def FrmFI : Format<5>;
def FrmOther : Format<6>; // Instruction w/ a custom format
+class MMRel;
+
+def Std2MicroMips : InstrMapping {
+ let FilterClass = "MMRel";
+ // Instructions with the same BaseOpcode and isNVStore values form a row.
+ let RowFields = ["BaseOpcode"];
+ // Instructions with the same predicate sense form a column.
+ let ColFields = ["Arch"];
+ // The key column is the unpredicated instructions.
+ let KeyCol = ["se"];
+ // Value columns are PredSense=true and PredSense=false
+ let ValueCols = [["se"], ["micromips"]];
+}
+
+class StdArch {
+ string Arch = "se";
+}
+
// Generic Mips Format
class MipsInst<dag outs, dag ins, string asmstr, list<dag> pattern,
InstrItinClass itin, Format f>: Instruction
// Mips32/64 Instruction Format
class InstSE<dag outs, dag ins, string asmstr, list<dag> pattern,
- InstrItinClass itin, Format f>:
+ InstrItinClass itin, Format f, string opstr = ""> :
MipsInst<outs, ins, asmstr, pattern, itin, f> {
let Predicates = [HasStdEnc];
+ string BaseOpcode = opstr;
+ string Arch;
}
// Mips Pseudo Instructions Format
// Format J instruction class in Mips : <|opcode|address|>
//===----------------------------------------------------------------------===//
-class FJ<bits<6> op>
+class FJ<bits<6> op> : StdArch
{
bits<26> target;
let Inst{25-0} = target;
}
- //===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
// MFC instruction class in Mips : <|op|mf|rt|rd|0000000|sel|>
//===----------------------------------------------------------------------===//
-class MFC3OP<bits<6> op, bits<5> _mfmt, dag outs, dag ins, string asmstr>:
- InstSE<outs, ins, asmstr, [], NoItinerary, FrmFR>
+class MFC3OP_FM<bits<6> op, bits<5> mfmt>
{
- bits<5> mfmt;
bits<5> rt;
bits<5> rd;
bits<3> sel;
- let Opcode = op;
- let mfmt = _mfmt;
+ bits<32> Inst;
+ let Inst{31-26} = op;
let Inst{25-21} = mfmt;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{2-0} = sel;
}
-class ADD_FM<bits<6> op, bits<6> funct> {
+class ADD_FM<bits<6> op, bits<6> funct> : StdArch {
bits<5> rd;
bits<5> rs;
bits<5> rt;
let Inst{5-0} = funct;
}
-class ADDI_FM<bits<6> op> {
+class ADDI_FM<bits<6> op> : StdArch {
bits<5> rs;
bits<5> rt;
bits<16> imm16;
let Inst{15-0} = imm16;
}
-class SRA_FM<bits<6> funct, bit rotate> {
+class SRA_FM<bits<6> funct, bit rotate> : StdArch {
bits<5> rd;
bits<5> rt;
bits<5> shamt;
let Inst{5-0} = funct;
}
-class SRLV_FM<bits<6> funct, bit rotate> {
+class SRLV_FM<bits<6> funct, bit rotate> : StdArch {
bits<5> rd;
bits<5> rt;
bits<5> rs;
let Inst{5-0} = funct;
}
-class BEQ_FM<bits<6> op> {
+class BEQ_FM<bits<6> op> : StdArch {
bits<5> rs;
bits<5> rt;
bits<16> offset;
let Inst{15-0} = offset;
}
-class BGEZ_FM<bits<6> op, bits<5> funct> {
+class BGEZ_FM<bits<6> op, bits<5> funct> : StdArch {
bits<5> rs;
bits<16> offset;
let Inst{15-0} = offset;
}
-class B_FM {
- bits<16> offset;
-
- bits<32> Inst;
-
- let Inst{31-26} = 4;
- let Inst{25-21} = 0;
- let Inst{20-16} = 0;
- let Inst{15-0} = offset;
-}
-
-class SLTI_FM<bits<6> op> {
+class SLTI_FM<bits<6> op> : StdArch {
bits<5> rt;
bits<5> rs;
bits<16> imm16;
let Inst{15-0} = imm16;
}
-class MFLO_FM<bits<6> funct> {
+class MFLO_FM<bits<6> funct> : StdArch {
bits<5> rd;
bits<32> Inst;
let Inst{5-0} = funct;
}
-class MTLO_FM<bits<6> funct> {
+class MTLO_FM<bits<6> funct> : StdArch {
bits<5> rs;
bits<32> Inst;
let Inst{5-0} = funct;
}
-class SEB_FM<bits<5> funct> {
+class SEB_FM<bits<5> funct, bits<6> funct2> : StdArch {
bits<5> rd;
bits<5> rt;
let Inst{20-16} = rt;
let Inst{15-11} = rd;
let Inst{10-6} = funct;
- let Inst{5-0} = 0x20;
+ let Inst{5-0} = funct2;
}
-class CLO_FM<bits<6> funct> {
+class CLO_FM<bits<6> funct> : StdArch {
bits<5> rd;
bits<5> rs;
bits<5> rt;
let rt = rd;
}
-class LUI_FM {
+class LUI_FM : StdArch {
bits<5> rt;
bits<16> imm16;
let Inst{15-0} = imm16;
}
-class NOP_FM {
- bits<32> Inst;
-
- let Inst{31-0} = 0;
-}
-
class JALR_FM {
+ bits<5> rd;
bits<5> rs;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rs;
let Inst{20-16} = 0;
- let Inst{15-11} = 31;
+ let Inst{15-11} = rd;
let Inst{10-6} = 0;
let Inst{5-0} = 9;
}
-class BAL_FM {
+class BGEZAL_FM<bits<5> funct> : StdArch {
+ bits<5> rs;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = 1;
- let Inst{25-21} = 0;
- let Inst{20-16} = 0x11;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = funct;
let Inst{15-0} = offset;
}
-class BGEZAL_FM<bits<5> funct> {
+class SYNC_FM : StdArch {
+ bits<5> stype;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0;
+ let Inst{10-6} = stype;
+ let Inst{5-0} = 0xf;
+}
+
+class MULT_FM<bits<6> op, bits<6> funct> : StdArch {
bits<5> rs;
- bits<16> offset;
+ bits<5> rt;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = op;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+class EXT_FM<bits<6> funct> : StdArch {
+ bits<5> rt;
+ bits<5> rs;
+ bits<5> pos;
+ bits<5> size;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1f;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = size;
+ let Inst{10-6} = pos;
+ let Inst{5-0} = funct;
+}
+
+class RDHWR_FM {
+ bits<5> rt;
+ bits<5> rd;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1f;
+ let Inst{25-21} = 0;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = 0x3b;
+}
+
+class TEQ_FM<bits<6> funct> : StdArch {
+ bits<5> rs;
+ bits<5> rt;
+ bits<10> code_;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-6} = code_;
+ let Inst{5-0} = funct;
+}
+
+class TEQI_FM<bits<5> funct> : StdArch {
+ bits<5> rs;
+ bits<16> imm16;
bits<32> Inst;
let Inst{31-26} = 1;
let Inst{25-21} = rs;
- let Inst{20-16} = funct;
- let Inst{15-0} = offset;
+ let Inst{20-16} = funct;
+ let Inst{15-0} = imm16;
+}
+
+class WAIT_FM : StdArch {
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x10;
+ let Inst{25} = 1;
+ let Inst{24-6} = 0;
+ let Inst{5-0} = 0x20;
+}
+
+class EXTS_FM<bits<6> funct> : StdArch {
+ bits<5> rt;
+ bits<5> rs;
+ bits<5> pos;
+ bits<5> lenm1;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1c;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = lenm1;
+ let Inst{10-6} = pos;
+ let Inst{5-0} = funct;
+}
+
+class MTMR_FM<bits<6> funct> : StdArch {
+ bits<5> rs;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1c;
+ let Inst{25-21} = rs;
+ let Inst{20-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+class POP_FM<bits<6> funct> : StdArch {
+ bits<5> rd;
+ bits<5> rs;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1c;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = 0;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+class SEQ_FM<bits<6> funct> : StdArch {
+ bits<5> rd;
+ bits<5> rs;
+ bits<5> rt;
+
+ bits<32> Inst;
+
+ let Inst{31-26} = 0x1c;
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = rd;
+ let Inst{10-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+//===----------------------------------------------------------------------===//
+// System calls format <op|code_|funct>
+//===----------------------------------------------------------------------===//
+
+class SYS_FM<bits<6> funct> : StdArch
+{
+ bits<20> code_;
+ bits<32> Inst;
+ let Inst{31-26} = 0x0;
+ let Inst{25-6} = code_;
+ let Inst{5-0} = funct;
+}
+
+//===----------------------------------------------------------------------===//
+// Break instruction format <op|code_1|funct>
+//===----------------------------------------------------------------------===//
+
+class BRK_FM<bits<6> funct> : StdArch
+{
+ bits<10> code_1;
+ bits<10> code_2;
+ bits<32> Inst;
+ let Inst{31-26} = 0x0;
+ let Inst{25-16} = code_1;
+ let Inst{15-6} = code_2;
+ let Inst{5-0} = funct;
+}
+
+//===----------------------------------------------------------------------===//
+// Exception return format <Cop0|1|0|funct>
+//===----------------------------------------------------------------------===//
+
+class ER_FM<bits<6> funct> : StdArch
+{
+ bits<32> Inst;
+ let Inst{31-26} = 0x10;
+ let Inst{25} = 1;
+ let Inst{24-6} = 0;
+ let Inst{5-0} = funct;
+}
+
+
+//===----------------------------------------------------------------------===//
+// Enable/disable interrupt instruction format <Cop0|MFMC0|rt|12|0|sc|0|0>
+//===----------------------------------------------------------------------===//
+
+class EI_FM<bits<1> sc> : StdArch
+{
+ bits<32> Inst;
+ bits<5> rt;
+ let Inst{31-26} = 0x10;
+ let Inst{25-21} = 0xb;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = 0xc;
+ let Inst{10-6} = 0;
+ let Inst{5} = sc;
+ let Inst{4-0} = 0;
}
//===----------------------------------------------------------------------===//
let Inst{15-0} = imm16;
}
-class ADDS_FM<bits<6> funct, bits<5> fmt> {
+class ADDS_FM<bits<6> funct, bits<5> fmt> : StdArch {
bits<5> fd;
bits<5> fs;
bits<5> ft;
let Inst{5-0} = funct;
}
-class ABSS_FM<bits<6> funct, bits<5> fmt> {
+class ABSS_FM<bits<6> funct, bits<5> fmt> : StdArch {
bits<5> fd;
bits<5> fs;
let Inst{5-0} = funct;
}
-class MFC1_FM<bits<5> funct> {
+class MFC1_FM<bits<5> funct> : StdArch {
bits<5> rt;
bits<5> fs;
let Inst{10-0} = 0;
}
-class LW_FM<bits<6> op> {
+class LW_FM<bits<6> op> : StdArch {
bits<5> rt;
bits<21> addr;
let Inst{15-0} = addr{15-0};
}
-class MADDS_FM<bits<3> funct, bits<3> fmt> {
+class MADDS_FM<bits<3> funct, bits<3> fmt> : StdArch {
bits<5> fd;
bits<5> fr;
bits<5> fs;
let Inst{2-0} = fmt;
}
-class LWXC1_FM<bits<6> funct> {
+class LWXC1_FM<bits<6> funct> : StdArch {
bits<5> fd;
bits<5> base;
bits<5> index;
let Inst{5-0} = funct;
}
-class SWXC1_FM<bits<6> funct> {
+class SWXC1_FM<bits<6> funct> : StdArch {
bits<5> fs;
bits<5> base;
bits<5> index;
let Inst{5-0} = funct;
}
-class BC1F_FM<bit nd, bit tf> {
+class BC1F_FM<bit nd, bit tf> : StdArch {
+ bits<3> fcc;
bits<16> offset;
bits<32> Inst;
let Inst{31-26} = 0x11;
let Inst{25-21} = 0x8;
- let Inst{20-18} = 0; // cc
+ let Inst{20-18} = fcc;
let Inst{17} = nd;
let Inst{16} = tf;
let Inst{15-0} = offset;
}
-class CEQS_FM<bits<5> fmt> {
+class CEQS_FM<bits<5> fmt> : StdArch {
bits<5> fs;
bits<5> ft;
bits<4> cond;
let Inst{3-0} = cond;
}
-class CMov_I_F_FM<bits<6> funct, bits<5> fmt> {
+class C_COND_FM<bits<5> fmt, bits<4> c> : CEQS_FM<fmt> {
+ let cond = c;
+}
+
+class CMov_I_F_FM<bits<6> funct, bits<5> fmt> : StdArch {
bits<5> fd;
bits<5> fs;
bits<5> rt;
let Inst{5-0} = funct;
}
-class CMov_F_I_FM<bit tf> {
+class CMov_F_I_FM<bit tf> : StdArch {
bits<5> rd;
bits<5> rs;
+ bits<3> fcc;
bits<32> Inst;
let Inst{31-26} = 0;
let Inst{25-21} = rs;
- let Inst{20-18} = 0; // cc
+ let Inst{20-18} = fcc;
let Inst{17} = 0;
let Inst{16} = tf;
let Inst{15-11} = rd;
let Inst{5-0} = 1;
}
-class CMov_F_F_FM<bits<5> fmt, bit tf> {
+class CMov_F_F_FM<bits<5> fmt, bit tf> : StdArch {
bits<5> fd;
bits<5> fs;
+ bits<3> fcc;
bits<32> Inst;
let Inst{31-26} = 0x11;
let Inst{25-21} = fmt;
- let Inst{20-18} = 0; // cc
+ let Inst{20-18} = fcc;
let Inst{17} = 0;
let Inst{16} = tf;
let Inst{15-11} = fs;
let Inst{10-6} = fd;
let Inst{5-0} = 0x11;
}
+
+class BARRIER_FM<bits<5> op> : StdArch {
+ bits<32> Inst;
+
+ let Inst{31-26} = 0; // SPECIAL
+ let Inst{25-21} = 0;
+ let Inst{20-16} = 0; // rt = 0
+ let Inst{15-11} = 0; // rd = 0
+ let Inst{10-6} = op; // Operation
+ let Inst{5-0} = 0; // SLL
+}
projects / oota-llvm.git / blobdiff