MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add define_split for sign-extended PLUS of a MULT of an SImode

Browse Source 
comparison.

From-SVN: r7364
This commit is contained in:
Richard Kenner 1994-05-27 14:15:25 -04:00
parent 7e4dc511b0
commit d0c84fdaa3
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
gcc/config/alpha/alpha.md
View File

@ -238,6 +238,27 @@
s%2subl %r1,%n3,%0" s%2subl %r1,%n3,%0"
[(set_attr "type" "iaddlog")]) [(set_attr "type" "iaddlog")])
(define_split
[(set (match_operand:DI 0 "register_operand" "")
(sign_extend:DI
(plus:SI (mult:SI (match_operator:SI 1 "comparison_operator"
[(match_operand 2 "" "")
(match_operand 3 "" "")])
(match_operand:SI 4 "const48_operand" ""))
(match_operand:SI 5 "add_operand" ""))))
(clobber (match_operand:DI 6 "register_operand" ""))]
""
[(set (match_dup 6) (match_dup 7))
(set (match_dup 0)
(sign_extend:DI (plus:SI (mult:SI (match_dup 8) (match_dup 4))
(match_dup 5))))]
"
{
operands[7] = gen_rtx (GET_CODE (operands[1]), DImode,
operands[2], operands[3]);
operands[8] = gen_lowpart (SImode, operands[6]);
}")
(define_insn "" (define_insn ""
[(set (match_operand:DI 0 "register_operand" "=r,r") [(set (match_operand:DI 0 "register_operand" "=r,r")
(plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ") (plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ")