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| author | Jakub Konka <kubkon@jakubkonka.com> | 2022-05-14 21:24:48 +0200 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2022-05-16 13:55:26 -0700 |
| commit | 852c82084163eec9911384b325dbd5713ee4df90 (patch) | |
| tree | 677c9aa46b7e821aaeb7e4aa32bfb76b1e04295c /src | |
| parent | a84be7e988c91606bc42e1e1c8a34bbdcdb8a3f1 (diff) | |
| download | zig-852c82084163eec9911384b325dbd5713ee4df90.tar.gz zig-852c82084163eec9911384b325dbd5713ee4df90.zip | |
aarch64: sub_with_overflow should always track V flag
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/aarch64/CodeGen.zig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/aarch64/CodeGen.zig b/src/arch/aarch64/CodeGen.zig index e43cbca1c7..10730c446f 100644 --- a/src/arch/aarch64/CodeGen.zig +++ b/src/arch/aarch64/CodeGen.zig @@ -1901,6 +1901,10 @@ fn airOverflow(self: *Self, inst: Air.Inst.Index) !void { } }; + if (tag == .sub_with_overflow) { + break :result MCValue{ .register_v_flag = dest.register }; + } + switch (int_info.signedness) { .unsigned => break :result MCValue{ .register_c_flag = dest.register }, .signed => break :result MCValue{ .register_v_flag = dest.register }, |