# HG changeset patch
# User Frits van Bommel <fvbommel wxs.nl>
# Date 1237766515 -3600
# Node ID f2f13f111e2ed56f941d220f6c8c35c50409dc9e
# Parent  30663babccff0996b026716f81ff5e7908e0f564
Workaround for LLVM PR 3861 (http://llvm.org/PR3861).
(LLVM abort()s in codegen if the second integer in a return value is <= i8 on
x86/x86-64)

This was breaking native compilation of Tango's TempFile module on x86-64.

diff -r 30663babccff -r f2f13f111e2e gen/abi-x86-64.cpp
--- a/gen/abi-x86-64.cpp	Sun Mar 22 14:51:03 2009 +0100
+++ b/gen/abi-x86-64.cpp	Mon Mar 23 01:01:55 2009 +0100
@@ -400,6 +400,15 @@
     bool retStructInRegs(TypeStruct* st) {
         // 'fastcc' allows returns in up to two registers of each kind:
         DRegCount state(2, 2, 2);
+    #if 1
+        // TODO: Disable this if and when LLVM PR 3861 gets fixed.
+        
+        // LLVM currently doesn't allow a second int to be an i1 or i8.
+        // (See <http://llvm.org/PR3861>)
+        // Rather than complicating shouldPassStructInRegs(), just disallow
+        // second integers for now.
+        state.ints = 1;
+    #endif
         return shouldPassStructInRegs(st, state);
     }