From: Anton Blanchard <anton@samba.org>
To: gdb-patches@sourceware.org
Subject: [PATCH 3/3] Add multiple branches to single step through atomic sequence testcase
Date: Wed, 06 Jun 2012 03:58:00 -0000 [thread overview]
Message-ID: <20120606135828.0d87f888@kryten> (raw)
In-Reply-To: <20120606135557.7da37cbe@kryten>
Test 3 conditional branches in an atomic sequence, 2 to the same
destination.
Anton
--
2012-06-05 Anton Blanchard <anton@samba.org>
* gdb.arch/ppc64-atomic-inst.s: Add second and third branch
inside atomic sequence.
Index: gdb/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s
===================================================================
--- gdb.orig/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s 2012-06-06 12:59:56.697580862 +1000
+++ gdb/gdb/testsuite/gdb.arch/ppc64-atomic-inst.s 2012-06-06 13:46:08.258410718 +1000
@@ -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:[~2012-06-06 3:58 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-06 3:56 [PATCH 1/3] Fix ppc64 single step over " Anton Blanchard
2012-06-06 3:57 ` [PATCH 2/3] Support up to 3 conditional branches in an atomic sequence Anton Blanchard
2012-06-13 16:02 ` Joel Brobecker
2012-07-16 6:34 ` Anton Blanchard
2012-09-28 10:44 ` Joel Brobecker
2012-09-28 11:44 ` Pedro Alves
2012-06-06 3:58 ` Anton Blanchard [this message]
2012-06-13 16:06 ` [PATCH 3/3] Add multiple branches to single step through atomic sequence testcase Joel Brobecker
2012-07-16 6:43 ` Anton Blanchard
2012-09-28 10:44 ` Joel Brobecker
2012-06-11 19:33 ` [PATCH 1/3] Fix ppc64 single step over " Joel Brobecker
2012-06-12 12:45 ` Anton Blanchard
2012-06-12 13:06 ` Luis Gustavo
2012-06-12 13:17 ` Joel Brobecker
2012-06-12 13:28 ` Luis Gustavo
2012-06-12 16:53 ` Edjunior Barbosa Machado
2012-06-13 0:46 ` Anton Blanchard
2012-06-13 14:00 ` Edjunior Barbosa Machado
2012-06-13 15:37 ` Joel Brobecker
2012-07-16 6:23 ` Anton Blanchard
2012-09-26 23:21 ` Edjunior Barbosa Machado
2012-09-27 19:03 ` Luis Gustavo
2012-09-28 10:16 ` Joel Brobecker
2013-07-29 7:39 Anton Blanchard
2013-07-29 7:41 ` [PATCH 3/3] Add multiple branches to single step through " Anton Blanchard
2013-08-01 15:55 ` Ulrich Weigand
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