1 files changed, 0 insertions, 112 deletions
diff --git a/src/cmd/8g/reg.c b/src/cmd/8g/reg.c
deleted file mode 100644
index 0470bdf7b5..0000000000
--- a/src/cmd/8g/reg.c
+++ /dev/null
@@ -1,112 +0,0 @@
-// Derived from Inferno utils/6c/reg.c
-// http://code.google.com/p/inferno-os/source/browse/utils/6c/reg.c
-//
-//	Copyright © 1994-1999 Lucent Technologies Inc.  All rights reserved.
-//	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
-//	Portions Copyright © 1997-1999 Vita Nuova Limited
-//	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
-//	Portions Copyright © 2004,2006 Bruce Ellis
-//	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
-//	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
-//	Portions Copyright © 2009 The Go Authors.  All rights reserved.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#include <u.h>
-#include <libc.h>
-#include "gg.h"
-#include "../gc/popt.h"
-
-enum {
-	NREGVAR = 16,	/* 8 integer + 8 floating */
-};
-
-static char* regname[] = {
-	".ax", ".cx", ".dx", ".bx", ".sp", ".bp", ".si", ".di",
-	".x0", ".x1", ".x2", ".x3", ".x4", ".x5", ".x6", ".x7",
-};
-
-char**
-regnames(int *n)
-{
-	*n = NREGVAR;
-	return regname;
-}
-
-uint64
-excludedregs(void)
-{
-	return RtoB(REG_SP);
-}
-
-uint64
-doregbits(int r)
-{
-	uint64 b;
-
-	b = 0;
-	if(r >= REG_AX && r <= REG_DI)
-		b |= RtoB(r);
-	else
-	if(r >= REG_AL && r <= REG_BL)
-		b |= RtoB(r-REG_AL+REG_AX);
-	else
-	if(r >= REG_AH && r <= REG_BH)
-		b |= RtoB(r-REG_AH+REG_AX);
-	else
-	if(r >= REG_X0 && r <= REG_X0+7)
-		b |= FtoB(r);
-	return b;
-}
-
-uint64
-RtoB(int r)
-{
-
-	if(r < REG_AX || r > REG_DI)
-		return 0;
-	return 1ULL << (r-REG_AX);
-}
-
-int
-BtoR(uint64 b)
-{
-
-	b &= 0xffL;
-	if(b == 0)
-		return 0;
-	return bitno(b) + REG_AX;
-}
-
-uint64
-FtoB(int f)
-{
-	if(f < REG_X0 || f > REG_X7)
-		return 0;
-	return 1ULL << (f - REG_X0 + 8);
-}
-
-int
-BtoF(uint64 b)
-{
-	b &= 0xFF00L;
-	if(b == 0)
-		return 0;
-	return bitno(b) - 8 + REG_X0;
-}