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EGCS fix for VAX. It is illegal to shift by more bits than is can be

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contained in the type.  This was cc to die when initialize the
tetra long values on vax because it was trying to shift by -64.
This in turn was causing a reserved operand fault resulting in a SIGILL.
This commit is contained in:
matt 1998-10-14 01:45:16 +00:00
parent 55436d0a18
commit 048bef97f2
1 changed files with 5 additions and 3 deletions
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8
gnu/dist/gcc/stor-layout.c vendored
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@ -1249,9 +1249,11 @@ fixup_unsigned_type (type)
= build_int_2 (precision - HOST_BITS_PER_WIDE_INT >= 0
? -1 : ((HOST_WIDE_INT) 1 << precision) - 1,
precision - HOST_BITS_PER_WIDE_INT > 0
? ((unsigned HOST_WIDE_INT) ~0
>> (HOST_BITS_PER_WIDE_INT
- (precision - HOST_BITS_PER_WIDE_INT)))
? (precision - HOST_BITS_PER_WIDE_INT > HOST_BITS_PER_WIDE_INT
? (unsigned HOST_WIDE_INT) ~0
: ((unsigned HOST_WIDE_INT) ~0
>> (HOST_BITS_PER_WIDE_INT
- (precision - HOST_BITS_PER_WIDE_INT))))
: 0);
TREE_TYPE (TYPE_MIN_VALUE (type)) = type;
TREE_TYPE (TYPE_MAX_VALUE (type)) = type;