summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/powerpc/pmu/loop.S
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/loop.S')
-rw-r--r--tools/testing/selftests/powerpc/pmu/loop.S46
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/loop.S b/tools/testing/selftests/powerpc/pmu/loop.S
new file mode 100644
index 0000000..8820e3d
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/loop.S
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2013, Michael Ellerman, IBM Corp.
+ * Licensed under GPLv2.
+ */
+
+ .text
+
+ .global thirty_two_instruction_loop
+ .type .thirty_two_instruction_loop,@function
+ .section ".opd","aw",@progbits
+thirty_two_instruction_loop:
+ .quad .thirty_two_instruction_loop, .TOC.@tocbase, 0
+ .previous
+.thirty_two_instruction_loop:
+ cmpwi %r3,0
+ beqlr
+ addi %r4,%r3,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1
+ addi %r4,%r4,1 # 28 addi's
+ subi %r3,%r3,1
+ b .thirty_two_instruction_loop