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(one_cmpldi2): New pattern. 

({a,l}shrdi{3,_const}): Allow 63 as shift count.

From-SVN: r9854
This commit is contained in:
Richard Kenner 1995-05-31 20:44:10 -04:00
parent e65886db7d
commit 35f456e397
1 changed files with 37 additions and 13 deletions
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50
gcc/config/m68k/m68k.md
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@ -4009,6 +4009,24 @@
;; one complement instructions
;; "one_cmpldi2" is only here to help combine().
(define_insn "one_cmpldi2"
[(set (match_operand:DI 0 "general_operand" "=dm")
(not:DI (match_operand:DI 1 "general_operand" "0")))]
""
"*
{
CC_STATUS_INIT;
if (GET_CODE (operands[0]) == REG)
operands[2] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
else if (GET_CODE (XEXP (operands[0], 0)) == POST_INC
|| GET_CODE (XEXP (operands[0], 0)) == PRE_DEC)
operands[1] = operands[0];
else
operands[1] = adj_offsettable_operand (operands[0], 4);
return \"not%.l %1\;not%.l %0\";
}")
(define_insn "one_cmplsi2"
[(set (match_operand:SI 0 "general_operand" "=dm")
(not:SI (match_operand:SI 1 "general_operand" "0")))]
@ -4293,12 +4311,14 @@
[(set (match_operand:DI 0 "general_operand" "=d")
(ashiftrt:DI (match_operand:DI 1 "general_operand" "0")
(match_operand 2 "const_int_operand" "n")))]
"(INTVAL (operands[2]) == 1
|| INTVAL (operands[2]) == 8 || INTVAL (operands[2]) == 16
|| INTVAL (operands[2]) == 2 || INTVAL (operands[2]) == 3)"
"(INTVAL (operands[2]) == 1 || INTVAL (operands[2]) == 2
|| INTVAL (operands[2]) == 3 || INTVAL (operands[2]) == 8
|| INTVAL (operands[2]) == 16 || INTVAL (operands[2]) == 63)"
"*
{
operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
if (INTVAL (operands[2]) == 63)
return \"add%.l %0,%0\;subx%.l %0,%0\;move%.l %0,%1\";
CC_STATUS_INIT;
if (INTVAL (operands[2]) == 1)
return \"asr%.l %#1,%0\;roxr%.l %#1,%1\";
@ -4320,9 +4340,10 @@
"
{
if (GET_CODE (operands[2]) != CONST_INT
|| (INTVAL (operands[2]) != 1 && INTVAL (operands[2]) != 32
&& INTVAL (operands[2]) != 8 && INTVAL (operands[2]) != 16
&& INTVAL (operands[2]) != 2 && INTVAL (operands[2]) != 3))
|| (INTVAL (operands[2]) != 1 && INTVAL (operands[2]) != 2
&& INTVAL (operands[2]) != 3 && INTVAL (operands[2]) != 8
&& INTVAL (operands[2]) != 16 && INTVAL (operands[2]) != 32
&& INTVAL (operands[2]) != 63))
FAIL;
} ")
@ -4434,13 +4455,15 @@
[(set (match_operand:DI 0 "general_operand" "=d")
(lshiftrt:DI (match_operand:DI 1 "general_operand" "0")
(match_operand 2 "const_int_operand" "n")))]
"(INTVAL (operands[2]) == 1
|| INTVAL (operands[2]) == 8 || INTVAL (operands[2]) == 16
|| INTVAL (operands[2]) == 2 || INTVAL (operands[2]) == 3)"
"(INTVAL (operands[2]) == 1 || INTVAL (operands[2]) == 2
|| INTVAL (operands[2]) == 3 || INTVAL (operands[2]) == 8
|| INTVAL (operands[2]) == 16 || INTVAL (operands[2]) == 63)"
"*
{
CC_STATUS_INIT;
operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
if (INTVAL (operands[2]) == 63)
return \"add%.l %0,%0\;clr%.l %0\;clr%.l %1\;addx%.l %1,%1\";
CC_STATUS_INIT;
if (INTVAL (operands[2]) == 1)
return \"lsr%.l %#1,%0\;roxr%.l %#1,%1\";
else if (INTVAL (operands[2]) == 8)
@ -4461,9 +4484,10 @@
"
{
if (GET_CODE (operands[2]) != CONST_INT
|| (INTVAL (operands[2]) != 1 && INTVAL (operands[2]) != 32
&& INTVAL (operands[2]) != 8 && INTVAL (operands[2]) != 16
&& INTVAL (operands[2]) != 2 && INTVAL (operands[2]) != 3))
|| (INTVAL (operands[2]) != 1 && INTVAL (operands[2]) != 2
&& INTVAL (operands[2]) != 3 && INTVAL (operands[2]) != 8
&& INTVAL (operands[2]) != 16 && INTVAL (operands[2]) != 32
&& INTVAL (operands[2]) != 63))
FAIL;
} ")