From: Anton Blanchard <anton@samba.org>
To: gdb-patches@sourceware.org, brobecker@adacore.com,
emachado@linux.vnet.ibm.com, luis_gustavo@mentor.com,
ulrich.weigand@de.ibm.com
Subject: [PATCH 3/4] Add multiple branches to ppc64 single step through atomic sequence testcase
Date: Fri, 28 Mar 2014 03:42:00 -0000 [thread overview]
Message-ID: <1395978111-30706-3-git-send-email-anton@samba.org> (raw)
In-Reply-To: <1395978111-30706-1-git-send-email-anton@samba.org>
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
next prev parent reply other threads:[~2014-03-28 3:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-28 3:41 [PATCH 1/4] Fix ppc64 single step over " Anton Blanchard
2014-03-28 3:42 ` Anton Blanchard [this message]
2014-03-28 13:14 ` [PATCH 3/4] Add multiple branches to ppc64 single step through " Joel Brobecker
2014-03-28 3:42 ` [PATCH 4/4] Add lbarx/stbcx., lharx/sthcx. and lqarx/stqcx. single stepping Anton Blanchard
2014-03-28 13:17 ` Joel Brobecker
2014-03-28 3:42 ` [PATCH 2/4] Support up to 3 conditional branches in an atomic sequence Anton Blanchard
2014-03-28 13:12 ` Joel Brobecker
2014-03-28 17:13 ` Pedro Alves
2014-03-28 17:22 ` Pedro Alves
2014-03-28 17:32 ` Joel Brobecker
2014-03-28 17:58 ` Pedro Alves
2014-03-28 18:10 ` Joel Brobecker
2014-03-28 13:05 ` [PATCH 1/4] Fix ppc64 single step over atomic sequence testcase Joel Brobecker
2014-03-31 2:55 ` Anton Blanchard
2014-03-28 13:13 ` Ulrich Weigand
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