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| author | Andrew Kelley <andrew@ziglang.org> | 2022-05-16 20:40:57 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-05-16 20:40:57 -0400 |
| commit | 5888446c03b1f77a031f5a8093488a6a2f6decb6 (patch) | |
| tree | cb084cae72edc4c581c0ffa37cdc1130c6c2a8fc /src/arch/aarch64/CodeGen.zig | |
| parent | 7a4758ed7868096c12fec8dacba0bfd4a37fdd13 (diff) | |
| parent | f33b3fc3eae54b9d1159fc5a7a69a4b0e4aceca6 (diff) | |
| download | zig-5888446c03b1f77a031f5a8093488a6a2f6decb6.tar.gz zig-5888446c03b1f77a031f5a8093488a6a2f6decb6.zip | |
Merge pull request #11316 from wsengir/stage2-overflow-safety
stage2: vectorized overflow arithmetic, integer overflow safety, left-shift overflow safety
Diffstat (limited to 'src/arch/aarch64/CodeGen.zig')
| -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 }, |