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backend/A64/devirtualize: remove unused DevirtualizeItanium

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This commit is contained in:
SachinVin 2019-08-18 08:50:37 +05:30
parent bb39f419e2
commit 61ea47ad7b
1 changed files with 0 additions and 22 deletions
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src/backend/A64/devirtualize.h
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@ -42,28 +42,6 @@ ArgCallback DevirtualizeWindows(Common::mp::class_type_t<decltype(mfp)>* this_)
return ArgCallback{Common::BitCast<u64>(mfp), reinterpret_cast<u64>(this_)}; return ArgCallback{Common::BitCast<u64>(mfp), reinterpret_cast<u64>(this_)};
} }
template<auto mfp>
ArgCallback DevirtualizeItanium(Common::mp::class_type_t<decltype(mfp)>* this_) {
struct MemberFunctionPointer {
/// For a non-virtual function, this is a simple function pointer.
/// For a virtual function, it is (1 + virtual table offset in bytes).
u64 ptr;
/// The required adjustment to `this`, prior to the call.
u64 adj;
} mfp_struct = Common::BitCast<MemberFunctionPointer>(mfp);
static_assert(sizeof(MemberFunctionPointer) == 16);
static_assert(sizeof(MemberFunctionPointer) == sizeof(mfp));
u64 fn_ptr = mfp_struct.ptr;
u64 this_ptr = reinterpret_cast<u64>(this_) + mfp_struct.adj;
if (mfp_struct.ptr & 1) {
u64 vtable = Common::BitCastPointee<u64>(this_ptr);
fn_ptr = Common::BitCastPointee<u64>(vtable + fn_ptr - 1);
}
return ArgCallback{fn_ptr, this_ptr};
}
template<auto mfp> template<auto mfp>
ArgCallback DevirtualizeAarch64(Common::mp::class_type_t<decltype(mfp)>* this_) { ArgCallback DevirtualizeAarch64(Common::mp::class_type_t<decltype(mfp)>* this_) {
struct MemberFunctionPointer { struct MemberFunctionPointer {