zig

commit df0212bf47974b4e676a5bb97aac5ab381d6cbf3 (tree)
parent 1d680459197e7ba5e163d99e07fdfe54c2ad9225
Author: Jakub Konka <kubkon@jakubkonka.com>
Date:   Fri,  4 Nov 2022 12:22:39 +0100

aarch64: handle register downgrading in truncRegister

Diffstat:
M
src/arch/aarch64/CodeGen.zig
 | 
6
++----

1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/src/arch/aarch64/CodeGen.zig b/src/arch/aarch64/CodeGen.zig
@@ -1117,13 +1117,11 @@ fn truncRegister(
             });
         },
         32, 64 => {
-            assert(dest_reg.size() == operand_reg.size());
-
             _ = try self.addInst(.{
                 .tag = .mov_register,
                 .data = .{ .rr = .{
-                    .rd = dest_reg,
-                    .rn = operand_reg,
+                    .rd = if (int_bits == 32) dest_reg.toW() else dest_reg.toX(),
+                    .rn = if (int_bits == 32) operand_reg.toW() else operand_reg.toX(),
                 } },
             });
         },