From 9a2a1b00be06e0eaa45a25abc0d60f4ca90ebb82 Mon Sep 17 00:00:00 2001
From: Yaossg <yaossg@outlook.com>
Date: Sun, 8 Dec 2024 14:34:58 +0800
Subject: [PATCH] fix overflow indirection

---
 boot.c          | 9 ++++++++-
 test/overflow.c | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/boot.c b/boot.c
index 742cc52..ac401de 100644
--- a/boot.c
+++ b/boot.c
@@ -799,7 +799,14 @@ char* store_op_of_type(int type) {
 // address loaders
 // rd must be one of t0, t1, t2
 void load_local_address(int rd, int slot_id) {
-    asm_addi(reg_name(rd), "sp", slot_id * 8 - 8);
+    int offset = slot_id * 8 - 8;
+    char* rd_name = reg_name(rd);
+    if (check_itype_immediate(offset)) {
+        printf("  addi %s, sp, %d\n", rd_name, offset);
+    } else {
+        printf("  li %s, %d\n", rd_name, offset);
+        printf("  add %s, sp, %s\n", rd_name, rd_name);
+    }
 }
 
 // load a non-trivial register into trivial one
diff --git a/test/overflow.c b/test/overflow.c
index 8bb07f7..a580076 100644
--- a/test/overflow.c
+++ b/test/overflow.c
@@ -1,5 +1,5 @@
 int main() {
-    // int placeholder[1024];
+    int placeholder[1024];
     int a = 1;
     return (a=(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(a+(0)))))))))))))))))))))), (a = a);
 }