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Implement 64-bit undef, sub, shl/shr, srem/urem

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llvm-svn: 28929
This commit is contained in:
Chris Lattner 2006-06-27 18:18:41 +00:00
parent 136f284987
commit 26f2bd4d4b
5 changed files with 23 additions and 6 deletions
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3
lib/Target/PowerPC/PPCBranchSelector.cpp
View File

@ -52,7 +52,8 @@ static unsigned getNumBytesForInstruction(MachineInstr *MI) {
// minor pessimization that saves us from having to worry about
// keeping the offsets up to date later when we emit long branch glue.
return 8;
case PPC::IMPLICIT_DEF_GPR: // no asm emitted
case PPC::IMPLICIT_DEF_GPRC: // no asm emitted
case PPC::IMPLICIT_DEF_G8RC: // no asm emitted
case PPC::IMPLICIT_DEF_F4: // no asm emitted
case PPC::IMPLICIT_DEF_F8: // no asm emitted
return 0;

3
lib/Target/PowerPC/PPCCodeEmitter.cpp
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@ -125,7 +125,8 @@ void PPCCodeEmitter::emitBasicBlock(MachineBasicBlock &MBB) {
default:
MCE.emitWordBE(getBinaryCodeForInstr(*I));
break;
case PPC::IMPLICIT_DEF_GPR:
case PPC::IMPLICIT_DEF_GPRC:
case PPC::IMPLICIT_DEF_G8RC:
case PPC::IMPLICIT_DEF_F8:
case PPC::IMPLICIT_DEF_F4:
case PPC::IMPLICIT_DEF_VRRC:

2
lib/Target/PowerPC/PPCISelLowering.cpp
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@ -58,6 +58,8 @@ PPCTargetLowering::PPCTargetLowering(TargetMachine &TM)
// PowerPC has no SREM/UREM instructions
setOperationAction(ISD::SREM, MVT::i32, Expand);
setOperationAction(ISD::UREM, MVT::i32, Expand);
setOperationAction(ISD::SREM, MVT::i64, Expand);
setOperationAction(ISD::UREM, MVT::i64, Expand);
// We don't support sin/cos/sqrt/fmod
setOperationAction(ISD::FSIN , MVT::f64, Expand);

19
lib/Target/PowerPC/PPCInstr64Bit.td
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@ -53,6 +53,14 @@ def HI48_64 : SDNodeXForm<imm, [{
}]>;
//===----------------------------------------------------------------------===//
// Pseudo instructions.
//
def IMPLICIT_DEF_G8RC : Pseudo<(ops G8RC:$rD), "; $rD = IMPLICIT_DEF_G8RC",
[(set G8RC:$rD, (undef))]>;
//===----------------------------------------------------------------------===//
// Fixed point instructions.
//
@ -134,7 +142,12 @@ def ADDIS8 : DForm_2<15, (ops G8RC:$rD, G8RC:$rA, symbolHi64:$imm),
"addis $rD, $rA, $imm", IntGeneral,
[(set G8RC:$rD, (add G8RC:$rA, imm16ShiftedSExt:$imm))]>;
def SUBFIC8: DForm_2< 8, (ops G8RC:$rD, G8RC:$rA, s16imm64:$imm),
"subfic $rD, $rA, $imm", IntGeneral,
[(set G8RC:$rD, (subc immSExt16:$imm, G8RC:$rA))]>;
def SUBF8 : XOForm_1<31, 40, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
"subf $rT, $rA, $rB", IntGeneral,
[(set G8RC:$rT, (sub G8RC:$rB, G8RC:$rA))]>;
def MULHD : XOForm_1<31, 73, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
@ -326,9 +339,9 @@ def : Pat<(i32 (trunc G8RC:$in)),
(OR8To4 G8RC:$in, G8RC:$in)>;
// SHL/SRL
def : Pat<(shl G8RC:$in, (i64 imm:$imm)),
def : Pat<(shl G8RC:$in, (i32 imm:$imm)),
(RLDICR G8RC:$in, imm:$imm, (SHL64 imm:$imm))>;
def : Pat<(srl G8RC:$in, (i64 imm:$imm)),
def : Pat<(srl G8RC:$in, (i32 imm:$imm)),
(RLDICL G8RC:$in, (SRL64 imm:$imm), imm:$imm)>;
// Hi and Lo for Darwin Global Addresses.

2
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -252,7 +252,7 @@ def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt),
def UPDATE_VRSAVE : Pseudo<(ops GPRC:$rD, GPRC:$rS),
"UPDATE_VRSAVE $rD, $rS", []>;
}
def IMPLICIT_DEF_GPR : Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC",
def IMPLICIT_DEF_GPRC: Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC",
[(set GPRC:$rD, (undef))]>;
def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; $rD = IMPLICIT_DEF_F8",
[(set F8RC:$rD, (undef))]>;