[llvm-commits] [llvm] r91434 - in /llvm/trunk/lib/Target/ARM: ARMInstrFormats.td ARMInstrThumb.td ARMInstrThumb2.td
Johnny Chen
johnny.chen at apple.com
Tue Dec 15 09:24:15 PST 2009
Author: johnny
Date: Tue Dec 15 11:24:14 2009
New Revision: 91434
URL: http://llvm.org/viewvc/llvm-project?rev=91434&view=rev
Log:
Added encoding bits for the Thumb ISA. Initial checkin.
Modified:
llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
llvm/trunk/lib/Target/ARM/ARMInstrThumb.td
llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
Modified: llvm/trunk/lib/Target/ARM/ARMInstrFormats.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrFormats.td?rev=91434&r1=91433&r2=91434&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrFormats.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrFormats.td Tue Dec 15 11:24:14 2009
@@ -146,11 +146,9 @@
// ARM Instruction templates.
//
-class InstARM<AddrMode am, SizeFlagVal sz, IndexMode im,
- Format f, Domain d, string cstr, InstrItinClass itin>
+class InstTemplate<AddrMode am, SizeFlagVal sz, IndexMode im,
+ Format f, Domain d, string cstr, InstrItinClass itin>
: Instruction {
- field bits<32> Inst;
-
let Namespace = "ARM";
// TSFlagsFields
@@ -179,6 +177,20 @@
let Itinerary = itin;
}
+class Encoding {
+ field bits<32> Inst;
+}
+
+class InstARM<AddrMode am, SizeFlagVal sz, IndexMode im,
+ Format f, Domain d, string cstr, InstrItinClass itin>
+ : InstTemplate<am, sz, im, f, d, cstr, itin>, Encoding;
+
+// This Encoding-less class is used by Thumb1 to specify the encoding bits later
+// on by adding flavors to specific instructions.
+class InstThumb<AddrMode am, SizeFlagVal sz, IndexMode im,
+ Format f, Domain d, string cstr, InstrItinClass itin>
+ : InstTemplate<am, sz, im, f, d, cstr, itin>;
+
class PseudoInst<dag oops, dag iops, InstrItinClass itin,
string asm, list<dag> pattern>
: InstARM<AddrModeNone, SizeSpecial, IndexModeNone, Pseudo, GenericDomain,
@@ -861,7 +873,7 @@
class ThumbI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
InstrItinClass itin, string asm, string cstr, list<dag> pattern>
- : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
+ : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
let OutOperandList = oops;
let InOperandList = iops;
let AsmString = asm;
@@ -876,9 +888,14 @@
class TIt<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
: ThumbI<oops, iops, AddrModeNone, Size2Bytes, itin, asm, "$lhs = $dst", pattern>;
-// tBL, tBX instructions
-class TIx2<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
- : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
+// tBL, tBX 32-bit instructions
+class TIx2<bits<5> opcod1, bits<2> opcod2, bit opcod3,
+ dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
+ : ThumbI<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>, Encoding {
+ let Inst{31-27} = opcod1;
+ let Inst{15-14} = opcod2;
+ let Inst{12} = opcod3;
+}
// BR_JT instructions
class TJTI<dag oops, dag iops, InstrItinClass itin, string asm, list<dag> pattern>
@@ -887,7 +904,7 @@
// Thumb1 only
class Thumb1I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
InstrItinClass itin, string asm, string cstr, list<dag> pattern>
- : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
+ : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
let OutOperandList = oops;
let InOperandList = iops;
let AsmString = asm;
@@ -903,7 +920,8 @@
: Thumb1I<oops, iops, AddrModeNone, Size4Bytes, itin, asm, "", pattern>;
class T1JTI<dag oops, dag iops, InstrItinClass itin,
string asm, list<dag> pattern>
- : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>;
+ : Thumb1I<oops, iops, AddrModeNone, SizeSpecial, itin, asm, "", pattern>,
+ Encoding;
// Two-address instructions
class T1It<dag oops, dag iops, InstrItinClass itin,
@@ -915,7 +933,7 @@
class Thumb1sI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
InstrItinClass itin,
string opc, string asm, string cstr, list<dag> pattern>
- : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
+ : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
let OutOperandList = !con(oops, (ops s_cc_out:$s));
let InOperandList = !con(iops, (ops pred:$p));
let AsmString = !strconcat(opc, !strconcat("${s}${p}", asm));
@@ -937,7 +955,7 @@
class Thumb1pI<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
InstrItinClass itin,
string opc, string asm, string cstr, list<dag> pattern>
- : InstARM<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
+ : InstThumb<am, sz, IndexModeNone, ThumbFrm, GenericDomain, cstr, itin> {
let OutOperandList = oops;
let InOperandList = !con(iops, (ops pred:$p));
let AsmString = !strconcat(opc, !strconcat("${p}", asm));
@@ -968,6 +986,46 @@
InstrItinClass itin, string opc, string asm, list<dag> pattern>
: Thumb1pI<oops, iops, AddrModeT1_s, Size2Bytes, itin, opc, asm, "", pattern>;
+// A6.2 16-bit Thumb instruction encoding
+class T1Encoding<bits<6> opcode> : Encoding {
+ let Inst{15-10} = opcode;
+}
+
+// A6.2.1 Shift (immediate), add, subtract, move, and compare encoding.
+class T1General<bits<5> opcode> : Encoding {
+ let Inst{15-14} = 0b00;
+ let Inst{13-9} = opcode;
+}
+
+// A6.2.2 Data-processing encoding.
+class T1DataProcessing<bits<4> opcode> : Encoding {
+ let Inst{15-10} = 0b010000;
+ let Inst{9-6} = opcode;
+}
+
+// A6.2.3 Special data instructions and branch and exchange encoding.
+class T1Special<bits<4> opcode> : Encoding {
+ let Inst{15-10} = 0b010001;
+ let Inst{9-6} = opcode;
+}
+
+// A6.2.4 Load/store single data item encoding.
+class T1LoadStore<bits<4> opA, bits<3> opB> : Encoding {
+ let Inst{15-12} = opA;
+ let Inst{11-9} = opB;
+}
+class T1LdSt<bits<3> opB> : T1LoadStore<0b0101, opB>;
+class T1LdSt4Imm<bits<3> opB> : T1LoadStore<0b0110, opB>; // Immediate, 4 bytes
+class T1LdSt1Imm<bits<3> opB> : T1LoadStore<0b0111, opB>; // Immediate, 1 byte
+class T1LdSt2Imm<bits<3> opB> : T1LoadStore<0b1000, opB>; // Immediate, 2 bytes
+class T1LdStSP<bits<3> opB> : T1LoadStore<0b1001, opB>; // SP relative
+
+// A6.2.5 Miscellaneous 16-bit instructions encoding.
+class T1Misc<bits<7> opcode> : Encoding {
+ let Inst{15-12} = 0b1011;
+ let Inst{11-5} = opcode;
+}
+
// Thumb2I - Thumb2 instruction. Almost all Thumb2 instructions are predicable.
class Thumb2I<dag oops, dag iops, AddrMode am, SizeFlagVal sz,
InstrItinClass itin,
@@ -1034,9 +1092,18 @@
class T2Ipc<dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
: Thumb2I<oops, iops, AddrModeT2_pc, Size4Bytes, itin, opc, asm, "", pattern>;
-class T2Ii8s4<dag oops, dag iops, InstrItinClass itin,
+class T2Ii8s4<bit P, bit W, bit load, dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
- : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "", pattern>;
+ : Thumb2I<oops, iops, AddrModeT2_i8s4, Size4Bytes, itin, opc, asm, "",
+ pattern> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = P;
+ let Inst{23} = ?; // The U bit.
+ let Inst{22} = 1;
+ let Inst{21} = W;
+ let Inst{20} = load;
+}
class T2sI<dag oops, dag iops, InstrItinClass itin,
string opc, string asm, list<dag> pattern>
@@ -1055,8 +1122,9 @@
// T2Iidxldst - Thumb2 indexed load / store instructions.
-class T2Iidxldst<dag oops, dag iops, AddrMode am, IndexMode im,
- InstrItinClass itin,
+class T2Iidxldst<bit signed, bits<2> opcod, bit load, bit pre,
+ dag oops, dag iops,
+ AddrMode am, IndexMode im, InstrItinClass itin,
string opc, string asm, string cstr, list<dag> pattern>
: InstARM<am, Size4Bytes, im, ThumbFrm, GenericDomain, cstr, itin> {
let OutOperandList = oops;
@@ -1064,6 +1132,16 @@
let AsmString = !strconcat(opc, !strconcat("${p}", asm));
let Pattern = pattern;
list<Predicate> Predicates = [IsThumb2];
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = signed;
+ let Inst{23} = 0;
+ let Inst{22-21} = opcod;
+ let Inst{20} = load;
+ let Inst{11} = 1;
+ // (P, W) = (1, 1) Pre-indexed or (0, 1) Post-indexed
+ let Inst{10} = pre; // The P bit.
+ let Inst{8} = 1; // The W bit.
}
// Tv5Pat - Same as Pat<>, but requires V5T Thumb mode.
Modified: llvm/trunk/lib/Target/ARM/ARMInstrThumb.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrThumb.td?rev=91434&r1=91433&r2=91434&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrThumb.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrThumb.td Tue Dec 15 11:24:14 2009
@@ -136,31 +136,46 @@
let isNotDuplicable = 1 in
def tPICADD : TIt<(outs GPR:$dst), (ins GPR:$lhs, pclabel:$cp), IIC_iALUr,
"\n$cp:\n\tadd\t$dst, pc",
- [(set GPR:$dst, (ARMpic_add GPR:$lhs, imm:$cp))]>;
+ [(set GPR:$dst, (ARMpic_add GPR:$lhs, imm:$cp))]>,
+ T1Special<{0,0,?,?}> {
+ let Inst{6-3} = 0b1111; // A8.6.6 Rm = pc
+}
// PC relative add.
def tADDrPCi : T1I<(outs tGPR:$dst), (ins t_imm_s4:$rhs), IIC_iALUi,
- "add\t$dst, pc, $rhs", []>;
+ "add\t$dst, pc, $rhs", []>,
+ T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
// ADD rd, sp, #imm8
def tADDrSPi : T1I<(outs tGPR:$dst), (ins GPR:$sp, t_imm_s4:$rhs), IIC_iALUi,
- "add\t$dst, $sp, $rhs", []>;
+ "add\t$dst, $sp, $rhs", []>,
+ T1Encoding<{1,0,1,0,1,?}>; // A6.2 & A8.6.8
// ADD sp, sp, #imm7
def tADDspi : TIt<(outs GPR:$dst), (ins GPR:$lhs, t_imm_s4:$rhs), IIC_iALUi,
- "add\t$dst, $rhs", []>;
+ "add\t$dst, $rhs", []>,
+ T1Misc<{0,0,0,0,0,?,?}>; // A6.2.5 & A8.6.8
// SUB sp, sp, #imm7
def tSUBspi : TIt<(outs GPR:$dst), (ins GPR:$lhs, t_imm_s4:$rhs), IIC_iALUi,
- "sub\t$dst, $rhs", []>;
+ "sub\t$dst, $rhs", []>,
+ T1Misc<{0,0,0,0,1,?,?}>; // A6.2.5 & A8.6.215
// ADD rm, sp
def tADDrSP : TIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
- "add\t$dst, $rhs", []>;
+ "add\t$dst, $rhs", []>,
+ T1Special<{0,0,?,?}> {
+ let Inst{6-3} = 0b1101; // A8.6.9 Encoding T1
+}
// ADD sp, rm
def tADDspr : TIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
- "add\t$dst, $rhs", []>;
+ "add\t$dst, $rhs", []>,
+ T1Special<{0,0,?,?}> {
+ // A8.6.9 Encoding T2
+ let Inst{7} = 1;
+ let Inst{2-0} = 0b101;
+}
// Pseudo instruction that will expand into a tSUBspi + a copy.
let usesCustomInserter = 1 in { // Expanded after instruction selection.
@@ -180,22 +195,32 @@
//
let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
- def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr", [(ARMretflag)]>;
+ def tBX_RET : TI<(outs), (ins), IIC_Br, "bx\tlr", [(ARMretflag)]>,
+ T1Special<{1,1,0,?}> { // A6.2.3 & A8.6.25
+ let Inst{6-3} = 0b1110; // Rm = lr
+ }
// Alternative return instruction used by vararg functions.
- def tBX_RET_vararg : TI<(outs), (ins tGPR:$target), IIC_Br, "bx\t$target", []>;
+ def tBX_RET_vararg : TI<(outs), (ins tGPR:$target), IIC_Br, "bx\t$target", []>,
+ T1Special<{1,1,0,?}>; // A6.2.3 & A8.6.25
}
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
def tBRIND : TI<(outs), (ins GPR:$dst), IIC_Br, "mov\tpc, $dst",
- [(brind GPR:$dst)]>;
+ [(brind GPR:$dst)]>,
+ T1Special<{1,0,?,?}> {
+ // <Rd> = pc
+ let Inst{7} = 1;
+ let Inst{2-0} = 0b111;
+ }
}
// FIXME: remove when we have a way to marking a MI with these properties.
let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
hasExtraDefRegAllocReq = 1 in
def tPOP_RET : T1I<(outs), (ins pred:$p, reglist:$wb, variable_ops), IIC_Br,
- "pop${p}\t$wb", []>;
+ "pop${p}\t$wb", []>,
+ T1Misc<{1,1,0,?,?,?,?}>;
let isCall = 1,
Defs = [R0, R1, R2, R3, R12, LR,
@@ -203,25 +228,29 @@
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
// Also used for Thumb2
- def tBL : TIx2<(outs), (ins i32imm:$func, variable_ops), IIC_Br,
- "bl\t${func:call}",
- [(ARMtcall tglobaladdr:$func)]>,
+ def tBL : TIx2<0b11110, 0b11, 1,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ "bl\t${func:call}",
+ [(ARMtcall tglobaladdr:$func)]>,
Requires<[IsThumb, IsNotDarwin]>;
// ARMv5T and above, also used for Thumb2
- def tBLXi : TIx2<(outs), (ins i32imm:$func, variable_ops), IIC_Br,
- "blx\t${func:call}",
- [(ARMcall tglobaladdr:$func)]>,
+ def tBLXi : TIx2<0b11110, 0b11, 0,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ "blx\t${func:call}",
+ [(ARMcall tglobaladdr:$func)]>,
Requires<[IsThumb, HasV5T, IsNotDarwin]>;
// Also used for Thumb2
def tBLXr : TI<(outs), (ins GPR:$func, variable_ops), IIC_Br,
"blx\t$func",
[(ARMtcall GPR:$func)]>,
- Requires<[IsThumb, HasV5T, IsNotDarwin]>;
+ Requires<[IsThumb, HasV5T, IsNotDarwin]>,
+ T1Special<{1,1,1,?}>; // A6.2.3 & A8.6.24;
// ARMv4T
- def tBX : TIx2<(outs), (ins tGPR:$func, variable_ops), IIC_Br,
+ def tBX : TIx2<{?,?,?,?,?}, {?,?}, ?,
+ (outs), (ins tGPR:$func, variable_ops), IIC_Br,
"mov\tlr, pc\n\tbx\t$func",
[(ARMcall_nolink tGPR:$func)]>,
Requires<[IsThumb1Only, IsNotDarwin]>;
@@ -234,27 +263,31 @@
D16, D17, D18, D19, D20, D21, D22, D23,
D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
// Also used for Thumb2
- def tBLr9 : TIx2<(outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ def tBLr9 : TIx2<0b11110, 0b11, 1,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
"bl\t${func:call}",
[(ARMtcall tglobaladdr:$func)]>,
Requires<[IsThumb, IsDarwin]>;
// ARMv5T and above, also used for Thumb2
- def tBLXi_r9 : TIx2<(outs), (ins i32imm:$func, variable_ops), IIC_Br,
+ def tBLXi_r9 : TIx2<0b11110, 0b11, 0,
+ (outs), (ins i32imm:$func, variable_ops), IIC_Br,
"blx\t${func:call}",
[(ARMcall tglobaladdr:$func)]>,
Requires<[IsThumb, HasV5T, IsDarwin]>;
// Also used for Thumb2
def tBLXr_r9 : TI<(outs), (ins GPR:$func, variable_ops), IIC_Br,
- "blx\t$func",
- [(ARMtcall GPR:$func)]>,
- Requires<[IsThumb, HasV5T, IsDarwin]>;
+ "blx\t$func",
+ [(ARMtcall GPR:$func)]>,
+ Requires<[IsThumb, HasV5T, IsDarwin]>,
+ T1Special<{1,1,1,?}>; // A6.2.3 & A8.6.24
// ARMv4T
- def tBXr9 : TIx2<(outs), (ins tGPR:$func, variable_ops), IIC_Br,
- "mov\tlr, pc\n\tbx\t$func",
- [(ARMcall_nolink tGPR:$func)]>,
+ def tBXr9 : TIx2<{?,?,?,?,?}, {?,?}, ?,
+ (outs), (ins tGPR:$func, variable_ops), IIC_Br,
+ "mov\tlr, pc\n\tbx\t$func",
+ [(ARMcall_nolink tGPR:$func)]>,
Requires<[IsThumb1Only, IsDarwin]>;
}
@@ -262,11 +295,12 @@
let isBarrier = 1 in {
let isPredicable = 1 in
def tB : T1I<(outs), (ins brtarget:$target), IIC_Br,
- "b\t$target", [(br bb:$target)]>;
+ "b\t$target", [(br bb:$target)]>,
+ T1Encoding<{1,1,1,0,0,?}>;
// Far jump
let Defs = [LR] in
- def tBfar : TIx2<(outs), (ins brtarget:$target), IIC_Br,
+ def tBfar : TIx2<0b11110, 0b11, 1, (outs), (ins brtarget:$target), IIC_Br,
"bl\t$target\t@ far jump",[]>;
def tBR_JTr : T1JTI<(outs),
@@ -281,15 +315,18 @@
let isBranch = 1, isTerminator = 1 in
def tBcc : T1I<(outs), (ins brtarget:$target, pred:$cc), IIC_Br,
"b$cc\t$target",
- [/*(ARMbrcond bb:$target, imm:$cc)*/]>;
+ [/*(ARMbrcond bb:$target, imm:$cc)*/]>,
+ T1Encoding<{1,1,0,1,?,?}>;
// Compare and branch on zero / non-zero
let isBranch = 1, isTerminator = 1 in {
def tCBZ : T1I<(outs), (ins tGPR:$cmp, brtarget:$target), IIC_Br,
- "cbz\t$cmp, $target", []>;
+ "cbz\t$cmp, $target", []>,
+ T1Misc<{0,0,?,1,?,?,?}>;
def tCBNZ : T1I<(outs), (ins tGPR:$cmp, brtarget:$target), IIC_Br,
- "cbnz\t$cmp, $target", []>;
+ "cbnz\t$cmp, $target", []>,
+ T1Misc<{1,0,?,1,?,?,?}>;
}
//===----------------------------------------------------------------------===//
@@ -299,71 +336,85 @@
let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
def tLDR : T1pI4<(outs tGPR:$dst), (ins t_addrmode_s4:$addr), IIC_iLoadr,
"ldr", "\t$dst, $addr",
- [(set tGPR:$dst, (load t_addrmode_s4:$addr))]>;
+ [(set tGPR:$dst, (load t_addrmode_s4:$addr))]>,
+ T1LdSt<0b100>;
def tLDRB : T1pI1<(outs tGPR:$dst), (ins t_addrmode_s1:$addr), IIC_iLoadr,
"ldrb", "\t$dst, $addr",
- [(set tGPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>;
+ [(set tGPR:$dst, (zextloadi8 t_addrmode_s1:$addr))]>,
+ T1LdSt<0b110>;
def tLDRH : T1pI2<(outs tGPR:$dst), (ins t_addrmode_s2:$addr), IIC_iLoadr,
"ldrh", "\t$dst, $addr",
- [(set tGPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>;
+ [(set tGPR:$dst, (zextloadi16 t_addrmode_s2:$addr))]>,
+ T1LdSt<0b101>;
let AddedComplexity = 10 in
def tLDRSB : T1pI1<(outs tGPR:$dst), (ins t_addrmode_rr:$addr), IIC_iLoadr,
"ldrsb", "\t$dst, $addr",
- [(set tGPR:$dst, (sextloadi8 t_addrmode_rr:$addr))]>;
+ [(set tGPR:$dst, (sextloadi8 t_addrmode_rr:$addr))]>,
+ T1LdSt<0b011>;
let AddedComplexity = 10 in
def tLDRSH : T1pI2<(outs tGPR:$dst), (ins t_addrmode_rr:$addr), IIC_iLoadr,
"ldrsh", "\t$dst, $addr",
- [(set tGPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>;
+ [(set tGPR:$dst, (sextloadi16 t_addrmode_rr:$addr))]>,
+ T1LdSt<0b111>;
let canFoldAsLoad = 1 in
def tLDRspi : T1pIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr), IIC_iLoadi,
"ldr", "\t$dst, $addr",
- [(set tGPR:$dst, (load t_addrmode_sp:$addr))]>;
+ [(set tGPR:$dst, (load t_addrmode_sp:$addr))]>,
+ T1LdStSP<{1,?,?}>;
// Special instruction for restore. It cannot clobber condition register
// when it's expanded by eliminateCallFramePseudoInstr().
let canFoldAsLoad = 1, mayLoad = 1 in
def tRestore : T1pIs<(outs tGPR:$dst), (ins t_addrmode_sp:$addr), IIC_iLoadi,
- "ldr", "\t$dst, $addr", []>;
+ "ldr", "\t$dst, $addr", []>,
+ T1LdStSP<{1,?,?}>;
// Load tconstpool
// FIXME: Use ldr.n to work around a Darwin assembler bug.
let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
def tLDRpci : T1pIs<(outs tGPR:$dst), (ins i32imm:$addr), IIC_iLoadi,
"ldr", ".n\t$dst, $addr",
- [(set tGPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>;
+ [(set tGPR:$dst, (load (ARMWrapper tconstpool:$addr)))]>,
+ T1Encoding<{0,1,0,0,1,?}>; // A6.2 & A8.6.59
// Special LDR for loads from non-pc-relative constpools.
let canFoldAsLoad = 1, mayLoad = 1, isReMaterializable = 1,
mayHaveSideEffects = 1 in
def tLDRcp : T1pIs<(outs tGPR:$dst), (ins i32imm:$addr), IIC_iLoadi,
- "ldr", "\t$dst, $addr", []>;
+ "ldr", "\t$dst, $addr", []>,
+ T1LdStSP<{1,?,?}>;
def tSTR : T1pI4<(outs), (ins tGPR:$src, t_addrmode_s4:$addr), IIC_iStorer,
"str", "\t$src, $addr",
- [(store tGPR:$src, t_addrmode_s4:$addr)]>;
+ [(store tGPR:$src, t_addrmode_s4:$addr)]>,
+ T1LdSt<0b000>;
def tSTRB : T1pI1<(outs), (ins tGPR:$src, t_addrmode_s1:$addr), IIC_iStorer,
"strb", "\t$src, $addr",
- [(truncstorei8 tGPR:$src, t_addrmode_s1:$addr)]>;
+ [(truncstorei8 tGPR:$src, t_addrmode_s1:$addr)]>,
+ T1LdSt<0b010>;
def tSTRH : T1pI2<(outs), (ins tGPR:$src, t_addrmode_s2:$addr), IIC_iStorer,
"strh", "\t$src, $addr",
- [(truncstorei16 tGPR:$src, t_addrmode_s2:$addr)]>;
+ [(truncstorei16 tGPR:$src, t_addrmode_s2:$addr)]>,
+ T1LdSt<0b001>;
def tSTRspi : T1pIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr), IIC_iStorei,
"str", "\t$src, $addr",
- [(store tGPR:$src, t_addrmode_sp:$addr)]>;
+ [(store tGPR:$src, t_addrmode_sp:$addr)]>,
+ T1LdStSP<{0,?,?}>;
let mayStore = 1 in {
// Special instruction for spill. It cannot clobber condition register
// when it's expanded by eliminateCallFramePseudoInstr().
def tSpill : T1pIs<(outs), (ins tGPR:$src, t_addrmode_sp:$addr), IIC_iStorei,
- "str", "\t$src, $addr", []>;
+ "str", "\t$src, $addr", []>,
+ T1LdStSP<{0,?,?}>;
}
//===----------------------------------------------------------------------===//
@@ -375,21 +426,25 @@
def tLDM : T1I<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
IIC_iLoadm,
- "ldm${addr:submode}${p}\t$addr, $wb", []>;
+ "ldm${addr:submode}${p}\t$addr, $wb", []>,
+ T1Encoding<{1,1,0,0,1,?}>; // A6.2 & A8.6.53
let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
def tSTM : T1I<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
IIC_iStorem,
- "stm${addr:submode}${p}\t$addr, $wb", []>;
+ "stm${addr:submode}${p}\t$addr, $wb", []>,
+ T1Encoding<{1,1,0,0,0,?}>; // A6.2 & A8.6.189
let mayLoad = 1, Uses = [SP], Defs = [SP], hasExtraDefRegAllocReq = 1 in
def tPOP : T1I<(outs), (ins pred:$p, reglist:$wb, variable_ops), IIC_Br,
- "pop${p}\t$wb", []>;
+ "pop${p}\t$wb", []>,
+ T1Misc<{1,1,0,?,?,?,?}>;
let mayStore = 1, Uses = [SP], Defs = [SP], hasExtraSrcRegAllocReq = 1 in
def tPUSH : T1I<(outs), (ins pred:$p, reglist:$wb, variable_ops), IIC_Br,
- "push${p}\t$wb", []>;
+ "push${p}\t$wb", []>,
+ T1Misc<{0,1,0,?,?,?,?}>;
//===----------------------------------------------------------------------===//
// Arithmetic Instructions.
@@ -399,82 +454,98 @@
let isCommutable = 1, Uses = [CPSR] in
def tADC : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"adc", "\t$dst, $rhs",
- [(set tGPR:$dst, (adde tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (adde tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0101>;
// Add immediate
def tADDi3 : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
"add", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm0_7:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, imm0_7:$rhs))]>,
+ T1General<0b01110>;
def tADDi8 : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
"add", "\t$dst, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm8_255:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, imm8_255:$rhs))]>,
+ T1General<{1,1,0,?,?}>;
// Add register
let isCommutable = 1 in
def tADDrr : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"add", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, tGPR:$rhs))]>,
+ T1General<0b01100>;
let neverHasSideEffects = 1 in
def tADDhirr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
- "add", "\t$dst, $rhs", []>;
+ "add", "\t$dst, $rhs", []>,
+ T1Special<{0,0,?,?}>;
// And register
let isCommutable = 1 in
def tAND : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"and", "\t$dst, $rhs",
- [(set tGPR:$dst, (and tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (and tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0000>;
// ASR immediate
def tASRri : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
"asr", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (sra tGPR:$lhs, (i32 imm:$rhs)))]>;
+ [(set tGPR:$dst, (sra tGPR:$lhs, (i32 imm:$rhs)))]>,
+ T1General<{0,1,0,?,?}>;
// ASR register
def tASRrr : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
"asr", "\t$dst, $rhs",
- [(set tGPR:$dst, (sra tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (sra tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0100>;
// BIC register
def tBIC : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"bic", "\t$dst, $rhs",
- [(set tGPR:$dst, (and tGPR:$lhs, (not tGPR:$rhs)))]>;
+ [(set tGPR:$dst, (and tGPR:$lhs, (not tGPR:$rhs)))]>,
+ T1DataProcessing<0b1110>;
// CMN register
let Defs = [CPSR] in {
def tCMN : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
"cmn", "\t$lhs, $rhs",
- [(ARMcmp tGPR:$lhs, (ineg tGPR:$rhs))]>;
+ [(ARMcmp tGPR:$lhs, (ineg tGPR:$rhs))]>,
+ T1DataProcessing<0b1011>;
def tCMNZ : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
"cmn", "\t$lhs, $rhs",
- [(ARMcmpZ tGPR:$lhs, (ineg tGPR:$rhs))]>;
+ [(ARMcmpZ tGPR:$lhs, (ineg tGPR:$rhs))]>,
+ T1DataProcessing<0b1011>;
}
// CMP immediate
let Defs = [CPSR] in {
def tCMPi8 : T1pI<(outs), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMPi,
"cmp", "\t$lhs, $rhs",
- [(ARMcmp tGPR:$lhs, imm0_255:$rhs)]>;
+ [(ARMcmp tGPR:$lhs, imm0_255:$rhs)]>,
+ T1General<{1,0,1,?,?}>;
def tCMPzi8 : T1pI<(outs), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMPi,
"cmp", "\t$lhs, $rhs",
- [(ARMcmpZ tGPR:$lhs, imm0_255:$rhs)]>;
-
+ [(ARMcmpZ tGPR:$lhs, imm0_255:$rhs)]>,
+ T1General<{1,0,1,?,?}>;
}
// CMP register
let Defs = [CPSR] in {
def tCMPr : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
"cmp", "\t$lhs, $rhs",
- [(ARMcmp tGPR:$lhs, tGPR:$rhs)]>;
+ [(ARMcmp tGPR:$lhs, tGPR:$rhs)]>,
+ T1DataProcessing<0b1010>;
def tCMPzr : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
"cmp", "\t$lhs, $rhs",
- [(ARMcmpZ tGPR:$lhs, tGPR:$rhs)]>;
+ [(ARMcmpZ tGPR:$lhs, tGPR:$rhs)]>,
+ T1DataProcessing<0b1010>;
def tCMPhir : T1pI<(outs), (ins GPR:$lhs, GPR:$rhs), IIC_iCMPr,
- "cmp", "\t$lhs, $rhs", []>;
+ "cmp", "\t$lhs, $rhs", []>,
+ T1Special<{0,1,?,?}>;
def tCMPzhir : T1pI<(outs), (ins GPR:$lhs, GPR:$rhs), IIC_iCMPr,
- "cmp", "\t$lhs, $rhs", []>;
+ "cmp", "\t$lhs, $rhs", []>,
+ T1Special<{0,1,?,?}>;
}
@@ -482,32 +553,38 @@
let isCommutable = 1 in
def tEOR : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"eor", "\t$dst, $rhs",
- [(set tGPR:$dst, (xor tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (xor tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0001>;
// LSL immediate
def tLSLri : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
"lsl", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (shl tGPR:$lhs, (i32 imm:$rhs)))]>;
+ [(set tGPR:$dst, (shl tGPR:$lhs, (i32 imm:$rhs)))]>,
+ T1General<{0,0,0,?,?}>;
// LSL register
def tLSLrr : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
"lsl", "\t$dst, $rhs",
- [(set tGPR:$dst, (shl tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (shl tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0010>;
// LSR immediate
def tLSRri : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
"lsr", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (srl tGPR:$lhs, (i32 imm:$rhs)))]>;
+ [(set tGPR:$dst, (srl tGPR:$lhs, (i32 imm:$rhs)))]>,
+ T1General<{0,0,1,?,?}>;
// LSR register
def tLSRrr : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
"lsr", "\t$dst, $rhs",
- [(set tGPR:$dst, (srl tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (srl tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0011>;
// move register
def tMOVi8 : T1sI<(outs tGPR:$dst), (ins i32imm:$src), IIC_iMOVi,
"mov", "\t$dst, $src",
- [(set tGPR:$dst, imm0_255:$src)]>;
+ [(set tGPR:$dst, imm0_255:$src)]>,
+ T1General<{1,0,0,?,?}>;
// TODO: A7-73: MOV(2) - mov setting flag.
@@ -515,42 +592,52 @@
let neverHasSideEffects = 1 in {
// FIXME: Make this predicable.
def tMOVr : T1I<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
- "mov\t$dst, $src", []>;
+ "mov\t$dst, $src", []>,
+ T1Special<0b1000>;
let Defs = [CPSR] in
def tMOVSr : T1I<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
- "movs\t$dst, $src", []>;
+ "movs\t$dst, $src", []>, Encoding {
+ let Inst{15-6} = 0b0000000000;
+}
// FIXME: Make these predicable.
def tMOVgpr2tgpr : T1I<(outs tGPR:$dst), (ins GPR:$src), IIC_iMOVr,
- "mov\t$dst, $src", []>;
+ "mov\t$dst, $src", []>,
+ T1Special<{1,0,0,1}>;
def tMOVtgpr2gpr : T1I<(outs GPR:$dst), (ins tGPR:$src), IIC_iMOVr,
- "mov\t$dst, $src", []>;
+ "mov\t$dst, $src", []>,
+ T1Special<{1,0,1,0}>;
def tMOVgpr2gpr : T1I<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr,
- "mov\t$dst, $src", []>;
+ "mov\t$dst, $src", []>,
+ T1Special<{1,0,1,1}>;
} // neverHasSideEffects
// multiply register
let isCommutable = 1 in
def tMUL : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMUL32,
"mul", "\t$dst, $rhs",
- [(set tGPR:$dst, (mul tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (mul tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b1101>;
// move inverse register
def tMVN : T1sI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iMOVr,
"mvn", "\t$dst, $src",
- [(set tGPR:$dst, (not tGPR:$src))]>;
+ [(set tGPR:$dst, (not tGPR:$src))]>,
+ T1DataProcessing<0b1111>;
// bitwise or register
let isCommutable = 1 in
def tORR : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"orr", "\t$dst, $rhs",
- [(set tGPR:$dst, (or tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (or tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b1100>;
// swaps
def tREV : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"rev", "\t$dst, $src",
[(set tGPR:$dst, (bswap tGPR:$src))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{1,0,1,0,0,0,?}>;
def tREV16 : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"rev16", "\t$dst, $src",
@@ -559,7 +646,8 @@
(or (and (shl tGPR:$src, (i32 8)), 0xFF00),
(or (and (srl tGPR:$src, (i32 8)), 0xFF0000),
(and (shl tGPR:$src, (i32 8)), 0xFF000000)))))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{1,0,1,0,0,1,?}>;
def tREVSH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"revsh", "\t$dst, $src",
@@ -567,37 +655,44 @@
(sext_inreg
(or (srl (and tGPR:$src, 0xFF00), (i32 8)),
(shl tGPR:$src, (i32 8))), i16))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{1,0,1,0,1,1,?}>;
// rotate right register
def tROR : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iMOVsr,
"ror", "\t$dst, $rhs",
- [(set tGPR:$dst, (rotr tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (rotr tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0111>;
// negate register
def tRSB : T1sI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iALUi,
"rsb", "\t$dst, $src, #0",
- [(set tGPR:$dst, (ineg tGPR:$src))]>;
+ [(set tGPR:$dst, (ineg tGPR:$src))]>,
+ T1DataProcessing<0b1001>;
// Subtract with carry register
let Uses = [CPSR] in
def tSBC : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"sbc", "\t$dst, $rhs",
- [(set tGPR:$dst, (sube tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (sube tGPR:$lhs, tGPR:$rhs))]>,
+ T1DataProcessing<0b0110>;
// Subtract immediate
def tSUBi3 : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
"sub", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm0_7_neg:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, imm0_7_neg:$rhs))]>,
+ T1General<0b01111>;
def tSUBi8 : T1sIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iALUi,
"sub", "\t$dst, $rhs",
- [(set tGPR:$dst, (add tGPR:$lhs, imm8_255_neg:$rhs))]>;
+ [(set tGPR:$dst, (add tGPR:$lhs, imm8_255_neg:$rhs))]>,
+ T1General<{1,1,1,?,?}>;
// subtract register
def tSUBrr : T1sI<(outs tGPR:$dst), (ins tGPR:$lhs, tGPR:$rhs), IIC_iALUr,
"sub", "\t$dst, $lhs, $rhs",
- [(set tGPR:$dst, (sub tGPR:$lhs, tGPR:$rhs))]>;
+ [(set tGPR:$dst, (sub tGPR:$lhs, tGPR:$rhs))]>,
+ T1General<0b01101>;
// TODO: A7-96: STMIA - store multiple.
@@ -605,31 +700,36 @@
def tSXTB : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"sxtb", "\t$dst, $src",
[(set tGPR:$dst, (sext_inreg tGPR:$src, i8))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,0,1,?}>;
// sign-extend short
def tSXTH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"sxth", "\t$dst, $src",
[(set tGPR:$dst, (sext_inreg tGPR:$src, i16))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,0,0,?}>;
// test
let isCommutable = 1, Defs = [CPSR] in
def tTST : T1pI<(outs), (ins tGPR:$lhs, tGPR:$rhs), IIC_iCMPr,
"tst", "\t$lhs, $rhs",
- [(ARMcmpZ (and tGPR:$lhs, tGPR:$rhs), 0)]>;
+ [(ARMcmpZ (and tGPR:$lhs, tGPR:$rhs), 0)]>,
+ T1DataProcessing<0b1000>;
// zero-extend byte
def tUXTB : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"uxtb", "\t$dst, $src",
[(set tGPR:$dst, (and tGPR:$src, 0xFF))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,1,1,?}>;
// zero-extend short
def tUXTH : T1pI<(outs tGPR:$dst), (ins tGPR:$src), IIC_iUNAr,
"uxth", "\t$dst, $src",
[(set tGPR:$dst, (and tGPR:$src, 0xFFFF))]>,
- Requires<[IsThumb1Only, HasV6]>;
+ Requires<[IsThumb1Only, HasV6]>,
+ T1Misc<{0,0,1,0,1,0,?}>;
// Conditional move tMOVCCr - Used to implement the Thumb SELECT_CC DAG operation.
@@ -643,19 +743,23 @@
// 16-bit movcc in IT blocks for Thumb2.
def tMOVCCr : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iCMOVr,
- "mov", "\t$dst, $rhs", []>;
+ "mov", "\t$dst, $rhs", []>,
+ T1Special<{1,0,?,?}>;
def tMOVCCi : T1pIt<(outs GPR:$dst), (ins GPR:$lhs, i32imm:$rhs), IIC_iCMOVi,
- "mov", "\t$dst, $rhs", []>;
+ "mov", "\t$dst, $rhs", []>,
+ T1General<{1,0,0,?,?}>;
// tLEApcrel - Load a pc-relative address into a register without offending the
// assembler.
def tLEApcrel : T1I<(outs tGPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi,
- "adr$p\t$dst, #$label", []>;
+ "adr$p\t$dst, #$label", []>,
+ T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
def tLEApcrelJT : T1I<(outs tGPR:$dst),
(ins i32imm:$label, nohash_imm:$id, pred:$p),
- IIC_iALUi, "adr$p\t$dst, #${label}_${id}", []>;
+ IIC_iALUi, "adr$p\t$dst, #${label}_${id}", []>,
+ T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10
//===----------------------------------------------------------------------===//
// TLS Instructions
@@ -664,9 +768,9 @@
// __aeabi_read_tp preserves the registers r1-r3.
let isCall = 1,
Defs = [R0, LR] in {
- def tTPsoft : TIx2<(outs), (ins), IIC_Br,
- "bl\t__aeabi_read_tp",
- [(set R0, ARMthread_pointer)]>;
+ def tTPsoft : TIx2<0b11110, 0b11, 1, (outs), (ins), IIC_Br,
+ "bl\t__aeabi_read_tp",
+ [(set R0, ARMthread_pointer)]>;
}
// SJLJ Exception handling intrinsics
Modified: llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td?rev=91434&r1=91433&r2=91434&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td Tue Dec 15 11:24:14 2009
@@ -165,234 +165,465 @@
/// T2I_un_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a
/// unary operation that produces a value. These are predicable and can be
/// changed to modify CPSR.
-multiclass T2I_un_irs<string opc, PatFrag opnode, bit Cheap = 0, bit ReMat = 0>{
+multiclass T2I_un_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Cheap = 0, bit ReMat = 0> {
// shifted imm
def i : T2sI<(outs GPR:$dst), (ins t2_so_imm:$src), IIC_iMOVi,
opc, "\t$dst, $src",
[(set GPR:$dst, (opnode t2_so_imm:$src))]> {
let isAsCheapAsAMove = Cheap;
let isReMaterializable = ReMat;
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
}
// register
def r : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr,
opc, ".w\t$dst, $src",
- [(set GPR:$dst, (opnode GPR:$src))]>;
+ [(set GPR:$dst, (opnode GPR:$src))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
+ }
// shifted register
def s : T2I<(outs GPR:$dst), (ins t2_so_reg:$src), IIC_iMOVsi,
opc, ".w\t$dst, $src",
- [(set GPR:$dst, (opnode t2_so_reg:$src))]>;
+ [(set GPR:$dst, (opnode t2_so_reg:$src))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ }
}
/// T2I_bin_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns for a
// binary operation that produces a value. These are predicable and can be
/// changed to modify CPSR.
-multiclass T2I_bin_irs<string opc, PatFrag opnode,
+multiclass T2I_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0, string wide =""> {
// shifted imm
def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
opc, "\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = ?; // The S bit.
+ let Inst{15} = 0;
+ }
// register
def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
opc, !strconcat(wide, "\t$dst, $lhs, $rhs"),
[(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> {
let isCommutable = Commutable;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = ?; // The S bit.
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
}
// shifted register
def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
opc, !strconcat(wide, "\t$dst, $lhs, $rhs"),
- [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = ?; // The S bit.
+ }
}
/// T2I_bin_w_irs - Same as T2I_bin_irs except these operations need
// the ".w" prefix to indicate that they are wide.
-multiclass T2I_bin_w_irs<string opc, PatFrag opnode, bit Commutable = 0> :
- T2I_bin_irs<opc, opnode, Commutable, ".w">;
+multiclass T2I_bin_w_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> :
+ T2I_bin_irs<opcod, opc, opnode, Commutable, ".w">;
/// T2I_rbin_is - Same as T2I_bin_irs except the order of operands are
/// reversed. It doesn't define the 'rr' form since it's handled by its
/// T2I_bin_irs counterpart.
-multiclass T2I_rbin_is<string opc, PatFrag opnode> {
+multiclass T2I_rbin_is<bits<4> opcod, string opc, PatFrag opnode> {
// shifted imm
def ri : T2I<(outs GPR:$dst), (ins GPR:$rhs, t2_so_imm:$lhs), IIC_iALUi,
opc, ".w\t$dst, $rhs, $lhs",
- [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]>;
+ [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 0; // The S bit.
+ let Inst{15} = 0;
+ }
// shifted register
def rs : T2I<(outs GPR:$dst), (ins GPR:$rhs, t2_so_reg:$lhs), IIC_iALUsi,
opc, "\t$dst, $rhs, $lhs",
- [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]>;
+ [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 0; // The S bit.
+ }
}
/// T2I_bin_s_irs - Similar to T2I_bin_irs except it sets the 's' bit so the
/// instruction modifies the CPSR register.
let Defs = [CPSR] in {
-multiclass T2I_bin_s_irs<string opc, PatFrag opnode, bit Commutable = 0> {
+multiclass T2I_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
+ bit Commutable = 0> {
// shifted imm
def ri : T2I<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
!strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{15} = 0;
+ }
// register
def rr : T2I<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
!strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> {
let isCommutable = Commutable;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
}
// shifted register
def rs : T2I<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
!strconcat(opc, "s"), ".w\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ }
}
}
/// T2I_bin_ii12rs - Defines a set of (op reg, {so_imm|imm0_4095|r|so_reg})
/// patterns for a binary operation that produces a value.
-multiclass T2I_bin_ii12rs<string opc, PatFrag opnode, bit Commutable = 0> {
+multiclass T2I_bin_ii12rs<bits<3> op23_21, string opc, PatFrag opnode,
+ bit Commutable = 0> {
// shifted imm
def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
opc, ".w\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24} = 1;
+ let Inst{23-21} = op23_21;
+ let Inst{20} = 0; // The S bit.
+ let Inst{15} = 0;
+ }
// 12-bit imm
def ri12 : T2sI<(outs GPR:$dst), (ins GPR:$lhs, imm0_4095:$rhs), IIC_iALUi,
!strconcat(opc, "w"), "\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, imm0_4095:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, imm0_4095:$rhs))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24} = 0;
+ let Inst{23-21} = op23_21;
+ let Inst{20} = 0; // The S bit.
+ let Inst{15} = 0;
+ }
// register
def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
opc, ".w\t$dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> {
let isCommutable = Commutable;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24} = 1;
+ let Inst{23-21} = op23_21;
+ let Inst{20} = 0; // The S bit.
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
}
// shifted register
def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
opc, ".w\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{24} = 1;
+ let Inst{26-25} = 0b01;
+ let Inst{23-21} = op23_21;
+ let Inst{20} = 0; // The S bit.
+ }
}
/// T2I_adde_sube_irs - Defines a set of (op reg, {so_imm|r|so_reg}) patterns
/// for a binary operation that produces a value and use and define the carry
/// bit. It's not predicable.
let Uses = [CPSR] in {
-multiclass T2I_adde_sube_irs<string opc, PatFrag opnode, bit Commutable = 0> {
+multiclass T2I_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode, bit Commutable = 0> {
// shifted imm
def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
opc, "\t$dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>,
- Requires<[IsThumb2, CarryDefIsUnused]>;
+ Requires<[IsThumb2, CarryDefIsUnused]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 0; // The S bit.
+ let Inst{15} = 0;
+ }
// register
def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
opc, ".w\t$dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>,
Requires<[IsThumb2, CarryDefIsUnused]> {
let isCommutable = Commutable;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 0; // The S bit.
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
}
// shifted register
def rs : T2sI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
opc, ".w\t$dst, $lhs, $rhs",
[(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>,
- Requires<[IsThumb2, CarryDefIsUnused]>;
+ Requires<[IsThumb2, CarryDefIsUnused]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 0; // The S bit.
+ }
// Carry setting variants
// shifted imm
def Sri : T2XI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iALUi,
!strconcat(opc, "s\t$dst, $lhs, $rhs"),
[(set GPR:$dst, (opnode GPR:$lhs, t2_so_imm:$rhs))]>,
Requires<[IsThumb2, CarryDefIsUsed]> {
- let Defs = [CPSR];
- }
+ let Defs = [CPSR];
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{15} = 0;
+ }
// register
def Srr : T2XI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iALUr,
!strconcat(opc, "s.w\t$dst, $lhs, $rhs"),
[(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>,
Requires<[IsThumb2, CarryDefIsUsed]> {
- let Defs = [CPSR];
- let isCommutable = Commutable;
+ let Defs = [CPSR];
+ let isCommutable = Commutable;
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
}
// shifted register
def Srs : T2XI<(outs GPR:$dst), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iALUsi,
!strconcat(opc, "s.w\t$dst, $lhs, $rhs"),
[(set GPR:$dst, (opnode GPR:$lhs, t2_so_reg:$rhs))]>,
Requires<[IsThumb2, CarryDefIsUsed]> {
- let Defs = [CPSR];
+ let Defs = [CPSR];
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
}
}
}
/// T2I_rbin_s_is - Same as T2I_rbin_is except sets 's' bit.
let Defs = [CPSR] in {
-multiclass T2I_rbin_s_is<string opc, PatFrag opnode> {
+multiclass T2I_rbin_s_is<bits<4> opcod, string opc, PatFrag opnode> {
// shifted imm
def ri : T2XI<(outs GPR:$dst), (ins GPR:$rhs, t2_so_imm:$lhs, cc_out:$s),
IIC_iALUi,
!strconcat(opc, "${s}.w\t$dst, $rhs, $lhs"),
- [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]>;
+ [(set GPR:$dst, (opnode t2_so_imm:$lhs, GPR:$rhs))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{15} = 0;
+ }
// shifted register
def rs : T2XI<(outs GPR:$dst), (ins GPR:$rhs, t2_so_reg:$lhs, cc_out:$s),
IIC_iALUsi,
!strconcat(opc, "${s}\t$dst, $rhs, $lhs"),
- [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]>;
+ [(set GPR:$dst, (opnode t2_so_reg:$lhs, GPR:$rhs))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ }
}
}
/// T2I_sh_ir - Defines a set of (op reg, {so_imm|r}) patterns for a shift /
// rotate operation that produces a value.
-multiclass T2I_sh_ir<string opc, PatFrag opnode> {
+multiclass T2I_sh_ir<bits<2> opcod, string opc, PatFrag opnode> {
// 5-bit imm
def ri : T2sI<(outs GPR:$dst), (ins GPR:$lhs, i32imm:$rhs), IIC_iMOVsi,
opc, ".w\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, imm1_31:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, imm1_31:$rhs))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-21} = 0b010010;
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{5-4} = opcod;
+ }
// register
def rr : T2sI<(outs GPR:$dst), (ins GPR:$lhs, GPR:$rhs), IIC_iMOVsr,
opc, ".w\t$dst, $lhs, $rhs",
- [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]>;
+ [(set GPR:$dst, (opnode GPR:$lhs, GPR:$rhs))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0100;
+ let Inst{22-21} = opcod;
+ let Inst{15-12} = 0b1111;
+ let Inst{7-4} = 0b0000;
+ }
}
-/// T2I_cmp_is - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
+/// T2I_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
/// patterns. Similar to T2I_bin_irs except the instruction does not produce
/// a explicit result, only implicitly set CPSR.
let Defs = [CPSR] in {
-multiclass T2I_cmp_is<string opc, PatFrag opnode> {
+multiclass T2I_cmp_irs<bits<4> opcod, string opc, PatFrag opnode> {
// shifted imm
def ri : T2I<(outs), (ins GPR:$lhs, t2_so_imm:$rhs), IIC_iCMPi,
opc, ".w\t$lhs, $rhs",
- [(opnode GPR:$lhs, t2_so_imm:$rhs)]>;
+ [(opnode GPR:$lhs, t2_so_imm:$rhs)]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{15} = 0;
+ let Inst{11-8} = 0b1111; // Rd
+ }
// register
def rr : T2I<(outs), (ins GPR:$lhs, GPR:$rhs), IIC_iCMPr,
opc, ".w\t$lhs, $rhs",
- [(opnode GPR:$lhs, GPR:$rhs)]>;
+ [(opnode GPR:$lhs, GPR:$rhs)]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{14-12} = 0b000; // imm3
+ let Inst{11-8} = 0b1111; // Rd
+ let Inst{7-6} = 0b00; // imm2
+ let Inst{5-4} = 0b00; // type
+ }
// shifted register
def rs : T2I<(outs), (ins GPR:$lhs, t2_so_reg:$rhs), IIC_iCMPsi,
opc, ".w\t$lhs, $rhs",
- [(opnode GPR:$lhs, t2_so_reg:$rhs)]>;
+ [(opnode GPR:$lhs, t2_so_reg:$rhs)]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = opcod;
+ let Inst{20} = 1; // The S bit.
+ let Inst{11-8} = 0b1111; // Rd
+ }
}
}
/// T2I_ld - Defines a set of (op r, {imm12|imm8|so_reg}) load patterns.
-multiclass T2I_ld<string opc, PatFrag opnode> {
+multiclass T2I_ld<bit signed, bits<2> opcod, string opc, PatFrag opnode> {
def i12 : T2Ii12<(outs GPR:$dst), (ins t2addrmode_imm12:$addr), IIC_iLoadi,
opc, ".w\t$dst, $addr",
- [(set GPR:$dst, (opnode t2addrmode_imm12:$addr))]>;
+ [(set GPR:$dst, (opnode t2addrmode_imm12:$addr))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = signed;
+ let Inst{23} = 1;
+ let Inst{22-21} = opcod;
+ let Inst{20} = 1; // load
+ }
def i8 : T2Ii8 <(outs GPR:$dst), (ins t2addrmode_imm8:$addr), IIC_iLoadi,
opc, "\t$dst, $addr",
- [(set GPR:$dst, (opnode t2addrmode_imm8:$addr))]>;
+ [(set GPR:$dst, (opnode t2addrmode_imm8:$addr))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = signed;
+ let Inst{23} = 0;
+ let Inst{22-21} = opcod;
+ let Inst{20} = 1; // load
+ let Inst{11} = 1;
+ // Offset: index==TRUE, wback==FALSE
+ let Inst{10} = 1; // The P bit.
+ let Inst{8} = 0; // The W bit.
+ }
def s : T2Iso <(outs GPR:$dst), (ins t2addrmode_so_reg:$addr), IIC_iLoadr,
opc, ".w\t$dst, $addr",
- [(set GPR:$dst, (opnode t2addrmode_so_reg:$addr))]>;
+ [(set GPR:$dst, (opnode t2addrmode_so_reg:$addr))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = signed;
+ let Inst{23} = 0;
+ let Inst{22-21} = opcod;
+ let Inst{20} = 1; // load
+ let Inst{11-6} = 0b000000;
+ }
def pci : T2Ipc <(outs GPR:$dst), (ins i32imm:$addr), IIC_iLoadi,
opc, ".w\t$dst, $addr",
[(set GPR:$dst, (opnode (ARMWrapper tconstpool:$addr)))]> {
let isReMaterializable = 1;
+ let Inst{31-27} = 0b11111;
+ let Inst{26-25} = 0b00;
+ let Inst{24} = signed;
+ let Inst{23} = ?; // add = (U == '1')
+ let Inst{22-21} = opcod;
+ let Inst{20} = 1; // load
+ let Inst{19-16} = 0b1111; // Rn
}
}
/// T2I_st - Defines a set of (op r, {imm12|imm8|so_reg}) store patterns.
-multiclass T2I_st<string opc, PatFrag opnode> {
+multiclass T2I_st<bits<2> opcod, string opc, PatFrag opnode> {
def i12 : T2Ii12<(outs), (ins GPR:$src, t2addrmode_imm12:$addr), IIC_iStorei,
opc, ".w\t$src, $addr",
- [(opnode GPR:$src, t2addrmode_imm12:$addr)]>;
+ [(opnode GPR:$src, t2addrmode_imm12:$addr)]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0001;
+ let Inst{22-21} = opcod;
+ let Inst{20} = 0; // !load
+ }
def i8 : T2Ii8 <(outs), (ins GPR:$src, t2addrmode_imm8:$addr), IIC_iStorei,
opc, "\t$src, $addr",
- [(opnode GPR:$src, t2addrmode_imm8:$addr)]>;
+ [(opnode GPR:$src, t2addrmode_imm8:$addr)]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0000;
+ let Inst{22-21} = opcod;
+ let Inst{20} = 0; // !load
+ let Inst{11} = 1;
+ // Offset: index==TRUE, wback==FALSE
+ let Inst{10} = 1; // The P bit.
+ let Inst{8} = 0; // The W bit.
+ }
def s : T2Iso <(outs), (ins GPR:$src, t2addrmode_so_reg:$addr), IIC_iStorer,
opc, ".w\t$src, $addr",
- [(opnode GPR:$src, t2addrmode_so_reg:$addr)]>;
+ [(opnode GPR:$src, t2addrmode_so_reg:$addr)]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0000;
+ let Inst{22-21} = opcod;
+ let Inst{20} = 0; // !load
+ let Inst{11-6} = 0b000000;
+ }
}
/// T2I_picld - Defines the PIC load pattern.
@@ -410,25 +641,55 @@
/// T2I_unary_rrot - A unary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
-multiclass T2I_unary_rrot<string opc, PatFrag opnode> {
+multiclass T2I_unary_rrot<bits<3> opcod, string opc, PatFrag opnode> {
def r : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
opc, ".w\t$dst, $src",
- [(set GPR:$dst, (opnode GPR:$src))]>;
+ [(set GPR:$dst, (opnode GPR:$src))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0100;
+ let Inst{22-20} = opcod;
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15-12} = 0b1111;
+ let Inst{7} = 1;
+ let Inst{5-4} = 0b00; // rotate
+ }
def r_rot : T2I<(outs GPR:$dst), (ins GPR:$src, i32imm:$rot), IIC_iUNAsi,
opc, ".w\t$dst, $src, ror $rot",
- [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>;
+ [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0100;
+ let Inst{22-20} = opcod;
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15-12} = 0b1111;
+ let Inst{7} = 1;
+ let Inst{5-4} = {?,?}; // rotate
+ }
}
/// T2I_bin_rrot - A binary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
-multiclass T2I_bin_rrot<string opc, PatFrag opnode> {
+multiclass T2I_bin_rrot<bits<3> opcod, string opc, PatFrag opnode> {
def rr : T2I<(outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS), IIC_iALUr,
opc, "\t$dst, $LHS, $RHS",
- [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>;
+ [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0100;
+ let Inst{22-20} = opcod;
+ let Inst{15-12} = 0b1111;
+ let Inst{7} = 1;
+ let Inst{5-4} = 0b00; // rotate
+ }
def rr_rot : T2I<(outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS, i32imm:$rot),
IIC_iALUsr, opc, "\t$dst, $LHS, $RHS, ror $rot",
[(set GPR:$dst, (opnode GPR:$LHS,
- (rotr GPR:$RHS, rot_imm:$rot)))]>;
+ (rotr GPR:$RHS, rot_imm:$rot)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0100;
+ let Inst{22-20} = opcod;
+ let Inst{15-12} = 0b1111;
+ let Inst{7} = 1;
+ let Inst{5-4} = {?,?}; // rotate
+ }
}
//===----------------------------------------------------------------------===//
@@ -442,33 +703,89 @@
// LEApcrel - Load a pc-relative address into a register without offending the
// assembler.
def t2LEApcrel : T2XI<(outs GPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi,
- "adr$p.w\t$dst, #$label", []>;
-
+ "adr$p.w\t$dst, #$label", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25-24} = 0b10;
+ // Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE)
+ let Inst{22} = 0;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
+}
def t2LEApcrelJT : T2XI<(outs GPR:$dst),
(ins i32imm:$label, nohash_imm:$id, pred:$p), IIC_iALUi,
- "adr$p.w\t$dst, #${label}_${id}", []>;
+ "adr$p.w\t$dst, #${label}_${id}", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25-24} = 0b10;
+ // Inst{23:21} = '11' (add = FALSE) or '00' (add = TRUE)
+ let Inst{22} = 0;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
+}
// ADD r, sp, {so_imm|i12}
def t2ADDrSPi : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_imm:$imm),
- IIC_iALUi, "add", ".w\t$dst, $sp, $imm", []>;
+ IIC_iALUi, "add", ".w\t$dst, $sp, $imm", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = 0b1000;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1101; // Rn = sp
+ let Inst{15} = 0;
+}
def t2ADDrSPi12 : T2I<(outs GPR:$dst), (ins GPR:$sp, imm0_4095:$imm),
- IIC_iALUi, "addw", "\t$dst, $sp, $imm", []>;
+ IIC_iALUi, "addw", "\t$dst, $sp, $imm", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-21} = 0b0000;
+ let Inst{20} = 0; // The S bit.
+ let Inst{19-16} = 0b1101; // Rn = sp
+ let Inst{15} = 0;
+}
// ADD r, sp, so_reg
def t2ADDrSPs : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs),
- IIC_iALUsi, "add", ".w\t$dst, $sp, $rhs", []>;
+ IIC_iALUsi, "add", ".w\t$dst, $sp, $rhs", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b1000;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1101; // Rn = sp
+ let Inst{15} = 0;
+}
// SUB r, sp, {so_imm|i12}
def t2SUBrSPi : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_imm:$imm),
- IIC_iALUi, "sub", ".w\t$dst, $sp, $imm", []>;
+ IIC_iALUi, "sub", ".w\t$dst, $sp, $imm", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = 0b1101;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1101; // Rn = sp
+ let Inst{15} = 0;
+}
def t2SUBrSPi12 : T2I<(outs GPR:$dst), (ins GPR:$sp, imm0_4095:$imm),
- IIC_iALUi, "subw", "\t$dst, $sp, $imm", []>;
+ IIC_iALUi, "subw", "\t$dst, $sp, $imm", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-21} = 0b0101;
+ let Inst{20} = 0; // The S bit.
+ let Inst{19-16} = 0b1101; // Rn = sp
+ let Inst{15} = 0;
+}
// SUB r, sp, so_reg
def t2SUBrSPs : T2sI<(outs GPR:$dst), (ins GPR:$sp, t2_so_reg:$rhs),
IIC_iALUsi,
- "sub", "\t$dst, $sp, $rhs", []>;
-
+ "sub", "\t$dst, $sp, $rhs", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b1101;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1101; // Rn = sp
+ let Inst{15} = 0;
+}
// Pseudo instruction that will expand into a t2SUBrSPi + a copy.
let usesCustomInserter = 1 in { // Expanded after instruction selection.
@@ -487,24 +804,26 @@
// Load
let canFoldAsLoad = 1, isReMaterializable = 1, mayHaveSideEffects = 1 in
-defm t2LDR : T2I_ld<"ldr", UnOpFrag<(load node:$Src)>>;
+defm t2LDR : T2I_ld<0, 0b10, "ldr", UnOpFrag<(load node:$Src)>>;
// Loads with zero extension
-defm t2LDRH : T2I_ld<"ldrh", UnOpFrag<(zextloadi16 node:$Src)>>;
-defm t2LDRB : T2I_ld<"ldrb", UnOpFrag<(zextloadi8 node:$Src)>>;
+defm t2LDRH : T2I_ld<0, 0b01, "ldrh", UnOpFrag<(zextloadi16 node:$Src)>>;
+defm t2LDRB : T2I_ld<0, 0b00, "ldrb", UnOpFrag<(zextloadi8 node:$Src)>>;
// Loads with sign extension
-defm t2LDRSH : T2I_ld<"ldrsh", UnOpFrag<(sextloadi16 node:$Src)>>;
-defm t2LDRSB : T2I_ld<"ldrsb", UnOpFrag<(sextloadi8 node:$Src)>>;
+defm t2LDRSH : T2I_ld<1, 0b01, "ldrsh", UnOpFrag<(sextloadi16 node:$Src)>>;
+defm t2LDRSB : T2I_ld<1, 0b00, "ldrsb", UnOpFrag<(sextloadi8 node:$Src)>>;
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in {
// Load doubleword
-def t2LDRDi8 : T2Ii8s4<(outs GPR:$dst1, GPR:$dst2),
+def t2LDRDi8 : T2Ii8s4<1, 0, 1, (outs GPR:$dst1, GPR:$dst2),
(ins t2addrmode_imm8s4:$addr),
IIC_iLoadi, "ldrd", "\t$dst1, $addr", []>;
-def t2LDRDpci : T2Ii8s4<(outs GPR:$dst1, GPR:$dst2),
+def t2LDRDpci : T2Ii8s4<?, ?, 1, (outs GPR:$dst1, GPR:$dst2),
(ins i32imm:$addr), IIC_iLoadi,
- "ldrd", "\t$dst1, $addr", []>;
+ "ldrd", "\t$dst1, $addr", []> {
+ let Inst{19-16} = 0b1111; // Rn
+}
}
// zextload i1 -> zextload i8
@@ -549,57 +868,57 @@
// Indexed loads
let mayLoad = 1 in {
-def t2LDR_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDR_PRE : T2Iidxldst<0, 0b10, 1, 1, (outs GPR:$dst, GPR:$base_wb),
(ins t2addrmode_imm8:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoadiu,
"ldr", "\t$dst, $addr!", "$addr.base = $base_wb",
[]>;
-def t2LDR_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDR_POST : T2Iidxldst<0, 0b10, 1, 0, (outs GPR:$dst, GPR:$base_wb),
(ins GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoadiu,
"ldr", "\t$dst, [$base], $offset", "$base = $base_wb",
[]>;
-def t2LDRB_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRB_PRE : T2Iidxldst<0, 0b00, 1, 1, (outs GPR:$dst, GPR:$base_wb),
(ins t2addrmode_imm8:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoadiu,
"ldrb", "\t$dst, $addr!", "$addr.base = $base_wb",
[]>;
-def t2LDRB_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRB_POST : T2Iidxldst<0, 0b00, 1, 0, (outs GPR:$dst, GPR:$base_wb),
(ins GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoadiu,
"ldrb", "\t$dst, [$base], $offset", "$base = $base_wb",
[]>;
-def t2LDRH_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRH_PRE : T2Iidxldst<0, 0b01, 1, 1, (outs GPR:$dst, GPR:$base_wb),
(ins t2addrmode_imm8:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoadiu,
"ldrh", "\t$dst, $addr!", "$addr.base = $base_wb",
[]>;
-def t2LDRH_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRH_POST : T2Iidxldst<0, 0b01, 1, 0, (outs GPR:$dst, GPR:$base_wb),
(ins GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoadiu,
"ldrh", "\t$dst, [$base], $offset", "$base = $base_wb",
[]>;
-def t2LDRSB_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRSB_PRE : T2Iidxldst<1, 0b00, 1, 1, (outs GPR:$dst, GPR:$base_wb),
(ins t2addrmode_imm8:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoadiu,
"ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb",
[]>;
-def t2LDRSB_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRSB_POST : T2Iidxldst<1, 0b00, 1, 0, (outs GPR:$dst, GPR:$base_wb),
(ins GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoadiu,
"ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb",
[]>;
-def t2LDRSH_PRE : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRSH_PRE : T2Iidxldst<1, 0b01, 1, 1, (outs GPR:$dst, GPR:$base_wb),
(ins t2addrmode_imm8:$addr),
AddrModeT2_i8, IndexModePre, IIC_iLoadiu,
"ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb",
[]>;
-def t2LDRSH_POST : T2Iidxldst<(outs GPR:$dst, GPR:$base_wb),
+def t2LDRSH_POST : T2Iidxldst<1, 0b01, 1, 0, (outs GPR:$dst, GPR:$base_wb),
(ins GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iLoadiu,
"ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb",
@@ -607,53 +926,53 @@
}
// Store
-defm t2STR : T2I_st<"str", BinOpFrag<(store node:$LHS, node:$RHS)>>;
-defm t2STRB : T2I_st<"strb", BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
-defm t2STRH : T2I_st<"strh", BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>;
+defm t2STR : T2I_st<0b10, "str", BinOpFrag<(store node:$LHS, node:$RHS)>>;
+defm t2STRB : T2I_st<0b00, "strb", BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
+defm t2STRH : T2I_st<0b01, "strh", BinOpFrag<(truncstorei16 node:$LHS, node:$RHS)>>;
// Store doubleword
let mayLoad = 1, hasExtraSrcRegAllocReq = 1 in
-def t2STRDi8 : T2Ii8s4<(outs),
+def t2STRDi8 : T2Ii8s4<1, 0, 0, (outs),
(ins GPR:$src1, GPR:$src2, t2addrmode_imm8s4:$addr),
IIC_iStorer, "strd", "\t$src1, $addr", []>;
// Indexed stores
-def t2STR_PRE : T2Iidxldst<(outs GPR:$base_wb),
+def t2STR_PRE : T2Iidxldst<0, 0b10, 0, 1, (outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePre, IIC_iStoreiu,
"str", "\t$src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_store GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
-def t2STR_POST : T2Iidxldst<(outs GPR:$base_wb),
+def t2STR_POST : T2Iidxldst<0, 0b10, 0, 0, (outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iStoreiu,
"str", "\t$src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb,
(post_store GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
-def t2STRH_PRE : T2Iidxldst<(outs GPR:$base_wb),
+def t2STRH_PRE : T2Iidxldst<0, 0b01, 0, 1, (outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePre, IIC_iStoreiu,
"strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_truncsti16 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
-def t2STRH_POST : T2Iidxldst<(outs GPR:$base_wb),
+def t2STRH_POST : T2Iidxldst<0, 0b01, 0, 0, (outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iStoreiu,
"strh", "\t$src, [$base], $offset", "$base = $base_wb",
[(set GPR:$base_wb,
(post_truncsti16 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
-def t2STRB_PRE : T2Iidxldst<(outs GPR:$base_wb),
+def t2STRB_PRE : T2Iidxldst<0, 0b00, 0, 1, (outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePre, IIC_iStoreiu,
"strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
[(set GPR:$base_wb,
(pre_truncsti8 GPR:$src, GPR:$base, t2am_imm8_offset:$offset))]>;
-def t2STRB_POST : T2Iidxldst<(outs GPR:$base_wb),
+def t2STRB_POST : T2Iidxldst<0, 0b00, 0, 0, (outs GPR:$base_wb),
(ins GPR:$src, GPR:$base, t2am_imm8_offset:$offset),
AddrModeT2_i8, IndexModePost, IIC_iStoreiu,
"strb", "\t$src, [$base], $offset", "$base = $base_wb",
@@ -670,12 +989,26 @@
let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
def t2LDM : T2XI<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
- IIC_iLoadm, "ldm${addr:submode}${p}${addr:wide}\t$addr, $wb", []>;
+ IIC_iLoadm, "ldm${addr:submode}${p}${addr:wide}\t$addr, $wb", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
+ let Inst{22} = 0;
+ let Inst{21} = ?; // The W bit.
+ let Inst{20} = 1; // Load
+}
let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
def t2STM : T2XI<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
- IIC_iStorem, "stm${addr:submode}${p}${addr:wide}\t$addr, $wb", []>;
+ IIC_iStorem, "stm${addr:submode}${p}${addr:wide}\t$addr, $wb", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
+ let Inst{22} = 0;
+ let Inst{21} = ?; // The W bit.
+ let Inst{20} = 0; // Store
+}
//===----------------------------------------------------------------------===//
// Move Instructions.
@@ -683,24 +1016,51 @@
let neverHasSideEffects = 1 in
def t2MOVr : T2sI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVr,
- "mov", ".w\t$dst, $src", []>;
+ "mov", ".w\t$dst, $src", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{14-12} = 0b000;
+ let Inst{7-4} = 0b0000;
+}
// AddedComplexity to ensure isel tries t2MOVi before t2MOVi16.
let isReMaterializable = 1, isAsCheapAsAMove = 1, AddedComplexity = 1 in
def t2MOVi : T2sI<(outs GPR:$dst), (ins t2_so_imm:$src), IIC_iMOVi,
"mov", ".w\t$dst, $src",
- [(set GPR:$dst, t2_so_imm:$src)]>;
+ [(set GPR:$dst, t2_so_imm:$src)]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
+}
let isReMaterializable = 1, isAsCheapAsAMove = 1 in
def t2MOVi16 : T2I<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVi,
"movw", "\t$dst, $src",
- [(set GPR:$dst, imm0_65535:$src)]>;
+ [(set GPR:$dst, imm0_65535:$src)]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = 0; // The S bit.
+ let Inst{15} = 0;
+}
let Constraints = "$src = $dst" in
def t2MOVTi16 : T2I<(outs GPR:$dst), (ins GPR:$src, i32imm:$imm), IIC_iMOVi,
"movt", "\t$dst, $imm",
[(set GPR:$dst,
- (or (and GPR:$src, 0xffff), lo16AllZero:$imm))]>;
+ (or (and GPR:$src, 0xffff), lo16AllZero:$imm))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-21} = 0b0110;
+ let Inst{20} = 0; // The S bit.
+ let Inst{15} = 0;
+}
def : T2Pat<(or GPR:$src, 0xffff0000), (t2MOVTi16 GPR:$src, 0xffff)>;
@@ -710,12 +1070,14 @@
// Sign extenders
-defm t2SXTB : T2I_unary_rrot<"sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
-defm t2SXTH : T2I_unary_rrot<"sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
+defm t2SXTB : T2I_unary_rrot<0b100, "sxtb",
+ UnOpFrag<(sext_inreg node:$Src, i8)>>;
+defm t2SXTH : T2I_unary_rrot<0b000, "sxth",
+ UnOpFrag<(sext_inreg node:$Src, i16)>>;
-defm t2SXTAB : T2I_bin_rrot<"sxtab",
+defm t2SXTAB : T2I_bin_rrot<0b100, "sxtab",
BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
-defm t2SXTAH : T2I_bin_rrot<"sxtah",
+defm t2SXTAH : T2I_bin_rrot<0b000, "sxtah",
BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
// TODO: SXT(A){B|H}16
@@ -723,18 +1085,21 @@
// Zero extenders
let AddedComplexity = 16 in {
-defm t2UXTB : T2I_unary_rrot<"uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
-defm t2UXTH : T2I_unary_rrot<"uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
-defm t2UXTB16 : T2I_unary_rrot<"uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
+defm t2UXTB : T2I_unary_rrot<0b101, "uxtb",
+ UnOpFrag<(and node:$Src, 0x000000FF)>>;
+defm t2UXTH : T2I_unary_rrot<0b001, "uxth",
+ UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
+defm t2UXTB16 : T2I_unary_rrot<0b011, "uxtb16",
+ UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
def : T2Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
(t2UXTB16r_rot GPR:$Src, 24)>;
def : T2Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
(t2UXTB16r_rot GPR:$Src, 8)>;
-defm t2UXTAB : T2I_bin_rrot<"uxtab",
+defm t2UXTAB : T2I_bin_rrot<0b101, "uxtab",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
-defm t2UXTAH : T2I_bin_rrot<"uxtah",
+defm t2UXTAH : T2I_bin_rrot<0b001, "uxtah",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
}
@@ -742,19 +1107,27 @@
// Arithmetic Instructions.
//
-defm t2ADD : T2I_bin_ii12rs<"add", BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
-defm t2SUB : T2I_bin_ii12rs<"sub", BinOpFrag<(sub node:$LHS, node:$RHS)>>;
+defm t2ADD : T2I_bin_ii12rs<0b000, "add",
+ BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
+defm t2SUB : T2I_bin_ii12rs<0b101, "sub",
+ BinOpFrag<(sub node:$LHS, node:$RHS)>>;
// ADD and SUB with 's' bit set. No 12-bit immediate (T4) variants.
-defm t2ADDS : T2I_bin_s_irs <"add", BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
-defm t2SUBS : T2I_bin_s_irs <"sub", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
-
-defm t2ADC : T2I_adde_sube_irs<"adc",BinOpFrag<(adde node:$LHS, node:$RHS)>,1>;
-defm t2SBC : T2I_adde_sube_irs<"sbc",BinOpFrag<(sube node:$LHS, node:$RHS)>>;
+defm t2ADDS : T2I_bin_s_irs <0b1000, "add",
+ BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
+defm t2SUBS : T2I_bin_s_irs <0b1101, "sub",
+ BinOpFrag<(subc node:$LHS, node:$RHS)>>;
+
+defm t2ADC : T2I_adde_sube_irs<0b1010, "adc",
+ BinOpFrag<(adde node:$LHS, node:$RHS)>, 1>;
+defm t2SBC : T2I_adde_sube_irs<0b1011, "sbc",
+ BinOpFrag<(sube node:$LHS, node:$RHS)>>;
// RSB
-defm t2RSB : T2I_rbin_is <"rsb", BinOpFrag<(sub node:$LHS, node:$RHS)>>;
-defm t2RSBS : T2I_rbin_s_is <"rsb", BinOpFrag<(subc node:$LHS, node:$RHS)>>;
+defm t2RSB : T2I_rbin_is <0b1110, "rsb",
+ BinOpFrag<(sub node:$LHS, node:$RHS)>>;
+defm t2RSBS : T2I_rbin_s_is <0b1110, "rsb",
+ BinOpFrag<(subc node:$LHS, node:$RHS)>>;
// (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
let AddedComplexity = 1 in
@@ -770,54 +1143,103 @@
// Shift and rotate Instructions.
//
-defm t2LSL : T2I_sh_ir<"lsl", BinOpFrag<(shl node:$LHS, node:$RHS)>>;
-defm t2LSR : T2I_sh_ir<"lsr", BinOpFrag<(srl node:$LHS, node:$RHS)>>;
-defm t2ASR : T2I_sh_ir<"asr", BinOpFrag<(sra node:$LHS, node:$RHS)>>;
-defm t2ROR : T2I_sh_ir<"ror", BinOpFrag<(rotr node:$LHS, node:$RHS)>>;
+defm t2LSL : T2I_sh_ir<0b00, "lsl", BinOpFrag<(shl node:$LHS, node:$RHS)>>;
+defm t2LSR : T2I_sh_ir<0b01, "lsr", BinOpFrag<(srl node:$LHS, node:$RHS)>>;
+defm t2ASR : T2I_sh_ir<0b10, "asr", BinOpFrag<(sra node:$LHS, node:$RHS)>>;
+defm t2ROR : T2I_sh_ir<0b11, "ror", BinOpFrag<(rotr node:$LHS, node:$RHS)>>;
let Uses = [CPSR] in {
def t2MOVrx : T2sI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
"rrx", "\t$dst, $src",
- [(set GPR:$dst, (ARMrrx GPR:$src))]>;
+ [(set GPR:$dst, (ARMrrx GPR:$src))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = ?; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{14-12} = 0b000;
+ let Inst{7-4} = 0b0011;
+}
}
let Defs = [CPSR] in {
def t2MOVsrl_flag : T2XI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
"lsrs.w\t$dst, $src, #1",
- [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>;
+ [(set GPR:$dst, (ARMsrl_flag GPR:$src))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = 1; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{5-4} = 0b01; // Shift type.
+ // Shift amount = Inst{14-12:7-6} = 1.
+ let Inst{14-12} = 0b000;
+ let Inst{7-6} = 0b01;
+}
def t2MOVsra_flag : T2XI<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
"asrs.w\t$dst, $src, #1",
- [(set GPR:$dst, (ARMsra_flag GPR:$src))]>;
+ [(set GPR:$dst, (ARMsra_flag GPR:$src))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = 1; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{5-4} = 0b10; // Shift type.
+ // Shift amount = Inst{14-12:7-6} = 1.
+ let Inst{14-12} = 0b000;
+ let Inst{7-6} = 0b01;
+}
}
//===----------------------------------------------------------------------===//
// Bitwise Instructions.
//
-defm t2AND : T2I_bin_w_irs<"and", BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
-defm t2ORR : T2I_bin_w_irs<"orr", BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
-defm t2EOR : T2I_bin_w_irs<"eor", BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
+defm t2AND : T2I_bin_w_irs<0b0000, "and",
+ BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
+defm t2ORR : T2I_bin_w_irs<0b0010, "orr",
+ BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
+defm t2EOR : T2I_bin_w_irs<0b0100, "eor",
+ BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
-defm t2BIC : T2I_bin_w_irs<"bic", BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
+defm t2BIC : T2I_bin_w_irs<0b0001, "bic",
+ BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
let Constraints = "$src = $dst" in
def t2BFC : T2I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
IIC_iUNAsi, "bfc", "\t$dst, $imm",
- [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>;
+ [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-20} = 0b10110;
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
+}
def t2SBFX : T2I<(outs GPR:$dst), (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
- IIC_iALUi, "sbfx", "\t$dst, $src, $lsb, $width", []>;
+ IIC_iALUi, "sbfx", "\t$dst, $src, $lsb, $width", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-20} = 0b10100;
+ let Inst{15} = 0;
+}
def t2UBFX : T2I<(outs GPR:$dst), (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
- IIC_iALUi, "ubfx", "\t$dst, $src, $lsb, $width", []>;
+ IIC_iALUi, "ubfx", "\t$dst, $src, $lsb, $width", []> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 1;
+ let Inst{24-20} = 0b11100;
+ let Inst{15} = 0;
+}
// FIXME: A8.6.18 BFI - Bitfield insert (Encoding T1)
-defm t2ORN : T2I_bin_irs<"orn", BinOpFrag<(or node:$LHS, (not node:$RHS))>>;
+defm t2ORN : T2I_bin_irs<0b0011, "orn", BinOpFrag<(or node:$LHS,
+ (not node:$RHS))>>;
// Prefer over of t2EORri ra, rb, -1 because mvn has 16-bit version
let AddedComplexity = 1 in
-defm t2MVN : T2I_un_irs <"mvn", UnOpFrag<(not node:$Src)>, 1, 1>;
+defm t2MVN : T2I_un_irs <0b0011, "mvn", UnOpFrag<(not node:$Src)>, 1, 1>;
def : T2Pat<(and GPR:$src, t2_so_imm_not:$imm),
@@ -837,81 +1259,184 @@
let isCommutable = 1 in
def t2MUL: T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32,
"mul", "\t$dst, $a, $b",
- [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
+ [(set GPR:$dst, (mul GPR:$a, GPR:$b))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b000;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-4} = 0b0000; // Multiply
+}
def t2MLA: T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32,
"mla", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
+ [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b000;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-4} = 0b0000; // Multiply
+}
def t2MLS: T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32,
"mls", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>;
+ [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b000;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-4} = 0b0001; // Multiply and Subtract
+}
// Extra precision multiplies with low / high results
let neverHasSideEffects = 1 in {
let isCommutable = 1 in {
def t2SMULL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMUL64,
- "smull", "\t$ldst, $hdst, $a, $b", []>;
+ "smull", "\t$ldst, $hdst, $a, $b", []> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0111;
+ let Inst{22-20} = 0b000;
+ let Inst{7-4} = 0b0000;
+}
def t2UMULL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMUL64,
- "umull", "\t$ldst, $hdst, $a, $b", []>;
+ "umull", "\t$ldst, $hdst, $a, $b", []> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0111;
+ let Inst{22-20} = 0b010;
+ let Inst{7-4} = 0b0000;
}
+} // isCommutable
// Multiply + accumulate
def t2SMLAL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMAC64,
- "smlal", "\t$ldst, $hdst, $a, $b", []>;
+ "smlal", "\t$ldst, $hdst, $a, $b", []>{
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0111;
+ let Inst{22-20} = 0b100;
+ let Inst{7-4} = 0b0000;
+}
def t2UMLAL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMAC64,
- "umlal", "\t$ldst, $hdst, $a, $b", []>;
+ "umlal", "\t$ldst, $hdst, $a, $b", []>{
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0111;
+ let Inst{22-20} = 0b110;
+ let Inst{7-4} = 0b0000;
+}
def t2UMAAL : T2I<(outs GPR:$ldst, GPR:$hdst), (ins GPR:$a, GPR:$b), IIC_iMAC64,
- "umaal", "\t$ldst, $hdst, $a, $b", []>;
+ "umaal", "\t$ldst, $hdst, $a, $b", []>{
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0111;
+ let Inst{22-20} = 0b110;
+ let Inst{7-4} = 0b0110;
+}
} // neverHasSideEffects
// Most significant word multiply
def t2SMMUL : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32,
"smmul", "\t$dst, $a, $b",
- [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>;
+ [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b101;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0)
+}
def t2SMMLA : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32,
"smmla", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>;
+ [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b101;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0)
+}
def t2SMMLS : T2I <(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c), IIC_iMAC32,
"smmls", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>;
+ [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b110;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-4} = 0b0000; // No Rounding (Inst{4} = 0)
+}
multiclass T2I_smul<string opc, PatFrag opnode> {
def BB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32,
!strconcat(opc, "bb"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
- (sext_inreg GPR:$b, i16)))]>;
+ (sext_inreg GPR:$b, i16)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b00;
+ }
def BT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32,
!strconcat(opc, "bt"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
- (sra GPR:$b, (i32 16))))]>;
+ (sra GPR:$b, (i32 16))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b01;
+ }
def TB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32,
!strconcat(opc, "tb"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
- (sext_inreg GPR:$b, i16)))]>;
+ (sext_inreg GPR:$b, i16)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b10;
+ }
def TT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL32,
!strconcat(opc, "tt"), "\t$dst, $a, $b",
[(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
- (sra GPR:$b, (i32 16))))]>;
+ (sra GPR:$b, (i32 16))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b11;
+ }
def WB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL16,
!strconcat(opc, "wb"), "\t$dst, $a, $b",
[(set GPR:$dst, (sra (opnode GPR:$a,
- (sext_inreg GPR:$b, i16)), (i32 16)))]>;
+ (sext_inreg GPR:$b, i16)), (i32 16)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b011;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b00;
+ }
def WT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b), IIC_iMUL16,
!strconcat(opc, "wt"), "\t$dst, $a, $b",
[(set GPR:$dst, (sra (opnode GPR:$a,
- (sra GPR:$b, (i32 16))), (i32 16)))]>;
+ (sra GPR:$b, (i32 16))), (i32 16)))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b011;
+ let Inst{15-12} = 0b1111; // Ra = 0b1111 (no accumulate)
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b01;
+ }
}
@@ -920,32 +1445,74 @@
!strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc,
(opnode (sext_inreg GPR:$a, i16),
- (sext_inreg GPR:$b, i16))))]>;
+ (sext_inreg GPR:$b, i16))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b00;
+ }
def BT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16,
!strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
- (sra GPR:$b, (i32 16)))))]>;
+ (sra GPR:$b, (i32 16)))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b01;
+ }
def TB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16,
!strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
- (sext_inreg GPR:$b, i16))))]>;
+ (sext_inreg GPR:$b, i16))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b10;
+ }
def TT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16,
!strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
- (sra GPR:$b, (i32 16)))))]>;
+ (sra GPR:$b, (i32 16)))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b001;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b11;
+ }
def WB : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16,
!strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
- (sext_inreg GPR:$b, i16)), (i32 16))))]>;
+ (sext_inreg GPR:$b, i16)), (i32 16))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b011;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b00;
+ }
def WT : T2I<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc), IIC_iMAC16,
!strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
[(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
- (sra GPR:$b, (i32 16))), (i32 16))))]>;
+ (sra GPR:$b, (i32 16))), (i32 16))))]> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-23} = 0b0110;
+ let Inst{22-20} = 0b011;
+ let Inst{15-12} = {?, ?, ?, ?}; // Ra
+ let Inst{7-6} = 0b00;
+ let Inst{5-4} = 0b01;
+ }
}
defm t2SMUL : T2I_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
@@ -959,24 +1526,33 @@
// Misc. Arithmetic Instructions.
//
-def t2CLZ : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "clz", "\t$dst, $src",
- [(set GPR:$dst, (ctlz GPR:$src))]>;
-
-def t2REV : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "rev", ".w\t$dst, $src",
- [(set GPR:$dst, (bswap GPR:$src))]>;
+class T2I_misc<bits<2> op1, bits<2> op2, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ let Inst{31-27} = 0b11111;
+ let Inst{26-22} = 0b01010;
+ let Inst{21-20} = op1;
+ let Inst{15-12} = 0b1111;
+ let Inst{7-6} = 0b10;
+ let Inst{5-4} = op2;
+}
+
+def t2CLZ : T2I_misc<0b11, 0b00, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
+ "clz", "\t$dst, $src", [(set GPR:$dst, (ctlz GPR:$src))]>;
-def t2REV16 : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "rev16", ".w\t$dst, $src",
+def t2REV : T2I_misc<0b01, 0b00, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
+ "rev", ".w\t$dst, $src", [(set GPR:$dst, (bswap GPR:$src))]>;
+
+def t2REV16 : T2I_misc<0b01, 0b01, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
+ "rev16", ".w\t$dst, $src",
[(set GPR:$dst,
(or (and (srl GPR:$src, (i32 8)), 0xFF),
(or (and (shl GPR:$src, (i32 8)), 0xFF00),
(or (and (srl GPR:$src, (i32 8)), 0xFF0000),
(and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>;
-def t2REVSH : T2I<(outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "revsh", ".w\t$dst, $src",
+def t2REVSH : T2I_misc<0b01, 0b11, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
+ "revsh", ".w\t$dst, $src",
[(set GPR:$dst,
(sext_inreg
(or (srl (and GPR:$src, 0xFF00), (i32 8)),
@@ -986,7 +1562,13 @@
IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, LSL $shamt",
[(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
(and (shl GPR:$src2, (i32 imm:$shamt)),
- 0xFFFF0000)))]>;
+ 0xFFFF0000)))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-20} = 0b01100;
+ let Inst{5} = 0; // BT form
+ let Inst{4} = 0;
+}
// Alternate cases for PKHBT where identities eliminate some nodes.
def : T2Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
@@ -998,7 +1580,13 @@
IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, ASR $shamt",
[(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
(and (sra GPR:$src2, imm16_31:$shamt),
- 0xFFFF)))]>;
+ 0xFFFF)))]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-20} = 0b01100;
+ let Inst{5} = 1; // TB form
+ let Inst{4} = 0;
+}
// Alternate cases for PKHTB where identities eliminate some nodes. Note that
// a shift amount of 0 is *not legal* here, it is PKHBT instead.
@@ -1012,15 +1600,15 @@
// Comparison Instructions...
//
-defm t2CMP : T2I_cmp_is<"cmp",
- BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
-defm t2CMPz : T2I_cmp_is<"cmp",
- BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
-
-defm t2CMN : T2I_cmp_is<"cmn",
- BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
-defm t2CMNz : T2I_cmp_is<"cmn",
- BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
+defm t2CMP : T2I_cmp_irs<0b1101, "cmp",
+ BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
+defm t2CMPz : T2I_cmp_irs<0b1101, "cmp",
+ BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
+
+defm t2CMN : T2I_cmp_irs<0b1000, "cmn",
+ BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
+defm t2CMNz : T2I_cmp_irs<0b1000, "cmn",
+ BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
def : T2Pat<(ARMcmp GPR:$src, t2_so_imm_neg:$imm),
(t2CMNri GPR:$src, t2_so_imm_neg:$imm)>;
@@ -1028,10 +1616,10 @@
def : T2Pat<(ARMcmpZ GPR:$src, t2_so_imm_neg:$imm),
(t2CMNri GPR:$src, t2_so_imm_neg:$imm)>;
-defm t2TST : T2I_cmp_is<"tst",
- BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>>;
-defm t2TEQ : T2I_cmp_is<"teq",
- BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>>;
+defm t2TST : T2I_cmp_irs<0b0000, "tst",
+ BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>>;
+defm t2TEQ : T2I_cmp_irs<0b0100, "teq",
+ BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>>;
// A8.6.27 CBNZ, CBZ - Compare and branch on (non)zero.
// Short range conditional branch. Looks awesome for loops. Need to figure
@@ -1044,25 +1632,54 @@
def t2MOVCCr : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true), IIC_iCMOVr,
"mov", ".w\t$dst, $true",
[/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst">;
+ RegConstraint<"$false = $dst"> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = 0; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{14-12} = 0b000;
+ let Inst{7-4} = 0b0000;
+}
def t2MOVCCi : T2I<(outs GPR:$dst), (ins GPR:$false, t2_so_imm:$true),
IIC_iCMOVi, "mov", ".w\t$dst, $true",
[/*(set GPR:$dst, (ARMcmov GPR:$false, t2_so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst">;
-
-def t2MOVCClsl : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "lsl", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
-def t2MOVCClsr : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "lsr", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
-def t2MOVCCasr : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "asr", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
-def t2MOVCCror : T2I<(outs GPR:$dst), (ins GPR:$false, GPR:$true, i32imm:$rhs),
- IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>,
- RegConstraint<"$false = $dst">;
+ RegConstraint<"$false = $dst"> {
+ let Inst{31-27} = 0b11110;
+ let Inst{25} = 0;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = 0; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{15} = 0;
+}
+
+class T2I_movcc_sh<bits<2> opcod, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : T2I<oops, iops, itin, opc, asm, pattern> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b01;
+ let Inst{24-21} = 0b0010;
+ let Inst{20} = 0; // The S bit.
+ let Inst{19-16} = 0b1111; // Rn
+ let Inst{5-4} = opcod; // Shift type.
+}
+def t2MOVCClsl : T2I_movcc_sh<0b00, (outs GPR:$dst),
+ (ins GPR:$false, GPR:$true, i32imm:$rhs),
+ IIC_iCMOVsi, "lsl", ".w\t$dst, $true, $rhs", []>,
+ RegConstraint<"$false = $dst">;
+def t2MOVCClsr : T2I_movcc_sh<0b01, (outs GPR:$dst),
+ (ins GPR:$false, GPR:$true, i32imm:$rhs),
+ IIC_iCMOVsi, "lsr", ".w\t$dst, $true, $rhs", []>,
+ RegConstraint<"$false = $dst">;
+def t2MOVCCasr : T2I_movcc_sh<0b10, (outs GPR:$dst),
+ (ins GPR:$false, GPR:$true, i32imm:$rhs),
+ IIC_iCMOVsi, "asr", ".w\t$dst, $true, $rhs", []>,
+ RegConstraint<"$false = $dst">;
+def t2MOVCCror : T2I_movcc_sh<0b11, (outs GPR:$dst),
+ (ins GPR:$false, GPR:$true, i32imm:$rhs),
+ IIC_iCMOVsi, "ror", ".w\t$dst, $true, $rhs", []>,
+ RegConstraint<"$false = $dst">;
//===----------------------------------------------------------------------===//
// Atomic operations intrinsics
@@ -1075,7 +1692,9 @@
"dmb", "",
[(ARMMemBarrierV7)]>,
Requires<[IsThumb2]> {
+ let Inst{31-4} = 0xF3BF8F5;
// FIXME: add support for options other than a full system DMB
+ let Inst{3-0} = 0b1111;
}
def t2Int_SyncBarrierV7 : AInoP<(outs), (ins),
@@ -1083,47 +1702,76 @@
"dsb", "",
[(ARMSyncBarrierV7)]>,
Requires<[IsThumb2]> {
+ let Inst{31-4} = 0xF3BF8F4;
// FIXME: add support for options other than a full system DSB
+ let Inst{3-0} = 0b1111;
+}
}
+
+class T2I_ldrex<bits<2> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz,
+ InstrItinClass itin, string opc, string asm, string cstr,
+ list<dag> pattern, bits<4> rt2 = 0b1111>
+ : Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001101;
+ let Inst{11-8} = rt2;
+ let Inst{7-6} = 0b01;
+ let Inst{5-4} = opcod;
+ let Inst{3-0} = 0b1111;
+}
+class T2I_strex<bits<2> opcod, dag oops, dag iops, AddrMode am, SizeFlagVal sz,
+ InstrItinClass itin, string opc, string asm, string cstr,
+ list<dag> pattern, bits<4> rt2 = 0b1111>
+ : Thumb2I<oops, iops, am, sz, itin, opc, asm, cstr, pattern> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001100;
+ let Inst{11-8} = rt2;
+ let Inst{7-6} = 0b01;
+ let Inst{5-4} = opcod;
}
let mayLoad = 1 in {
-def t2LDREXB : Thumb2I<(outs GPR:$dest), (ins GPR:$ptr), AddrModeNone,
- Size4Bytes, NoItinerary,
- "ldrexb", "\t$dest, [$ptr]", "",
- []>;
-def t2LDREXH : Thumb2I<(outs GPR:$dest), (ins GPR:$ptr), AddrModeNone,
- Size4Bytes, NoItinerary,
- "ldrexh", "\t$dest, [$ptr]", "",
- []>;
+def t2LDREXB : T2I_ldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), AddrModeNone,
+ Size4Bytes, NoItinerary, "ldrexb", "\t$dest, [$ptr]",
+ "", []>;
+def t2LDREXH : T2I_ldrex<0b01, (outs GPR:$dest), (ins GPR:$ptr), AddrModeNone,
+ Size4Bytes, NoItinerary, "ldrexh", "\t$dest, [$ptr]",
+ "", []>;
def t2LDREX : Thumb2I<(outs GPR:$dest), (ins GPR:$ptr), AddrModeNone,
- Size4Bytes, NoItinerary,
- "ldrex", "\t$dest, [$ptr]", "",
- []>;
-def t2LDREXD : Thumb2I<(outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
- AddrModeNone, Size4Bytes, NoItinerary,
- "ldrexd", "\t$dest, $dest2, [$ptr]", "",
- []>;
+ Size4Bytes, NoItinerary,
+ "ldrex", "\t$dest, [$ptr]", "",
+ []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0000101;
+ let Inst{11-8} = 0b1111;
+ let Inst{7-0} = 0b00000000; // imm8 = 0
+}
+def t2LDREXD : T2I_ldrex<0b11, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
+ AddrModeNone, Size4Bytes, NoItinerary,
+ "ldrexd", "\t$dest, $dest2, [$ptr]", "",
+ [], {?, ?, ?, ?}>;
}
let mayStore = 1 in {
-def t2STREXB : Thumb2I<(outs GPR:$success), (ins GPR:$src, GPR:$ptr),
- AddrModeNone, Size4Bytes, NoItinerary,
- "strexb", "\t$success, $src, [$ptr]", "",
- []>;
-def t2STREXH : Thumb2I<(outs GPR:$success), (ins GPR:$src, GPR:$ptr),
- AddrModeNone, Size4Bytes, NoItinerary,
- "strexh", "\t$success, $src, [$ptr]", "",
- []>;
+def t2STREXB : T2I_strex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
+ AddrModeNone, Size4Bytes, NoItinerary,
+ "strexb", "\t$success, $src, [$ptr]", "", []>;
+def t2STREXH : T2I_strex<0b01, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
+ AddrModeNone, Size4Bytes, NoItinerary,
+ "strexh", "\t$success, $src, [$ptr]", "", []>;
def t2STREX : Thumb2I<(outs GPR:$success), (ins GPR:$src, GPR:$ptr),
- AddrModeNone, Size4Bytes, NoItinerary,
- "strex", "\t$success, $src, [$ptr]", "",
- []>;
-def t2STREXD : Thumb2I<(outs GPR:$success),
- (ins GPR:$src, GPR:$src2, GPR:$ptr),
- AddrModeNone, Size4Bytes, NoItinerary,
- "strexd", "\t$success, $src, $src2, [$ptr]", "",
- []>;
+ AddrModeNone, Size4Bytes, NoItinerary,
+ "strex", "\t$success, $src, [$ptr]", "",
+ []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0000100;
+ let Inst{7-0} = 0b00000000; // imm8 = 0
+}
+def t2STREXD : T2I_strex<0b11, (outs GPR:$success),
+ (ins GPR:$src, GPR:$src2, GPR:$ptr),
+ AddrModeNone, Size4Bytes, NoItinerary,
+ "strexd", "\t$success, $src, $src2, [$ptr]", "", [],
+ {?, ?, ?, ?}>;
}
//===----------------------------------------------------------------------===//
@@ -1135,7 +1783,11 @@
Defs = [R0, R12, LR, CPSR] in {
def t2TPsoft : T2XI<(outs), (ins), IIC_Br,
"bl\t__aeabi_read_tp",
- [(set R0, ARMthread_pointer)]>;
+ [(set R0, ARMthread_pointer)]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{15-14} = 0b11;
+ let Inst{12} = 1;
+ }
}
//===----------------------------------------------------------------------===//
@@ -1183,31 +1835,61 @@
def t2LDM_RET : T2XI<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$wb, variable_ops),
IIC_Br, "ldm${addr:submode}${p}${addr:wide}\t$addr, $wb",
- []>;
+ []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-25} = 0b00;
+ let Inst{24-23} = {?, ?}; // IA: '01', DB: '10'
+ let Inst{22} = 0;
+ let Inst{21} = ?; // The W bit.
+ let Inst{20} = 1; // Load
+}
let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
let isPredicable = 1 in
def t2B : T2XI<(outs), (ins brtarget:$target), IIC_Br,
"b.w\t$target",
- [(br bb:$target)]>;
+ [(br bb:$target)]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{15-14} = 0b10;
+ let Inst{12} = 1;
+}
let isNotDuplicable = 1, isIndirectBranch = 1 in {
def t2BR_JT :
T2JTI<(outs),
(ins GPR:$target, GPR:$index, jt2block_operand:$jt, i32imm:$id),
IIC_Br, "mov\tpc, $target\n$jt",
- [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]>;
+ [(ARMbr2jt GPR:$target, GPR:$index, tjumptable:$jt, imm:$id)]> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0100100;
+ let Inst{19-16} = 0b1111;
+ let Inst{14-12} = 0b000;
+ let Inst{11-8} = 0b1111; // Rd = pc
+ let Inst{7-4} = 0b0000;
+}
// FIXME: Add a non-pc based case that can be predicated.
def t2TBB :
T2JTI<(outs),
(ins tb_addrmode:$index, jt2block_operand:$jt, i32imm:$id),
- IIC_Br, "tbb\t$index\n$jt", []>;
+ IIC_Br, "tbb\t$index\n$jt", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001101;
+ let Inst{19-16} = 0b1111; // Rn = pc (table follows this instruction)
+ let Inst{15-8} = 0b11110000;
+ let Inst{7-4} = 0b0000; // B form
+}
def t2TBH :
T2JTI<(outs),
(ins tb_addrmode:$index, jt2block_operand:$jt, i32imm:$id),
- IIC_Br, "tbh\t$index\n$jt", []>;
+ IIC_Br, "tbh\t$index\n$jt", []> {
+ let Inst{31-27} = 0b11101;
+ let Inst{26-20} = 0b0001101;
+ let Inst{19-16} = 0b1111; // Rn = pc (table follows this instruction)
+ let Inst{15-8} = 0b11110000;
+ let Inst{7-4} = 0b0001; // H form
+}
} // isNotDuplicable, isIndirectBranch
} // isBranch, isTerminator, isBarrier
@@ -1217,13 +1899,20 @@
let isBranch = 1, isTerminator = 1 in
def t2Bcc : T2I<(outs), (ins brtarget:$target), IIC_Br,
"b", ".w\t$target",
- [/*(ARMbrcond bb:$target, imm:$cc)*/]>;
+ [/*(ARMbrcond bb:$target, imm:$cc)*/]> {
+ let Inst{31-27} = 0b11110;
+ let Inst{15-14} = 0b10;
+ let Inst{12} = 0;
+}
// IT block
def t2IT : Thumb2XI<(outs), (ins it_pred:$cc, it_mask:$mask),
AddrModeNone, Size2Bytes, IIC_iALUx,
- "it$mask\t$cc", "", []>;
+ "it$mask\t$cc", "", []> {
+ // 16-bit instruction.
+ let Inst{15-8} = 0b10111111;
+}
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
More information about the llvm-commits
mailing list