(stupid_mark_refs): Only show changes size if one mode is integral.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@7905 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/stupid.c b/gcc/stupid.c
index f324aeb..e10f2dc 100644 (file)
--- a/gcc/stupid.c
+++ b/gcc/stupid.c
@@ -496,7 +496,9 @@ stupid_mark_refs (x, insn)
           && GET_CODE (SUBREG_REG (x)) == REG
           && REGNO (SUBREG_REG (x)) >= FIRST_PSEUDO_REGISTER
           && (GET_MODE_SIZE (GET_MODE (x))
-              != GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))))
+              != GET_MODE_SIZE (GET_MODE (SUBREG_REG (x))))
+          && (INTEGRAL_MODE_P (GET_MODE (x))
+              || INTEGRAL_MODE_P (GET_MODE (SUBREG_REG (x)))))
     regs_change_size[REGNO (SUBREG_REG (x))] = 1;
 
   /* Register value being used, not set.  */