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cbe: fix asm return values

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This commit is contained in:
Veikka Tuominen 2022-11-28 13:49:51 +02:00
parent 3281494dc5
commit 7be6f352e3
1 changed files with 6 additions and 0 deletions
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6
src/codegen/c.zig
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@ -4108,6 +4108,8 @@ fn airAsm(f: *Function, inst: Air.Inst.Index) !CValue {
if (is_reg) {
try f.writeCValue(writer, .{ .local = locals_index }, .Other);
locals_index += 1;
} else if (output == .none) {
try f.writeCValue(writer, local, .FunctionArgument);
} else {
try f.writeCValueDeref(writer, try f.resolveInst(output));
}
@ -4411,6 +4413,10 @@ fn structFieldPtr(f: *Function, inst: Air.Inst.Index, struct_ptr_ty: Type, struc
u8_ptr_pl.data.pointee_type = Type.u8;
const u8_ptr_ty = Type.initPayload(&u8_ptr_pl.base);
if (!std.mem.isAligned(byte_offset, field_ptr_ty.ptrAlignment(target))) {
return f.fail("TODO: CBE: unaligned packed struct field pointer", .{});
}
try writer.writeAll("&((");
try f.renderTypecast(writer, u8_ptr_ty);
try writer.writeByte(')');