diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d6b58a64991b..95a0b8b05e3e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-09-02  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.dg/stack-usage-1.c: Adjust on i386/Darwin.
+	* gcc.target/i386/stack-usage-realign.c: Skip on i386/Darwin.
+
 2010-09-02  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/45489
diff --git a/gcc/testsuite/gcc.dg/stack-usage-1.c b/gcc/testsuite/gcc.dg/stack-usage-1.c
index f1748826cc12..48fc9eecd406 100644
--- a/gcc/testsuite/gcc.dg/stack-usage-1.c
+++ b/gcc/testsuite/gcc.dg/stack-usage-1.c
@@ -8,7 +8,11 @@
    Then check that this is the actual stack usage in the assembly file.  */
 
 #if defined(__i386__)
-#  define SIZE 248
+#  if defined (__MACH__)
+#    define SIZE 232
+#  else
+#    define SIZE 248
+#  endif
 #elif defined(__x86_64__)
 #  define SIZE 356
 #elif defined (__sparc__)
diff --git a/gcc/testsuite/gcc.target/i386/stack-usage-realign.c b/gcc/testsuite/gcc.target/i386/stack-usage-realign.c
index 30d7835f2763..03d9d4174893 100644
--- a/gcc/testsuite/gcc.target/i386/stack-usage-realign.c
+++ b/gcc/testsuite/gcc.target/i386/stack-usage-realign.c
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-require-effective-target ilp32 } */
+/* { dg-skip-if "no stack realignment" { *-*-darwin* } { "*" } { "" } } */
 /* { dg-options "-fstack-usage -msse2 -mforce-drap" } */
 
 typedef int __attribute__((vector_size(16))) vec;