Alignment values for i64 and f64 on ppc64 were wrong,

possibly for the reason suggested by the comment.
No wonder it didn't work very well.  This unblocks
bootstrap with assertions on ppc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65601 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index bb29d449507a31af0156725fa8c8b73ce43d5142..d268a7d9b73a019ee12835da334ac297c301a8ee 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -108,7 +108,9 @@ public:
   /// getTargetDataString - Return the pointer size and type alignment
   /// properties of this subtarget.
   const char *getTargetDataString() const {
-    return isPPC64() ? "E-p:64:64-f64:32:64-i64:32:64-f128:64:128"
+    // Note, the alignment values for f64 and i64 on ppc64 in Darwin
+    // documentation are wrong; these are correct (i.e. "what gcc does").
+    return isPPC64() ? "E-p:64:64-f64:64:64-i64:64:64-f128:64:128"
                      : "E-p:32:32-f64:32:64-i64:32:64-f128:64:128";
   }