commit 1802a9f8fe657e270fe3fb2c9ca324fe3aec4591
author Michael J. Spencer <bigcheesegs@gmail.com> Sun Oct 10 22:04:34 2010 +0000
committer Michael J. Spencer <bigcheesegs@gmail.com> Sun Oct 10 22:04:34 2010 +0000
tree 84780ea9726c3aa5e3eab9cfe89f8651e03a0b67
parent ec38de2ca87d738aa3d4d5c36740f29f1a9f27de

X86: Call _alldiv instead of __divdi3 on Windows (excluding cygwin).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116174 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 89ae4e8..74fe647 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -96,6 +96,12 @@
   setSchedulingPreference(Sched::RegPressure);
   setStackPointerRegisterToSaveRestore(X86StackPtr);
 
+  if (Subtarget->isTargetWindows() && !Subtarget->isTargetCygwin()) {
+    // Setup Windows compiler runtime calls.
+    setLibcallName(RTLIB::SDIV_I64, "_alldiv");
+    setLibcallCallingConv(RTLIB::SDIV_I64, CallingConv::X86_StdCall);
+  }
+
   if (Subtarget->isTargetDarwin()) {
     // Darwin should use _setjmp/_longjmp instead of setjmp/longjmp.
     setUseUnderscoreSetJmp(false);