h8300.md: Remove the memory alternative and correct the insn lengths in the templates for...

2000-10-07  Will Cohen  <wcohen@redhat.com>, Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.md: Remove the memory alternative and correct
	the insn lengths in the templates for sign extention and zero
	extention.

From-SVN: r36787

gcc/ChangeLog

+2000-10-07  Will Cohen  <wcohen@redhat.com>, Kazu Hirata  <kazu@hxi.com>
+
+	* config/h8300/h8300.md: Remove the memory alternative and correct
+	the insn lengths in the templates for sign extention and zero
+	extention.
+
 2000-10-07  Richard Henderson  <rth@cygnus.com>
 
 	* calls.c (expand_call): Disallow sibcalls to noreturn functions.

gcc/config/h8300/h8300.md

@@ -1632,7 +1632,7 @@
 
 (define_expand "zero_extendhisi2"
   [(set (match_operand:SI 0 "register_operand" "")
-	(zero_extend:SI (match_operand:HI 1 "general_operand" "")))]
+	(zero_extend:SI (match_operand:HI 1 "register_operand" "")))]
   ""
   "
 {
@@ -1667,18 +1667,16 @@
    (set_attr "cc" "clobber,clobber,clobber")])
 
 (define_insn ""
-  [(set (match_operand:SI 0 "register_operand" "=r,r")
-	(zero_extend:SI (match_operand:HI 1 "general_operand_src" "0,g>")))]
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(zero_extend:SI (match_operand:HI 1 "register_operand" "0")))]
   "TARGET_H8300H || TARGET_H8300S"
-  "@
-  extu.l	%S0
-  mov.w	%T1,%T0\;extu.l	%S0"
-  [(set_attr "length" "2,4")
-   (set_attr "cc" "set_znv,set_znv")])
+  "extu.l	%S0"
+  [(set_attr "length" "2")
+   (set_attr "cc" "set_znv")])
 
 (define_expand "extendqihi2"
   [(set (match_operand:HI 0 "register_operand" "")
-	(sign_extend:HI (match_operand:QI 1 "general_operand" "")))]
+	(sign_extend:HI (match_operand:QI 1 "register_operand" "")))]
   ""
   "")
 
@@ -1693,14 +1691,12 @@
    (set_attr "cc" "clobber,clobber")])
 
 (define_insn ""
-  [(set (match_operand:HI 0 "register_operand" "=r,r")
-	(sign_extend:HI (match_operand:QI 1 "general_operand_src" "0,g>")))]
+  [(set (match_operand:HI 0 "register_operand" "=r")
+	(sign_extend:HI (match_operand:QI 1 "register_operand" "0")))]
   "TARGET_H8300H || TARGET_H8300S"
-  "@
-  exts.w	%T0
-  mov.b	%R1,%s0\;exts.w	%T0"
-  [(set_attr "length" "2,4")
-   (set_attr "cc" "set_znv,set_znv")])
+  "exts.w	%T0"
+  [(set_attr "length" "2")
+   (set_attr "cc" "set_znv")])
 
 ;; The compiler can synthesize a 300H variant of this which is
 ;; just as efficient as one that we'd create
@@ -1716,7 +1712,7 @@
 
 (define_expand "extendhisi2"
   [(set (match_operand:SI 0 "register_operand" "")
-	(sign_extend:SI (match_operand:HI 1 "general_operand" "")))]
+	(sign_extend:SI (match_operand:HI 1 "register_operand" "")))]
   ""
   "
 {
@@ -1749,14 +1745,12 @@
    (set_attr "cc" "clobber,clobber")])
 
 (define_insn ""
-  [(set (match_operand:SI 0 "register_operand" "=r,r")
-	(sign_extend:SI (match_operand:HI 1 "general_operand_src" "0,g>")))]
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(sign_extend:SI (match_operand:HI 1 "register_operand" "0")))]
   "TARGET_H8300H || TARGET_H8300S"
-  "@
-  exts.l	%S0
-  mov.w	%T1,%T0\;exts.l	%S0"
-  [(set_attr "length" "2,4")
-   (set_attr "cc" "set_znv,set_znv")])
+  "exts.l	%S0"
+  [(set_attr "length" "2")
+   (set_attr "cc" "set_znv")])
 
 ;; ----------------------------------------------------------------------
 ;; SHIFTS