diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/loop.S')
| -rw-r--r-- | tools/testing/selftests/powerpc/pmu/loop.S | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/loop.S b/tools/testing/selftests/powerpc/pmu/loop.S index 20c1f0876c47..c52ba09b6fed 100644 --- a/tools/testing/selftests/powerpc/pmu/loop.S +++ b/tools/testing/selftests/powerpc/pmu/loop.S @@ -1,6 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2013, Michael Ellerman, IBM Corp. - * Licensed under GPLv2. */ #include <ppc-asm.h> @@ -41,3 +41,38 @@ FUNC_START(thirty_two_instruction_loop) subi r3,r3,1 b FUNC_NAME(thirty_two_instruction_loop) FUNC_END(thirty_two_instruction_loop) + +FUNC_START(thirty_two_instruction_loop_with_ll_sc) + cmpdi r3,0 + beqlr + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 # 5 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 +1: ldarx r6,0,r4 # 10 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 # 15 + addi r5,r5,1 + addi r5,r5,1 + stdcx. r6,0,r4 + bne- 1b + addi r5,r5,1 # 20 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 # 25 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 + addi r5,r5,1 # 30 + subi r3,r3,1 + b FUNC_NAME(thirty_two_instruction_loop_with_ll_sc) +FUNC_END(thirty_two_instruction_loop_with_ll_sc) |