diff options
Diffstat (limited to 'src/generator.c')
| -rw-r--r-- | src/generator.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/generator.c b/src/generator.c index f5ae850..23cc315 100644 --- a/src/generator.c +++ b/src/generator.c @@ -256,6 +256,27 @@ void generate_expr_into_rax(Node *expr, FILE *out) fprintf(out, " setge al\n"); fprintf(out, " movzx rax, al\n"); + } else if (expr->type == OP_BWAND) { + generate_expr_into_rax(expr->binary.right, out); + fprintf(out, " push rax\n"); + generate_expr_into_rax(expr->binary.left, out); + fprintf(out, " pop rbx\n"); + fprintf(out, " and rax, rbx\n"); + + } else if (expr->type == OP_BWOR) { + generate_expr_into_rax(expr->binary.right, out); + fprintf(out, " push rax\n"); + generate_expr_into_rax(expr->binary.left, out); + fprintf(out, " pop rbx\n"); + fprintf(out, " or rax, rbx\n"); + + } else if (expr->type == OP_XOR) { + generate_expr_into_rax(expr->binary.right, out); + fprintf(out, " push rax\n"); + generate_expr_into_rax(expr->binary.left, out); + fprintf(out, " pop rbx\n"); + fprintf(out, " xor rax, rbx\n"); + // Note: These are different because of short-circuit evaluation! } else if (expr->type == OP_OR) { generate_expr_into_rax(expr->binary.left, out); @@ -287,7 +308,7 @@ void generate_expr_into_rax(Node *expr, FILE *out) fprintf(out, ".and_end_%d:\n", label_counter); label_counter++; - } else if (expr->type == AST_CONDITIONAL) { + } else if (expr->type == AST_CONDITIONAL) { int cur_label = label_counter++; generate_expr_into_rax(expr->conditional.cond, out); // If left is false, we can short-circuit |