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* config/s390/s390.md ("addti3", "subti3"): New insns and splitters.

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From-SVN: r79793
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Ulrich Weigand 2004-03-21 20:03:10 +00:00 committed by Ulrich Weigand
parent f258e38b1d
commit 1c7b1b7e25
2 changed files with 62 additions and 0 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2004-03-21 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390.md ("addti3", "subti3"): New insns and splitters.
2004-03-21 Ulrich Weigand <uweigand@de.ibm.com>
* expmed.c (choose_mult_variant): Pass MULT_COST as argument instead

58
gcc/config/s390/s390.md
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@ -3330,6 +3330,35 @@
;;- Add instructions.
;;
;
; addti3 instruction pattern(s).
;
(define_insn_and_split "addti3"
[(set (match_operand:TI 0 "register_operand" "=&d")
(plus:TI (match_operand:TI 1 "nonimmediate_operand" "%0")
(match_operand:TI 2 "general_operand" "do") ) )
(clobber (reg:CC 33))]
"TARGET_64BIT"
"#"
"&& reload_completed"
[(parallel
[(set (reg:CCL1 33)
(compare:CCL1 (plus:DI (match_dup 7) (match_dup 8))
(match_dup 7)))
(set (match_dup 6) (plus:DI (match_dup 7) (match_dup 8)))])
(parallel
[(set (match_dup 3) (plus:DI (plus:DI (match_dup 4) (match_dup 5))
(ltu:DI (reg:CCL1 33) (const_int 0))))
(clobber (reg:CC 33))])]
"operands[3] = operand_subword (operands[0], 0, 0, TImode);
operands[4] = operand_subword (operands[1], 0, 0, TImode);
operands[5] = operand_subword (operands[2], 0, 0, TImode);
operands[6] = operand_subword (operands[0], 1, 0, TImode);
operands[7] = operand_subword (operands[1], 1, 0, TImode);
operands[8] = operand_subword (operands[2], 1, 0, TImode);"
[(set_attr "op_type" "NN")])
;
; adddi3 instruction pattern(s).
;
@ -3825,6 +3854,35 @@
;;- Subtract instructions.
;;
;
; subti3 instruction pattern(s).
;
(define_insn_and_split "subti3"
[(set (match_operand:TI 0 "register_operand" "=&d")
(minus:TI (match_operand:TI 1 "register_operand" "0")
(match_operand:TI 2 "general_operand" "do") ) )
(clobber (reg:CC 33))]
"TARGET_64BIT"
"#"
"&& reload_completed"
[(parallel
[(set (reg:CCL2 33)
(compare:CCL2 (minus:DI (match_dup 7) (match_dup 8))
(match_dup 7)))
(set (match_dup 6) (minus:DI (match_dup 7) (match_dup 8)))])
(parallel
[(set (match_dup 3) (minus:DI (minus:DI (match_dup 4) (match_dup 5))
(gtu:DI (reg:CCL2 33) (const_int 0))))
(clobber (reg:CC 33))])]
"operands[3] = operand_subword (operands[0], 0, 0, TImode);
operands[4] = operand_subword (operands[1], 0, 0, TImode);
operands[5] = operand_subword (operands[2], 0, 0, TImode);
operands[6] = operand_subword (operands[0], 1, 0, TImode);
operands[7] = operand_subword (operands[1], 1, 0, TImode);
operands[8] = operand_subword (operands[2], 1, 0, TImode);"
[(set_attr "op_type" "NN")])
;
; subdi3 instruction pattern(s).
;