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(size_int): NUMBER is unsigned so don't test for negative.

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(optimize_bit_field_compare, all_ones_mask_p): Add missing last arg to
force_fit_type call.

From-SVN: r4138
This commit is contained in:
Richard Kenner 1993-04-13 17:16:37 -04:00
parent bece5e07ad
commit aa830baff1
1 changed files with 4 additions and 4 deletions
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8
gcc/fold-const.c
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@ -1437,10 +1437,10 @@ size_int (number)
/* Type-size nodes already made for small sizes. */ /* Type-size nodes already made for small sizes. */
static tree size_table[2*HOST_BITS_PER_WIDE_INT + 1]; static tree size_table[2*HOST_BITS_PER_WIDE_INT + 1];
if (number >= 0 && number < 2*HOST_BITS_PER_WIDE_INT + 1 if (number < 2*HOST_BITS_PER_WIDE_INT + 1
&& size_table[number] != 0) && size_table[number] != 0)
return size_table[number]; return size_table[number];
if (number >= 0 && number < 2*HOST_BITS_PER_WIDE_INT + 1) if (number < 2*HOST_BITS_PER_WIDE_INT + 1)
{ {
push_obstacks_nochange (); push_obstacks_nochange ();
/* Make this a permanent node. */ /* Make this a permanent node. */
@ -2309,7 +2309,7 @@ optimize_bit_field_compare (code, compare_type, lhs, rhs)
/* Make the mask to be used against the extracted field. */ /* Make the mask to be used against the extracted field. */
mask = build_int_2 (~0, ~0); mask = build_int_2 (~0, ~0);
TREE_TYPE (mask) = unsigned_type; TREE_TYPE (mask) = unsigned_type;
force_fit_type (mask); force_fit_type (mask, 0);
mask = convert (unsigned_type, mask); mask = convert (unsigned_type, mask);
mask = const_binop (LSHIFT_EXPR, mask, size_int (lnbitsize - lbitsize), 0); mask = const_binop (LSHIFT_EXPR, mask, size_int (lnbitsize - lbitsize), 0);
mask = const_binop (RSHIFT_EXPR, mask, mask = const_binop (RSHIFT_EXPR, mask,
@ -2471,7 +2471,7 @@ all_ones_mask_p (mask, size)
tmask = build_int_2 (~0, ~0); tmask = build_int_2 (~0, ~0);
TREE_TYPE (tmask) = signed_type (type); TREE_TYPE (tmask) = signed_type (type);
force_fit_type (tmask); force_fit_type (tmask, 0);
return return
operand_equal_p (mask, operand_equal_p (mask,
const_binop (RSHIFT_EXPR, const_binop (RSHIFT_EXPR,