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authorRichard Sandiford <richard@codesourcery.com>2007-01-19 13:49:06 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2007-01-19 13:49:06 +0000
commitaaacff326fe0d059d183d8b1a427ce72c2b9bfa5 (patch)
tree542ea2a492d2faed853262d5a4d148e1751e841a /gcc
parent835b4008a387208ce374a43a5999e9d6db656982 (diff)
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m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32 for ColdFire targets.
gcc/ * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32 for ColdFire targets. From-SVN: r120965
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/m68k/m68k.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e354640..8264687 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+
+ * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
+ for ColdFire targets.
+
2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
Richard Sandiford <richard@codesourcery.com>
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index c0a3f9e..4f42a5e 100644
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -284,6 +284,8 @@ Boston, MA 02110-1301, USA. */
#define STACK_BOUNDARY 16
#define FUNCTION_BOUNDARY 16
#define EMPTY_FIELD_BOUNDARY 16
+/* ColdFire strongly prefers a 32-bit aligned stack. */
+#define PREFERRED_STACK_BOUNDARY (TARGET_COLDFIRE ? 32 : 16)
/* No data type wants to be aligned rounder than this.
Most published ABIs say that ints should be aligned on 16 bit