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combine.c (simplify_set): Don't call to force_to_mode if size of integer type is larger than...

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* combine.c (simplify_set): Don't call to force_to_mode if size
        of integer type is larger than HOST_BITS_PER_WIDE_INT.

From-SVN: r57549
This commit is contained in:
Igor Shevlyakov 2002-09-26 21:15:26 +00:00 • committed by Richard Henderson
parent d57f8a7152
commit 855c3a2e32
2 changed files with 7 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-09-26 Igor Shevlyakov <igor@microunity.com>
* combine.c (simplify_set): Don't call to force_to_mode if size
of integer type is larger than HOST_BITS_PER_WIDE_INT.
2002-09-26 Janis Johnson <janis187@us.ibm.com>
* Makefile.in (qmtest-g++): Fix file path.

3
gcc/combine.c
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@ -5011,7 +5011,8 @@ simplify_set (x)
simplify the expression for the object knowing that we only need the
low-order bits. */
if (GET_MODE_CLASS (mode) == MODE_INT)
if (GET_MODE_CLASS (mode) == MODE_INT
&& GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT)
{
src = force_to_mode (src, mode, ~(HOST_WIDE_INT) 0, NULL_RTX, 0);
SUBST (SET_SRC (x), src);