r12
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         | 125 |  |  | #  endif
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         | 126 |  |  |         popret $4, r7, ra
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         | 127 |  |  | #endif
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         | 128 |  |  |  
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         | 129 |  |  | #ifdef L_lshrdi3
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         | 130 |  |  |         .text
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         | 131 |  |  |         .align 4
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         | 132 |  |  |         .globl ___lshrdi3
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         | 133 |  |  |  
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         | 134 |  |  | ___lshrdi3:
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         | 135 |  |  |         push    $3, r7
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         | 136 |  |  |  
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         | 137 |  |  |         /* Load parameters from stack in this order */
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         | 138 |  |  |         movw r2, r6             /* Number of shifts */
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         | 139 |  |  |         loadd   6(sp), (r1, r0) /* Low bits */
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         | 140 |  |  |         loadd   10(sp), (r3, r2)/* High bits */
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         | 141 |  |  |  
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         | 142 |  |  |         xorw $-1, r6            /* Invert number of shifts */
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         | 143 |  |  |         addw $1, r6             /* Add 1 by number of shifts */
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         | 144 |  |  |  
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         | 145 |  |  |         movw r6, r7             /* Copy number of shifts */
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         | 146 |  |  |  
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         | 147 |  |  |         tbit $15, r6            /* Test if number is negative */
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         | 148 |  |  |         bfs L2                  /* If negative jump to L2 */
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         | 149 |  |  |  
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         | 150 |  |  |         movd (r1, r0), (r9, r8) /* Copy low bits */
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         | 151 |  |  |  
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         | 152 |  |  |         subw $32, r7            /* Calc how many bits will overflow */
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         | 153 |  |  |         /* Shift the temp low bit to the right to see the overflowing bits  */
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         | 154 |  |  |         lshd r7, (r9, r8)
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         | 155 |  |  |  
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         | 156 |  |  |         cmpw $32, r6            /* If number of shifts is higher than 31 */
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         | 157 |  |  |         blt L1                  /* Shift by moving */
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         | 158 |  |  |  
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         | 159 |  |  |         lshd r6, (r3, r2)       /* Shift high bits */
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         | 160 |  |  |         lshd r6, (r1, r0)       /* Shift low bits */
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         | 161 |  |  |         addd (r9, r8), (r3, r2) /* Add overflow to the high bits */
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         | 162 |  |  |         popret  $3, r7          /* Return */
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         | 163 |  |  |  
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         | 164 |  |  | L1:     movd $0, (r1, r0)       /* Reset low bit */
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         | 165 |  |  |         movd (r9, r8), (r3, r2) /* Add the overflow from the low bit */
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         | 166 |  |  |         popret  $3, r7          /* Return */
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         | 167 |  |  |  
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         | 168 |  |  | L2:     movd (r3, r2), (r9, r8) /* Copy high bits */
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         | 169 |  |  |  
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         | 170 |  |  |         addw $32, r7            /* Calc how many bits will overflow */
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         | 171 |  |  |         /* Shift the temp low bit to the left to see the overflowing bits  */
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         | 172 |  |  |         lshd r7, (r9, r8)
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         | 173 |  |  |  
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         | 174 |  |  |         cmpw $-32, r6           /* If number of shifts is lower than -31 */
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         | 175 |  |  |         bgt L3                  /* Shift by moving */
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         | 176 |  |  |  
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         | 177 |  |  |         lshd r6, (r1, r0)       /* Shift low bits */
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         | 178 |  |  |         lshd r6, (r3, r2)       /* Shift high bits */
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         | 179 |  |  |         addd (r9, r8), (r1, r0) /* Add overflow to the low bits */
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         | 180 |  |  |         popret  $3, r7          /* Return */
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         | 181 |  |  |  
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         | 182 |  |  | L3:     movd $0, (r3, r2)       /* Reset the high bit */
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         | 183 |  |  |         movd (r9, r8), (r1, r0) /* Add the overflow from the high bit */
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         | 184 |  |  |         popret  $3, r7          /* Return */
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         | 185 |  |  | #endif
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         | 186 |  |  |  
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         | 187 |  |  | #ifdef L_moddi3
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         | 188 |  |  |         .text
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         | 189 |  |  |         .align 4
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         | 190 |  |  |         .globl ___moddi3
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         | 191 |  |  |  
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         | 192 |  |  | ___moddi3:
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         | 193 |  |  |         push    $4, r7, ra
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         | 194 |  |  |  
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         | 195 |  |  |         /* Param #1 Long Long low bit first */
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         | 196 |  |  |         loadd   12(sp), (r1, r0)
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         | 197 |  |  |         loadd   16(sp), (r3, r2)
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         | 198 |  |  |  
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         | 199 |  |  |         /* Param #2 Long Long low bit first */
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         | 200 |  |  |         loadd   20(sp), (r5, r4)
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         | 201 |  |  |         loadd   24(sp), (r7, r6)
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         | 202 |  |  |  
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         | 203 |  |  |         subd    $18, (sp)
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         | 204 |  |  |  
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         | 205 |  |  |         /* Set neg to 0 */
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         | 206 |  |  |         storw $0, 16(sp)
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         | 207 |  |  |  
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         | 208 |  |  |         movd    $-1, (r9, r8)   /* Temp set to FFFFFFFF */
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         | 209 |  |  |  
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         | 210 |  |  |         /* Compare if param1 is greater than 0 */
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         | 211 |  |  |         cmpw $0, r3
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         | 212 |  |  |         ble L4
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         | 213 |  |  |  
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         | 214 |  |  |         /* Invert param1 and neg */
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         | 215 |  |  |         xord (r9, r8), (r1, r0) /* Xor low bits of param 1 with temp */
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         | 216 |  |  |         xord (r9, r8), (r3, r2) /* Xor high bits of param 1 with temp */
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         | 217 |  |  |         addd $1, (r1, r0)       /* Add 1 to low bits of param 1 */
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         | 218 |  |  |         storw $1, 16(sp)
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         | 219 |  |  |         bcc L4                  /* If no carry occurred go to L4 */
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         | 220 |  |  |         addd $1, (r3, r2)       /* Add 1 to high bits of param 1 */
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         | 221 |  |  |  
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         | 222 |  |  | L4:     stord (r1, r0), 0(sp)
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         | 223 |  |  |         stord (r3, r2), 4(sp)
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         | 224 |  |  |  
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         | 225 |  |  |         /* Compare if param2 is greater than 0 */
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         | 226 |  |  |         cmpw $0, r7
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         | 227 |  |  |         ble L5
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         | 228 |  |  |  
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         | 229 |  |  |         /* Invert param2 and neg */
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         | 230 |  |  |         xord (r9, r8), (r5, r4) /* Xor low bits of param 2 with temp */
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         | 231 |  |  |         xord (r9, r8), (r7, r6) /* Xor high bits of param 2 with temp */
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         | 232 |  |  |         addd $1, (r5, r4)       /* Add 1 to low bits of param 2 */
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         | 233 |  |  |         bcc L5                  /* If no carry occurred go to L5 */
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         | 234 |  |  |         addd $1, (r7, r6)       /* Add 1 to high bits of param 2 */
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         | 235 |  |  |  
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         | 236 |  |  | L5:     stord (r5, r4), 8(sp)
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         | 237 |  |  |         stord (r7, r6), 12(sp)
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         | 238 |  |  |         movw $1, r2
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         | 239 |  |  |  
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         | 240 |  |  |         /* Call udivmoddi3 */
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         | 241 |  |  | #ifdef __PIC__
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         | 242 |  |  |         loadd   ___udivmoddi3@cGOT(r12), (r1,r0)
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         | 243 |  |  |         jal     (r1,r0)
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         | 244 |  |  | #else
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         | 245 |  |  |         bal (ra), ___udivmoddi3
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         | 246 |  |  | #endif
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         | 247 |  |  |  
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         | 248 |  |  |         /* If (neg) */
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         | 249 |  |  |         loadw 16(sp), r10       /* Load neg from stack */
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         | 250 |  |  |         addd    $18, (sp)
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         | 251 |  |  |         cmpw $0, r10            /* Compare 0 with neg */
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         | 252 |  |  |         beq     Lexit__
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         | 253 |  |  |  
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         | 254 |  |  |         /* Neg = -Neg */
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         | 255 |  |  |         xord (r9, r8), (r1, r0) /* Xor low bits of ures with temp */
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         | 256 |  |  |         xord (r9, r8), (r3, r2) /* Xor high bits of ures with temp */
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         | 257 |  |  |         addd $1, (r1, r0)       /* Add 1 to low bits of ures */
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         | 258 |  |  |         bcc     Lexit__
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         | 259 |  |  |         addd $1, (r3, r2)       /* Add 1 to high bit of ures */
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         | 260 |  |  | Lexit__:
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         | 261 |  |  | #  ifdef __ID_SHARED_LIB__
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         | 262 |  |  |         pop     $2, r12
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         | 263 |  |  | #  endif
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         | 264 |  |  |         popret  $4, r7, ra
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         | 265 |  |  | #endif
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         | 266 |  |  |  
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         | 267 |  |  | #ifdef L_muldi3
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         | 268 |  |  |         .text
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         | 269 |  |  |         .align 4
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         | 270 |  |  |         .globl ___muldi3
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         | 271 |  |  |  
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         | 272 |  |  | ___muldi3:
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         | 273 |  |  |         push    $2, r13
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         | 274 |  |  |         push    $7, r7
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         | 275 |  |  |  
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         | 276 |  |  |         /* Param #1 Long Long low bit first */
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         | 277 |  |  |         loadd   18(sp), (r1, r0)
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         | 278 |  |  |         loadd   22(sp), (r3, r2)
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         | 279 |  |  |  
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         | 280 |  |  |         /* Param #2 Long Long low bit first */
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         | 281 |  |  |         loadd   26(sp), (r5, r4)
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         | 282 |  |  |         loadd   30(sp), (r7, r6)
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         | 283 |  |  |  
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         | 284 |  |  |         /* Clear r13, r12 */
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         | 285 |  |  |         movd $0, (r12)
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         | 286 |  |  |         movd $0, (r13)
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         | 287 |  |  |  
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         | 288 |  |  |         /* Set neg */
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         | 289 |  |  |         movw $0, r10
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         | 290 |  |  |  
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         | 291 |  |  |         /* Compare if param1 is greater than 0 */
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         | 292 |  |  |         cmpw $0, r3
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         | 293 |  |  |         ble L1
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         | 294 |  |  |  
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         | 295 |  |  |         /* Invert param1 and neg */
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         | 296 |  |  |         movd $-1, (r9, r8)      /* Temp set to FFFFFFFF */
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         | 297 |  |  |         xord (r9, r8), (r1, r0) /* Xor low bits of param 1 with temp */
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         | 298 |  |  |         xord (r9, r8), (r3, r2) /* Xor high bits of param 1 with temp */
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         | 299 |  |  |         addd $1, (r1, r0)       /* Add 1 to low bits of param 1 */
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         | 300 |  |  |         xorw $1, r10            /* Invert neg */
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         | 301 |  |  |         bcc L1                  /* If no carry occurred go to L1 */
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         | 302 |  |  |         addd $1, (r3, r2)       /* Add 1 to high bits of param 1 */
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         | 303 |  |  |  
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         | 304 |  |  | L1:     /* Compare if param2 is greater than 0 */
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         | 305 |  |  |         cmpw $0, r7
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         | 306 |  |  |         ble L2
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         | 307 |  |  |  
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         | 308 |  |  |         /* Invert param2 and neg */
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         | 309 |  |  |         movd $-1, (r9, r8)      /* Temp set to FFFFFFFF */
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         | 310 |  |  |         xord (r9, r8), (r5, r4) /* Xor low bits of param 2 with temp */
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         | 311 |  |  |         xord (r9, r8), (r7, r6) /* Xor high bits of param 2 with temp */
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         | 312 |  |  |         addd $1, (r5, r4)       /* Add 1 to low bits of param 2 */
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         | 313 |  |  |         xorw $1, r10            /* Invert neg */
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         | 314 |  |  |         bcc L2                  /* If no carry occurred go to L2 */
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         | 315 |  |  |         addd $1, (r7, r6)       /* Add 1 to high bits of param 2 */
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         | 316 |  |  |  
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         | 317 |  |  | L2:     storw r10, 18(sp)       /* Store neg to stack so we can use r10 */
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         | 318 |  |  |  
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         | 319 |  |  |         /* B*D */
 | 
      
         | 320 |  |  |         /* Bl*Dl */
 | 
      
         | 321 |  |  |         macuw r0, r4, (r12)     /* Multiply r0 and r4 and add to r12 */
 | 
      
         | 322 |  |  |  
 | 
      
         | 323 |  |  |         /* Bh*Dl */
 | 
      
         | 324 |  |  |         movd $0, (r9, r8)       /* Clear r9, r8 */
 | 
      
         | 325 |  |  |         macuw r1, r4, (r9, r8)  /* Multiply Bh*Dl and add result to (r9, r8) */
 | 
      
         | 326 |  |  |         movw r9,  r10           /* Shift left: r9 to r10 */
 | 
      
         | 327 |  |  |         lshd $16, (r9, r8)      /* Shift left: r8 to r9 */
 | 
      
         | 328 |  |  |         movw $0, r11            /* Clear r11 */
 | 
      
         | 329 |  |  |         addd (r9, r8), (r12)    /* Add (r9, r8) to r12 */
 | 
      
         | 330 |  |  |         bcc L3                  /* If no carry occurred go to L3 */
 | 
      
         | 331 |  |  |         addd $1, (r13)          /* If carry occurred add 1 to r13 */
 | 
      
         | 332 |  |  |  
 | 
      
         | 333 |  |  | L3:     addd (r11, r10), (r13)  /* Add (r11, r10) to r13 */
 | 
      
         | 334 |  |  |  
 | 
      
         | 335 |  |  |         /* Bl*Dh */
 | 
      
         | 336 |  |  |         movd $0, (r9, r8)       /* Clear (r9, r8) */
 | 
      
         | 337 |  |  |         macuw r0, r5, (r9, r8)  /* Multiply r0 and r5 and stor in (r9, r8) */
 | 
      
         | 338 |  |  |         movw r9, r10            /* Shift left: r9 to r10 */
 | 
      
         | 339 |  |  |         lshd $16, (r9, r8)      /* Shift left: r8 to r9 */
 | 
      
         | 340 |  |  |         addd (r9, r8), (r12)    /* Add (r9, r8) to r12 */
 | 
      
         | 341 |  |  |         bcc L4                  /* If no carry occurred go to L4 */
 | 
      
         | 342 |  |  |         addd $1, (r13)          /* If carry occurred add 1 to r13 */
 | 
      
         | 343 |  |  |  
 | 
      
         | 344 |  |  | L4:     addd (r11, r10), (r13)  /* Add (r11, r10) to r13 */
 | 
      
         | 345 |  |  |  
 | 
      
         | 346 |  |  |         /* Bh*Dh */
 | 
      
         | 347 |  |  |         movd $0, (r9, r8)       /* Clear (r9, r8) */
 | 
      
         | 348 |  |  |         macuw r1, r5, (r9, r8)  /* Multiply r1 and r5 and add to r13 */
 | 
      
         | 349 |  |  |         addd (r9, r8), (r13)    /* Add (r9, r8) to result */
 | 
      
         | 350 |  |  |  
 | 
      
         | 351 |  |  |         /* A*D */
 | 
      
         | 352 |  |  |         /* Al*Dl */
 | 
      
         | 353 |  |  |         movd $0, (r11, r10)     /* Clear (r11, r10) */
 | 
      
         | 354 |  |  |         macuw r2, r4, (r11, r10)/* Multiply r2 and r4 and add to (r11, r10) */
 | 
      
         | 355 |  |  |  
 | 
      
         | 356 |  |  |         addd (r13), (r11, r10)  /* Copy r13 to (r11, r10) */
 | 
      
         | 357 |  |  |  
 | 
      
         | 358 |  |  |         /* Al*Dh */
 | 
      
         | 359 |  |  |         movd $0, (r9, r8)       /* Clear (r9, r8) */
 | 
      
         | 360 |  |  |         macuw r2, r5, (r9, r8)  /* Multiply r2 and r5 and add to (r9, r8) */
 | 
      
         | 361 |  |  |         addw r8, r11            /* Add r8 to r11 */
 | 
      
         | 362 |  |  |  
 | 
      
         | 363 |  |  |         /* Ah*Dl */
 | 
      
         | 364 |  |  |         muluw r3, (r5, r4)      /* Multiply r3 and r4 and stor in (r5, r4) */
 | 
      
         | 365 |  |  |         addw r4, r11            /* Add r4 to r11 */
 | 
      
         | 366 |  |  |  
 | 
      
         | 367 |  |  |         /* B*C */
 | 
      
         | 368 |  |  |         /* Bl*Cl */
 | 
      
         | 369 |  |  |         movd $0, (r9, r8)       /* Clear (r9, r8) */
 | 
      
         | 370 |  |  |         macuw r0, r6, (r9, r8)  /* Multiply r0 and r6 and add to (r9, r8) */
 | 
      
         | 371 |  |  |         addd (r9, r8), (r11, r10)/* Add (r9, r8) to result */
 | 
      
         | 372 |  |  |  
 | 
      
         | 373 |  |  |         /* Bl*Ch */
 | 
      
         | 374 |  |  |         movd $0, (r9, r8)       /* Clear (r9, r8) */
 | 
      
         | 375 |  |  |         macuw r0, r7, (r9, r8)  /* Multiply r0 and r7 and add to (r9, r8) */
 | 
      
         | 376 |  |  |         addw r8, r11            /* Add r8 to r11 */
 | 
      
         | 377 |  |  |  
 | 
      
         | 378 |  |  |         loadw 18(sp), r8        /* Load neg from stack */
 | 
      
         | 379 |  |  |  
 | 
      
         | 380 |  |  |         /* Bh*Cl */
 | 
      
         | 381 |  |  |         muluw r1, (r7, r6)      /* Multiply r1 and r6 and stor in (r7, r6) */
 | 
      
         | 382 |  |  |         addw r6, r11            /* Add r6 to r11 */
 | 
      
         | 383 |  |  |  
 | 
      
         | 384 |  |  | E1:     movd (r11, r10), (r3, r2)
 | 
      
         | 385 |  |  |         movd (r12), (r1, r0)
 | 
      
         | 386 |  |  |  
 | 
      
         | 387 |  |  |         /* If (neg) */
 | 
      
         | 388 |  |  |         cmpw $0, r8             /* Compare 0 with neg */
 | 
      
         | 389 |  |  |         beq     Lexit__
 | 
      
         | 390 |  |  |  
 | 
      
         | 391 |  |  |         /* Neg = -Neg */
 | 
      
         | 392 |  |  |         movd $-1, (r9, r8)      /* Temp set to FFFFFFFF */
 | 
      
         | 393 |  |  |         xord (r9, r8), (r1, r0) /* Xor low bits of result with temp */
 | 
      
         | 394 |  |  |         xord (r9, r8), (r3, r2) /* Xor high bits of result with temp */
 | 
      
         | 395 |  |  |         addd $1, (r1, r0)       /* Add 1 to low bits of result */
 | 
      
         | 396 |  |  |         bcc     Lexit__
 | 
      
         | 397 |  |  |         addd $1, (r3, r2)       /* Add 1 to high bit of result */
 | 
      
         | 398 |  |  | Lexit__:
 | 
      
         | 399 |  |  |         pop     $7, r7
 | 
      
         | 400 |  |  |         popret  $2, r13
 | 
      
         | 401 |  |  | #endif
 | 
      
         | 402 |  |  |  
 | 
      
         | 403 |  |  | #ifdef L_negdi2
 | 
      
         | 404 |  |  |         .text
 | 
      
         | 405 |  |  |         .align 4
 | 
      
         | 406 |  |  |         .globl ___negdi2
 | 
      
         | 407 |  |  |  
 | 
      
         | 408 |  |  | ___negdi2:
 | 
      
         | 409 |  |  |         /* Load parameter from the registers in this order */
 | 
      
         | 410 |  |  |         loadd 0(sp), (r1, r0)
 | 
      
         | 411 |  |  |         loadd 4(sp), (r3, r2)
 | 
      
         | 412 |  |  |  
 | 
      
         | 413 |  |  |         movd $-1, (r6, r5)      /* Set temp to FFFFFFFF */
 | 
      
         | 414 |  |  |         xord (r6, r5), (r1, r0) /* Xor low bits with temp */
 | 
      
         | 415 |  |  |         xord (r6, r5), (r3, r2) /* Xor high bits with temp */
 | 
      
         | 416 |  |  |         addd $1, (r1, r0)       /* Add one */
 | 
      
         | 417 |  |  |         jcc (ra)
 | 
      
         | 418 |  |  |         addd $1, (r3, r2)       /* Add the carry to the high bits */
 | 
      
         | 419 |  |  |         jump (ra)
 | 
      
         | 420 |  |  | #endif
 | 
      
         | 421 |  |  |  
 | 
      
         | 422 |  |  | #ifdef L_udivdi3
 | 
      
         | 423 |  |  |         .text
 | 
      
         | 424 |  |  |         .align 4
 | 
      
         | 425 |  |  |         .globl ___udivdi3
 | 
      
         | 426 |  |  |  
 | 
      
         | 427 |  |  | ___udivdi3:
 | 
      
         | 428 |  |  |         movw $0, r2
 | 
      
         | 429 |  |  |         br ___udivmoddi3
 | 
      
         | 430 |  |  | #endif
 | 
      
         | 431 |  |  |  
 | 
      
         | 432 |  |  | #ifdef L_udivmoddi3
 | 
      
         | 433 |  |  |         .text
 | 
      
         | 434 |  |  |         .align 4
 | 
      
         | 435 |  |  |         .globl ___udivmoddi3
 | 
      
         | 436 |  |  |  
 | 
      
         | 437 |  |  | ___udivmoddi3:
 | 
      
         | 438 |  |  |         push    $2, r13
 | 
      
         | 439 |  |  |         push    $7, r7
 | 
      
         | 440 |  |  |  
 | 
      
         | 441 |  |  |         /* Param #1 Long Long low bit first */
 | 
      
         | 442 |  |  |         loadd   18(sp), (r1, r0)
 | 
      
         | 443 |  |  |         storw   r2, 18(sp)      /* Store modulo on stack */
 | 
      
         | 444 |  |  |         loadd   22(sp), (r3, r2)
 | 
      
         | 445 |  |  |  
 | 
      
         | 446 |  |  |         /* Param #2 Long Long low bit first */
 | 
      
         | 447 |  |  |         loadd   26(sp), (r5, r4)
 | 
      
         | 448 |  |  |         loadd   30(sp), (r7, r6)
 | 
      
         | 449 |  |  |  
 | 
      
         | 450 |  |  |         /* Set ures to 0 */
 | 
      
         | 451 |  |  |         movd $0, (r13)
 | 
      
         | 452 |  |  |         movd $0, (r12)
 | 
      
         | 453 |  |  |  
 | 
      
         | 454 |  |  |         cmpd (r12), (r5, r4)
 | 
      
         | 455 |  |  |         beq LE
 | 
      
         | 456 |  |  |  
 | 
      
         | 457 |  |  | L5:     movd $1, (r9, r8)       /* Store 1 in low bits from bit */
 | 
      
         | 458 |  |  |         movd $0, (r11, r10)     /* Store 0 in high bits from bit */
 | 
      
         | 459 |  |  |  
 | 
      
         | 460 |  |  | L6:     /* While (den < num && (!den & (1LL<<63))) */
 | 
      
         | 461 |  |  |         /* Compare high bits from param 1 and param 2 */
 | 
      
         | 462 |  |  |         cmpd (r7, r6), (r3, r2)
 | 
      
         | 463 |  |  |         bhi L10                 /* If param 2 is greater go to L10 */
 | 
      
         | 464 |  |  |         bne L8                  /* If param 1 is greater go to L8 */
 | 
      
         | 465 |  |  |         cmpd (r5, r4), (r1, r0) /* Compare low bits from param 1 and param 2 */
 | 
      
         | 466 |  |  |         /*  If param 2 is greater or the same go to L1 */
 | 
      
         | 467 |  |  |         bhs L10
 | 
      
         | 468 |  |  |  
 | 
      
         | 469 |  |  | L8:     /* Check if most significant bit of param 2 is set */
 | 
      
         | 470 |  |  |         tbit $15, r7
 | 
      
         | 471 |  |  |         bfs L10                 /* If PSR is set go to L10 */
 | 
      
         | 472 |  |  |  
 | 
      
         | 473 |  |  |         /* Shift bit */
 | 
      
         | 474 |  |  |         lshd $1, (r11, r10)     /* Shift left: high bits of bit */
 | 
      
         | 475 |  |  |         /* Check if most significant bit of bit is set */
 | 
      
         | 476 |  |  |         tbit $15, r9
 | 
      
         | 477 |  |  |         lshd $1, (r9, r8)       /* Shift left: low bits of bit */
 | 
      
         | 478 |  |  |         bfs L28                 /* If PSR is set go to L28 */
 | 
      
         | 479 |  |  |  
 | 
      
         | 480 |  |  | L9:     /* Shift b */
 | 
      
         | 481 |  |  |         lshd $1, (r7, r6)       /* Shift left: high bits of param 2 */
 | 
      
         | 482 |  |  |         /* Check if most significant bit of param 2 is set */
 | 
      
         | 483 |  |  |         tbit $15, r5
 | 
      
         | 484 |  |  |         lshd $1, (r5, r4)       /* Shift left: low bits of param 2 */
 | 
      
         | 485 |  |  |         bfc L6                  /* If PSR is set go to L6 */
 | 
      
         | 486 |  |  |         addw $1, r6             /* Add 1 to the highest bits of b */
 | 
      
         | 487 |  |  |         br L6                   /* Go to L6 */
 | 
      
         | 488 |  |  |  
 | 
      
         | 489 |  |  | L10:    /* While (bit) */
 | 
      
         | 490 |  |  |         cmpd $0, (r11, r10)
 | 
      
         | 491 |  |  |         bne L11
 | 
      
         | 492 |  |  |         cmpd $0, (r9, r8)
 | 
      
         | 493 |  |  |         beq E1
 | 
      
         | 494 |  |  |  
 | 
      
         | 495 |  |  | L11:    /* If (num >= den) */
 | 
      
         | 496 |  |  |         cmpd (r3, r2), (r7, r6) /* Compare high bits of param 1 and param 2 */
 | 
      
         | 497 |  |  |         blo L15                 /* If param 1 lower than param 2 go to L15 */
 | 
      
         | 498 |  |  |         bne L12                 /* If not equal go to L12 */
 | 
      
         | 499 |  |  |         cmpd (r1, r0), (r5, r4) /* Compare low bits of param 1 and param 2 */
 | 
      
         | 500 |  |  |         blo L15                 /* If param 1 lower than param 2 go to L15 */
 | 
      
         | 501 |  |  |  
 | 
      
         | 502 |  |  | L12:    /* Ures |= bit */
 | 
      
         | 503 |  |  |         ord (r11, r10), (r13)
 | 
      
         | 504 |  |  |         ord (r9, r8), (r12)
 | 
      
         | 505 |  |  |  
 | 
      
         | 506 |  |  |         /* Num -= den */
 | 
      
         | 507 |  |  |         subd (r7, r6), (r3, r2) /* Subtract highest 32 bits from each other */
 | 
      
         | 508 |  |  |         subd (r5, r4), (r1, r0) /* Subtract lowest 32 bits from each other */
 | 
      
         | 509 |  |  |         bcc L15                 /* If no carry occurred go to L15 */
 | 
      
         | 510 |  |  |         subd $1, (r3, r2)       /* Subtract the carry */
 | 
      
         | 511 |  |  |  
 | 
      
         | 512 |  |  | L15:    /* Shift bit to the right */
 | 
      
         | 513 |  |  |         lshd $-1, (r9, r8)      /* Shift right: low bits of bit */
 | 
      
         | 514 |  |  |         /* Check if least significant bit of high bits is set */
 | 
      
         | 515 |  |  |         tbit $0, r10
 | 
      
         | 516 |  |  |         lshd $-1, (r11, r10)    /* Shift right: high bits of bit */
 | 
      
         | 517 |  |  |         bfs L18                 /* If PSR is set go to L18 */
 | 
      
         | 518 |  |  |  
 | 
      
         | 519 |  |  | L17:    /* Shift param#2 to the right */
 | 
      
         | 520 |  |  |         lshd $-1, (r5, r4)      /* Shift right: low bits of param 2 */
 | 
      
         | 521 |  |  |         /* Check if least significant bit of high bits is set */
 | 
      
         | 522 |  |  |         tbit $0, r6
 | 
      
         | 523 |  |  |         lshd $-1, (r7, r6)      /* Shift right: high bits of param 2 */
 | 
      
         | 524 |  |  |         bfc L10                 /* If PSR is not set go to L10 */
 | 
      
         | 525 |  |  |         /* Or with 0x8000 to set most significant bit */
 | 
      
         | 526 |  |  |         orw $32768, r5
 | 
      
         | 527 |  |  |         br L10                  /* Go to L10 */
 | 
      
         | 528 |  |  |  
 | 
      
         | 529 |  |  | L18:    /* Or with 0x8000 to set most significant bit */
 | 
      
         | 530 |  |  |         orw $32768, r9
 | 
      
         | 531 |  |  |         br L17
 | 
      
         | 532 |  |  |  
 | 
      
         | 533 |  |  | L28:    /* Left shift bit */
 | 
      
         | 534 |  |  |         addw $1, r10            /* Add 1 to highest bits of bit */
 | 
      
         | 535 |  |  |         br L9                   /* Go to L9 */
 | 
      
         | 536 |  |  |  
 | 
      
         | 537 |  |  | LE:     cmpd (r12), (r7, r6)
 | 
      
         | 538 |  |  |         bne L5
 | 
      
         | 539 |  |  |         excp dvz
 | 
      
         | 540 |  |  |         br      Lexit__
 | 
      
         | 541 |  |  |  
 | 
      
         | 542 |  |  | E1:     loadw   18(sp), r4
 | 
      
         | 543 |  |  |         cmpw $0, r4
 | 
      
         | 544 |  |  |         bne     Lexit__
 | 
      
         | 545 |  |  |  
 | 
      
         | 546 |  |  |         /* Return result */
 | 
      
         | 547 |  |  |         movd (r12), (r1, r0)
 | 
      
         | 548 |  |  |         movd (r13), (r3, r2)
 | 
      
         | 549 |  |  | Lexit__:
 | 
      
         | 550 |  |  |         pop     $7, r7
 | 
      
         | 551 |  |  |         popret  $2, r13
 | 
      
         | 552 |  |  | #endif
 | 
      
         | 553 |  |  |  
 | 
      
         | 554 |  |  | #ifdef L_umoddi3
 | 
      
         | 555 |  |  |         .text
 | 
      
         | 556 |  |  |         .align 4
 | 
      
         | 557 |  |  |         .globl ___umoddi3
 | 
      
         | 558 |  |  |  
 | 
      
         | 559 |  |  | ___umoddi3:
 | 
      
         | 560 |  |  |         movw $1, r2
 | 
      
         | 561 |  |  |         br ___udivmoddi3
 | 
      
         | 562 |  |  | #endif
 | 
      
         | 563 |  |  |  
 |