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Linux/tools/testing/selftests/powerpc/pmu/branch_loops.S

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*
  3  * Copyright 2022, Kajol Jain, IBM Corp.
  4  */
  5 
  6 #include <ppc-asm.h>
  7 
  8         .text
  9 
 10 #define ITER_SHIFT      31
 11 
 12 FUNC_START(indirect_branch_loop)
 13         li      r3, 1
 14         sldi    r3, r3, ITER_SHIFT
 15 
 16 1:      cmpdi   r3, 0
 17         beqlr
 18 
 19         addi    r3, r3, -1
 20 
 21         ld      r4, 2f@got(%r2)
 22         mtctr   r4
 23         bctr
 24 
 25         .balign 32
 26 2:      b       1b
 27 
 28 FUNC_END(indirect_branch_loop)
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