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imm: Add additional bit position checks to Imm::Bits

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This commit is contained in:
MerryMage 2018-04-08 10:42:23 +01:00
parent be907a61f7
commit 6c9c829a08
1 changed files with 2 additions and 1 deletions
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3
src/frontend/A64/imm.h
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@ -46,6 +46,7 @@ public:
template <size_t begin_bit, size_t end_bit, typename T = u32> template <size_t begin_bit, size_t end_bit, typename T = u32>
T Bits() const { T Bits() const {
static_assert(begin_bit <= end_bit && end_bit < bit_size);
static_assert(Common::BitSize<T>() >= end_bit - begin_bit + 1); static_assert(Common::BitSize<T>() >= end_bit - begin_bit + 1);
return static_cast<T>(Common::Bits<begin_bit, end_bit>(value)); return static_cast<T>(Common::Bits<begin_bit, end_bit>(value));
} }
@ -87,7 +88,7 @@ bool operator!=(const Imm<bit_size>& a, u32 b) {
/** /**
* Concatentate immediates together. * Concatentate immediates together.
* Left to right correpeonds to most significant imm to least significant imm. * Left to right corresponds to most significant imm to least significant imm.
* This is equivalent to a:b:...:z in ASL. * This is equivalent to a:b:...:z in ASL.
*/ */
template <size_t first_bit_size, size_t ...rest_bit_sizes> template <size_t first_bit_size, size_t ...rest_bit_sizes>