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Allow pseudos to have patterns, no functionality change

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-10-25 20:58:43 +00:00
parent 9c73f095bb
commit 3075a4e94d
2 changed files with 13 additions and 13 deletions
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4
lib/Target/PowerPC/PPCInstrFormats.td
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@ -550,10 +550,10 @@ class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr,
//===----------------------------------------------------------------------===//
def NoItin : InstrItinClass;
class Pseudo<dag OL, string asmstr>
class Pseudo<dag OL, string asmstr, list<dag> pattern>
: I<0, OL, asmstr, NoItin> {
let PPC64 = 0;
let VMX = 0;
let Pattern = pattern;
let Inst{31-0} = 0;
}

22
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -147,25 +147,25 @@ def crbitm: Operand<i8> {
// PowerPC Instruction Definitions.
// Pseudo-instructions:
def PHI : Pseudo<(ops variable_ops), "; PHI">;
def PHI : Pseudo<(ops variable_ops), "; PHI", []>;
let isLoad = 1 in {
def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt), "; ADJCALLSTACKDOWN">;
def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt), "; ADJCALLSTACKUP">;
def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt), "; ADJCALLSTACKDOWN", []>;
def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt), "; ADJCALLSTACKUP", []>;
}
def IMPLICIT_DEF_GPR : Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC">;
def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; %rD = IMPLICIT_DEF_F8">;
def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "; %rD = IMPLICIT_DEF_F4">;
def IMPLICIT_DEF_GPR : Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC", []>;
def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; %rD = IMPLICIT_DEF_F8", []>;
def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "; %rD = IMPLICIT_DEF_F4", []>;
// SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
// scheduler into a branch sequence.
let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler.
def SELECT_CC_Int : Pseudo<(ops GPRC:$dst, CRRC:$cond, GPRC:$T, GPRC:$F,
i32imm:$BROPC), "; SELECT_CC PSEUDO!">;
i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
def SELECT_CC_F4 : Pseudo<(ops F4RC:$dst, CRRC:$cond, F4RC:$T, F4RC:$F,
i32imm:$BROPC), "; SELECT_CC PSEUDO!">;
i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
def SELECT_CC_F8 : Pseudo<(ops F8RC:$dst, CRRC:$cond, F8RC:$T, F8RC:$F,
i32imm:$BROPC), "; SELECT_CC PSEUDO!">;
i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
}
@ -176,12 +176,12 @@ let isTerminator = 1 in {
}
let Defs = [LR] in
def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label">;
def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label", []>;
let isBranch = 1, isTerminator = 1 in {
def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc,
target:$true, target:$false),
"; COND_BRANCH">;
"; COND_BRANCH", []>;
def B : IForm<18, 0, 0, (ops target:$func), "b $func", BrB>;
//def BA : IForm<18, 1, 0, (ops target:$func), "ba $func", BrB>;
def BL : IForm<18, 0, 1, (ops target:$func), "bl $func", BrB>;