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| author | nsfisis <nsfisis@gmail.com> | 2025-08-27 23:04:36 +0900 |
|---|---|---|
| committer | nsfisis <nsfisis@gmail.com> | 2025-08-27 23:04:36 +0900 |
| commit | 82198e776761a6f3f16373d7be2be432b0e76854 (patch) | |
| tree | 55f3714e79c93dd1054b6e467ec1570d6bc7984f /src/codegen.c | |
| parent | 3e4a5690f3b8ecce4414b3a6864d6d7c965c5007 (diff) | |
| download | ducc-82198e776761a6f3f16373d7be2be432b0e76854.tar.gz ducc-82198e776761a6f3f16373d7be2be432b0e76854.tar.zst ducc-82198e776761a6f3f16373d7be2be432b0e76854.zip | |
fix: stack pointer is not aligned to 8 byte boundary
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) { |