re PR target/54476 ([avr] __builtin_avr_delay_cycles (-1ul) causes memory usage to...

	PR target/54476
	* config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
	SImode.

From-SVN: r190920

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5ba70bf6b609521547a56855364cab4432cb85a1..3709a6357f679b0a055fe84758b51a9c0cc6c4a3 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-09-04  Georg-Johann Lay  <avr@gjlay.de>
+
+       PR target/54476
+       * config/avr/avr.c (avr_expand_delay_cycles): Mask operand with
+       SImode.
+
 2012-09-04  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/54458

diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c
index bab13a4879577faa1c696f738bfd909f9a6f0074..95892ade4485a962fd2399a51b0b11ff447715f0 100644 (file)
--- a/gcc/config/avr/avr.c
+++ b/gcc/config/avr/avr.c
@@ -10449,7 +10449,7 @@ avr_mem_clobber (void)
 static void
 avr_expand_delay_cycles (rtx operands0)
 {
-  unsigned HOST_WIDE_INT cycles = UINTVAL (operands0);
+  unsigned HOST_WIDE_INT cycles = UINTVAL (operands0) & GET_MODE_MASK (SImode);
   unsigned HOST_WIDE_INT cycles_used;
   unsigned HOST_WIDE_INT loop_count;