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Add some pattern fragments to simplify the repetitive parts of the patterns

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for some common ops and use them for a few examples.  Andrew, if you like
this, feel free to convert the rest over, if you hate it, feel free to
revert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23837 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-20 04:21:06 +00:00
parent d7cc4c407d
commit ae4be981b1
1 changed files with 22 additions and 3 deletions
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25
lib/Target/Alpha/AlphaInstrInfo.td
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@ -196,8 +196,23 @@ def EQVi : OFormL<0x11, 0x48, "eqv $RA,$L,$RC", []>;
//def MSKWHi : OFormL<0x12, 0x52, "MSKWH $RA,$L,$RC", []>; //Mask word high
//def MSKWL : OForm< 0x12, 0x12, "MSKWL $RA,$RB,$RC", []>; //Mask word low
//def MSKWLi : OFormL<0x12, 0x12, "MSKWL $RA,$L,$RC", []>; //Mask word low
// Some Alpha pattern fragments to make things more terse and easier to read.
def intop : PatFrag<(ops node:$op), (sext_inreg node:$op, i32)>;
def add4 : PatFrag<(ops node:$op1, node:$op2),
(add (shl node:$op1, 2), node:$op2)>;
def sub4 : PatFrag<(ops node:$op1, node:$op2),
(sub (shl node:$op1, 2), node:$op2)>;
def add8 : PatFrag<(ops node:$op1, node:$op2),
(add (shl node:$op1, 3), node:$op2)>;
def sub8 : PatFrag<(ops node:$op1, node:$op2),
(sub (shl node:$op1, 3), node:$op2)>;
def MULL : OForm< 0x13, 0x00, "mull $RA,$RB,$RC",
[(set GPRC:$RC, (sext_inreg (mul GPRC:$RA, GPRC:$RB), i32))]>;
[(set GPRC:$RC, (intop (mul GPRC:$RA, GPRC:$RB)))]>;
//def MULL : OForm< 0x13, 0x00, "mull $RA,$RB,$RC",
// [(set GPRC:$RC, (sext_inreg (mul GPRC:$RA, GPRC:$RB), i32))]>;
def MULLi : OFormL<0x13, 0x00, "mull $RA,$L,$RC",
[(set GPRC:$RC, (sext_inreg (mul GPRC:$RA, immUExt8:$L), i32))]>;
def MULQ : OForm< 0x13, 0x20, "mulq $RA,$RB,$RC",
@ -208,8 +223,10 @@ def ORNOT : OForm< 0x11, 0x28, "ornot $RA,$RB,$RC",
[(set GPRC:$RC, (or GPRC:$RA, (not GPRC:$RB)))]>;
def ORNOTi : OFormL<0x11, 0x28, "ornot $RA,$L,$RC", []>;
// [(set GPRC:$RC, (or GPRC:$RA, (not immUExt8:$L)))]>;
//def S4ADDL : OForm< 0x10, 0x02, "s4addl $RA,$RB,$RC",
// [(set GPRC:$RC, (sext_inreg (add (shl GPRC:$RA, 2), GPRC:$RB), i32))]>;
def S4ADDL : OForm< 0x10, 0x02, "s4addl $RA,$RB,$RC",
[(set GPRC:$RC, (sext_inreg (add (shl GPRC:$RA, 2), GPRC:$RB), i32))]>;
[(set GPRC:$RC, (intop (add4 GPRC:$RA, GPRC:$RB)))]>;
def S4ADDLi : OFormL<0x10, 0x02, "s4addl $RA,$L,$RC",
[(set GPRC:$RC, (sext_inreg (add (shl GPRC:$RA, 2), immUExt8:$L), i32))]>;
def S4ADDQ : OForm< 0x10, 0x22, "s4addq $RA,$RB,$RC",
@ -233,7 +250,9 @@ def S8ADDQ : OForm< 0x10, 0x32, "s8addq $RA,$RB,$RC",
def S8ADDQi : OFormL<0x10, 0x32, "s8addq $RA,$L,$RC",
[(set GPRC:$RC, (add (shl GPRC:$RA, 3), immUExt8:$L))]>;
def S8SUBL : OForm< 0x10, 0x1B, "s8subl $RA,$RB,$RC",
[(set GPRC:$RC, (sext_inreg (sub (shl GPRC:$RA, 3), GPRC:$RB), i32))]>;
[(set GPRC:$RC, (intop (sub8 GPRC:$RA, GPRC:$RB)))]>;
//def S8SUBL : OForm< 0x10, 0x1B, "s8subl $RA,$RB,$RC",
// [(set GPRC:$RC, (sext_inreg (sub (shl GPRC:$RA, 3), GPRC:$RB), i32))]>;
def S8SUBLi : OFormL<0x10, 0x1B, "s8subl $RA,$L,$RC",
[(set GPRC:$RC, (sext_inreg (sub (shl GPRC:$RA, 3), immUExt8:$L), i32))]>;
def S8SUBQ : OForm< 0x10, 0x3B, "s8subq $RA,$RB,$RC",