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Try doing <{i64, i32}> instead of [i64, i64] for ARM64 12-byte parameters

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gingerBill
2024-03-20 17:39:00 +00:00
parent d381b77164
commit c17adc98f5
1 changed files with 15 additions and 1 deletions
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16
src/llvm_abi.cpp
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@@ -1187,7 +1187,21 @@ namespace lbAbiArm64 {
cast_type = LLVMIntTypeInContext(c, cast(unsigned)(size*8));
} else {
unsigned count = cast(unsigned)((size+7)/8);
cast_type = llvm_array_type(LLVMIntTypeInContext(c, 64), count);
LLVMTypeRef llvm_i64 = LLVMIntTypeInContext(c, 64);
LLVMTypeRef *types = gb_alloc_array(temporary_allocator(), LLVMTypeRef, count);
i64 size_copy = size;
for (unsigned i = 0; i < count; i++) {
if (size_copy >= 8) {
types[i] = llvm_i64;
} else {
types[i] = LLVMIntTypeInContext(c, 8*cast(unsigned)size_copy);
}
size_copy -= 8;
}
GB_ASSERT(size_copy <= 0);
cast_type = LLVMStructTypeInContext(c, types, count, true);
}
args[i] = lb_arg_type_direct(type, cast_type, nullptr, nullptr);
} else {