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Add 8-bit insts. zext behaviour is not modelled yet

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70722 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-05-03 13:05:42 +00:00
parent cf9adf2cbb
commit 51c31d6888
2 changed files with 79 additions and 8 deletions
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25
lib/Target/MSP430/MSP430InstrInfo.cpp
View File

@ -32,16 +32,24 @@ bool MSP430InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
unsigned DestReg, unsigned SrcReg,
const TargetRegisterClass *DestRC,
const TargetRegisterClass *SrcRC) const {
if (DestRC != SrcRC) {
// Not yet supported!
return false;
}
DebugLoc DL = DebugLoc::getUnknownLoc();
if (I != MBB.end()) DL = I->getDebugLoc();
BuildMI(MBB, I, DL, get(MSP430::MOV16rr), DestReg).addReg(SrcReg);
return true;
if (DestRC == SrcRC) {
unsigned Opc;
if (DestRC == &MSP430::GR16RegClass) {
Opc = MSP430::MOV16rr;
} else if (DestRC == &MSP430::GR8RegClass) {
Opc = MSP430::MOV8rr;
} else {
return false;
}
BuildMI(MBB, I, DL, get(Opc), DestReg).addReg(SrcReg);
return true;
}
return false;
}
bool
@ -53,8 +61,9 @@ MSP430InstrInfo::isMoveInstr(const MachineInstr& MI,
switch (MI.getOpcode()) {
default:
return false;
case MSP430::MOV8rr:
case MSP430::MOV16rr:
assert(MI.getNumOperands() >= 2 &&
assert(MI.getNumOperands() >= 2 &&
MI.getOperand(0).isReg() &&
MI.getOperand(1).isReg() &&
"invalid register-register move instruction");

62
lib/Target/MSP430/MSP430InstrInfo.td
View File

@ -55,6 +55,9 @@ let neverHasSideEffects = 1 in {
def MOV16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src),
"mov.w\t{$src, $dst|$dst, $src}",
[]>;
def MOV8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src),
"mov.b\t{$src, $dst|$dst, $src}",
[]>;
}
// FIXME: Provide proper encoding!
@ -62,6 +65,10 @@ let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
def MOV16ri : Pseudo<(outs GR16:$dst), (ins i16imm:$src),
"mov.w\t{$src, $dst|$dst, $src}",
[(set GR16:$dst, imm:$src)]>;
def MOV8ri : Pseudo<(outs GR8:$dst), (ins i8imm:$src),
"mov.b\t{$src, $dst|$dst, $src}",
[(set GR8:$dst, imm:$src)]>;
}
//===----------------------------------------------------------------------===//
@ -77,12 +84,21 @@ def ADD16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"add.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (add GR16:$src1, GR16:$src2)),
(implicit SRW)]>;
def ADD8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"add.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (add GR8:$src1, GR8:$src2)),
(implicit SRW)]>;
}
def ADD16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"add.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (add GR16:$src1, imm:$src2)),
(implicit SRW)]>;
def ADD8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"add.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (add GR8:$src1, imm:$src2)),
(implicit SRW)]>;
let Uses = [SRW] in {
@ -91,12 +107,20 @@ def ADC16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"addc.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (adde GR16:$src1, GR16:$src2)),
(implicit SRW)]>;
def ADC8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"addc.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (adde GR8:$src1, GR8:$src2)),
(implicit SRW)]>;
} // isCommutable
def ADC16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"addc.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (adde GR16:$src1, imm:$src2)),
(implicit SRW)]>;
def ADC8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"addc.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (adde GR8:$src1, imm:$src2)),
(implicit SRW)]>;
}
let isCommutable = 1 in { // X = AND Y, Z == X = AND Z, Y
@ -104,46 +128,78 @@ def AND16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"and.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
(implicit SRW)]>;
def AND8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"and.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
(implicit SRW)]>;
}
def AND16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"and.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (and GR16:$src1, imm:$src2)),
(implicit SRW)]>;
def AND8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"and.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (and GR8:$src1, imm:$src2)),
(implicit SRW)]>;
let isCommutable = 1 in { // X = XOR Y, Z == X = XOR Z, Y
def XOR16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"xor.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
(implicit SRW)]>;
def XOR8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"xor.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
(implicit SRW)]>;
}
def XOR16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"xor.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
(implicit SRW)]>;
def XOR8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"xor.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
(implicit SRW)]>;
def SUB16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"sub.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (sub GR16:$src1, GR16:$src2)),
(implicit SRW)]>;
def SUB8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"sub.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (sub GR8:$src1, GR8:$src2)),
(implicit SRW)]>;
def SUB16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"sub.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (sub GR16:$src1, imm:$src2)),
(implicit SRW)]>;
def SUB8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"sub.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (sub GR8:$src1, imm:$src2)),
(implicit SRW)]>;
let Uses = [SRW] in {
def SBC16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"subc.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (sube GR16:$src1, GR16:$src2)),
(implicit SRW)]>;
def SBC8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"subc.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (sube GR8:$src1, GR8:$src2)),
(implicit SRW)]>;
def SBC16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"subc.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (sube GR16:$src1, imm:$src2)),
(implicit SRW)]>;
def SBC8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"subc.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (sube GR8:$src1, imm:$src2)),
(implicit SRW)]>;
}
// FIXME: Provide proper encoding!
@ -163,10 +219,16 @@ let isCommutable = 1 in { // X = OR Y, Z == X = OR Z, Y
def OR16rr : Pseudo<(outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
"bis.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>;
def OR8rr : Pseudo<(outs GR8:$dst), (ins GR8:$src1, GR8:$src2),
"bis.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
}
def OR16ri : Pseudo<(outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
"bis.w\t{$src2, $dst|$dst, $src2}",
[(set GR16:$dst, (or GR16:$src1, imm:$src2))]>;
def OR8ri : Pseudo<(outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
"bis.b\t{$src2, $dst|$dst, $src2}",
[(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
} // isTwoAddress = 1