[mips][mips64r6] Set ELF e_flags for MIPS32r6/MIPS64r6. Also do MIPS-I to MIPS-V

[oota-llvm.git] / lib / Target / Mips / Mips32r6InstrFormats.td

diff --git a/lib/Target/Mips/Mips32r6InstrFormats.td b/lib/Target/Mips/Mips32r6InstrFormats.td
index a3f9df52edb45da9ca2a3b6cc56894e0321ca4af..d09a3a0fcabc8985d1b42a0959f086527654ba9b 100644 (file)
--- a/lib/Target/Mips/Mips32r6InstrFormats.td
+++ b/lib/Target/Mips/Mips32r6InstrFormats.td
@@ -39,7 +39,10 @@ def OPGROUP_DAUI     : OPGROUP<0b011101>;
 def OPGROUP_PCREL    : OPGROUP<0b111011>;
 def OPGROUP_REGIMM   : OPGROUP<0b000001>;
 def OPGROUP_SPECIAL  : OPGROUP<0b000000>;
+// The spec occasionally names this value LL, LLD, SC, or SCD.
 def OPGROUP_SPECIAL3 : OPGROUP<0b011111>;
+// The spec names this constant LWC2, LDC2, SWC2, and SDC2 in different places.
+def OPGROUP_COP2LDST : OPGROUP<0b010010>;
 
 class OPCODE2<bits<2> Val> {
   bits<2> Value = Val;
@@ -48,6 +51,11 @@ def OPCODE2_ADDIUPC : OPCODE2<0b00>;
 def OPCODE2_LWPC    : OPCODE2<0b01>;
 def OPCODE2_LWUPC   : OPCODE2<0b10>;
 
+class OPCODE3<bits<3> Val> {
+  bits<3> Value = Val;
+}
+def OPCODE3_LDPC : OPCODE3<0b110>;
+
 class OPCODE5<bits<5> Val> {
   bits<5> Value = Val;
 }
@@ -59,6 +67,13 @@ def OPCODE5_BC1EQZ : OPCODE5<0b01001>;
 def OPCODE5_BC1NEZ : OPCODE5<0b01101>;
 def OPCODE5_BC2EQZ : OPCODE5<0b01001>;
 def OPCODE5_BC2NEZ : OPCODE5<0b01101>;
+def OPCODE5_BGEZAL : OPCODE5<0b10001>;
+// The next four constants are unnamed in the spec. These names are taken from
+// the OPGROUP names they are used with.
+def OPCODE5_LDC2   : OPCODE5<0b01110>;
+def OPCODE5_LWC2   : OPCODE5<0b01010>;
+def OPCODE5_SDC2   : OPCODE5<0b01111>;
+def OPCODE5_SWC2   : OPCODE5<0b01011>;
 
 class OPCODE6<bits<6> Val> {
   bits<6> Value = Val;
@@ -67,6 +82,22 @@ def OPCODE6_ALIGN    : OPCODE6<0b100000>;
 def OPCODE6_DALIGN   : OPCODE6<0b100100>;
 def OPCODE6_BITSWAP  : OPCODE6<0b100000>;
 def OPCODE6_DBITSWAP : OPCODE6<0b100100>;
+def OPCODE6_JALR     : OPCODE6<0b001001>;
+def OPCODE6_CACHE    : OPCODE6<0b100101>;
+def OPCODE6_PREF     : OPCODE6<0b110101>;
+// The next four constants are unnamed in the spec. These names are taken from
+// the OPGROUP names they are used with.
+def OPCODE6_LL       : OPCODE6<0b110110>;
+def OPCODE6_LLD      : OPCODE6<0b110111>;
+def OPCODE6_SC       : OPCODE6<0b100110>;
+def OPCODE6_SCD      : OPCODE6<0b100111>;
+def OPCODE6_CLO      : OPCODE6<0b010001>;
+def OPCODE6_CLZ      : OPCODE6<0b010000>;
+def OPCODE6_DCLO     : OPCODE6<0b010011>;
+def OPCODE6_DCLZ     : OPCODE6<0b010010>;
+def OPCODE6_LSA      : OPCODE6<0b000101>;
+def OPCODE6_DLSA     : OPCODE6<0b010101>;
+def OPCODE6_SDBBP    : OPCODE6<0b001110>;
 
 class FIELD_FMT<bits<5> Val> {
   bits<5> Value = Val;
@@ -139,6 +170,17 @@ class DAUI_FM : AUI_FM {
   let Inst{31-26} = OPGROUP_DAUI.Value;
 }
 
+class BAL_FM : MipsR6Inst {
+  bits<16> offset;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_REGIMM.Value;
+  let Inst{25-21} = 0b00000;
+  let Inst{20-16} = OPCODE5_BGEZAL.Value;
+  let Inst{15-0} = offset;
+}
+
 class COP1_2R_FM<bits<6> funct, FIELD_FMT Format> : MipsR6Inst {
   bits<5> fs;
   bits<5> fd;
@@ -216,6 +258,18 @@ class PCREL19_FM<OPCODE2 Operation> : MipsR6Inst {
   let Inst{18-0} = imm;
 }
 
+class PCREL18_FM<OPCODE3 Operation> : MipsR6Inst {
+  bits<5> rs;
+  bits<18> imm;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_PCREL.Value;
+  let Inst{25-21} = rs;
+  let Inst{20-18} = Operation.Value;
+  let Inst{17-0} = imm;
+}
+
 class SPECIAL3_2R_FM<OPCODE6 Operation> : MipsR6Inst {
   bits<5> rd;
   bits<5> rt;
@@ -230,6 +284,36 @@ class SPECIAL3_2R_FM<OPCODE6 Operation> : MipsR6Inst {
   let Inst{5-0}   = Operation.Value;
 }
 
+class SPECIAL3_MEM_FM<OPCODE6 Operation> : MipsR6Inst {
+  bits<21> addr;
+  bits<5> hint;
+  bits<5> base = addr{20-16};
+  bits<9> offset = addr{8-0};
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL3.Value;
+  let Inst{25-21} = base;
+  let Inst{20-16} = hint;
+  let Inst{15-7}  = offset;
+  let Inst{6}     = 0;
+  let Inst{5-0}   = Operation.Value;
+}
+
+class SPECIAL_2R_FM<OPCODE6 Operation> : MipsR6Inst {
+  bits<5> rd;
+  bits<5> rs;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL.Value;
+  let Inst{25-21} = rs;
+  let Inst{20-16} = 0b00000;
+  let Inst{15-11} = rd;
+  let Inst{10-6}  = 0b00001;
+  let Inst{5-0}   = Operation.Value;
+}
+
 class SPECIAL_3R_FM<bits<5> mulop, bits<6> funct> : MipsR6Inst {
   bits<5> rd;
   bits<5> rs;
@@ -245,6 +329,16 @@ class SPECIAL_3R_FM<bits<5> mulop, bits<6> funct> : MipsR6Inst {
   let Inst{5-0}   = funct;
 }
 
+class SPECIAL_SDBBP_FM : MipsR6Inst {
+  bits<20> code_;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL.Value;
+  let Inst{25-6}  = code_;
+  let Inst{5-0}   = OPCODE6_SDBBP.Value;
+}
+
 // This class is ambiguous with other branches:
 //   BEQC/BNEC require that rs > rt
 class CMP_BRANCH_2R_OFF16_FM<OPGROUP funct> : MipsR6Inst {
@@ -355,6 +449,40 @@ class SPECIAL3_DALIGN_FM<OPCODE6 Operation> : MipsR6Inst {
   let Inst{5-0}   = Operation.Value;
 }
 
+class SPECIAL3_LL_SC_FM<OPCODE6 Operation> : MipsR6Inst {
+  bits<5> rt;
+  bits<21> addr;
+  bits<5> base = addr{20-16};
+  bits<9> offset = addr{8-0};
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL3.Value;
+  let Inst{25-21} = base;
+  let Inst{20-16} = rt;
+  let Inst{15-7} = offset;
+  let Inst{5-0} = Operation.Value;
+
+  string DecoderMethod = "DecodeSpecial3LlSc";
+}
+
+class SPECIAL_LSA_FM<OPCODE6 Operation> : MipsR6Inst {
+  bits<5> rd;
+  bits<5> rs;
+  bits<5> rt;
+  bits<2> imm2;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL.Value;
+  let Inst{25-21} = rs;
+  let Inst{20-16} = rt;
+  let Inst{15-11} = rd;
+  let Inst{10-8}  = 0b000;
+  let Inst{7-6}   = imm2;
+  let Inst{5-0}   = Operation.Value;
+}
+
 class REGIMM_FM<OPCODE5 Operation> : MipsR6Inst {
   bits<5> rs;
   bits<16> imm;
@@ -384,3 +512,31 @@ class COP1_CMP_CONDN_FM<FIELD_CMP_FORMAT Format,
   let Inst{4-0}   = Cond.Value;
 }
 
+class JR_HB_R6_FM<OPCODE6 Operation> : MipsR6Inst {
+  bits<5> rs;
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_SPECIAL.Value;
+  let Inst{25-21} = rs;
+  let Inst{20-16} = 0;
+  let Inst{15-11} = 0;
+  let Inst{10} = 1;
+  let Inst{9-6} = 0;
+  let Inst{5-0} = Operation.Value;
+}
+
+class COP2LDST_FM<OPCODE5 Operation> : MipsR6Inst {
+  bits<5> rt;
+  bits<21> addr;
+  bits<5> base = addr{20-16};
+  bits<11> offset = addr{10-0};
+
+  bits<32> Inst;
+
+  let Inst{31-26} = OPGROUP_COP2LDST.Value;
+  let Inst{25-21} = Operation.Value;
+  let Inst{20-16} = rt;
+  let Inst{15-11} = base;
+  let Inst{10-0}  = offset;
+}