From b3a30acb30a241cd4625eff9b4b8037978983b73 Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Mon, 17 Aug 1987 16:24:56 +0000
Subject: [PATCH] some more additions

---
 mach/i86/cg/table | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/mach/i86/cg/table b/mach/i86/cg/table
index a73f66438..ec141b9e4 100644
--- a/mach/i86/cg/table
+++ b/mach/i86/cg/table
@@ -375,6 +375,7 @@ lol lal sti $1==$2 && $3<=2 | | |					| |
 #ifdef REGVARS
 stl inreg($1)==2
 		| rmorconst |
+			remove(regvar($1))
 			move(%[1], regvar($1))			|	| |
 ...		| nocoercions : STACK |
 			"pop %(regvar($1)%)" samecc		|  | |(1,8)
@@ -786,6 +787,7 @@ rmu !defined($1)| X_ACC |
 			"call .rmu" erase(%[1])     |	    | |
 */
 slu		| |	|				    | sli $1 |
+lol loc slu	| |	|				    | lol $1 loc $2 sli $3 |
 loc sru $1==1 && $2==2 | X_REG |
 			"shr %[1],1"
 			setcc(%[1]) erase(%[1])      | %[1] | | (2,2)
@@ -1045,6 +1047,7 @@ inc		| X_REG |
 			setcc(%[1]) erase(%[1])      | %[1] | |(1,2)
 #ifdef REGVARS
 inl inreg($1)==2| |
+			remove(regvar($1))
 			"inc %(regvar($1)%)"
 			setcc(regvar($1))	     |	    | |(1,2)
 #endif
@@ -1060,6 +1063,7 @@ dec		| X_REG |
 			setcc(%[1]) erase(%[1])      | %[1] | |(1,2)
 #ifdef REGVARS
 del inreg($1)==2| |
+			remove(regvar($1))
 			"dec %(regvar($1)%)"
 			setcc(regvar($1))	     |	    | |(1,2)
 #endif
@@ -1072,6 +1076,7 @@ dee		| |	remove(indirects)
 			setcc({EXTERN2,$1})	     |	    | |(4,21)
 #ifdef REGVARS
 zrl inreg($1)==2| |
+			remove(regvar($1))
 			move({ANYCON,0},regvar($1))	|	| |
 #endif
 zrl		| |	remove(indexed)
@@ -1111,6 +1116,7 @@ zer !defined($1)| X_CXREG |
 
 #ifdef REGVARS
 lol adi stl $1==$3 && $2==2 && inreg($1)==2 | rmorconst |
+			remove(regvar($1))
 			"add %(regvar($1)%),%[1]"
 			setcc(regvar($1))		  | | |
 #endif
@@ -1125,7 +1131,42 @@ ldl adi sdl $1==$3 && $2==4 | regorconst regorconst |
 			"add $1(bp),%[1]"
 			"adc %($1+2%)(bp),%[2]"		   | | |
 #ifdef REGVARS
+lol loc sbi stl $1==$4 && $3==2 | |
+			remove(regvar($1))
+			"sub %(regvar($1)%),$2"
+			setcc(regvar($1))		   | | |
+lol loc sli stl $1==$4 && $2==1 && $3==2 | |
+			remove(regvar($1))
+			"sal %(regvar($1)%),1"
+			setcc(regvar($1))		| | |
+lol loc sli stl $1==$4 && $2==2 && $3==2 | |
+			remove(regvar($1))
+			"sal %(regvar($1)%),1"
+			"sal %(regvar($1)%),1"
+			setcc(regvar($1))		| | |
+lol loc sli stl $1==$4 && $3==2 | |
+			remove(regvar($1))
+			allocate(CXREG = {ANYCON, $2})
+			"sar %(regvar($1)%),cl"
+			setcc(regvar($1))		| | |
+lol loc sri stl $1==$4 && $2==1 && $3==2 | |
+			remove(regvar($1))
+			"sar %(regvar($1)%),1"
+			setcc(regvar($1))		| | |
+lol loc sri stl $1==$4 && $2==2 && $3==2 | |
+			remove(regvar($1))
+			"sar %(regvar($1)%),1"
+			"sar %(regvar($1)%),1"
+			setcc(regvar($1))		| | |
+lol loc sri stl $1==$4 && $3==2 | |
+			remove(regvar($1))
+			allocate(CXREG = {ANYCON, $2})
+			"sar %(regvar($1)%),cl"
+			setcc(regvar($1))		| | |
+#endif
+#ifdef REGVARS
 lol ngi stl $1==$3 && $2==2 && inreg($1)==2 | |
+			remove(regvar($1))
 			"neg %(regvar($1)%)"
 			setcc(regvar($1))		  | | |
 #endif
@@ -1157,6 +1198,7 @@ lol adp stl $1==$3 && $2==1 | | | | inl $1 |
 lol adp stl $1==$3 && $2==0-1 | | | | del $1 |
 #ifdef REGVARS
 lol adp stl $1==$3 && inreg($1)==2    | |
+			remove(regvar($1))
 			"add %(regvar($1)%),$2"
 			setcc(regvar($1))		  | | |
 #endif
@@ -1167,6 +1209,7 @@ lol adp stl $1==$3	    | |
 			setcc({LOCAL2, $1, 2})		  | | |
 #ifdef REGVARS
 lol and stl $1==$3 && $2==2 && inreg($1)==2 | rmorconst |
+			remove(regvar($1))
 			"and %(regvar($1)%),%[1]"
 			setcc(regvar($1))		  | | |
 #endif
@@ -1177,6 +1220,7 @@ lol and stl $1==$3 && $2==2 | regorconst |
 			setcc({LOCAL2, $1, 2})		  | | |
 #ifdef REGVARS
 lol ior stl $1==$3 && $2==2 && inreg($1)==2 | rmorconst |
+			remove(regvar($1))
 			"or %(regvar($1)%),%[1]"
 			setcc(regvar($1))		  | | |
 #endif
@@ -1187,6 +1231,7 @@ lol ior stl $1==$3 && $2==2 | regorconst |
 			setcc({LOCAL2, $1, 2})		  | | |
 #ifdef REGVARS
 lol com stl $1==$3 && $2==2 && inreg($1)==2 | |
+			remove(regvar($1))
 			"not %(regvar($1)%)"
 			samecc				  | | |
 #endif
-- 
2.34.1