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Push GPRnopc through a large number of instruction definitions to tighten operand decoding.

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llvm-svn: 137189
This commit is contained in:
Owen Anderson 2011-08-10 00:03:03 +00:00
parent d3438f7977
commit 87b5ce880a
8 changed files with 118 additions and 101 deletions
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189
lib/Target/ARM/ARMInstrInfo.td
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@ -1061,9 +1061,9 @@ multiclass AI1_cmp_irs<bits<4> opcod, string opc,
/// register and one whose operand is a register rotated by 8/16/24.
/// FIXME: Remove the 'r' variant. Its rot_imm is zero.
class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
: AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
: AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
[(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
[(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
Requires<[IsARM, HasV6]> {
bits<4> Rd;
bits<4> Rm;
@ -1075,7 +1075,7 @@ class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
}
class AI_ext_rrot_np<bits<8> opcod, string opc>
: AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
: AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
Requires<[IsARM, HasV6]> {
bits<2> rot;
@ -1086,9 +1086,10 @@ class AI_ext_rrot_np<bits<8> opcod, string opc>
/// AI_exta_rrot - A binary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
: AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, rot_imm:$rot),
: AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
[(set GPR:$Rd, (opnode GPR:$Rn, (rotr GPR:$Rm, rot_imm:$rot)))]>,
[(set GPRnopc:$Rd, (opnode GPR:$Rn,
(rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
Requires<[IsARM, HasV6]> {
bits<4> Rd;
bits<4> Rm;
@ -1102,7 +1103,7 @@ class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
}
class AI_exta_rrot_np<bits<8> opcod, string opc>
: AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, rot_imm:$rot),
: AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
Requires<[IsARM, HasV6]> {
bits<4> Rn;
@ -2605,10 +2606,10 @@ def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
(ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
let Constraints = "$src = $Rd" in {
def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd), (ins GPR:$src, imm0_65535_expr:$imm),
DPFrm, IIC_iMOVi,
"movt", "\t$Rd, $imm",
[(set GPR:$Rd,
[(set GPRnopc:$Rd,
(or (and GPR:$src, 0xffff),
lo16AllZero:$imm))]>, UnaryDP,
Requires<[IsARM, HasV6T2]> {
@ -2695,8 +2696,8 @@ def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
def SBFX : I<(outs GPR:$Rd),
(ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
def SBFX : I<(outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
"sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
@ -2937,8 +2938,9 @@ def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
// GPR:$dst = GPR:$a op GPR:$b
class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
list<dag> pattern = [],
dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
: AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
string asm = "\t$Rd, $Rn, $Rm">
: AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
bits<4> Rn;
bits<4> Rd;
bits<4> Rm;
@ -2952,14 +2954,16 @@ class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
// Saturating add/subtract
def QADD : AAI<0b00010000, 0b00000101, "qadd",
[(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
(ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
[(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
(ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
def QSUB : AAI<0b00010010, 0b00000101, "qsub",
[(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
(ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
[(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
(ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
(ins GPRnopc:$Rm, GPRnopc:$Rn),
"\t$Rd, $Rm, $Rn">;
def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
(ins GPRnopc:$Rm, GPRnopc:$Rn),
"\t$Rd, $Rm, $Rn">;
def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
@ -3039,7 +3043,8 @@ def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
// Signed/Unsigned saturate -- for disassembly only
def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh),
def SSAT : AI<(outs GPRnopc:$Rd),
(ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
bits<4> Rd;
bits<5> sat_imm;
@ -3054,7 +3059,8 @@ def SSAT : AI<(outs GPR:$Rd), (ins imm1_32:$sat_imm, GPR:$Rn, shift_imm:$sh),
let Inst{3-0} = Rn;
}
def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm,
def SSAT16 : AI<(outs GPRnopc:$Rd),
(ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
bits<4> Rd;
bits<4> sat_imm;
@ -3066,7 +3072,8 @@ def SSAT16 : AI<(outs GPR:$Rd), (ins imm1_16:$sat_imm, GPR:$Rn), SatFrm,
let Inst{3-0} = Rn;
}
def USAT : AI<(outs GPR:$Rd), (ins imm0_31:$sat_imm, GPR:$Rn, shift_imm:$sh),
def USAT : AI<(outs GPRnopc:$Rd),
(ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
bits<4> Rd;
bits<5> sat_imm;
@ -3081,7 +3088,8 @@ def USAT : AI<(outs GPR:$Rd), (ins imm0_31:$sat_imm, GPR:$Rn, shift_imm:$sh),
let Inst{3-0} = Rn;
}
def USAT16 : AI<(outs GPR:$Rd), (ins imm0_15:$sat_imm, GPR:$a), SatFrm,
def USAT16 : AI<(outs GPRnopc:$Rd),
(ins imm0_15:$sat_imm, GPRnopc:$a), SatFrm,
NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
[/* For disassembly only; pattern left blank */]> {
bits<4> Rd;
@ -3094,8 +3102,10 @@ def USAT16 : AI<(outs GPR:$Rd), (ins imm0_15:$sat_imm, GPR:$a), SatFrm,
let Inst{3-0} = Rn;
}
def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
(SSAT imm:$pos, GPRnopc:$a, 0)>;
def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
(USAT imm:$pos, GPRnopc:$a, 0)>;
//===----------------------------------------------------------------------===//
// Bitwise Instructions.
@ -3449,47 +3459,52 @@ multiclass AI_smul<string opc, PatFrag opnode> {
multiclass AI_smla<string opc, PatFrag opnode> {
let DecoderMethod = "DecodeSMLAInstruction" in {
def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add GPR:$Ra,
(opnode (sext_inreg GPR:$Rn, i16),
(sext_inreg GPR:$Rm, i16))))]>,
[(set GPRnopc:$Rd, (add GPR:$Ra,
(opnode (sext_inreg GPRnopc:$Rn, i16),
(sext_inreg GPRnopc:$Rm, i16))))]>,
Requires<[IsARM, HasV5TE]>;
def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
(sra GPR:$Rm, (i32 16)))))]>,
[(set GPRnopc:$Rd,
(add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
(sra GPRnopc:$Rm, (i32 16)))))]>,
Requires<[IsARM, HasV5TE]>;
def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
(sext_inreg GPR:$Rm, i16))))]>,
[(set GPRnopc:$Rd,
(add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
(sext_inreg GPRnopc:$Rm, i16))))]>,
Requires<[IsARM, HasV5TE]>;
def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
(sra GPR:$Rm, (i32 16)))))]>,
[(set GPRnopc:$Rd,
(add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
(sra GPRnopc:$Rm, (i32 16)))))]>,
Requires<[IsARM, HasV5TE]>;
def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
(sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
[(set GPRnopc:$Rd,
(add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
(sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
Requires<[IsARM, HasV5TE]>;
def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
(ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
[(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
(sra GPR:$Rm, (i32 16))), (i32 16))))]>,
[(set GPRnopc:$Rd,
(add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
(sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
Requires<[IsARM, HasV5TE]>;
}
}
@ -3498,26 +3513,26 @@ defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
// Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm),
def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
(ins GPRnopc:$Rn, GPRnopc:$Rm),
IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV5TE]>;
def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm),
def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
(ins GPRnopc:$Rn, GPRnopc:$Rm),
IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV5TE]>;
def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm),
def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
(ins GPRnopc:$Rn, GPRnopc:$Rm),
IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV5TE]>;
def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm),
def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
(ins GPRnopc:$Rn, GPRnopc:$Rm),
IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV5TE]>;
@ -3564,18 +3579,20 @@ class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
multiclass AI_smld<bit sub, string opc> {
def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
(ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), NoItinerary,
def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
(ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
!strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
(ins GPR:$Rn, GPR:$Rm), NoItinerary,
def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
(ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
!strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
}
@ -3585,9 +3602,9 @@ defm SMLS : AI_smld<1, "smls">;
multiclass AI_sdml<bit sub, string opc> {
def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
def D : AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
def DX : AMulDualI<0, sub, 1, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
}
@ -4579,10 +4596,10 @@ def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPR:$Rm, i8)),
(SXTAB GPR:$Rn, GPR:$Rm, 0)>;
def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPR:$Rm, i16)),
(SXTAH GPR:$Rn, GPR:$Rm, 0)>;
def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
(SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
(SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
//===----------------------------------------------------------------------===//
// Thumb Support
@ -4669,31 +4686,37 @@ def : InstAlias<"rsc${s}${p} $Rdn, $shift",
// SSAT/USAT optional shift operand.
def : InstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
(SSAT GPR:$Rd, imm1_32:$sat_imm, GPR:$Rn, 0, pred:$p)>;
(SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
def : InstAlias<"usat${p} $Rd, $sat_imm, $Rn",
(USAT GPR:$Rd, imm0_31:$sat_imm, GPR:$Rn, 0, pred:$p)>;
(USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
// Extend instruction optional rotate operand.
def : InstAlias<"sxtab${p} $Rd, $Rn, $Rm",
(SXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
(SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtah${p} $Rd, $Rn, $Rm",
(SXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
(SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
(SXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtb${p} $Rd, $Rm", (SXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtb16${p} $Rd, $Rm", (SXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"sxth${p} $Rd, $Rm", (SXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
(SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtb${p} $Rd, $Rm",
(SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"sxtb16${p} $Rd, $Rm",
(SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"sxth${p} $Rd, $Rm",
(SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtab${p} $Rd, $Rn, $Rm",
(UXTAB GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
(UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtah${p} $Rd, $Rn, $Rm",
(UXTAH GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
(UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
(UXTAB16 GPR:$Rd, GPR:$Rn, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtb${p} $Rd, $Rm", (UXTB GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtb16${p} $Rd, $Rm", (UXTB16 GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
def : InstAlias<"uxth${p} $Rd, $Rm", (UXTH GPR:$Rd, GPR:$Rm, 0, pred:$p)>;
(UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtb${p} $Rd, $Rm",
(UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"uxtb16${p} $Rd, $Rm",
(UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
def : InstAlias<"uxth${p} $Rd, $Rm",
(UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
// RFE aliases

8
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
View File

@ -1177,10 +1177,10 @@ static bool DecodeSMLAInstruction(llvm::MCInst &Inst, unsigned Insn,
if (pred == 0xF)
return DecodeCPSInstruction(Inst, Insn, Address, Decoder);
DecodeGPRRegisterClass(Inst, Rd, Address, Decoder);
DecodeGPRRegisterClass(Inst, Rn, Address, Decoder);
DecodeGPRRegisterClass(Inst, Rm, Address, Decoder);
DecodeGPRRegisterClass(Inst, Ra, Address, Decoder);
DecodeGPRnopcRegisterClass(Inst, Rd, Address, Decoder);
DecodeGPRnopcRegisterClass(Inst, Rn, Address, Decoder);
DecodeGPRnopcRegisterClass(Inst, Rm, Address, Decoder);
DecodeGPRnopcRegisterClass(Inst, Ra, Address, Decoder);
return true;
}

5
test/MC/Disassembler/ARM/invalid-MOVTi16-arm.txt
View File

@ -1,11 +1,10 @@
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *
# Opcode=185 Name=MOVTi16 Format=ARM_FORMAT_DPFRM(4)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 0| 0: 0: 1: 1| 0: 1: 0: 0| 0: 0: 0: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0|
# -------------------------------------------------------------------------------------------------
#
#
# if d == 15 then UNPREDICTABLE
0x00 0xf0 0x41 0xe3

3
test/MC/Disassembler/ARM/invalid-SBFX-arm.txt
View File

@ -1,8 +1,7 @@
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *
# Opcode=271 Name=SBFX Format=ARM_FORMAT_DPFRM(4)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 0| 0: 1: 1: 1| 1: 0: 1: 0| 0: 1: 1: 1| 0: 1: 0: 1| 0: 1: 0: 0| 0: 1: 0: 1| 1: 1: 1: 1|
# -------------------------------------------------------------------------------------------------

3
test/MC/Disassembler/ARM/invalid-SMLAD-arm.txt
View File

@ -1,8 +1,7 @@
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *
# Opcode=284 Name=SMLAD Format=ARM_FORMAT_MULFRM(1)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 0: 0: 1| 0: 1: 1: 1| 0: 0: 0: 0| 1: 1: 1: 1| 0: 1: 1: 0| 1: 0: 0: 0| 0: 0: 0: 1| 1: 0: 1: 1|
# -------------------------------------------------------------------------------------------------

3
test/MC/Disassembler/ARM/invalid-SSAT-arm.txt
View File

@ -1,8 +1,7 @@
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *
# Opcode=322 Name=SSAT Format=ARM_FORMAT_SATFRM(13)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 0| 0: 1: 1: 0| 1: 0: 1: 0| 0: 0: 0: 0| 1: 1: 1: 1| 0: 1: 0: 0| 0: 0: 0: 1| 1: 0: 1: 0|
# -------------------------------------------------------------------------------------------------

3
test/MC/Disassembler/ARM/invalid-SXTB-arm.txt
View File

@ -1,8 +1,7 @@
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *
# Opcode=390 Name=SXTBr_rot Format=ARM_FORMAT_EXTFRM(14)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 0| 0: 1: 1: 0| 1: 0: 1: 0| 1: 1: 1: 1| 1: 1: 1: 1| 0: 1: 0: 0| 0: 1: 1: 1| 0: 1: 0: 1|
# -------------------------------------------------------------------------------------------------

5
test/MC/Disassembler/ARM/invalid-UQADD8-arm.txt
View File

@ -1,12 +1,11 @@
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
# XFAIL: *
# Opcode=426 Name=UQADD8 Format=ARM_FORMAT_DPFRM(4)
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 0| 0: 1: 1: 0| 0: 1: 1: 0| 0: 1: 1: 0| 0: 1: 0: 1| 1: 1: 1: 1| 1: 0: 0: 1| 1: 1: 1: 1|
# -------------------------------------------------------------------------------------------------
#
#
# DPFrm with bad reg specifier(s)
#
# if d == 15 || n == 15 || m == 15 then UNPREDICTABLE;