doc/go1.4: mention pc-relative addressing on amd64

CC=golang-codereviews
https://golang.org/cl/124580043

diff --git a/doc/go1.4.txt b/doc/go1.4.txt
index 60e4bd9e68daaf8aae3a1030527f84931642997c..b3ba7480d61b173de03765b463a30cd153914bf3 100644 (file)
--- a/doc/go1.4.txt
+++ b/doc/go1.4.txt
@@ -7,6 +7,7 @@ Please keep the list sorted (as in sort.Strings of the lines).
 
 spec: permit for range x (CL 104680043)
 
+cmd/6l, liblink: use pc-relative addressing for all memory references, so that linking Go binaries at high addresses works (CL 125140043). This cuts the maximum size of a Go binary's text+data+bss from 4GB to 2GB.
 cmd/go: import comments (CL 124940043)
 cmd/go: implement "internal" (CL 120600043)