From: Anton Blanchard <anton@samba.org>
To: gdb-patches@sourceware.org, brobecker@adacore.com,
emachado@linux.vnet.ibm.com, luis_gustavo@mentor.com
Subject: [PATCH 3/3] Add multiple branches to single step through atomic sequence testcase
Date: Mon, 29 Jul 2013 07:41:00 -0000 [thread overview]
Message-ID: <20130729174042.15246769@kryten> (raw)
In-Reply-To: <20130729173838.36f370a6@kryten>
Test 3 conditional branches in an atomic sequence, 2 to the same
destination.
Anton
--
2013-07-29 Anton Blanchard <anton@samba.org>
* gdb.arch/ppc64-atomic-inst.s: Add second and third branch
inside atomic sequence.
Index: b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
===================================================================
--- a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
+++ b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
@@ -10,17 +10,29 @@ gdbasm_declare 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
next prev parent reply other threads:[~2013-07-29 7:41 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-29 7:39 [PATCH 1/3] Fix ppc64 single step over " Anton Blanchard
2013-07-29 7:40 ` [PATCH 2/3] Support up to 3 conditional branches in an atomic sequence Anton Blanchard
2013-08-01 15:39 ` Ulrich Weigand
2013-07-29 7:41 ` Anton Blanchard [this message]
2013-08-01 15:55 ` [PATCH 3/3] Add multiple branches to single step through atomic sequence testcase Ulrich Weigand
2013-07-30 17:15 ` [PATCH 1/3] Fix ppc64 single step over " Edjunior Barbosa Machado
2013-07-31 12:31 ` Anton Blanchard
2013-08-01 15:54 ` Ulrich Weigand
2013-08-02 13:45 ` Anton Blanchard
-- strict thread matches above, loose matches on Subject: below --
2012-06-06 3:56 Anton Blanchard
2012-06-06 3:58 ` [PATCH 3/3] Add multiple branches to single step through " Anton Blanchard
2012-06-13 16:06 ` Joel Brobecker
2012-07-16 6:43 ` Anton Blanchard
2012-09-28 10:44 ` Joel Brobecker
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