re PR middle-end/24950 (ICE in operand_subword_force)

	PR middle-end/24950
	* expmed.c (store_bit_field): Don't attempt to insv a field
	larger than the reg.

From-SVN: r107354

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5bc604e..c4ee188 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
 
+       PR middle-end/24950
+       * expmed.c (store_bit_field): Don't attempt to insv a field
+       larger than the reg.
+
+2005-11-22  Alan Modra  <amodra@bigpond.net.au>
+
        PR target/24954
        * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
        explicit sign extension, not a (char) cast.

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 58f179e..d591b6b 100644 (file)
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -643,6 +643,7 @@ store_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
            bestmode = GET_MODE (op0);
 
          if (bestmode == VOIDmode
+             || GET_MODE_SIZE (bestmode) < GET_MODE_SIZE (fieldmode)
              || (SLOW_UNALIGNED_ACCESS (bestmode, MEM_ALIGN (op0))
                  && GET_MODE_BITSIZE (bestmode) > MEM_ALIGN (op0)))
            goto insv_loses;