An old patch I finally came around to submit.
Verified that the DVI and info output looks ok.
Ok to commit with inherent relicensing and whatever?
gcc:
* doc/tm.texi.in (Addressing Modes) <TARGET_LEGITIMIZE_ADDRESS>:
Mention that this hook needs to be defined for native TLS.
* doc/tm.texi: Regenerate.
Index: doc/tm.texi.in
===================================================================
--- doc/tm.texi.in (revision 187568)
+++ doc/tm.texi.in (working copy)
@@ -5465,8 +5465,10 @@ The code of the hook should not alter th
@var{x}. If it transforms @var{x} into a more legitimate form, it
should return the new @var{x}.
-It is not necessary for this hook to come up with a legitimate address.
-The compiler has standard ways of doing so in all cases. In fact, it
+It is not necessary for this hook to come up with a legitimate address,
+with the exception of native TLS addresses (@pxref{Emulated TLS}).
+The compiler has standard ways of doing so in all cases. In fact, if
+the target supports only emulated TLS, it
is safe to omit this hook or make it return @var{x} if it cannot find
a valid way to legitimize the address. But often a machine-dependent
strategy can generate better code.
brgds, H-P
