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[PATCH 3/4] Add multiple branches to ppc64 single step through atomic sequence testcase


Test 3 conditional branches in an atomic sequence, 2 to the same
destination.

gdb/testsuite/
2014-03-28  Anton Blanchard  <anton@samba.org>

	* gdb.arch/ppc64-atomic-inst.s: Add second and third branch
	inside atomic sequence.
---
 gdb/testsuite/gdb.arch/ppc64-atomic-inst.s | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
index 15ccfd9..0521170 100644
--- a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
+++ b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
@@ -39,18 +39,30 @@ main:
 1:	lwarx	5,0,4
 	cmpwi	5,0
 	bne	2f
+	cmpwi	5,1
+	beq	3f
+	cmpwi	5,2
+	beq	3f	/* branch to same destination */
 	addi	5,5,1
 	stwcx.	5,0,4
 	bne	1b
 
-	std	0,0(4)
-2:	ldarx	5,0,4
+2:	nop
+
+3:	std	0,0(4)
+1:	ldarx	5,0,4
 	cmpdi	5,0
-	bne	3f
+	bne	2f
+	cmpdi	5,1
+	beq	3f
+	cmpwi	5,2
+	beq	3f	/* branch to same destination */
 	addi	5,5,1
 	stdcx.	5,0,4
 	bne	1b
 
+2:	nop
+
 3:	li	3,0
 	blr
 
-- 
1.8.3.2


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