selftests/powerpc: Fix instruction loop for ABIv2 (LE)

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

tools/testing/selftests/powerpc/pmu/loop.S

@@ -3,44 +3,41 @@
  * Licensed under GPLv2.
  */
 
+#include <ppc-asm.h>
+
 	.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
+FUNC_START(thirty_two_instruction_loop)
+	cmpdi	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
+	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	FUNC_NAME(thirty_two_instruction_loop)
+FUNC_END(thirty_two_instruction_loop)