Cheri-research/snmalloc
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Remove all instances of static_cast<size_t>(1).

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In preparation for removing magic numbers, simplify code that is
computing masks with a single bit set.
This commit is contained in:
David Chisnall
2019-04-30 11:49:00 +01:00
parent 95c23b1a00
commit 8bd136c224
7 changed files with 32 additions and 23 deletions
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4
src/mem/sizeclass.h
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@@ -30,12 +30,12 @@ namespace snmalloc
constexpr static inline size_t large_sizeclass_to_size(uint8_t large_class)
{
return static_cast<size_t>(1) << (large_class + SUPERSLAB_BITS);
return bits::one_at_bit(large_class + SUPERSLAB_BITS);
}
// Small classes range from [MIN, SLAB], i.e. inclusive.
static constexpr size_t NUM_SMALL_CLASSES =
size_to_sizeclass_const(static_cast<size_t>(1) << SLAB_BITS) + 1;
size_to_sizeclass_const(bits::one_at_bit(SLAB_BITS)) + 1;
static constexpr size_t NUM_SIZECLASSES =
size_to_sizeclass_const(SUPERSLAB_SIZE);