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[mips] added support for trunc macro 

Author: obucina
Reviewers: dsanders
Differential Revision: http://reviews.llvm.org/D15745

llvm-svn: 261529
This commit is contained in:
Zoran Jovanovic 2016-02-22 16:00:23 +00:00
parent 02cbeb2222
commit d665a66b0f
15 changed files with 151 additions and 38 deletions
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50
llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
View File

@ -220,6 +220,9 @@ class MipsAsmParser : public MCTargetAsmParser {
SmallVectorImpl<MCInst> &Instructions, const bool IsMips64,
const bool Signed);
bool expandTrunc(MCInst &Inst, bool IsDouble, bool Is64FPU, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions);
bool expandUlh(MCInst &Inst, bool Signed, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions);
@ -2054,6 +2057,15 @@ MipsAsmParser::tryExpandInstruction(MCInst &Inst, SMLoc IDLoc,
case Mips::DUDivMacro:
return expandDiv(Inst, IDLoc, Instructions, true, false) ? MER_Fail
: MER_Success;
case Mips::PseudoTRUNC_W_S:
return expandTrunc(Inst, false, false, IDLoc, Instructions) ? MER_Fail
: MER_Success;
case Mips::PseudoTRUNC_W_D32:
return expandTrunc(Inst, true, false, IDLoc, Instructions) ? MER_Fail
: MER_Success;
case Mips::PseudoTRUNC_W_D:
return expandTrunc(Inst, true, true, IDLoc, Instructions) ? MER_Fail
: MER_Success;
case Mips::Ulh:
return expandUlh(Inst, true, IDLoc, Instructions) ? MER_Fail : MER_Success;
case Mips::Ulhu:
@ -3057,6 +3069,44 @@ bool MipsAsmParser::expandDiv(MCInst &Inst, SMLoc IDLoc,
return false;
}
bool MipsAsmParser::expandTrunc(MCInst &Inst, bool IsDouble, bool Is64FPU,
SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions) {
assert(Inst.getNumOperands() == 3 && "Invalid operand count");
assert(Inst.getOperand(0).isReg() && Inst.getOperand(1).isReg() &&
Inst.getOperand(2).isReg() && "Invalid instruction operand.");
unsigned FirstReg = Inst.getOperand(0).getReg();
unsigned SecondReg = Inst.getOperand(1).getReg();
unsigned ThirdReg = Inst.getOperand(2).getReg();
if (hasMips1() && !hasMips2()) {
unsigned ATReg = getATReg(IDLoc);
if (!ATReg)
return true;
emitRR(Mips::CFC1, ThirdReg, Mips::RA, IDLoc, Instructions);
emitRR(Mips::CFC1, ThirdReg, Mips::RA, IDLoc, Instructions);
createNop(false, IDLoc, Instructions);
emitRRI(Mips::ORi, ATReg, ThirdReg, 0x3, IDLoc, Instructions);
emitRRI(Mips::XORi, ATReg, ATReg, 0x2, IDLoc, Instructions);
emitRR(Mips::CTC1, Mips::RA, ATReg, IDLoc, Instructions);
createNop(false, IDLoc, Instructions);
emitRR(IsDouble ? (Is64FPU ? Mips::CVT_W_D64 : Mips::CVT_W_D32)
: Mips::CVT_W_S,
FirstReg, SecondReg, IDLoc, Instructions);
emitRR(Mips::CTC1, Mips::RA, ThirdReg, IDLoc, Instructions);
createNop(false, IDLoc, Instructions);
return false;
}
emitRR(IsDouble ? (Is64FPU ? Mips::TRUNC_W_D64 : Mips::TRUNC_W_D32)
: Mips::TRUNC_W_S,
FirstReg, SecondReg, IDLoc, Instructions);
return false;
}
bool MipsAsmParser::expandUlh(MCInst &Inst, bool Signed, SMLoc IDLoc,
SmallVectorImpl<MCInst> &Instructions) {
if (hasMips32r6() || hasMips64r6()) {

14
llvm/lib/Target/Mips/MipsInstrFPU.td
View File

@ -551,6 +551,20 @@ class ExtractElementF64Base<RegisterOperand RO> :
def ExtractElementF64 : ExtractElementF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
def ExtractElementF64_64 : ExtractElementF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
def PseudoTRUNC_W_S : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
(ins FGR32Opnd:$fs, GPR32Opnd:$rs),
"trunc.w.s\t$fd, $fs, $rs">;
def PseudoTRUNC_W_D32 : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
(ins AFGR64Opnd:$fs, GPR32Opnd:$rs),
"trunc.w.d\t$fd, $fs, $rs">,
FGR_32, HARDFLOAT;
def PseudoTRUNC_W_D : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
(ins FGR64Opnd:$fs, GPR32Opnd:$rs),
"trunc.w.d\t$fd, $fs, $rs">,
FGR_64, HARDFLOAT;
//===----------------------------------------------------------------------===//
// InstAliases.
//===----------------------------------------------------------------------===//

25
llvm/test/MC/Mips/mips1/valid.s
View File

@ -124,4 +124,29 @@ a:
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]
.set at
trunc.w.s $f4,$f6,$4
# CHECK: cfc1 $4, $ra # encoding: [0x44,0x44,0xf8,0x00]
# CHECK: cfc1 $4, $ra # encoding: [0x44,0x44,0xf8,0x00]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: ori $1, $4, 3 # encoding: [0x34,0x81,0x00,0x03]
# CHECK: xori $1, $1, 2 # encoding: [0x38,0x21,0x00,0x02]
# CHECK: ctc1 $1, $ra # encoding: [0x44,0xc1,0xf8,0x00]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: cvt.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x24]
# CHECK: ctc1 $4, $ra # encoding: [0x44,0xc4,0xf8,0x00]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
trunc.w.d $f4,$f6,$4
# CHECK: cfc1 $4, $ra # encoding: [0x44,0x44,0xf8,0x00]
# CHECK: cfc1 $4, $ra # encoding: [0x44,0x44,0xf8,0x00]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: ori $1, $4, 3 # encoding: [0x34,0x81,0x00,0x03]
# CHECK: xori $1, $1, 2 # encoding: [0x38,0x21,0x00,0x02]
# CHECK: ctc1 $1, $ra # encoding: [0x44,0xc1,0xf8,0x00]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: cvt.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x24]
# CHECK: ctc1 $4, $ra # encoding: [0x44,0xc4,0xf8,0x00]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
1:

6
llvm/test/MC/Mips/mips2/valid.s
View File

@ -168,8 +168,10 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f14 # encoding: [0x46,0x20,0x75,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

10
llvm/test/MC/Mips/mips3/valid.s
View File

@ -232,10 +232,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

6
llvm/test/MC/Mips/mips32/valid.s
View File

@ -198,8 +198,10 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f14 # encoding: [0x46,0x20,0x75,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

6
llvm/test/MC/Mips/mips32r2/valid.s
View File

@ -235,8 +235,10 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f14 # encoding: [0x46,0x20,0x75,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
wsbh $k1,$9
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

6
llvm/test/MC/Mips/mips32r3/valid.s
View File

@ -235,8 +235,10 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f14 # encoding: [0x46,0x20,0x75,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
wsbh $k1,$9
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

6
llvm/test/MC/Mips/mips32r5/valid.s
View File

@ -236,8 +236,10 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f14 # encoding: [0x46,0x20,0x75,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
wsbh $k1,$9
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

10
llvm/test/MC/Mips/mips4/valid.s
View File

@ -261,10 +261,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

10
llvm/test/MC/Mips/mips5/valid.s
View File

@ -263,10 +263,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

10
llvm/test/MC/Mips/mips64/valid.s
View File

@ -282,10 +282,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]

10
llvm/test/MC/Mips/mips64r2/valid.s
View File

@ -308,10 +308,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]
wsbh $k1,$9

10
llvm/test/MC/Mips/mips64r3/valid.s
View File

@ -308,10 +308,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]
wsbh $k1,$9

10
llvm/test/MC/Mips/mips64r5/valid.s
View File

@ -309,10 +309,12 @@ a:
tne $6,$17 # CHECK: tne $6, $17 # encoding: [0x00,0xd1,0x00,0x36]
tne $7,$8,885 # CHECK: tne $7, $8, 885 # encoding: [0x00,0xe8,0xdd,0x76]
tnei $12,-29647
trunc.l.d $f23,$f23
trunc.l.s $f28,$f31
trunc.w.d $f22,$f15
trunc.w.s $f28,$f30
trunc.l.d $f23,$f23 # CHECK: trunc.l.d $f23, $f23 # encoding: [0x46,0x20,0xbd,0xc9]
trunc.l.s $f28,$f31 # CHECK: trunc.l.s $f28, $f31 # encoding: [0x46,0x00,0xff,0x09]
trunc.w.d $f22,$f15 # CHECK: trunc.w.d $f22, $f15 # encoding: [0x46,0x20,0x7d,0x8d]
trunc.w.s $f28,$f30 # CHECK: trunc.w.s $f28, $f30 # encoding: [0x46,0x00,0xf7,0x0d]
trunc.w.d $f4,$f6,$4 # CHECK: trunc.w.d $f4, $f6 # encoding: [0x46,0x20,0x31,0x0d]
trunc.w.s $f4,$f6,$4 # CHECK: trunc.w.s $f4, $f6 # encoding: [0x46,0x00,0x31,0x0d]
xor $s2,$a0,$s8
xor $2, 4 # CHECK: xori $2, $2, 4 # encoding: [0x38,0x42,0x00,0x04]
wsbh $k1,$9