From 03848bd0e1cf3b39c535110db43e70bd355dc3e5 Mon Sep 17 00:00:00 2001
From: Bernd Schmidt <bernd.schmidt@analog.com>
Date: Tue, 11 Sep 2007 23:20:10 +0000
Subject: bfin.h (enum reg_class, [...]): Add P0REGS.

	* config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
	REG_CLASS_NAMES): Add P0REGS.
	(REGNO_REG_CLASS): Return it where appropriate.
	(REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
	(CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
	* doc/md.texi (Blackfin family): Document 'q' constraints.

From-SVN: r128397
---
 gcc/doc/md.texi | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'gcc/doc')

diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 553c58d..e79444c 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -2250,6 +2250,10 @@ D register
 @item z
 A call clobbered P register.
 
+@item q@var{n}
+A single register.  If @var{n} is in the range 0 to 7, the corresponding D
+register.  If it is @code{A}, then the register P0.
+
 @item D
 Even-numbered D register
 
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