ld/testsuite/ld-arm/cortex-a8-fix-blx.s

   1         .syntax unified
   2         .cpu cortex-a8
   3         .text
   4
   5         @ expansion 32 bytes
   6         .macro bw1
   7         add.w r0, r1, r2
   8         blx.w armfn
   9         add.w r0, r1, r2
  10         blx.w armfn
  11         add.w r0, r1, r2
  12         blx.w armfn
  13         add.w r0, r1, r2
  14         blx.w armfn
  15         .endm
  16
  17         @ expansion 128 bytes
  18         .macro bw2
  19         bw1
  20         bw1
  21         bw1
  22         bw1
  23         .endm
  24
  25         .arm
  26         .align  2
  27 armfn:
  28         mov     r2, r3, asl r4
  29         bx      lr
  30
  31         .global _start
  32
  33         .thumb
  34         .thumb_func
  35         .align 3
  36         .type   _start, %function
  37 _start:
  38         nop
  39
  40         @ Trigger Cortex-A8 erratum workaround with blx instructions.
  41         bw2
  42         bw2
  43
  44         bx      lr