diff options
Diffstat (limited to 'src/codegen.c')
| -rw-r--r-- | src/codegen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/codegen.c b/src/codegen.c index 19d7079..2e7dc41 100644 --- a/src/codegen.c +++ b/src/codegen.c @@ -57,7 +57,8 @@ static void codegen_func_prologue(CodeGen* g, AstNode* ast) { for (int i = 0; i < ast->node_params->node_len; ++i) { fprintf(g->out, " push %s\n", param_reg(i)); } - fprintf(g->out, " sub rsp, %d\n", ast->node_stack_size); + // Note: rsp must be aligned to 8. + fprintf(g->out, " sub rsp, %d\n", to_aligned(ast->node_stack_size, 8)); } static void codegen_func_epilogue(CodeGen* g, AstNode* ast) { |