From mboxrd@z Thu Jan  1 00:00:00 1970
From: Latchesar Ionkov <lucho@ionkov.net>
To: 9fans@cse.psu.edu
Message-ID: <20031218154723.GA12304@ionkov.net>
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Subject: [9fans] Two patches for 8l
Date: Thu, 18 Dec 2003 10:47:23 -0500
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Hi,

The first patch (add-8l.diff) fixes the ADDL $-1 --> DECL bug.

The second one (fucom-8l.diff) fixes bugs in FUCOM* instructions -- I guess
nobody used them before.

The patches are created using diff -u in Linux. Let me know if you prefer
another diff format.

Thanks,
	Lucho

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Content-Disposition: attachment; filename="add-8l.diff"

diff -ubr 8l.orig/obj.c 8l/obj.c
--- 8l.orig/obj.c	2003-02-17 12:45:48.000000000 -0500
+++ 8l/obj.c	2003-12-18 10:35:16.000000000 -0500
@@ -984,22 +984,6 @@
 		}
 		goto casdef;

-	case AADDL:
-		if(p->from.type == D_CONST)
-		if(p->from.offset < 0) {
-			p->as = ASUBL;
-			p->from.offset = -p->from.offset;
-		}
-		goto casdef;
-
-	case ASUBL:
-		if(p->from.type == D_CONST)
-		if(p->from.offset < 0) {
-			p->as = AADDL;
-			p->from.offset = -p->from.offset;
-		}
-		goto casdef;
-
 	casdef:
 	default:
 		if(skip)
diff -ubr 8l.orig/optab.c 8l/optab.c
--- 8l.orig/optab.c	2002-03-23 21:47:12.000000000 -0500
+++ 8l/optab.c	2003-12-18 10:35:15.000000000 -0500
@@ -38,8 +38,6 @@
 };
 uchar	yaddl[] =
 {
-	Yi1,	Yrl,	Z_rp,	1,
-	Yi1,	Yml,	Zo_m,	2,
 	Yi8,	Yml,	Zibo_m,	2,
 	Yi32,	Yax,	Zil_,	1,
 	Yi32,	Yml,	Zilo_m,	2,
@@ -321,8 +319,8 @@
 	{ AADCL,	yxorl,	Px, 0x83,(02),0x15,0x81,(02),0x11,0x13 },
 	{ AADCW,	yxorl,	Pe, 0x83,(02),0x15,0x81,(02),0x11,0x13 },
 	{ AADDB,	yxorb,	Px, 0x04,0x80,(00),0x00,0x02 },
-	{ AADDL,	yaddl,	Px, 0x40,0xff,(00),0x83,(00),0x05,0x81,(00),0x01,0x03 },
-	{ AADDW,	yaddl,	Pe, 0x40,0xff,(00),0x83,(00),0x05,0x81,(00),0x01,0x03 },
+	{ AADDL,	yaddl,	Px, 0x83,(00),0x05,0x81,(00),0x01,0x03 },
+	{ AADDW,	yaddl,	Pe, 0x83,(00),0x05,0x81,(00),0x01,0x03 },
 	{ AADJSP },
 	{ AANDB,	yxorb,	Pb, 0x24,0x80,(04),0x20,0x22 },
 	{ AANDL,	yxorl,	Px, 0x83,(04),0x25,0x81,(04),0x21,0x23 },
@@ -526,8 +524,8 @@
 	{ ASTOSL,	ynone,	Px, 0xab },
 	{ ASTOSW,	ynone,	Pe, 0xab },
 	{ ASUBB,	yxorb,	Pb, 0x2c,0x80,(05),0x28,0x2a },
-	{ ASUBL,	yaddl,	Px, 0x48,0xff,(01),0x83,(05),0x2d,0x81,(05),0x29,0x2b },
-	{ ASUBW,	yaddl,	Pe, 0x48,0xff,(01),0x83,(05),0x2d,0x81,(05),0x29,0x2b },
+	{ ASUBL,	yaddl,	Px, 0x83,(05),0x2d,0x81,(05),0x29,0x2b },
+	{ ASUBW,	yaddl,	Pe, 0x83,(05),0x2d,0x81,(05),0x29,0x2b },
 	{ ASYSCALL,	ynone,	Px, 0xcd,100 },
 	{ ATESTB,	ytestb,	Pb, 0xa8,0xf6,(00),0x84,0x84 },
 	{ ATESTL,	ytestl,	Px, 0xa9,0xf7,(00),0x85,0x85 },

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Content-Disposition: attachment; filename="fucom-8l.diff"

diff -ubr 8l.orig/optab.c 8l/optab.c
--- 8l.orig/optab.c	2002-03-23 21:47:12.000000000 -0500
+++ 8l/optab.c	2003-12-18 10:36:41.000000000 -0500
@@ -572,9 +572,9 @@
 	{ AFCOMW,	yfmvx,	Px, 0xde,(02) },
 	{ AFCOMWP,	yfmvx,	Px, 0xde,(03) },

-	{ AFUCOM,	yfmvx,	Px, 0xdd,(04) },
-	{ AFUCOMP,	yfmvx,	Px, 0xdd,(05) },
-	{ AFUCOMPP,	yfmvx,	Px, 0xda,(05) },
+	{ AFUCOM,	ycompp,	Px, 0xdd,(04) },
+	{ AFUCOMP,	ycompp, Px, 0xdd,(05) },
+	{ AFUCOMPP,	ycompp,	Px, 0xda,(13) },

 	{ AFADDDP,	yfaddp,	Px, 0xde,(00) },
 	{ AFADDW,	yfmvx,	Px, 0xde,(00) },

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