diff options
Diffstat (limited to 'gcc/config/visium/visium.md')
| -rw-r--r-- | gcc/config/visium/visium.md | 98 |
1 files changed, 45 insertions, 53 deletions
diff --git a/gcc/config/visium/visium.md b/gcc/config/visium/visium.md index 09d136f5f0f..41e3e5c5719 100644 --- a/gcc/config/visium/visium.md +++ b/gcc/config/visium/visium.md @@ -627,7 +627,7 @@ [(set (match_dup 2) (match_dup 3)) (set (match_dup 4) (match_dup 5))] { - split_double_move (operands, DImode); + visium_split_double_move (operands, DImode); }) ;; @@ -726,7 +726,7 @@ [(set (match_dup 2) (match_dup 3)) (set (match_dup 4) (match_dup 5))] { - split_double_move (operands, DFmode); + visium_split_double_move (operands, DFmode); }) ;; @@ -815,31 +815,20 @@ (match_operand:DI 2 "add_operand" "")))] "") +; Disfavour the use of add.l because of the early clobber. + (define_insn_and_split "*addi3_insn" [(set (match_operand:DI 0 "register_operand" "=r,r,&r") (plus:DI (match_operand:DI 1 "register_operand" "%0,0, r") - (match_operand:DI 2 "add_operand" " J,L, r")))] + (match_operand:DI 2 "add_operand" " L,J, r")))] "ok_for_simple_arith_logic_operands (operands, DImode)" "#" "reload_completed" - [(parallel [(set (match_dup 0) - (plus:DI (match_dup 1) (match_dup 2))) - (clobber (reg:CC R_FLAGS))])] - "" - [(set_attr "type" "arith2")]) - -; Disfavour the use of add.l because of the early clobber. - -(define_insn "*adddi3_insn_flags" - [(set (match_operand:DI 0 "register_operand" "=r,r,&r") - (plus:DI (match_operand:DI 1 "register_operand" "%0,0, r") - (match_operand:DI 2 "add_operand" " J,L, r"))) - (clobber (reg:CC R_FLAGS))] - "reload_completed" - "@ - addi %d0,%2\n\tadc.l %0,%0,r0 - subi %d0,%n2\n\tsubc.l %0,%0,r0 - add.l %d0,%d1,%d2\n\tadc.l %0,%1,%2" + [(const_int 0)] +{ + visium_split_double_add (PLUS, operands[0], operands[1], operands[2]); + DONE; +} [(set_attr "type" "arith2")]) ;; @@ -847,7 +836,7 @@ ;; ;; Integer Add with Carry ;; -;; Only SI mode is supported as slt[u] for the sake of cstore. +;; Only SI mode is supported. ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; @@ -869,6 +858,16 @@ "adc.l %0,%1,r0" [(set_attr "type" "arith")]) +(define_insn "*plus_plus_sltu<subst_arith>" + [(set (match_operand:SI 0 "register_operand" "=r") + (plus:SI (plus:SI (match_operand:SI 1 "register_operand" "r") + (match_operand:SI 2 "register_operand" "r")) + (ltu:SI (reg R_FLAGS) (const_int 0)))) + (clobber (reg:CC R_FLAGS))] + "reload_completed" + "adc.l %0,%1,%2" + [(set_attr "type" "arith")]) + ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; @@ -955,31 +954,20 @@ (match_operand:DI 2 "add_operand" "")))] "") +; Disfavour the use of the sub.l because of the early clobber. + (define_insn_and_split "*subdi3_insn" [(set (match_operand:DI 0 "register_operand" "=r,r,&r") (minus:DI (match_operand:DI 1 "register_operand" " 0,0, r") - (match_operand:DI 2 "add_operand" " J,L, r")))] + (match_operand:DI 2 "add_operand" " L,J, r")))] "ok_for_simple_arith_logic_operands (operands, DImode)" "#" "reload_completed" - [(parallel [(set (match_dup 0) - (minus:DI (match_dup 1) (match_dup 2))) - (clobber (reg:CC R_FLAGS))])] - "" - [(set_attr "type" "arith2")]) - -; Disfavour the use of the sub.l because of the early clobber. - -(define_insn "*subdi3_insn_flags" - [(set (match_operand:DI 0 "register_operand" "=r,r,&r") - (minus:DI (match_operand:DI 1 "register_operand" " 0,0, r") - (match_operand:DI 2 "add_operand" " J,L, r"))) - (clobber (reg:CC R_FLAGS))] - "reload_completed" - "@ - subi %d0,%2\n\tsubc.l %0,%0,r0 - addi %d0,%n2\n\tadc.l %0,%0,r0 - sub.l %d0,%d1,%d2\n\tsubc.l %0,%1,%2" + [(const_int 0)] +{ + visium_split_double_add (MINUS, operands[0], operands[1], operands[2]); + DONE; +} [(set_attr "type" "arith2")]) ;; @@ -987,7 +975,7 @@ ;; ;; Integer Subtract with Carry ;; -;; Only SI mode is supported as neg<slt[u]> for the sake of cstore. +;; Only SI mode is supported. ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; @@ -1009,6 +997,16 @@ "subc.l %0,%1,r0" [(set_attr "type" "arith")]) +(define_insn "*minus_minus_sltu<subst_arith>" + [(set (match_operand:SI 0 "register_operand" "=r") + (minus:SI (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rO") + (match_operand:SI 2 "register_operand" "r")) + (ltu:SI (reg R_FLAGS) (const_int 0)))) + (clobber (reg:CC R_FLAGS))] + "reload_completed" + "subc.l %0,%r1,%2" + [(set_attr "type" "arith")]) + ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; @@ -1054,17 +1052,11 @@ "ok_for_simple_arith_logic_operands (operands, DImode)" "#" "reload_completed" - [(parallel [(set (match_dup 0) (neg:DI (match_dup 1))) - (clobber (reg:CC R_FLAGS))])] - "" - [(set_attr "type" "arith2")]) - -(define_insn "*negdi2_insn_flags" - [(set (match_operand:DI 0 "register_operand" "=&r") - (neg:DI (match_operand:DI 1 "register_operand" "r"))) - (clobber (reg:CC R_FLAGS))] - "reload_completed" - "sub.l %d0,r0,%d1\n\tsubc.l %0,r0,%1" + [(const_int 0)] +{ + visium_split_double_add (MINUS, operands[0], const0_rtx, operands[1]); + DONE; +} [(set_attr "type" "arith2")]) ;; |