SparcV8 has different types of instructions, but F1 is only used for CALL.

llvm-svn: 11832

2 files changed, 105 insertions, 0 deletions

diff --git a/llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td b/llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td
new file mode 100644
index 00000000000..69b0a4e81c5
--- /dev/null
+++ b/llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td
@@ -0,0 +1,44 @@
+//===- SparcV8Instrs_F2.td - Format 2 instructions: SparcV8 Target --------===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// Format #2 instruction classes in the SparcV8
+//
+//===----------------------------------------------------------------------===//
+
+class F2 : InstV8 {                   // Format 2 instructions
+  bits<3>  op2;
+  bits<22> imm22;
+  let op          = 0;    // op = 0
+  let Inst{24-22} = op2;
+  let Inst{21-0}  = imm22;
+}
+
+// Specific F2 classes: SparcV8 manual, page 44
+//
+class F2_1<bits<3> op2Val, string name> : F2 {
+  bits<5>  rd;
+  bits<22> imm;
+
+  let op2         = op2Val;
+  let Name        = name;
+
+  let Inst{29-25} = rd;
+}
+
+class F2_2<bits<4> cond, bits<3> op2Val, string name> : F2 {
+  bits<4>   cond;
+  bit       annul = 0;     // currently unused
+
+  let cond        = condVal;
+  let op2         = op2Val;
+  let Name        = name;
+
+  let Inst{29}    = annul;
+  let Inst{28-25} = cond;
+}
diff --git a/llvm/lib/Target/SparcV8/SparcV8Instrs_F3.td b/llvm/lib/Target/SparcV8/SparcV8Instrs_F3.td
new file mode 100644
index 00000000000..a19cd34480e
--- /dev/null
+++ b/llvm/lib/Target/SparcV8/SparcV8Instrs_F3.td
@@ -0,0 +1,61 @@
+//===- SparcV8Instrs_F3.td - Format 3 Instructions: SparcV8 Target --------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// Format #3 instruction classes in the SparcV8
+//
+//===----------------------------------------------------------------------===//
+
+class F3 : InstV8 {
+  bits<5> rd;
+  bits<6> op3;
+  bits<5> rs1;
+  let op{1} = 1;   // Op = 2 or 3
+  let Inst{29-25} = rd;
+  let Inst{24-19} = op3;
+  let Inst{18-14} = rs1;
+}
+
+// Specific F3 classes: SparcV8 manual, page 44
+//
+class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3 {
+  bits<8> asi;
+  bits<5> rs2;
+
+  let op         = opVal;
+  let op3        = op3val;
+  let Name       = name;
+
+  let Inst{13}   = 0;     // i field = 0
+  let Inst{12-5} = asi;   // address space identifier
+  let Inst{4-0}  = rs2;
+}
+
+class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3 {
+  bits<13> simm13;
+
+  let op         = opVal;
+  let op3        = op3val;
+  let Name       = name;
+
+  let Inst{13}   = 1;     // i field = 1
+  let Inst{12-0} = simm13;
+}
+
+class F3_3<bits<2> opVal, bits<6> op3val, bits<9> opfVal, string name> 
+  : F3_rs1rs2 {
+  bits<5> rs2;
+
+  let op         = opVal;
+  let op3        = op3val;
+  let Name       = name;
+
+  let Inst{13-5} = opfVal;
+  let Inst{4-0}  = rs2;
+}
+