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lvzhengyang
riscv-gcc-1
Commits
75fbfd0c
Commit
75fbfd0c
authored
Sep 28, 1995
by
Richard Kenner
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(anonymous DImode shift patterns setting cc0): Turned off due to
reload problems. From-SVN: r10411
parent
63d77adf
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gcc/config/m68k/m68k.md
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gcc/config/m68k/m68k.md
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75fbfd0c
...
...
@@ -4384,35 +4384,36 @@
;; logical shift instructions
(define_insn ""
[
(set (cc0)
(subreg:SI (lshiftrt:DI (match_operand:DI 0 "general_operand" "ro")
(const_int 32)) 1))
(set (match_operand:SI 1 "general_operand" "=dm")
(subreg:SI (lshiftrt:DI (match_operand:DI 2 "general_operand" "0")
(const_int 32)) 1))]
""
"
*
{
return
\"
move%.l %0,%1
\"
;
} ")
(define_insn ""
[
(set (cc0)
(subreg:SI (lshiftrt:DI (match_operand:DI 0 "general_operand" "ro")
(const_int 32)) 0))
(set (match_operand:DI 1 "general_operand" "=do")
(lshiftrt:DI (match_operand:DI 2 "general_operand" "0")
(const_int 32)))]
""
"
*
{
if (GET_CODE (operands
[
1
]
) == REG)
operands
[
2
]
= gen_rtx (REG, SImode, REGNO (operands
[
1
]
) + 1);
else
operands
[
2
]
= adj_offsettable_operand (operands
[
1
]
, 4);
return
\"
move%.l %0,%2
\;
clr%.l %1
\"
;
} ")
;; commented out because of reload problems in 950612-1.c
;;(define_insn ""
;;
[
(set (cc0)
;; (subreg:SI (lshiftrt:DI (match_operand:DI 0 "general_operand" "ro")
;; (const_int 32)) 1))
;; (set (match_operand:SI 1 "general_operand" "=dm")
;; (subreg:SI (lshiftrt:DI (match_dup 0)
;; (const_int 32)) 1))]
;; ""
;; "
*
;;{
;; return
\"
move%.l %0,%1
\"
;
;;} ")
;;
;;(define_insn ""
;;
[
(set (cc0)
;; (subreg:SI (lshiftrt:DI (match_operand:DI 0 "general_operand" "ro")
;; (const_int 32)) 0))
;; (set (match_operand:DI 1 "general_operand" "=do")
;; (lshiftrt:DI (match_dup 0)
;; (const_int 32)))]
;; ""
;; "
*
;;{
;; if (GET_CODE (operands
[
1
]
) == REG)
;; operands
[
2
]
= gen_rtx (REG, SImode, REGNO (operands
[
1
]
) + 1);
;; else
;; operands
[
2
]
= adj_offsettable_operand (operands
[
1
]
, 4);
;; return
\"
move%.l %0,%2
\;
clr%.l %1
\"
;
;;} ")
(define_insn "subreg1lshrdi_const32"
[
(set (match_operand:SI 0 "general_operand" "=rm")
...
...
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