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re PR middle-end/23831 (ICE in immed_double_const with vectorized multipication)

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PR middle-end/23831
	* simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
	simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.

From-SVN: r104650
This commit is contained in:
Uros Bizjak 2005-09-26 20:16:07 +02:00 committed by Ian Lance Taylor
parent b166bfd224
commit 3242fbd83f
2 changed files with 9 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-09-26 Uros Bizjak <uros@kss-loka.si>
PR middle-end/23831
* simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
* combine.c (make_extraction): Check for valid use of subreg.

4
gcc/simplify-rtx.c
View File

@ -3743,8 +3743,10 @@ simplify_immed_subreg (enum machine_mode outermode, rtx op,
know why. */
if (elem_bitsize <= HOST_BITS_PER_WIDE_INT)
elems[elem] = gen_int_mode (lo, outer_submode);
else
else if (elem_bitsize <= 2 * HOST_BITS_PER_WIDE_INT)
elems[elem] = immed_double_const (lo, hi, outer_submode);
else
return NULL_RTX;
}
break;