diff options
Diffstat (limited to 'gcc/config/h8300/h8300.md')
| -rw-r--r-- | gcc/config/h8300/h8300.md | 67 |
1 files changed, 31 insertions, 36 deletions
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index 7e49af5ef75..b0132f924b2 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -1,5 +1,6 @@ ;; GCC machine description for Hitachi H8/300 -;; Copyright (C) 1992, 93, 94, 95, 96, 1997 Free Software Foundation, Inc. +;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 2000 Free Software +;; Foundation, Inc. ;; Contributed by Steve Chamberlain (sac@cygnus.com), ;; Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com). @@ -400,8 +401,8 @@ (set_attr "cc" "clobber")]) (define_insn "movsi_h8300hs" - [(set (match_operand:SI 0 "general_operand_dst" "=r,r,r,m,<,r,*a,*a,r") - (match_operand:SI 1 "general_operand_src" "I,r,im,r,r,>,I,r,*a"))] + [(set (match_operand:SI 0 "general_operand_dst" "=r,r,r,r,m,<,r,*a,*a,r") + (match_operand:SI 1 "general_operand_src" "I,r,i,m,r,r,>,I,r,*a"))] "(TARGET_H8300S || TARGET_H8300H) && (register_operand (operands[0], SImode) || register_operand (operands[1], SImode))" @@ -409,12 +410,12 @@ { if (which_alternative == 0) return \"sub.l %S0,%S0\"; - if (which_alternative == 6) - return \"clrmac\"; if (which_alternative == 7) - return \"clrmac\;ldmac %1,macl\"; + return \"clrmac\"; if (which_alternative == 8) - return \"stmac macl,%0\"; + return \"clrmac\;ldmac %1,macl\"; + if (which_alternative == 9) + return \"stmac macl,%0\"; if (GET_CODE (operands[1]) == CONST_INT) { int val = INTVAL (operands[1]); @@ -443,8 +444,8 @@ } return \"mov.l %S1,%S0\"; }" - [(set_attr "length" "2,2,10,10,4,4,2,6,4") - (set_attr "cc" "set_zn,set_znv,set_znv,set_znv,set_znv,set_znv,none_0hit,none_0hit,set_znv")]) + [(set_attr "length" "2,2,10,10,10,4,4,2,6,4") + (set_attr "cc" "set_zn,set_znv,clobber,set_znv,set_znv,set_znv,set_znv,none_0hit,none_0hit,set_znv")]) (define_insn "movsf_h8300h" [(set (match_operand:SF 0 "general_operand_dst" "=r,r,r,m,<,r") @@ -861,7 +862,7 @@ (sign_extend:SI (mem:HI (post_inc:SI (match_operand:SI 2 "register_operand" "r"))))))] "TARGET_H8300S" - "clrmac\;mac %2,%1" + "clrmac\;mac @%2+,@%1+" [(set_attr "length" "6") (set_attr "cc" "none_0hit")]) @@ -874,7 +875,7 @@ (post_inc:SI (match_operand:SI 2 "register_operand" "r"))))) (match_operand:SI 3 "register_operand" "0")))] "TARGET_H8300S" - "mac %2,%1" + "mac @%2+,@%1+" [(set_attr "length" "4") (set_attr "cc" "none_0hit")]) @@ -1674,7 +1675,7 @@ (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" "")))] "" " { @@ -1709,18 +1710,16 @@ (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" "")))] "" "") @@ -1735,14 +1734,12 @@ (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 @@ -1758,7 +1755,7 @@ (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" "")))] "" " { @@ -1791,14 +1788,12 @@ (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 @@ -2292,7 +2287,7 @@ (define_peephole [(set (match_operand:HI 1 "register_operand" "") - (plus:HI (match_dup 1) (const_int -1))) + (plus:HI (match_dup 1) (const_int -2))) (set (mem:HI (match_dup 1)) (match_operand:HI 0 "register_operand" ""))] "REGNO(operands[1]) != REGNO(operands[0])" |