[llvm-commits] CVS: llvm/lib/Target/Sparc/SparcV9_F3.td
Misha Brukman
brukman at cs.uiuc.edu
Fri May 30 23:23:01 PDT 2003
Changes in directory llvm/lib/Target/Sparc:
SparcV9_F3.td updated: 1.3 -> 1.4
---
Log message:
The actual order of parameters in a 2-reg-immediate assembly instructions is
"rs1, imm, rd": most importantly, rd goes last.
---
Diffs of the changes:
Index: llvm/lib/Target/Sparc/SparcV9_F3.td
diff -u llvm/lib/Target/Sparc/SparcV9_F3.td:1.3 llvm/lib/Target/Sparc/SparcV9_F3.td:1.4
--- llvm/lib/Target/Sparc/SparcV9_F3.td:1.3 Fri May 30 13:06:10 2003
+++ llvm/lib/Target/Sparc/SparcV9_F3.td Fri May 30 23:22:26 2003
@@ -56,17 +56,47 @@
set Inst{4-0} = rs2;
}
+// F3_rs1rs2 - Common class of instructions that only have rs1 and rs2 fields
+class F3_rs1rs2rd : F3_rs1rs2 {
+ bits<5> rd;
+ set Inst{29-25} = rd;
+ set Inst{4-0} = rs2;
+}
+
// F3_rs1simm13 - Common class of instructions that only have rs1 and simm13
class F3_rs1simm13 : F3_rs1 {
bits<13> simm13;
set Inst{12-0} = simm13;
}
+class F3_rs1simm13rd : F3_rs1simm13 {
+ bits<5> rd;
+ set Inst{29-25} = rd;
+}
+
// Specific F3 classes...
//
-class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1rs2 {
+class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2rd {
+ set op = opVal;
+ set op3 = op3val;
+ set Name = name;
+ set Inst{13} = 0; // i field = 0
+ //set Inst{12-5} = dontcare;
+}
+
+class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rs1simm13rd {
+ set op = opVal;
+ set op3 = op3val;
+ set Name = name;
+ set Inst{13} = 1; // i field = 1
+}
+
+#if 0
+// The ordering is actually incorrect in these: in the assemble syntax,
+// rd appears last!
+class F3_1a<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1rs2 {
set op = opVal;
set op3 = op3val;
set Name = name;
@@ -74,12 +104,14 @@
//set Inst{12-5} = dontcare;
}
-class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rdsimm13rs1 {
+class F3_2a<bits<2> opVal, bits<6> op3val, string name> : F3_rdsimm13rs1 {
set op = opVal;
set op3 = op3val;
set Name = name;
set Inst{13} = 1; // i field = 1
}
+#endif
+
class F3_3<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2 {
set op = opVal;
More information about the llvm-commits
mailing list