diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e63b313c52e..4d7080b0551 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2013-04-05  David Edelsohn  <dje.gcc@gmail.com>
+
+	* gcc.target/powerpc/sd-vsx.c: Skip on AIX.
+	* gcc.target/powerpc/sd-pwr6.c: Same.
+	* gcc.dg/stack-usage-1.c: Define SIZE on AIX.
+	* g++.dg/debug/pr56294.C: XFAIL on AIX.
+
 2013-04-05  Ed Smith-Rowland  <3dw4rd@verizon.net>
 
 	* g++.dg/cpp0x/ref-qual-multi-neg.C: New test.
diff --git a/gcc/testsuite/g++.dg/debug/pr56294.C b/gcc/testsuite/g++.dg/debug/pr56294.C
index 204c78eadc6..a9ee807631f 100644
--- a/gcc/testsuite/g++.dg/debug/pr56294.C
+++ b/gcc/testsuite/g++.dg/debug/pr56294.C
@@ -1,5 +1,6 @@
 // { dg-do compile }
 // { dg-options "-fno-ipa-sra -fcompare-debug" }
+// { dg-xfail-if "" { powerpc-ibm-aix* } { "*" } { "" } }
 
 struct comp_cost { int cost; unsigned complexity; };
 struct cost_pair { struct iv_cand *cand; };
diff --git a/gcc/testsuite/gcc.dg/stack-usage-1.c b/gcc/testsuite/gcc.dg/stack-usage-1.c
index b6524f9a125..fa299c4385a 100644
--- a/gcc/testsuite/gcc.dg/stack-usage-1.c
+++ b/gcc/testsuite/gcc.dg/stack-usage-1.c
@@ -47,6 +47,8 @@
 #    else
 #      define SIZE 220
 #    endif
+#  elif defined (_AIX)
+#    define SIZE 208
 #  else
 #    define SIZE 240
 #  endif
diff --git a/gcc/testsuite/gcc.target/powerpc/sd-pwr6.c b/gcc/testsuite/gcc.target/powerpc/sd-pwr6.c
index 947382b7f7b..98f7615daef 100644
--- a/gcc/testsuite/gcc.target/powerpc/sd-pwr6.c
+++ b/gcc/testsuite/gcc.target/powerpc/sd-pwr6.c
@@ -1,5 +1,5 @@
 /* { dg-do compile { target { powerpc*-*-* } } } */
-/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
+/* { dg-skip-if "" { powerpc*-*-darwin* powerpc-ibm-aix* } { "*" } { "" } } */
 /* { dg-require-effective-target powerpc_vsx_ok } */
 /* { dg-options "-O2 -mcpu=power6 -mhard-dfp" } */
 /* { dg-final { scan-assembler-not   "lfiwzx"   } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/sd-vsx.c b/gcc/testsuite/gcc.target/powerpc/sd-vsx.c
index 7e41e1e84cc..7a3c6d8777d 100644
--- a/gcc/testsuite/gcc.target/powerpc/sd-vsx.c
+++ b/gcc/testsuite/gcc.target/powerpc/sd-vsx.c
@@ -1,5 +1,5 @@
 /* { dg-do compile { target { powerpc*-*-* } } } */
-/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
+/* { dg-skip-if "" { powerpc*-*-darwin* powerpc-ibm-aix* } { "*" } { "" } } */
 /* { dg-require-effective-target powerpc_vsx_ok } */
 /* { dg-options "-O2 -mcpu=power7 -mhard-dfp" } */
 /* { dg-final { scan-assembler-times "lfiwzx" 2 } } */