arch/hexagon/lib/modsi3.S

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2021, The Linux Foundation. All rights reserved.
   4  */
   5
   6 #include <linux/linkage.h>
   7
   8 SYM_FUNC_START(__hexagon_modsi3)
   9         {
  10                 p2 = cmp.ge(r0,#0)
  11                 r2 = abs(r0)
  12                 r1 = abs(r1)
  13         }
  14         {
  15                 r3 = cl0(r2)
  16                 r4 = cl0(r1)
  17                 p0 = cmp.gtu(r1,r2)
  18         }
  19         {
  20                 r3 = sub(r4,r3)
  21                 if (p0) jumpr r31
  22         }
  23         {
  24                 p1 = cmp.eq(r3,#0)
  25                 loop0(1f,r3)
  26                 r0 = r2
  27                 r2 = lsl(r1,r3)
  28         }
  29         .falign
  30 1:
  31         {
  32                 p0 = cmp.gtu(r2,r0)
  33                 if (!p0.new) r0 = sub(r0,r2)
  34                 r2 = lsr(r2,#1)
  35                 if (p1) r1 = #0
  36         }:endloop0
  37         {
  38                 p0 = cmp.gtu(r2,r0)
  39                 if (!p0.new) r0 = sub(r0,r1)
  40                 if (p2) jumpr r31
  41         }
  42         {
  43                 r0 = neg(r0)
  44                 jumpr r31
  45         }
  46 SYM_FUNC_END(__hexagon_modsi3)