diff options
-rw-r--r-- | lib/Target/SparcV9/SparcV9_F3.td | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/lib/Target/SparcV9/SparcV9_F3.td b/lib/Target/SparcV9/SparcV9_F3.td index d639ed5..5083dad 100644 --- a/lib/Target/SparcV9/SparcV9_F3.td +++ b/lib/Target/SparcV9/SparcV9_F3.td @@ -56,17 +56,47 @@ class F3_rs1rs2 : F3_rs1 { 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 @@ class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1rs2 { //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; |