added AddSP emitter

diff --git a/ir/be/ia32/ia32_emitter.c b/ir/be/ia32/ia32_emitter.c
index 9ee652e..b621521 100644 (file)
--- a/ir/be/ia32/ia32_emitter.c
+++ b/ir/be/ia32/ia32_emitter.c
@@ -1616,6 +1616,19 @@ static void emit_be_Call(const ir_node *irn, ia32_emit_env_t *emit_env) {
        IA32_DO_EMIT(irn);
 }
 
+/**
+ * Emits code to increase stack pointer.
+ */
+static void emit_be_AddSP(const ir_node *irn, ia32_emit_env_t *emit_env) {
+       FILE          *F = emit_env->out;
+       char cmd_buf[SNPRINTF_BUF_LEN], cmnt_buf[SNPRINTF_BUF_LEN];
+
+       lc_esnprintf(ia32_get_arg_env(), cmd_buf, SNPRINTF_BUF_LEN, "sub %1D, %2S", irn, irn);
+       snprintf(cmnt_buf, SNPRINTF_BUF_LEN, "/* reserve space on stack */");
+
+       IA32_DO_EMIT(irn);
+}
+
 /**
  * Emits code to increase stack pointer.
  */
@@ -1819,6 +1832,7 @@ static void ia32_register_emitters(void) {
 
        /* benode emitter */
        BE_EMIT(Call);
+       BE_EMIT(AddSP);
        BE_EMIT(IncSP);
        BE_EMIT(SetSP);
        BE_EMIT(Copy);