YJIT: Assert that lea is only used with a mem operand

XrXr · Jan 25, 2024 · d0c1188 · d0c1188
1 parent e452caa
commit d0c1188
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/yjit/src/asm/x86_64/mod.rs b/yjit/src/asm/x86_64/mod.rs
@@ -952,6 +952,7 @@ pub fn jmp32(cb: &mut CodeBlock, offset: i32) {
 pub fn lea(cb: &mut CodeBlock, dst: X86Opnd, src: X86Opnd) {
     if let X86Opnd::Reg(reg) = dst {
         assert!(reg.num_bits == 64);
+        assert!(matches!(src, X86Opnd::Mem(_)));
         write_rm(cb, false, true, dst, src, None, &[0x8d]);
     } else {
         unreachable!();