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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/avr/avr.h2
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8f6a8cdd002..b10ecb0adae 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-02-15 Andy Hutchinson <HutchinsonAndy@netscape.net>
+
+ PR target/19924
+ * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
+ access optimization.
+
2005-02-15 David Edelsohn <edelsohn@gnu.org>
Alan Modra <amodra@bigpond.net.au>
diff --git a/gcc/config/avr/avr.h b/gcc/config/avr/avr.h
index e87ce43d5ea..42832e86e64 100644
--- a/gcc/config/avr/avr.h
+++ b/gcc/config/avr/avr.h
@@ -216,7 +216,7 @@ extern int avr_asm_only_p;
#define HARD_REGNO_MODE_OK(REGNO, MODE) avr_hard_regno_mode_ok(REGNO, MODE)
-#define MODES_TIEABLE_P(MODE1, MODE2) 0
+#define MODES_TIEABLE_P(MODE1, MODE2) 1
enum reg_class {
NO_REGS,