Keep track of an Mac OS X / x86 ABI bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27496 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index bc4c19fc92e76c066d719b6c888b647eb3bc70c7..bfff3dd0c142db81dbcfdb92bd519962c00920b0 100644 (file)
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -760,3 +760,8 @@ _test:
        movddup 8(%esp), %xmm0
        movapd %xmm0, (%eax)
        ret
+
+//===---------------------------------------------------------------------===//
+
+A Mac OS X IA-32 specific ABI bug wrt returning value > 8 bytes:
+http://llvm.org/bugs/show_bug.cgi?id=729