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* Force all "don't care" bits to 0 so that there are absolutely no unset bits in

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the TableGen descriptions; all unset bits are thus errors.
* As a result, found and fixed instructions where some operands were not
  actually assigned into the right portion of the instruction.

llvm-svn: 7074
This commit is contained in:
Misha Brukman 2003-07-02 19:37:48 +00:00
parent 4eeef8986f
commit 8dd0e2fb27
2 changed files with 18 additions and 14 deletions
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26
lib/Target/Sparc/SparcV9_F3.td
View File

@ -95,7 +95,7 @@ class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2rd {
set op3 = op3val;
set Name = name;
set Inst{13} = 0; // i field = 0
//set Inst{12-5} = dontcare;
set Inst{12-5} = 0; // don't care
}
// The store instructions seem to like to see rd first, then rs1 and rs2
@ -104,7 +104,7 @@ class F3_1rd<bits<2> opVal, bits<6> op3val, string name> : F3_rdrs1rs2 {
set op3 = op3val;
set Name = name;
set Inst{13} = 0; // i field = 0
//set Inst{12-5} = dontcare;
set Inst{12-5} = 0; // don't care
}
class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rs1simm13rd {
@ -126,7 +126,9 @@ class F3_3<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rs2 {
set op = opVal;
set op3 = op3val;
set Name = name;
set Inst{29-25} = 0; // don't care
set Inst{13} = 0;
set Inst{12-5} = 0; // don't care
}
class F3_4<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1simm13 {
@ -134,7 +136,7 @@ class F3_4<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1simm13 {
set op = opVal;
set op3 = op3Val;
set Name = name;
//set Inst{29-25} = dontcare;
set Inst{29-25} = 0; // don't care
set Inst{13} = 1;
set Inst{12-0} = simm;
}
@ -146,6 +148,7 @@ class F3_5<bits<2> opVal, bits<6> op3Val, bits<3> rcondVal,
set Name = name;
set Inst{13} = 0; // i field = 0
set Inst{12-10} = rcondVal; // rcond field
set Inst{9-5} = 0; // don't care
}
class F3_6<bits<2> opVal, bits<6> op3Val, bits<3> rcondVal,
@ -156,8 +159,10 @@ class F3_6<bits<2> opVal, bits<6> op3Val, bits<3> rcondVal,
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{29-25} = rd;
set Inst{13} = 1; // i field = 1
set Inst{12-10} = rcondVal; // rcond field
set Inst{9-0} = simm10;
}
//FIXME: classes 7-10 not defined!!
@ -169,7 +174,7 @@ class F3_11<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1rs2rd {
set Name = name;
set Inst{13} = 0; // i field = 0
set Inst{12} = x;
//set Inst{11-5} = dontcare;
set Inst{11-5} = 0; // don't care
}
class F3_12<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
@ -182,7 +187,7 @@ class F3_12<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1 {
set Inst{29-25} = rd;
set Inst{13} = 1; // i field = 1
set Inst{12} = 0; // x field = 0
//set Inst{11-5} = dontcare;
set Inst{11-5} = 0; // don't care
set Inst{4-0} = shcnt;
}
@ -196,7 +201,7 @@ class F3_13<bits<2> opVal, bits<6> op3Val, string name> : F3_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;
set Inst{11-6} = 0; // don't care
set Inst{5-0} = shcnt;
}
@ -205,7 +210,7 @@ class F3_14<bits<2> opVal, bits<6> op3Val,
set op = opVal;
set op3 = op3Val;
set Name = name;
//set Inst{18-14} = dontcare;
set Inst{18-14} = 0; // don't care
set Inst{13-5} = opfVal;
}
@ -218,6 +223,7 @@ class F3_15<bits<2> opVal, bits<6> op3Val,
set op = opVal;
set op3 = op3Val;
set Name = name;
set Inst{29-27} = 0; // defined to be zero
set Inst{26-25} = cc;
set Inst{18-14} = rs1;
set Inst{13-5} = opfVal;
@ -236,7 +242,7 @@ class F3_17<bits<2> opVal, bits<6> op3Val, string name> : F3_rs1rd {
set op = opVal;
set op3 = op3Val;
set Name = name;
//Inst{13-0} = dontcare;
set Inst{13-0} = 0; // don't care
}
class F3_18<bits<5> fcn, string name> : F3 {
@ -244,14 +250,14 @@ class F3_18<bits<5> fcn, string name> : F3 {
set op3 = 0b111110;
set Name = name;
set Inst{29-25} = fcn;
//set Inst{18-0 } = dontcare;
set Inst{18-0 } = 0; // don't care;
}
class F3_19<bits<2> opVal, bits<6> op3Val, string name> : F3_rd {
set op = opVal;
set op3 = op3Val;
set Name = name;
//Inst{18-0} = dontcare;
set Inst{18-0} = 0; // don't care
}
// FIXME: class F3_20

6
lib/Target/Sparc/SparcV9_F4.td
View File

@ -14,14 +14,12 @@ class F4 : InstV9 {
// F4_rs1 - Common class of instructions that use an rs1 field
class F4_rs1 : F4 {
bits<5> rs1;
//set Inst{29-25} = dontcare;
set Inst{18-14} = rs1;
}
// F4_rs1rs2 - Common class of instructions that have rs1 and rs2 fields
class F4_rs1rs2 : F4_rs1 {
bits<5> rs2;
//set Inst{12-5} = dontcare;
set Inst{4-0} = rs2;
}
@ -64,7 +62,7 @@ class F4_1<bits<2> opVal, bits<6> op3Val, string name> : F4_rs1rs2rd {
set Name = name;
set Inst{13} = 0; // i bit
set Inst{12-11} = cc;
//set Inst{10-5} = dontcare;
set Inst{10-5} = 0; // don't care
}
class F4_2<bits<2> opVal, bits<6> op3Val, string name> : F4_rs1simm11rd {
@ -88,7 +86,7 @@ class F4_3<bits<2> opVal, bits<6> op3Val, bits<4> condVal,
set Name = name;
set Inst{29-25} = rd;
set Inst{13} = 0; // i bit
//set Inst{10-5} = dontcare;
set Inst{10-5} = 0; // don't care
set Inst{4-0} = rs2;
}