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The 'rd' register is consistently mentioned last in instruction definitions. 

Created new classes from which instructions inherit their ordering of fields.

llvm-svn: 6461
This commit is contained in:
Misha Brukman 2003-05-31 06:25:19 +00:00
parent c4f029f8ba
commit 23937091f0
1 changed files with 16 additions and 4 deletions
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20
llvm/lib/Target/Sparc/SparcV9_F3.td
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@ -74,6 +74,18 @@ class F3_rs1simm13rd : F3_rs1simm13 {
set Inst{29-25} = rd;
}
// F3_rs2 - Common class of instructions that don't use an rs1
class F3_rs2 : F3 {
bits<5> rs2;
set Inst{4-0} = rs2;
}
// F3_rs2rd - Common class of instructions use rs2 and rd, but not rs1
class F3_rs2rd : F3_rs2 {
bits<5> rd;
set Inst{29-25} = rd;
}
// Specific F3 classes...
//
@ -154,14 +166,14 @@ class F3_12<bits<2> opVal, bits<6> op3Val, string name> : F3_rd {
set Inst{4-0} = shcnt;
}
class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3_rd {
class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
bits<6> shcnt;
bits<5> rs1;
bits<5> rd;
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{18-14} = rs1;
set Inst{29-25} = rd;
set Inst{13} = 1; // i field = 1
set Inst{12} = 1; // x field = 1
//set Inst{11-6} = dontcare;
@ -169,7 +181,7 @@ class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3_rd {
}
class F3_14<bits<2> opVal, bits<6> op3Val,
bits<9> opfval, string name> : F3_rdrs1rs2 {
bits<9> opfval, string name> : F3_rs2rd {
set op = opVal;
set op3 = op3Val;
set Name = name;