x86: fold certain AVX512 rotate and shift templates

[deliverable/binutils-gdb.git] / gas / write.h

diff --git a/gas/write.h b/gas/write.h
index 4157bc971cb06b941164299e1b711d5eb1faed7e..3c6f2597481cec616f4849d05d8f62343c63e74d 100644 (file)
--- a/gas/write.h
+++ b/gas/write.h
@@ -1,5 +1,5 @@
 /* write.h
-   Copyright (C) 1987-2017 Free Software Foundation, Inc.
+   Copyright (C) 1987-2018 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -27,8 +27,15 @@
 #define FAKE_LABEL_NAME "L0\001"
 #endif
 
-/* This is the special character used to indicate a fake symbol.  Must be
-   present in FAKE_LABEL_NAME.  */
+/* This is a special character that is used to indicate a fake label.
+   It must be present in FAKE_LABEL_NAME, although it does not have to
+   be the first character.  It must not be a character that would be
+   found in a valid symbol name.
+
+   Also be aware that the function _bfd_elf_is_local_label_name in
+   bfd/elf.c has an implicit assumption that FAKE_LABEL_CHAR is '\001'.
+   If this is not the case then FAKE_LABEL_NAME must start with ".L" in
+   order for the function to continue working.  */
 #ifndef FAKE_LABEL_CHAR
 #define FAKE_LABEL_CHAR '\001'
 #endif