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base: turn align_addr tool into constexpr

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Thereby, the tool can be used to calculate static compile-time values.
Ref #1588
This commit is contained in:
Stefan Kalkowski
2015-06-26 11:31:29 +02:00
committed by Christian Helmuth
parent b856bfdfcd
commit dc36b63acb
1 changed files with 5 additions and 5 deletions
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10
repos/base/include/util/misc_math.h
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@ -30,15 +30,15 @@ namespace Genode {
* Alignment to the power of two * Alignment to the power of two
*/ */
template <typename T> template <typename T>
static inline T _align_mask(T align) { static constexpr T _align_mask(T align) {
return ~(((T)1 << align) - 1); } return ~(((T)1 << align) - (T)1); }
template <typename T> template <typename T>
static inline T _align_offset(T align) { static constexpr T _align_offset(T align) {
return ((T)1 << align) - 1; } return ((T)1 << align) - (T)1; }
template <typename T> template <typename T>
static inline T align_addr(T addr, int align) { static constexpr T align_addr(T addr, int align) {
return (addr + _align_offset((T)align)) & _align_mask((T)align); } return (addr + _align_offset((T)align)) & _align_mask((T)align); }