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(ashrdi_const, ashrdi3): Allow 31 as shift count.

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From-SVN: r13528
This commit is contained in:
Richard Kenner 1997-01-19 18:45:13 -05:00
parent 72eaa7a090
commit b85079b76e
1 changed files with 6 additions and 3 deletions
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9
gcc/config/m68k/m68k.md
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@ -4443,7 +4443,8 @@
"!TARGET_5200
&& ((INTVAL (operands[2]) == 1 || INTVAL (operands[2]) == 2
|| INTVAL (operands[2]) == 3 || INTVAL (operands[2]) == 8
|| INTVAL (operands[2]) == 16 || INTVAL (operands[2]) == 63))"
|| INTVAL (operands[2]) == 16 || INTVAL (operands[2]) == 31
|| INTVAL (operands[2]) == 63))"
"*
{
operands[1] = gen_rtx (REG, SImode, REGNO (operands[0]) + 1);
@ -4456,6 +4457,8 @@
return \"move%.b %0,%1\;asr%.l %#8,%0\;ror%.l %#8,%1\";
else if (INTVAL (operands[2]) == 16)
return \"move%.w %0,%1\;clr%.w %0\;swap %1\;ext%.l %0\";
else if (INTVAL (operands[2]) == 31)
return \"add%.l %1,%1\;addx%.l %0,%0\;move%.l %0,%1\;subx%.l %0,%0\";
else if (INTVAL (operands[2]) == 2)
return \"asr%.l %#1,%0\;roxr%.l %#1,%1\;asr%.l %#1,%0\;roxr%.l %#1,%1\";
else/* if (INTVAL (operands[2]) == 3)*/
@ -4472,8 +4475,8 @@
if (GET_CODE (operands[2]) != CONST_INT
|| (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))
&& INTVAL (operands[2]) != 16 && INTVAL (operands[2]) != 31
&& INTVAL (operands[2]) != 32 && INTVAL (operands[2]) != 63))
FAIL;
} ")