DUALNUM: Add integer variant of MIN/MAX.

1 files changed, 11 insertions, 3 deletions

diff --git a/src/lj_ffrecord.c b/src/lj_ffrecord.c
index 8077bf84..84957373 100644
--- a/src/lj_ffrecord.c
+++ b/src/lj_ffrecord.c
@@ -488,11 +488,19 @@ static void LJ_FASTCALL recff_math_pow(jit_State *J, RecordFFData *rd)
 
 static void LJ_FASTCALL recff_math_minmax(jit_State *J, RecordFFData *rd)
 {
-  TRef tr = lj_ir_tonum(J, J->base[0]);
+  TRef tr = lj_ir_tonumber(J, J->base[0]);
   uint32_t op = rd->data;
   BCReg i;
-  for (i = 1; J->base[i] != 0; i++)
-    tr = emitir(IRTN(op), tr, lj_ir_tonum(J, J->base[i]));
+  for (i = 1; J->base[i] != 0; i++) {
+    TRef tr2 = lj_ir_tonumber(J, J->base[i]);
+    IRType t = IRT_INT;
+    if (!(tref_isinteger(tr) && tref_isinteger(tr2))) {
+      if (tref_isinteger(tr)) tr = emitir(IRTN(IR_CONV), tr, IRCONV_NUM_INT);
+      if (tref_isinteger(tr2)) tr2 = emitir(IRTN(IR_CONV), tr2, IRCONV_NUM_INT);
+      t = IRT_NUM;
+    }
+    tr = emitir(IRT(op, t), tr, tr2);
+  }
   J->base[0] = tr;
 }