update for 2.6.1

From-SVN: r8023

gcc/config/convex/convex.h

 /* Definitions of target machine for GNU compiler.  Convex version.
-   Copyright (C) 1988, 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1994 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -1487,21 +1487,11 @@ bss_section ()								\
 #define PRINT_OPERAND_ADDRESS(FILE, ADDR)				\
     print_operand_address (FILE, ADDR)
 
-/* Definitions for g++.  */
-
 /* Do not put out GNU stabs for constructors and destructors.
    ld bounces them.  */
 
 #define FASCIST_ASSEMBLER
 
-/* Convex user addresses are negative, so use positive numbers
-   to mean `vtable index'.  */
-
-#define VTABLE_USES_MASK
-#define VINDEX_MAX ((unsigned) 0x80000000)
-#define SET_DECL_VINDEX(DECL, INDEX) \
-  (DECL_VINDEX (DECL) = (INDEX))
-
 /* __gcc_cleanup is loader-aliased to __ap$do_registered_functions if we
    are linking against standard libc, 0 if old (-traditional) libc. */
 
@@ -1513,12 +1503,6 @@ bss_section ()								\
   _cleanup ();								\
 }
 
-/* cexp.y uses LONG_TYPE_SIZE which depends on target_flags, which it
-   doesn't have.  Until some better way exists, provide a def here. */
-#ifdef YYBISON
-int target_flags;
-#endif
-
 /* Header for convex.c.
    Here at the end so we can use types defined above. */
 

gcc/config/convex/convex.md

 ;;- Machine description for GNU compiler, Convex Version
-;;  Copyright (C) 1988, 1993, 1994 Free Software Foundation, Inc.
+;;  Copyright (C) 1988, 1994 Free Software Foundation, Inc.
 
 ;; This file is part of GNU CC.
 
@@ -1094,6 +1094,8 @@
    shf %2,%0"
   [(set_attr "type" "shfl,shfw")])
 
+;; but C2 left shift by a constant is faster via multiply
+
 (define_insn ""
   [(set (match_operand:SI 0 "register_operand" "=r")
 	(ashift:SI (match_operand:SI 1 "register_operand" "0")
@@ -1453,21 +1455,21 @@
   "* return output_cmp (operands[0], operands[1], 'b');")
 
 (define_insn ""
-  [(set (cc0) (match_operand:QI 0 "register_operand" "d,a"))
-   (clobber (match_scratch:QI 1 "=d,a"))]
+  [(set (cc0) (match_operand:QI 0 "register_operand" "d"))
+   (clobber (match_scratch:QI 1 "=d"))]
   "next_insn_tests_no_inequality (insn)"
   "* return output_cmp (operands[0], operands[1], 'B');")
 
 (define_insn ""
-  [(set (cc0) (subreg (match_operand:QI 0 "register_operand" "d,a") 0))
-   (clobber (match_scratch:QI 1 "=d,a"))]
+  [(set (cc0) (subreg (match_operand:QI 0 "register_operand" "d") 0))
+   (clobber (match_scratch:QI 1 "=d"))]
   "next_insn_tests_no_inequality (insn)"
   "* return output_cmp (operands[0], operands[1], 'B');")
 
 (define_insn ""
   [(set (cc0)
-	(zero_extend (subreg (match_operand:QI 0 "register_operand" "d,a") 0)))
-   (clobber (match_scratch:QI 1 "=d,a"))]
+	(zero_extend (subreg (match_operand:QI 0 "register_operand" "d") 0)))
+   (clobber (match_scratch:QI 1 "=d"))]
   "next_insn_tests_no_inequality (insn)"
   "* return output_cmp (operands[0], operands[1], 'B');")
 
@@ -1553,12 +1555,12 @@
 {
   if (which_alternative == 0)
     {
-      output_cmp (operands[0], constm1_rtx, 'W');
-      return \"add.w #-1,%0\";
+      output_cmp (operands[0], constm1_rtx, 'H');
+      return \"add.h #-1,%0\";
     }
   else
     {
-      output_cmp (gen_rtx (REG, HImode, 7), constm1_rtx, 'W');
+      output_cmp (gen_rtx (REG, HImode, 7), constm1_rtx, 'H');
       return \"psh.w s7\;ld.h %0,s7\;add.h #-1,s7\;st.h s7,%0\;pop.w s7\";
     }
 }")
@@ -1575,12 +1577,12 @@
 {
   if (which_alternative == 0)
     {
-      output_cmp (operands[0], const0_rtx, 'W');
-      return \"add.w #-1,%0\";
+      output_cmp (operands[0], const0_rtx, 'H');
+      return \"add.h #-1,%0\";
     }
   else
     {
-      output_cmp (gen_rtx (REG, HImode, 7), const0_rtx, 'W');
+      output_cmp (gen_rtx (REG, HImode, 7), const0_rtx, 'H');
       return \"psh.w s7\;ld.h %0,s7\;add.h #-1,s7\;st.h s7,%0\;pop.w s7\";
     }
 }")