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mmio: fix compiler warnings

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We implicitly know that the value range will not exceed access_t despite
the integer-based arithmetics, i.e., negation and shift operations.

Fixes #1524
This commit is contained in:
Christian Helmuth 2015-05-15 17:49:10 +02:00
parent 140ecb1238
commit 8990346c6c
1 changed files with 2 additions and 2 deletions
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4
repos/base/include/util/register.h
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@ -170,12 +170,12 @@ struct Genode::Register
/**
* Get a mask of this field shifted by its shift in the register
*/
static constexpr access_t reg_mask() { return mask() << SHIFT; }
static constexpr access_t reg_mask() { return (access_t)(mask() << SHIFT); }
/**
* Get the bitwise negation of 'reg_mask'
*/
static constexpr access_t clear_mask() { return ~reg_mask(); }
static constexpr access_t clear_mask() { return (access_t)~reg_mask(); }
/**
* Back reference to containing register