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| author | Ting-Wei Lan <lantw44@gmail.com> | 2016-01-21 16:53:22 +0800 |
|---|---|---|
| committer | Ting-Wei Lan <lantw44@gmail.com> | 2016-01-21 17:54:31 +0800 |
| commit | 067bbf1f8f007070777f82ca6aefd409d426ebdd (patch) | |
| tree | a16eea32bd002e0943a7b8b7f490d719dc95bff7 | |
| parent | 17d17e0ee801ba40cd8f83d29422449001d19941 (diff) | |
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Reverse the order of arguments on the stack
| -rw-r--r-- | src/code-generation.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/code-generation.c b/src/code-generation.c index a96aaf6..8dfc8ac 100644 --- a/src/code-generation.c +++ b/src/code-generation.c @@ -444,6 +444,10 @@ static void call_function(CcmmcAst *id, CcmmcState *state, generate_expression(arg, state, dists[i], current_offset); ccmmc_register_save_arguments(state->reg_pool, stored_param_count); ccmmc_register_caller_save(state->reg_pool); + if (call_param_count > 8) + fprintf(state->asm_output, + "\tsub\tsp, sp, %zu\n", + (call_param_count - 8) * 8); for (i = 0, arg = id->right_sibling->child; i < call_param_count; i++, arg = arg->right_sibling) { if (ccmmc_symbol_type_is_array(func_sym->type.param_list[i])) { @@ -489,7 +493,8 @@ static void call_function(CcmmcAst *id, CcmmcState *state, "\tmov\tx%zu, " REG_TMP "\n", i); else fprintf(state->asm_output, - "\tstr\t" REG_TMP ", [sp, -8]!\n"); + "\tstr\t" REG_TMP ", [sp, %zu]\n", + (i - 8) * 8); #undef REG_TMP ccmmc_register_unlock(state->reg_pool, offset); ccmmc_register_free(state->reg_pool, offset, current_offset); @@ -524,9 +529,9 @@ static void call_function(CcmmcAst *id, CcmmcState *state, else fprintf(state->asm_output, "\tsxtw\t%s, %s\n" - "\tstr\t%s, [sp, -8]!\n", + "\tstr\t%s, [sp, %zu]\n", dist_extend, dist_reg, - dist_reg); + dist_extend, (i - 8) * 8); ccmmc_register_unlock(state->reg_pool, dists[i]); } } |