target-arm: A64: Avoid signed shifts in disas_ldst_pair()

Avoid shifting potentially negative signed offset values in disas_ldst_pair() by keeping the offset in a uint64_t rather than an int64_t. Signed-off-by: Peter Maydell <[email protected]> Message-id: [email protected]
fatenever · Feb 13, 2015 · c2ebd86 · c2ebd86
1 parent 037e1d0
commit c2ebd86
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
@@ -1917,7 +1917,7 @@ static void disas_ldst_pair(DisasContext *s, uint32_t insn)
     int rt = extract32(insn, 0, 5);
     int rn = extract32(insn, 5, 5);
     int rt2 = extract32(insn, 10, 5);
-    int64_t offset = sextract32(insn, 15, 7);
+    uint64_t offset = sextract64(insn, 15, 7);
     int index = extract32(insn, 23, 2);
     bool is_vector = extract32(insn, 26, 1);
     bool is_load = extract32(insn, 22, 1);