Fix some portability issues with the JIT compiler.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/lj_snap.c b/src/lj_snap.c
index c044923a..a3c081e1 100644
--- a/src/lj_snap.c
+++ b/src/lj_snap.c
@@ -406,7 +406,10 @@ const BCIns *lj_snap_restore(jit_State *J, void *exptr)
         if (irt_isinteger(t)) {
           setintV(o, (int32_t)ex->gpr[r-RID_MIN_GPR]);
         } else if (irt_isnum(t)) {
-          setnumV(o, ex->fpr[r-RID_MIN_FPR]);
+          if (RID_NUM_FPR)
+            setnumV(o, ex->fpr[r-RID_MIN_FPR]);
+          else
+            setnumV(o, *(double *)&ex->gpr[r-RID_MIN_GPR]);
 #if LJ_64
         } else if (irt_islightud(t)) {
           /* 64 bit lightuserdata which may escape already has the tag bits. */