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imm: compiler bug: MSVC 19.12 with /permissive- flag doesn't support fold expressions

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This commit is contained in:
MerryMage 2018-01-12 16:22:38 +00:00
parent b34c6616d4
commit 26da149639
2 changed files with 31 additions and 2 deletions
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5
src/frontend/A64/imm.h
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@ -9,6 +9,7 @@
#include "common/assert.h"
#include "common/bit_util.h"
#include "common/common_types.h"
#include "common/math_util.h"
namespace Dynarmic {
namespace A64 {
@ -85,13 +86,13 @@ bool operator!=(const Imm<bit_size>& a, u32 b) {
* This is equivalent to a:b:...:z in ASL.
*/
template <size_t first_bit_size, size_t ...rest_bit_sizes>
auto concatenate(Imm<first_bit_size> first, Imm<rest_bit_sizes> ...rest) -> Imm<(first_bit_size + ... + rest_bit_sizes)> {
auto concatenate(Imm<first_bit_size> first, Imm<rest_bit_sizes> ...rest) {
if constexpr (sizeof...(rest) == 0) {
return first;
} else {
const auto concat_rest = concatenate(rest...);
const u32 value = (first.ZeroExtend() << concat_rest.bit_size) | concat_rest.ZeroExtend();
return Imm<(first_bit_size + ... + rest_bit_sizes)>{value};
return Imm<Common::Sum(first_bit_size, rest_bit_sizes...)>{value};
}
}