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| author | Andrew Kelley <andrew@ziglang.org> | 2021-11-21 19:39:32 -0700 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2021-11-21 19:43:08 -0700 |
| commit | 6afcaf4a08b6fb1cce0cdb2393fc1d4cd041509c (patch) | |
| tree | bf4a17c51d53b720077e8315c5d0a38f20eba219 /src/codegen.zig | |
| parent | 96e5f661bd34d98bba89bcb70c9db059aaf38641 (diff) | |
| download | zig-6afcaf4a08b6fb1cce0cdb2393fc1d4cd041509c.tar.gz zig-6afcaf4a08b6fb1cce0cdb2393fc1d4cd041509c.zip | |
stage2: fix the build for 32-bit architectures
* Introduce a mechanism into Sema for emitting a compile error when an
integer is too big and we need it to fit into a usize.
* Add `@intCast` where necessary
* link/MachO: fix an unnecessary allocation when all that was happening
was appending zeroes to an ArrayList.
* Add `error.Overflow` as a possible error to some codepaths, allowing
usage of `math.intCast`.
closes #9710
Diffstat (limited to 'src/codegen.zig')
| -rw-r--r-- | src/codegen.zig | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/codegen.zig b/src/codegen.zig index 0f13b43c36..3a74342adf 100644 --- a/src/codegen.zig +++ b/src/codegen.zig @@ -37,6 +37,7 @@ pub const Result = union(enum) { pub const GenerateSymbolError = error{ OutOfMemory, + Overflow, /// A Decl that this symbol depends on had a semantic analysis failure. AnalysisFail, }; @@ -289,7 +290,8 @@ pub fn generateSymbol( const field_vals = typed_value.val.castTag(.@"struct").?.data; _ = field_vals; // TODO write the fields for real const target = bin_file.options.target; - try code.writer().writeByteNTimes(0xaa, typed_value.ty.abiSize(target)); + const abi_size = try math.cast(usize, typed_value.ty.abiSize(target)); + try code.writer().writeByteNTimes(0xaa, abi_size); return Result{ .appended = {} }; }, else => |t| { |