[llvm-commits] CVS: llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td SparcV8Instrs_F3.td

Misha Brukman brukman at cs.uiuc.edu
Wed Feb 25 14:53:02 PST 2004


Changes in directory llvm/lib/Target/SparcV8:

SparcV8Instrs_F2.td added (r1.1)
SparcV8Instrs_F3.td added (r1.1)

---
Log message:

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


---
Diffs of the changes:  (+105 -0)

Index: llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td
diff -c /dev/null llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td:1.1
*** /dev/null	Wed Feb 25 14:52:30 2004
--- llvm/lib/Target/SparcV8/SparcV8Instrs_F2.td	Wed Feb 25 14:52:20 2004
***************
*** 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;
+ }


Index: llvm/lib/Target/SparcV8/SparcV8Instrs_F3.td
diff -c /dev/null llvm/lib/Target/SparcV8/SparcV8Instrs_F3.td:1.1
*** /dev/null	Wed Feb 25 14:52:30 2004
--- llvm/lib/Target/SparcV8/SparcV8Instrs_F3.td	Wed Feb 25 14:52:20 2004
***************
*** 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;
+ }
+ 





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