add provide-hex, which varies its output width to fit the value

and amd64.e uses it for all the immediates, but not for other kinds of numeric parameter, which looks pretty slick and readable

Force-Push: yes
Change-Id: Ifb630a4dc172d7495b5458316266fe76b75e07af

1 files changed, 2 insertions, 0 deletions

diff --git a/labels.e b/labels.e
index f0629a8..f528219 100644
--- a/labels.e
+++ b/labels.e
@@ -131,6 +131,8 @@
   ~ Mark it used. It's faster to just do this than to check if it's needed.
   dup label-status dup @ 0x01 | swap !
 
+  ~ TODO putting a provide-label magic comment command here would be lovely
+
   ~ Return the guessed value.
   label-value @ ;