INSTALL: Fix mention of thumb-clang.

diff --git a/INSTALL b/INSTALL
index e5b0811..f3c20ed 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -15,15 +15,14 @@ configuring the GRUB.
   Note: older versions may work but support is limited
 
   Experimental support for clang 3.3 or later (results in much bigger binaries)
-  for i386, x86_64, arm (except thumb), arm64, mips(el), powerpc, sparc64
+  for i386, x86_64, arm (including thumb), arm64, mips(el), powerpc, sparc64
   Note: clang 3.2 or later works for i386 and x86_64 targets but results in
         much bigger binaries.
        earlier versions not tested
   Note: clang 3.2 or later works for arm
-       None of tested clang versions generated usable thumb code
        earlier versions not tested
-  Note: clang 3.3 or later works for arm64
-       earlier versions have no arm64 support
+  Note: clang on arm64 is not supported due to
+       https://llvm.org/bugs/show_bug.cgi?id=26030
   Note: clang 3.3 or later works for mips(el)
        earlier versions fail to generate .reginfo and hence gprel relocations
        fail.