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| author | gracefu <81774659+gracefuu@users.noreply.github.com> | 2021-04-10 14:01:09 +0800 |
|---|---|---|
| committer | gracefu <81774659+gracefuu@users.noreply.github.com> | 2021-04-16 15:21:17 +0800 |
| commit | 613f39eb622d341d036ef418b19778d1f04d5a47 (patch) | |
| tree | 6218de38f6206c0f3d278fdcc975001fdc0e9a39 /src/Sema.zig | |
| parent | c4b83ea02102611a85f75b189f0803d9b6a335c2 (diff) | |
| download | zig-613f39eb622d341d036ef418b19778d1f04d5a47.tar.gz zig-613f39eb622d341d036ef418b19778d1f04d5a47.zip | |
stage2 x86_64: fix comptime integer multiplication when rhs=0
Co-authored-by: joachimschmidt557 <joachim.schmidt557@outlook.com>
Diffstat (limited to 'src/Sema.zig')
| -rw-r--r-- | src/Sema.zig | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/Sema.zig b/src/Sema.zig index 74af84b078..65a196911e 100644 --- a/src/Sema.zig +++ b/src/Sema.zig @@ -3864,10 +3864,15 @@ fn analyzeArithmetic( // incase rhs is 0, simply return lhs without doing any calculations // TODO Once division is implemented we should throw an error when dividing by 0. if (rhs_val.compareWithZero(.eq)) { - return sema.mod.constInst(sema.arena, src, .{ - .ty = scalar_type, - .val = lhs_val, - }); + switch (zir_tag) { + .add, .addwrap, .sub, .subwrap => { + return sema.mod.constInst(sema.arena, src, .{ + .ty = scalar_type, + .val = lhs_val, + }); + }, + else => {}, + } } const value = switch (zir_tag) { |