Reapply "[mips][FastISel] Implement shift ops for Mips fast-isel.""

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

diff --git a/lib/Target/Mips/Mips32r6InstrFormats.td b/lib/Target/Mips/Mips32r6InstrFormats.td
index d09a3a0fcabc8985d1b42a0959f086527654ba9b..13216bebe5b66183d55335dffbda5bee4999e64b 100644 (file)
--- a/lib/Target/Mips/Mips32r6InstrFormats.td
+++ b/lib/Target/Mips/Mips32r6InstrFormats.td
@@ -11,6 +11,25 @@
 //
 //===----------------------------------------------------------------------===//
 
+class R6MMR6Rel;
+
+def MipsR62MicroMipsR6 : InstrMapping {
+  let FilterClass = "R6MMR6Rel";
+  // 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 = ["mipsr6"];
+  // Value columns are PredSense=true and PredSense=false
+  let ValueCols = [["mipsr6"], ["micromipsr6"]];
+}
+
+class MipsR6Arch<string opstr> {
+  string Arch = "mipsr6";
+  string BaseOpcode = opstr;
+}
+
 class MipsR6Inst : MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther>,
                    PredicateControl {
   let DecoderNamespace = "Mips32r6_64r6";
@@ -108,22 +127,23 @@ def FIELD_FMT_D : FIELD_FMT<0b10001>;
 class FIELD_CMP_COND<bits<5> Val> {
   bits<5> Value = Val;
 }
-def FIELD_CMP_COND_F    : FIELD_CMP_COND<0b00000>;
+// Note: The CMP_COND_FMT names differ from the C_COND_FMT names.
+def FIELD_CMP_COND_AF   : FIELD_CMP_COND<0b00000>;
 def FIELD_CMP_COND_UN   : FIELD_CMP_COND<0b00001>;
 def FIELD_CMP_COND_EQ   : FIELD_CMP_COND<0b00010>;
 def FIELD_CMP_COND_UEQ  : FIELD_CMP_COND<0b00011>;
-def FIELD_CMP_COND_OLT  : FIELD_CMP_COND<0b00100>;
+def FIELD_CMP_COND_LT   : FIELD_CMP_COND<0b00100>;
 def FIELD_CMP_COND_ULT  : FIELD_CMP_COND<0b00101>;
-def FIELD_CMP_COND_OLE  : FIELD_CMP_COND<0b00110>;
+def FIELD_CMP_COND_LE   : FIELD_CMP_COND<0b00110>;
 def FIELD_CMP_COND_ULE  : FIELD_CMP_COND<0b00111>;
-def FIELD_CMP_COND_SF   : FIELD_CMP_COND<0b01000>;
-def FIELD_CMP_COND_NGLE : FIELD_CMP_COND<0b01001>;
+def FIELD_CMP_COND_SAF  : FIELD_CMP_COND<0b01000>;
+def FIELD_CMP_COND_SUN  : FIELD_CMP_COND<0b01001>;
 def FIELD_CMP_COND_SEQ  : FIELD_CMP_COND<0b01010>;
-def FIELD_CMP_COND_NGL  : FIELD_CMP_COND<0b01011>;
-def FIELD_CMP_COND_LT   : FIELD_CMP_COND<0b01100>;
-def FIELD_CMP_COND_NGE  : FIELD_CMP_COND<0b01101>;
-def FIELD_CMP_COND_LE   : FIELD_CMP_COND<0b01110>;
-def FIELD_CMP_COND_NGT  : FIELD_CMP_COND<0b01111>;
+def FIELD_CMP_COND_SUEQ : FIELD_CMP_COND<0b01011>;
+def FIELD_CMP_COND_SLT  : FIELD_CMP_COND<0b01100>;
+def FIELD_CMP_COND_SULT : FIELD_CMP_COND<0b01101>;
+def FIELD_CMP_COND_SLE  : FIELD_CMP_COND<0b01110>;
+def FIELD_CMP_COND_SULE : FIELD_CMP_COND<0b01111>;
 
 class FIELD_CMP_FORMAT<bits<5> Val> {
   bits<5> Value = Val;
@@ -402,7 +422,7 @@ class JMP_IDX_COMPACT_FM<bits<6> funct> : MipsR6Inst {
   bits<32> Inst;
 
   let Inst{31-26} = funct;
-  let Inst{25-21} = 0b000000;
+  let Inst{25-21} = 0b00000;
   let Inst{20-16} = rt;
   let Inst{15-0} = offset;
 }