1 files changed, 3 insertions, 3 deletions

diff --git a/src/lj_target.h b/src/lj_target.h
index 8575dd5a..13de8fc6 100644
--- a/src/lj_target.h
+++ b/src/lj_target.h
@@ -53,7 +53,7 @@ typedef uint32_t RegSP;
 /* Bitset for registers. 32 registers suffice for most architectures.
 ** Note that one set holds bits for both GPRs and FPRs.
 */
-#if LJ_TARGET_PPC
+#if LJ_TARGET_PPC || LJ_TARGET_MIPS
 typedef uint64_t RegSet;
 #else
 typedef uint32_t RegSet;
@@ -63,11 +63,11 @@ typedef uint32_t RegSet;
 #define RSET_EMPTY              ((RegSet)0)
 #define RSET_RANGE(lo, hi)      ((RID2RSET((hi)-(lo))-1) << (lo))
 
-#define rset_test(rs, r)        (((rs) >> (r)) & 1)
+#define rset_test(rs, r)        ((int)((rs) >> (r)) & 1)
 #define rset_set(rs, r)         (rs |= RID2RSET(r))
 #define rset_clear(rs, r)       (rs &= ~RID2RSET(r))
 #define rset_exclude(rs, r)     (rs & ~RID2RSET(r))
-#if LJ_TARGET_PPC
+#if LJ_TARGET_PPC || LJ_TARGET_MIPS
 #define rset_picktop(rs)        ((Reg)(__builtin_clzll(rs)^63))
 #define rset_pickbot(rs)        ((Reg)__builtin_ctzll(rs))
 #else