From 81a32ec305ee871d8129978bf3d57bc108bec46b Mon Sep 17 00:00:00 2001
From: noneofyourbusiness <noneofyourbusiness@danwin1210.de>
Date: Sat, 2 Dec 2023 17:07:16 +0100
Subject: [PATCH] riscv64-asm.c: asm_emit_j: correct check of immediate

---
 riscv64-asm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/riscv64-asm.c b/riscv64-asm.c
index 8da006fc..1e6bada8 100644
--- a/riscv64-asm.c
+++ b/riscv64-asm.c
@@ -291,8 +291,9 @@ static void asm_emit_j(int token, uint32_t opcode, const Operand* rd, const Oper
 
     imm = rs2->e.v;
 
-    if (imm >= 0x100000) {
-        tcc_error("'%s': Expected second source operand that is an immediate value between 0 and 0xfffff", get_tok_str(token, NULL));
+    /* even offsets in a +- 1 MiB range */
+    if (imm > 0x1ffffe) {
+        tcc_error("'%s': Expected second source operand that is an immediate value between 0 and 0x1fffff", get_tok_str(token, NULL));
         return;
     }