Some less important changes

diff --git a/mach/i80/ncg/table b/mach/i80/ncg/table
index e06d21a..39a7946 100644 (file)
--- a/mach/i80/ncg/table
+++ b/mach/i80/ncg/table
@@ -356,7 +356,7 @@ with dereg
   uses areg
   gen ldax de                          yields a
 with hlreg
-  uses reg
+  uses reusing %1, reg
   gen mov %a,{m}                       yields %a
 
 pat loi $1==2
@@ -813,13 +813,11 @@ gen Call {label,".sri4"}
 
 
 /********************************************/
-/* Group 5: Floating point artihmetic      */
+/* Group 5: Floating point arithmetic      */
 /********************************************/
 
-pat lof                        gen Call {label,"eunimpl"}
-pat ldf                        gen Call {label,"eunimpl"}
-pat stf                        gen Call {label,"eunimpl"}
-pat sdf                        gen Call {label,"eunimpl"}
+/* Floating points are not supported */
+
 pat adf                        gen Call {label,"eunimpl"}
 pat sbf                        gen Call {label,"eunimpl"}
 pat mlf                        gen Call {label,"eunimpl"}
@@ -827,13 +825,6 @@ pat dvf                    gen Call {label,"eunimpl"}
 pat ngf                        gen Call {label,"eunimpl"}
 pat fif                        gen Call {label,"eunimpl"}
 pat fef                        gen Call {label,"eunimpl"}
-pat zrf                        gen Call {label,"eunimpl"}
-pat cfi                        gen Call {label,"eunimpl"}
-pat cif                        gen Call {label,"eunimpl"}
-pat cuf                        gen Call {label,"eunimpl"}
-pat cff                        gen Call {label,"eunimpl"}
-pat cfu                        gen Call {label,"eunimpl"}
-pat cmf                        gen Call {label,"eunimpl"}
 
 /********************************************/
 /* Group 6: Pointer arithmetic              */
@@ -926,6 +917,8 @@ pat zre
 uses hlreg={const2,0}
 gen shld {label,$1}
 
+pat zrf                        gen Call {label,"eunimpl"}
+
 pat zer $1==2                          yields {const2,0}
 
 pat zer $1==4                          yields {const2,0} {const2,0}
@@ -970,7 +963,7 @@ with hl_or_de hl_or_de                      yields %1
 
 pat loc loc cii $1==1 && $2==2
 with reg
-uses areg=%1, hl_or_de
+uses reusing %1, areg=%1, hl_or_de
 gen move {const1,0},%b.1
     move a,%b.2
     ora a
@@ -1040,6 +1033,12 @@ with STACK
 uses areg={const1,0}
 gen Call {label,".cii"}
 
+pat cfi                        gen Call {label,"eunimpl"}
+pat cif                        gen Call {label,"eunimpl"}
+pat cuf                        gen Call {label,"eunimpl"}
+pat cff                        gen Call {label,"eunimpl"}
+pat cfu                        gen Call {label,"eunimpl"}
+ 
 /*****************************************/
 /* Group 9: Logical instructions         */
 /*****************************************/
@@ -1325,6 +1324,8 @@ with STACK
 uses areg={const1,1}
 gen Call {label,".cmi4"}               yields de
 
+pat cmf                        gen Call {label,"eunimpl"}
+ 
 pat cmu $1==2
 with hl_or_de hl_or_de
 uses areg
@@ -1559,6 +1560,22 @@ with                                     yields {const2,$1}
 /* Group 13: Branch instructions           */
 /*******************************************/
 
+pat loc beq $1>=0 && $1<=255
+with exact reg
+uses reusing %1, areg=%1
+gen cpi {const1,$1}
+    jz {label,$2}
+with                                   yields {const2,$1}
+                                               leaving beq $2
+ 
+pat loc bne $1>=0 && $1<=255
+with exact reg
+uses reusing %1, areg=%1
+gen cpi {const1,$1}
+    jnz {label,$2}
+with                                   yields {const2,$1}
+                                               leaving bne $2
+ 
 pat bra
 with STACK
 gen jmp {label,$1}