From e7aa41ff3f6820d8ada3fd650d523c7f7d584fda Mon Sep 17 00:00:00 2001
From: slangmgh <37659406+slangmgh@users.noreply.github.com>
Date: Mon, 7 Jun 2021 17:42:32 +0800
Subject: fix 18186 with adding importc _umul128 (#18200)

---
 lib/system/dragonbox.nim | 3 ++-
 lib/system/schubfach.nim | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/system/dragonbox.nim b/lib/system/dragonbox.nim
index db608c630..eec8749da 100644
--- a/lib/system/dragonbox.nim
+++ b/lib/system/dragonbox.nim
@@ -867,10 +867,11 @@ when defined(sizeof_Int128):
     return (hi, lo)
 
 elif defined(vcc) and defined(cpu64):
+  proc umul128(x, y: uint64, z: ptr uint64): uint64 {.importc: "_umul128", header: "<intrin.h>".}
   proc mul128*(x: uint64; y: uint64): uint64x2 {.inline.} =
     var hi: uint64 = 0
     var lo: uint64 = umul128(x, y, addr(hi))
-    return (hi, lo)
+    return uint64x2(hi: hi, lo: lo)
 
 else:
   proc lo32*(x: uint64): uint32 {.inline.} =
diff --git a/lib/system/schubfach.nim b/lib/system/schubfach.nim
index c344b7425..94d3d3c25 100644
--- a/lib/system/schubfach.nim
+++ b/lib/system/schubfach.nim
@@ -147,6 +147,7 @@ when defined(sizeof_Int128):
     return y1 or uint32(y0 > 1)
 
 elif defined(vcc) and defined(cpu64):
+  proc umul128(x, y: uint64, z: ptr uint64): uint64 {.importc: "_umul128", header: "<intrin.h>".}
   proc roundToOdd(g: uint64; cpHi: uint32): uint32 {.inline.} =
     var p1: uint64 = 0
     var p0: uint64 = umul128(g, cpHi, addr(p1))
-- 
cgit 1.4.1-2-gfad0