gcc/stor-layout.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index ea0d44d64d26..1387c0e9e060 100644
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -2486,7 +2486,12 @@ get_best_mode (int bitsize, int bitpos, unsigned int align,
 	      && unit <= MIN (align, BIGGEST_ALIGNMENT)
 	      && (largest_mode == VOIDmode
 		  || unit <= GET_MODE_BITSIZE (largest_mode)))
+	  {
 	    wide_mode = tmode;
+	    /* Wide enough? */
+	    if (unit >= 32)
+	      break;
+	  }
 	}
 
       if (wide_mode != VOIDmode)