src/compiler-rt/lib/builtins/arm/aeabi_uldivmod.S

   1 //===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "../assembly.h"
  11
  12 // struct { uint64_t quot, uint64_t rem}
  13 //        __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) {
  14 //   uint64_t rem, quot;
  15 //   quot = __udivmoddi4(numerator, denominator, &rem);
  16 //   return {quot, rem};
  17 // }
  18
  19         .syntax unified
  20         .p2align 2
  21 DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod)
  22         push    {r11, lr}
  23         sub     sp, sp, #16
  24         add     r12, sp, #8
  25         str     r12, [sp]
  26         bl      SYMBOL_NAME(__udivmoddi4)
  27         ldr     r2, [sp, #8]
  28         ldr     r3, [sp, #12]
  29         add     sp, sp, #16
  30         pop     {r11, pc}
  31 END_COMPILERRT_FUNCTION(__aeabi_uldivmod)
  32
  33 NO_EXEC_STACK_DIRECTIVE
  34