From 58818388634ac42301e50c9b2dbd65340fb3ab70 Mon Sep 17 00:00:00 2001
From: Torbjorn Granlund <tg@gmplib.org>
Date: Wed, 30 Mar 2022 23:11:05 +0200
Subject: (loongarch64 umul_ppmm): New #define.

---
 longlong.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/longlong.h b/longlong.h
index bf35f5389..be1c3cbc6 100644
--- a/longlong.h
+++ b/longlong.h
@@ -1156,6 +1156,17 @@ extern UWtype __MPN(udiv_qrnnd) (UWtype *, UWtype, UWtype, UWtype);
 #endif /* i960mx */
 #endif /* i960 */
 
+
+#if defined (__loongarch64) && W_TYPE_SIZE == 64
+#define umul_ppmm(w1, w0, u, v) \
+  do {									\
+    UDItype __u = (u), __v = (v);					\
+    (w0) = __u * __v;							\
+    (w1) = (unsigned __int128__) __u * __v >> 64;			\
+  } while (0)
+#endif
+
+
 #if (defined (__mc68000__) || defined (__mc68020__) || defined(mc68020) \
      || defined (__m68k__) || defined (__mc5200__) || defined (__mc5206e__) \
      || defined (__mc5307__)) && W_TYPE_SIZE == 32
-- 
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