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These never trigger, but whatever

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24612 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2005-12-05 23:19:44 +00:00
parent 8d202230b4
commit 5de36f95da
2 changed files with 40 additions and 9 deletions
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18
lib/Target/Alpha/AlphaInstrFormats.td
View File

@ -171,6 +171,24 @@ class OForm4<bits<6> opcode, bits<7> fun, string asmstr>
let Inst{4-0} = Rc;
}
class OForm4A<bits<6> opcode, bits<7> fun, string asmstr, list<dag> pattern>
: InstAlphaAlt<opcode, asmstr> {
let Pattern = pattern;
bits<5> Rc;
bits<5> Rb;
bits<5> Ra;
bits<7> Function = fun;
let isTwoAddress = 1;
let Inst{25-21} = Ra;
let Inst{20-16} = Rb;
let Inst{15-13} = 0;
let Inst{12} = 0;
let Inst{11-5} = Function;
let Inst{4-0} = Rc;
}
class OFormL<bits<6> opcode, bits<7> fun, string asmstr, list<dag> pattern>
: InstAlpha<opcode, (ops GPRC:$RC, GPRC:$RA, u8imm:$L), asmstr> {

31
lib/Target/Alpha/AlphaInstrInfo.td
View File

@ -148,24 +148,37 @@ let isTwoAddress = 1 in {
//Operation Form:
//conditional moves, int
def CMOVEQ : OForm4< 0x11, 0x24, "cmoveq $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND = zero
def CMOVEQi : OForm4L< 0x11, 0x24, "cmoveq $RCOND,$L,$RDEST">; //CMOVE if RCOND = zero
def CMOVGE : OForm4< 0x11, 0x46, "cmovge $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND >= zero
def CMOVGEi : OForm4L< 0x11, 0x46, "cmovge $RCOND,$L,$RDEST">; //CMOVE if RCOND >= zero
def CMOVGT : OForm4< 0x11, 0x66, "cmovgt $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND > zero
def CMOVGTi : OForm4L< 0x11, 0x66, "cmovgt $RCOND,$L,$RDEST">; //CMOVE if RCOND > zero
def CMOVLBC : OForm4< 0x11, 0x16, "cmovlbc $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND low bit clear
def CMOVLBCi : OForm4L< 0x11, 0x16, "cmovlbc $RCOND,$L,$RDEST">; //CMOVE if RCOND low bit clear
def CMOVLBS : OForm4< 0x11, 0x14, "cmovlbs $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND low bit set
def CMOVLBSi : OForm4L< 0x11, 0x14, "cmovlbs $RCOND,$L,$RDEST">; //CMOVE if RCOND low bit set
def CMOVLE : OForm4< 0x11, 0x64, "cmovle $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND <= zero
def CMOVLEi : OForm4L< 0x11, 0x64, "cmovle $RCOND,$L,$RDEST">; //CMOVE if RCOND <= zero
def CMOVLT : OForm4< 0x11, 0x44, "cmovlt $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND < zero
def CMOVLTi : OForm4L< 0x11, 0x44, "cmovlt $RCOND,$L,$RDEST">; //CMOVE if RCOND < zero
def CMOVNE : OForm4< 0x11, 0x26, "cmovne $RCOND,$RSRC,$RDEST">; //CMOVE if RCOND != zero
def CMOVNEi : OForm4L< 0x11, 0x26, "cmovne $RCOND,$L,$RDEST">; //CMOVE if RCOND != zero
//FIXME: fold setcc with select
let OperandList = (ops GPRC:$RDEST, GPRC:$RTRUE, GPRC:$RFALSE, GPRC:$RCOND) in {
def CMOVLBC : OForm4A< 0x11, 0x16, "cmovlbc $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (xor GPRC:$RCOND, 1), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVLBS : OForm4A< 0x11, 0x14, "cmovlbs $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (and GPRC:$RCOND, 1), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVEQ : OForm4A< 0x11, 0x24, "cmoveq $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (seteq GPRC:$RCOND, 0), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVGE : OForm4A< 0x11, 0x46, "cmovge $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (setge GPRC:$RCOND, 0), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVGT : OForm4A< 0x11, 0x66, "cmovgt $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (setgt GPRC:$RCOND, 0), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVLE : OForm4A< 0x11, 0x64, "cmovle $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (setlt GPRC:$RCOND, 0), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVLT : OForm4A< 0x11, 0x44, "cmovlt $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (setlt GPRC:$RCOND, 0), GPRC:$RTRUE, GPRC:$RFALSE))]>;
def CMOVNE : OForm4A< 0x11, 0x26, "cmovne $RCOND,$RFALSE,$RDEST",
[(set GPRC:$RDEST, (select (setne GPRC:$RCOND, 0), GPRC:$RTRUE, GPRC:$RFALSE))]>;
}
//FIXME: fold setcc with select for all cases. clearly I need patterns for inverted conditions
// and constants (which require inverted conditions as legalize puts the constant in the
// wrong field for the instruction definition
def : Pat<(select GPRC:$which, GPRC:$src1, GPRC:$src2),
(CMOVEQ GPRC:$src1, GPRC:$src2, GPRC:$which)>;