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-rw-r--r--tools/testing/selftests/powerpc/pmu/loop.S35
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/loop.S b/tools/testing/selftests/powerpc/pmu/loop.S
index 8cc9b5e2c9de..c52ba09b6fed 100644
--- a/tools/testing/selftests/powerpc/pmu/loop.S
+++ b/tools/testing/selftests/powerpc/pmu/loop.S
@@ -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)