compiler-rt/lib/builtins/hexagon/umodsi3.S

   1 //===----------------------Hexagon builtin routine ------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9
  10         .macro FUNCTION_BEGIN name
  11         .text
  12         .p2align 5
  13         .globl \name
  14         .type  \name, @function
  15 \name:
  16         .endm
  17
  18         .macro FUNCTION_END name
  19         .size  \name, . - \name
  20         .endm
  21
  22
  23 FUNCTION_BEGIN __hexagon_umodsi3
  24         {
  25                 r2 = cl0(r0)
  26                 r3 = cl0(r1)
  27                 p0 = cmp.gtu(r1,r0)
  28         }
  29         {
  30                 r2 = sub(r3,r2)
  31                 if (p0) jumpr r31
  32         }
  33         {
  34                 loop0(1f,r2)
  35                 p1 = cmp.eq(r2,#0)
  36                 r2 = lsl(r1,r2)
  37         }
  38         .falign
  39 1:
  40         {
  41                 p0 = cmp.gtu(r2,r0)
  42                 if (!p0.new) r0 = sub(r0,r2)
  43                 r2 = lsr(r2,#1)
  44                 if (p1) r1 = #0
  45         }:endloop0
  46         {
  47                 p0 = cmp.gtu(r2,r0)
  48                 if (!p0.new) r0 = sub(r0,r1)
  49                 jumpr r31
  50         }
  51 FUNCTION_END __hexagon_umodsi3
  52
  53   .globl __qdsp_umodsi3
  54   .set   __qdsp_umodsi3, __hexagon_umodsi3