From: Austin Clements <austin@google.com>
Date: Fri, 21 Nov 2014 20:58:29 +0000 (-0500)
Subject: [dev.cc] liblink: more docs on Prog and Addr fields
X-Git-Tag: go1.5beta1~2688^2~13
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=cabc55532624706eb6ee0b92347e7461e146e244;p=gostls13.git

[dev.cc] liblink: more docs on Prog and Addr fields

LGTM=rsc
R=rsc, dave
CC=golang-codereviews
https://golang.org/cl/174530043
---

diff --git a/include/link.h b/include/link.h
index 33a66e93cb..2b1d02102b 100644
--- a/include/link.h
+++ b/include/link.h
@@ -62,7 +62,7 @@ struct	Addr
 	short	type;
 	uint8	index;
 	int8	scale;
-	int8	reg;	// for 5l, 9l
+	int8	reg;	// for 5l, 9l; GPRs and FPRs both start at 0
 	int8	name; // for 5l, 9l
 	int8	class;	// for 5l, 9l
 	uint8	etype; // for 5g, 6g, 8g
@@ -94,6 +94,7 @@ struct	Prog
 	// operands
 	Addr	from;
 	uchar	reg; // arm, power64 only (e.g., ADD from, reg, to);
+		     // starts at 0 for both GPRs and FPRs;
 		     // also used for ADATA width on arm, power64
 	Addr	from3; // power64 only (e.g., RLWM/FMADD from, reg, from3, to)
 	Addr	to;