Commit 8b70abfcc66e375d71acf1e753d3589e38ba1a3d | zig

author	Koakuma <koachan@protonmail.com> 2022-06-01 19:32:14+07:00
committer	Koakuma <koachan@protonmail.com> 2022-06-06 20:34:53+07:00
log	8b70abfcc66e375d71acf1e753d3589e38ba1a3d
tree	a6ec1c4af6162c92853d61dfcf79fbd15a49e6e8
parent	4d50e52c37cad45bd3d8fd520359cdaee70aaf1f

1 files changed, 3 insertions(+), 1 deletions(-)

src/arch/sparc64/CodeGen.zig+3-1

 @@ -3569,11 +3569,13 @@ fn truncRegister(
             });
         },
         64 => {
+            if (dest_reg == operand_reg)
+                return; // Copy register to itself; nothing to do.
             _ = try self.addInst(.{
                 .tag = .mov,
                 .data = .{
                     .arithmetic_2op = .{
-                        .is_imm = true,
+                        .is_imm = false,
                         .rs1 = dest_reg,
                         .rs2_or_imm = .{ .rs2 = operand_reg },
                     },