diff options
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index 2863335747..254e9f4d23 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -292,10 +292,16 @@ static LLVMValueRef gen_cast_expr(CodeGen *g, AstNode *node) { if (actual_type->data.integral.is_signed && wanted_type->data.integral.is_signed) { return LLVMBuildSExt(g->builder, expr_val, wanted_type->type_ref, ""); } else { - zig_panic("TODO gen_cast_expr sign mismatch"); + zig_panic("TODO gen_cast_expr widen unsigned"); } } else { - zig_panic("TODO gen_cast_expr"); + assert(actual_type->size_in_bits > wanted_type->size_in_bits); + + if (actual_type->data.integral.is_signed && wanted_type->data.integral.is_signed) { + return LLVMBuildTrunc(g->builder, expr_val, wanted_type->type_ref, ""); + } else { + zig_panic("TODO gen_cast_expr shorten unsigned"); + } } case CastOpArrayToString: { |