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Implement Thumb PUSH instruction

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This commit is contained in:
MerryMage 2016-07-18 15:11:16 +01:00
parent 9109b226af
commit f7e3d7b8d2
10 changed files with 191 additions and 54 deletions
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31
src/common/bit_util.h
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@ -8,11 +8,11 @@
#include <climits>
#include "common/assert.h"
#include "common/common_types.h"
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4554)
#include <intrin.h>
#endif
namespace Dynarmic {
@ -35,6 +35,10 @@ constexpr T Bits(const T value) {
return (value >> begin_bit) & ((1 << (end_bit - begin_bit + 1)) - 1);
}
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4554)
#endif
/// Extracts a single bit at bit_position from value of type T.
template<size_t bit_position, typename T>
constexpr bool Bit(const T value) {
@ -43,6 +47,17 @@ constexpr bool Bit(const T value) {
return ((value >> bit_position) & 1) != 0;
}
/// Extracts a single bit at bit_position from value of type T.
template<typename T>
constexpr bool Bit(size_t bit_position, const T value) {
ASSERT_MSG(bit_position < BitSize<T>(), "bit_position must be smaller than size of T");
return ((value >> bit_position) & 1) != 0;
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif
/// Sign-extends a value that has NBits bits to the full bitwidth of type T.
template<size_t bit_count, typename T>
inline T SignExtend(const T value) {
@ -56,9 +71,13 @@ inline T SignExtend(const T value) {
return value;
}
inline size_t BitCount(u32 value) {
#ifdef _MSC_VER
return __popcnt(value);
#else
return __builtin_popcount(value);
#endif
}
} // namespace Common
} // namespace Dynarmic
#ifdef _MSC_VER
#pragma warning(pop)
#endif