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llvm-mirror/lib/Target/IA64/IA64InstrInfo.td

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//===- IA64InstrInfo.td - Describe the IA64 Instruction Set -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes the IA64 instruction set, defining the instructions, and
// properties of the instructions which are needed for code generation, machine
// code emission, and analysis.
//
//===----------------------------------------------------------------------===//
include "IA64InstrFormats.td"
//===----------------------------------------------------------------------===//
// IA-64 specific DAG Nodes.
//
def IA64getfd : SDNode<"IA64ISD::GETFD", SDTFPToIntOp, []>;
def retflag : SDNode<"IA64ISD::RET_FLAG", SDTNone,
[SDNPHasChain, SDNPOptInFlag]>;
//===---------
// Instruction types
class isA { bit A=1; } // I or M unit
class isM { bit M=1; } // M unit
class isI { bit I=1; } // I unit
class isB { bit B=1; } // B unit
class isF { bit F=1; } // F unit
class isLX { bit LX=1; } // I/B
//===---------
def u2imm : Operand<i8>;
def u6imm : Operand<i8>;
def s8imm : Operand<i8> {
let PrintMethod = "printS8ImmOperand";
}
def s14imm : Operand<i64> {
let PrintMethod = "printS14ImmOperand";
}
def s22imm : Operand<i64> {
let PrintMethod = "printS22ImmOperand";
}
def u64imm : Operand<i64> {
let PrintMethod = "printU64ImmOperand";
}
def s64imm : Operand<i64> {
let PrintMethod = "printS64ImmOperand";
}
let PrintMethod = "printGlobalOperand" in
def globaladdress : Operand<i64>;
// the asmprinter needs to know about calls
let PrintMethod = "printCallOperand" in
def calltarget : Operand<i64>;
/* new daggy action!!! */
def is32ones : PatLeaf<(i64 imm), [{
// is32ones predicate - True if the immediate is 0x00000000FFFFFFFF
// Used to create ZXT4s appropriately
uint64_t v = (uint64_t)N->getValue();
return (v == 0x00000000FFFFFFFFLL);
}]>;
// isMIXable predicates - True if the immediate is
// 0xFF00FF00FF00FF00, 0x00FF00FF00FF00FF
// etc, through 0x00000000FFFFFFFF
// Used to test for the suitability of mix*
def isMIX1Lable: PatLeaf<(i64 imm), [{
return((uint64_t)N->getValue()==0xFF00FF00FF00FF00LL);
}]>;
def isMIX1Rable: PatLeaf<(i64 imm), [{
return((uint64_t)N->getValue()==0x00FF00FF00FF00FFLL);
}]>;
def isMIX2Lable: PatLeaf<(i64 imm), [{
return((uint64_t)N->getValue()==0xFFFF0000FFFF0000LL);
}]>;
def isMIX2Rable: PatLeaf<(i64 imm), [{
return((uint64_t)N->getValue()==0x0000FFFF0000FFFFLL);
}]>;
def isMIX4Lable: PatLeaf<(i64 imm), [{
return((uint64_t)N->getValue()==0xFFFFFFFF00000000LL);
}]>;
def isMIX4Rable: PatLeaf<(i64 imm), [{
return((uint64_t)N->getValue()==0x00000000FFFFFFFFLL);
}]>;
def isSHLADDimm: PatLeaf<(i64 imm), [{
// isSHLADDimm predicate - True if the immediate is exactly 1, 2, 3 or 4
// - 0 is *not* okay.
// Used to create shladd instructions appropriately
int64_t v = (int64_t)N->getValue();
return (v >= 1 && v <= 4);
}]>;
def immSExt14 : PatLeaf<(i64 imm), [{
// immSExt14 predicate - True if the immediate fits in a 14-bit sign extended
// field. Used by instructions like 'adds'.
int64_t v = (int64_t)N->getValue();
return (v <= 8191 && v >= -8192);
}]>;
// imm64 predicate - True if the immediate fits in a 64-bit
// field - i.e., true. used to keep movl happy
def imm64 : PatLeaf<(i64 imm)>;
def ADD : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"add $dst = $src1, $src2",
[(set GR:$dst, (add GR:$src1, GR:$src2))]>, isA;
def ADD1 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"add $dst = $src1, $src2, 1",
[(set GR:$dst, (add (add GR:$src1, GR:$src2), 1))]>, isA;
def ADDS : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, s14imm:$imm),
"adds $dst = $imm, $src1",
[(set GR:$dst, (add GR:$src1, immSExt14:$imm))]>, isA;
def MOVL : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins s64imm:$imm),
"movl $dst = $imm",
[(set GR:$dst, imm64:$imm)]>, isLX;
def ADDL_GA : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, globaladdress:$imm),
"addl $dst = $imm, $src1",
[]>, isA;
// hmm
def ADDL_EA : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, calltarget:$imm),
"addl $dst = $imm, $src1",
[]>, isA;
def SUB : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"sub $dst = $src1, $src2",
[(set GR:$dst, (sub GR:$src1, GR:$src2))]>, isA;
def SUB1 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"sub $dst = $src1, $src2, 1",
[(set GR:$dst, (add (sub GR: $src1, GR:$src2), -1))]>, isA;
let isTwoAddress = 1 in {
def TPCADDIMM22 : AForm<0x03, 0x0b,
(outs GR:$dst), (ins GR:$src1, s22imm:$imm, PR:$qp),
"($qp) add $dst = $imm, $dst">, isA;
def TPCADDS : AForm_DAG<0x03, 0x0b,
(outs GR:$dst), (ins GR:$src1, s14imm:$imm, PR:$qp),
"($qp) adds $dst = $imm, $dst",
[]>, isA;
def TPCMPIMM8NE : AForm<0x03, 0x0b,
(outs PR:$dst), (ins PR:$src1, s22imm:$imm, GR:$src2, PR:$qp),
"($qp) cmp.ne $dst , p0 = $imm, $src2">, isA;
}
// zero extend a bool (predicate reg) into an integer reg
def ZXTb : Pat<(zext PR:$src),
(TPCADDIMM22 (ADDS r0, 0), 1, PR:$src)>;
def AXTb : Pat<(anyext PR:$src),
(TPCADDIMM22 (ADDS r0, 0), 1, PR:$src)>;
// normal sign/zero-extends
def SXT1 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "sxt1 $dst = $src",
[(set GR:$dst, (sext_inreg GR:$src, i8))]>, isI;
def ZXT1 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "zxt1 $dst = $src",
[(set GR:$dst, (and GR:$src, 255))]>, isI;
def SXT2 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "sxt2 $dst = $src",
[(set GR:$dst, (sext_inreg GR:$src, i16))]>, isI;
def ZXT2 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "zxt2 $dst = $src",
[(set GR:$dst, (and GR:$src, 65535))]>, isI;
def SXT4 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "sxt4 $dst = $src",
[(set GR:$dst, (sext_inreg GR:$src, i32))]>, isI;
def ZXT4 : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "zxt4 $dst = $src",
[(set GR:$dst, (and GR:$src, is32ones))]>, isI;
// fixme: shrs vs shru?
def MIX1L : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"mix1.l $dst = $src1, $src2",
[(set GR:$dst, (or (and GR:$src1, isMIX1Lable),
(and (srl GR:$src2, (i64 8)), isMIX1Lable)))]>, isI;
def MIX2L : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"mix2.l $dst = $src1, $src2",
[(set GR:$dst, (or (and GR:$src1, isMIX2Lable),
(and (srl GR:$src2, (i64 16)), isMIX2Lable)))]>, isI;
def MIX4L : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"mix4.l $dst = $src1, $src2",
[(set GR:$dst, (or (and GR:$src1, isMIX4Lable),
(and (srl GR:$src2, (i64 32)), isMIX4Lable)))]>, isI;
def MIX1R : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"mix1.r $dst = $src1, $src2",
[(set GR:$dst, (or (and (shl GR:$src1, (i64 8)), isMIX1Rable),
(and GR:$src2, isMIX1Rable)))]>, isI;
def MIX2R : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"mix2.r $dst = $src1, $src2",
[(set GR:$dst, (or (and (shl GR:$src1, (i64 16)), isMIX2Rable),
(and GR:$src2, isMIX2Rable)))]>, isI;
def MIX4R : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"mix4.r $dst = $src1, $src2",
[(set GR:$dst, (or (and (shl GR:$src1, (i64 32)), isMIX4Rable),
(and GR:$src2, isMIX4Rable)))]>, isI;
def GETFSIGD : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins FP:$src),
"getf.sig $dst = $src",
[]>, isM;
def SETFSIGD : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins GR:$src),
"setf.sig $dst = $src",
[]>, isM;
def XMALD : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"xma.l $dst = $src1, $src2, $src3",
[]>, isF;
def XMAHD : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"xma.h $dst = $src1, $src2, $src3",
[]>, isF;
def XMAHUD : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"xma.hu $dst = $src1, $src2, $src3",
[]>, isF;
// pseudocode for integer multiplication
def : Pat<(mul GR:$src1, GR:$src2),
(GETFSIGD (XMALD (SETFSIGD GR:$src1), (SETFSIGD GR:$src2), F0))>;
def : Pat<(mulhs GR:$src1, GR:$src2),
(GETFSIGD (XMAHD (SETFSIGD GR:$src1), (SETFSIGD GR:$src2), F0))>;
def : Pat<(mulhu GR:$src1, GR:$src2),
(GETFSIGD (XMAHUD (SETFSIGD GR:$src1), (SETFSIGD GR:$src2), F0))>;
// TODO: addp4 (addp4 dst = src, r0 is a 32-bit add)
// has imm form, too
// def ADDS : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, s14imm:$imm),
// "adds $dst = $imm, $src1">;
def AND : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"and $dst = $src1, $src2",
[(set GR:$dst, (and GR:$src1, GR:$src2))]>, isA;
def ANDCM : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"andcm $dst = $src1, $src2",
[(set GR:$dst, (and GR:$src1, (not GR:$src2)))]>, isA;
// TODO: and/andcm/or/xor/add/sub/shift immediate forms
def OR : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"or $dst = $src1, $src2",
[(set GR:$dst, (or GR:$src1, GR:$src2))]>, isA;
def pOR : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2, PR:$qp),
"($qp) or $dst = $src1, $src2">, isA;
// the following are all a bit unfortunate: we throw away the complement
// of the compare!
def CMPEQ : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.eq $dst, p0 = $src1, $src2",
[(set PR:$dst, (seteq GR:$src1, GR:$src2))]>, isA;
def CMPGT : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.gt $dst, p0 = $src1, $src2",
[(set PR:$dst, (setgt GR:$src1, GR:$src2))]>, isA;
def CMPGE : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.ge $dst, p0 = $src1, $src2",
[(set PR:$dst, (setge GR:$src1, GR:$src2))]>, isA;
def CMPLT : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.lt $dst, p0 = $src1, $src2",
[(set PR:$dst, (setlt GR:$src1, GR:$src2))]>, isA;
def CMPLE : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.le $dst, p0 = $src1, $src2",
[(set PR:$dst, (setle GR:$src1, GR:$src2))]>, isA;
def CMPNE : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.ne $dst, p0 = $src1, $src2",
[(set PR:$dst, (setne GR:$src1, GR:$src2))]>, isA;
def CMPLTU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.ltu $dst, p0 = $src1, $src2",
[(set PR:$dst, (setult GR:$src1, GR:$src2))]>, isA;
def CMPGTU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.gtu $dst, p0 = $src1, $src2",
[(set PR:$dst, (setugt GR:$src1, GR:$src2))]>, isA;
def CMPLEU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.leu $dst, p0 = $src1, $src2",
[(set PR:$dst, (setule GR:$src1, GR:$src2))]>, isA;
def CMPGEU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2),
"cmp.geu $dst, p0 = $src1, $src2",
[(set PR:$dst, (setuge GR:$src1, GR:$src2))]>, isA;
// and we do the whole thing again for FP compares!
def FCMPEQ : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.eq $dst, p0 = $src1, $src2",
[(set PR:$dst, (seteq FP:$src1, FP:$src2))]>, isF;
def FCMPGT : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.gt $dst, p0 = $src1, $src2",
[(set PR:$dst, (setgt FP:$src1, FP:$src2))]>, isF;
def FCMPGE : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.ge $dst, p0 = $src1, $src2",
[(set PR:$dst, (setge FP:$src1, FP:$src2))]>, isF;
def FCMPLT : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.lt $dst, p0 = $src1, $src2",
[(set PR:$dst, (setlt FP:$src1, FP:$src2))]>, isF;
def FCMPLE : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.le $dst, p0 = $src1, $src2",
[(set PR:$dst, (setle FP:$src1, FP:$src2))]>, isF;
def FCMPNE : AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.neq $dst, p0 = $src1, $src2",
[(set PR:$dst, (setne FP:$src1, FP:$src2))]>, isF;
def FCMPLTU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.lt $dst, p0 = $src1, $src2",
[(set PR:$dst, (setult FP:$src1, FP:$src2))]>, isF;
def FCMPGTU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.gt $dst, p0 = $src1, $src2",
[(set PR:$dst, (setugt FP:$src1, FP:$src2))]>, isF;
def FCMPLEU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.le $dst, p0 = $src1, $src2",
[(set PR:$dst, (setule FP:$src1, FP:$src2))]>, isF;
def FCMPGEU: AForm_DAG<0x03, 0x0b, (outs PR:$dst), (ins FP:$src1, FP:$src2),
"fcmp.ge $dst, p0 = $src1, $src2",
[(set PR:$dst, (setuge FP:$src1, FP:$src2))]>, isF;
def PCMPEQUNCR0R0 : AForm<0x03, 0x0b, (outs PR:$dst), (ins PR:$qp),
"($qp) cmp.eq.unc $dst, p0 = r0, r0">, isA;
def : Pat<(trunc GR:$src), // truncate i64 to i1
(CMPNE GR:$src, r0)>; // $src!=0? If so, PR:$dst=true
let isTwoAddress=1 in {
def TPCMPEQR0R0 : AForm<0x03, 0x0b, (outs PR:$dst), (ins PR:$bogus, PR:$qp),
"($qp) cmp.eq $dst, p0 = r0, r0">, isA;
def TPCMPNER0R0 : AForm<0x03, 0x0b, (outs PR:$dst), (ins PR:$bogus, PR:$qp),
"($qp) cmp.ne $dst, p0 = r0, r0">, isA;
}
/* our pseudocode for OR on predicates is:
pC = pA OR pB
-------------
(pA) cmp.eq.unc pC,p0 = r0,r0 // pC = pA
;;
(pB) cmp.eq pC,p0 = r0,r0 // if (pB) pC = 1 */
def bOR : Pat<(or PR:$src1, PR:$src2),
(TPCMPEQR0R0 (PCMPEQUNCR0R0 PR:$src1), PR:$src2)>;
/* our pseudocode for AND on predicates is:
*
(pA) cmp.eq.unc pC,p0 = r0,r0 // pC = pA
cmp.eq pTemp,p0 = r0,r0 // pTemp = NOT pB
;;
(pB) cmp.ne pTemp,p0 = r0,r0
;;
(pTemp)cmp.ne pC,p0 = r0,r0 // if (NOT pB) pC = 0 */
def bAND : Pat<(and PR:$src1, PR:$src2),
( TPCMPNER0R0 (PCMPEQUNCR0R0 PR:$src1),
(TPCMPNER0R0 (CMPEQ r0, r0), PR:$src2) )>;
/* one possible routine for XOR on predicates is:
// Compute px = py ^ pz
// using sum of products: px = (py & !pz) | (pz & !py)
// Uses 5 instructions in 3 cycles.
// cycle 1
(pz) cmp.eq.unc px = r0, r0 // px = pz
(py) cmp.eq.unc pt = r0, r0 // pt = py
;;
// cycle 2
(pt) cmp.ne.and px = r0, r0 // px = px & !pt (px = pz & !pt)
(pz) cmp.ne.and pt = r0, r0 // pt = pt & !pz
;;
} { .mmi
// cycle 3
(pt) cmp.eq.or px = r0, r0 // px = px | pt
*** Another, which we use here, requires one scratch GR. it is:
mov rt = 0 // initialize rt off critical path
;;
// cycle 1
(pz) cmp.eq.unc px = r0, r0 // px = pz
(pz) mov rt = 1 // rt = pz
;;
// cycle 2
(py) cmp.ne px = 1, rt // if (py) px = !pz
.. these routines kindly provided by Jim Hull
*/
def bXOR : Pat<(xor PR:$src1, PR:$src2),
(TPCMPIMM8NE (PCMPEQUNCR0R0 PR:$src2), 1,
(TPCADDS (ADDS r0, 0), 1, PR:$src2),
PR:$src1)>;
def XOR : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"xor $dst = $src1, $src2",
[(set GR:$dst, (xor GR:$src1, GR:$src2))]>, isA;
def SHLADD: AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1,s64imm:$imm,GR:$src2),
"shladd $dst = $src1, $imm, $src2",
[(set GR:$dst, (add GR:$src2, (shl GR:$src1, isSHLADDimm:$imm)))]>, isA;
def SHL : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"shl $dst = $src1, $src2",
[(set GR:$dst, (shl GR:$src1, GR:$src2))]>, isI;
def SHRU : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"shr.u $dst = $src1, $src2",
[(set GR:$dst, (srl GR:$src1, GR:$src2))]>, isI;
def SHRS : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, GR:$src2),
"shr $dst = $src1, $src2",
[(set GR:$dst, (sra GR:$src1, GR:$src2))]>, isI;
def MOV : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src), "mov $dst = $src">, isA;
def FMOV : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"mov $dst = $src">, isF; // XXX: there _is_ no fmov
def PMOV : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src, PR:$qp),
"($qp) mov $dst = $src">, isA;
def SPILL_ALL_PREDICATES_TO_GR : AForm<0x03, 0x0b, (outs GR:$dst), (ins),
"mov $dst = pr">, isI;
def FILL_ALL_PREDICATES_FROM_GR : AForm<0x03, 0x0b, (outs), (ins GR:$src),
"mov pr = $src">, isI;
let isTwoAddress = 1 in {
def CMOV : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src2, GR:$src, PR:$qp),
"($qp) mov $dst = $src">, isA;
}
def PFMOV : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src, PR:$qp),
"($qp) mov $dst = $src">, isF;
let isTwoAddress = 1 in {
def CFMOV : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src2, FP:$src, PR:$qp),
"($qp) mov $dst = $src">, isF;
}
def SELECTINT : Pat<(select PR:$which, GR:$src1, GR:$src2),
(CMOV (MOV GR:$src2), GR:$src1, PR:$which)>; // note order!
def SELECTFP : Pat<(select PR:$which, FP:$src1, FP:$src2),
(CFMOV (FMOV FP:$src2), FP:$src1, PR:$which)>; // note order!
// TODO: can do this faster, w/o using any integer regs (see pattern isel)
def SELECTBOOL : Pat<(select PR:$which, PR:$src1, PR:$src2), // note order!
(CMPNE (CMOV
(MOV (TPCADDIMM22 (ADDS r0, 0), 1, PR:$src2)),
(TPCADDIMM22 (ADDS r0, 0), 1, PR:$src1), PR:$which), r0)>;
// load constants of various sizes // FIXME: prettyprint -ve constants
def : Pat<(i64 immSExt14:$imm), (ADDS r0, immSExt14:$imm)>;
def : Pat<(i1 -1), (CMPEQ r0, r0)>; // TODO: this should just be a ref to p0
def : Pat<(i1 0), (CMPNE r0, r0)>; // TODO: any instruction actually *using*
// this predicate should be killed!
// TODO: support postincrement (reg, imm9) loads+stores - this needs more
// tablegen support
def IUSE : PseudoInstIA64<(outs), (ins variable_ops), "// IUSE">;
def ADJUSTCALLSTACKUP : PseudoInstIA64<(outs), (ins variable_ops),
"// ADJUSTCALLSTACKUP">;
def ADJUSTCALLSTACKDOWN : PseudoInstIA64<(outs), (ins variable_ops),
"// ADJUSTCALLSTACKDOWN">;
def PSEUDO_ALLOC : PseudoInstIA64<(outs), (ins GR:$foo), "// PSEUDO_ALLOC">;
def ALLOC : AForm<0x03, 0x0b,
(outs GR:$dst), (ins i8imm:$inputs, i8imm:$locals, i8imm:$outputs, i8imm:$rotating),
"alloc $dst = ar.pfs,$inputs,$locals,$outputs,$rotating">, isM;
let isTwoAddress = 1 in {
def TCMPNE : AForm<0x03, 0x0b,
(outs PR:$dst), (ins PR:$src2, GR:$src3, GR:$src4),
"cmp.ne $dst, p0 = $src3, $src4">, isA;
def TPCMPEQOR : AForm<0x03, 0x0b,
(outs PR:$dst), (ins PR:$src2, GR:$src3, GR:$src4, PR:$qp),
"($qp) cmp.eq.or $dst, p0 = $src3, $src4">, isA;
def TPCMPNE : AForm<0x03, 0x0b,
(outs PR:$dst), (ins PR:$src2, GR:$src3, GR:$src4, PR:$qp),
"($qp) cmp.ne $dst, p0 = $src3, $src4">, isA;
def TPCMPEQ : AForm<0x03, 0x0b,
(outs PR:$dst), (ins PR:$src2, GR:$src3, GR:$src4, PR:$qp),
"($qp) cmp.eq $dst, p0 = $src3, $src4">, isA;
}
def MOVSIMM14 : AForm<0x03, 0x0b, (outs GR:$dst), (ins s14imm:$imm),
"mov $dst = $imm">, isA;
def MOVSIMM22 : AForm<0x03, 0x0b, (outs GR:$dst), (ins s22imm:$imm),
"mov $dst = $imm">, isA;
def MOVLIMM64 : AForm<0x03, 0x0b, (outs GR:$dst), (ins s64imm:$imm),
"movl $dst = $imm">, isLX;
def SHLI : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, u6imm:$imm),
"shl $dst = $src1, $imm">, isI;
def SHRUI : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, u6imm:$imm),
"shr.u $dst = $src1, $imm">, isI;
def SHRSI : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, u6imm:$imm),
"shr $dst = $src1, $imm">, isI;
def EXTRU : AForm<0x03, 0x0b,
(outs GR:$dst), (ins GR:$src1, u6imm:$imm1, u6imm:$imm2),
"extr.u $dst = $src1, $imm1, $imm2">, isI;
def DEPZ : AForm<0x03, 0x0b,
(outs GR:$dst), (ins GR:$src1, u6imm:$imm1, u6imm:$imm2),
"dep.z $dst = $src1, $imm1, $imm2">, isI;
def PCMPEQOR : AForm<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2, PR:$qp),
"($qp) cmp.eq.or $dst, p0 = $src1, $src2">, isA;
def PCMPEQUNC : AForm<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2, PR:$qp),
"($qp) cmp.eq.unc $dst, p0 = $src1, $src2">, isA;
def PCMPNE : AForm<0x03, 0x0b, (outs PR:$dst), (ins GR:$src1, GR:$src2, PR:$qp),
"($qp) cmp.ne $dst, p0 = $src1, $src2">, isA;
// two destinations!
def BCMPEQ : AForm<0x03, 0x0b, (outs PR:$dst1, PR:$dst2), (ins GR:$src1, GR:$src2),
"cmp.eq $dst1, dst2 = $src1, $src2">, isA;
def ADDIMM14 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, s14imm:$imm),
"adds $dst = $imm, $src1">, isA;
def ADDIMM22 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, s22imm:$imm),
"add $dst = $imm, $src1">, isA;
def CADDIMM22 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$src1, s22imm:$imm, PR:$qp),
"($qp) add $dst = $imm, $src1">, isA;
def SUBIMM8 : AForm<0x03, 0x0b, (outs GR:$dst), (ins s8imm:$imm, GR:$src2),
"sub $dst = $imm, $src2">, isA;
let mayStore = 1 in {
def ST1 : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, GR:$value),
"st1 [$dstPtr] = $value">, isM;
def ST2 : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, GR:$value),
"st2 [$dstPtr] = $value">, isM;
def ST4 : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, GR:$value),
"st4 [$dstPtr] = $value">, isM;
def ST8 : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, GR:$value),
"st8 [$dstPtr] = $value">, isM;
def STF4 : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, FP:$value),
"stfs [$dstPtr] = $value">, isM;
def STF8 : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, FP:$value),
"stfd [$dstPtr] = $value">, isM;
def STF_SPILL : AForm<0x03, 0x0b, (outs), (ins GR:$dstPtr, FP:$value),
"stf.spill [$dstPtr] = $value">, isM;
}
let isSimpleLoad = 1 in {
def LD1 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$srcPtr),
"ld1 $dst = [$srcPtr]">, isM;
def LD2 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$srcPtr),
"ld2 $dst = [$srcPtr]">, isM;
def LD4 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$srcPtr),
"ld4 $dst = [$srcPtr]">, isM;
def LD8 : AForm<0x03, 0x0b, (outs GR:$dst), (ins GR:$srcPtr),
"ld8 $dst = [$srcPtr]">, isM;
def LDF4 : AForm<0x03, 0x0b, (outs FP:$dst), (ins GR:$srcPtr),
"ldfs $dst = [$srcPtr]">, isM;
def LDF8 : AForm<0x03, 0x0b, (outs FP:$dst), (ins GR:$srcPtr),
"ldfd $dst = [$srcPtr]">, isM;
def LDF_FILL : AForm<0x03, 0x0b, (outs FP:$dst), (ins GR:$srcPtr),
"ldf.fill $dst = [$srcPtr]">, isM;
}
def POPCNT : AForm_DAG<0x03, 0x0b, (outs GR:$dst), (ins GR:$src),
"popcnt $dst = $src",
[(set GR:$dst, (ctpop GR:$src))]>, isI;
// some FP stuff: // TODO: single-precision stuff?
def FADD : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2),
"fadd $dst = $src1, $src2",
[(set FP:$dst, (fadd FP:$src1, FP:$src2))]>, isF;
def FADDS: AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2),
"fadd.s $dst = $src1, $src2">, isF;
def FSUB : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2),
"fsub $dst = $src1, $src2",
[(set FP:$dst, (fsub FP:$src1, FP:$src2))]>, isF;
def FMPY : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2),
"fmpy $dst = $src1, $src2",
[(set FP:$dst, (fmul FP:$src1, FP:$src2))]>, isF;
def FMA : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"fma $dst = $src1, $src2, $src3",
[(set FP:$dst, (fadd (fmul FP:$src1, FP:$src2), FP:$src3))]>, isF;
def FMS : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"fms $dst = $src1, $src2, $src3",
[(set FP:$dst, (fsub (fmul FP:$src1, FP:$src2), FP:$src3))]>, isF;
def FNMA : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"fnma $dst = $src1, $src2, $src3",
[(set FP:$dst, (fneg (fadd (fmul FP:$src1, FP:$src2), FP:$src3)))]>, isF;
def FABS : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fabs $dst = $src",
[(set FP:$dst, (fabs FP:$src))]>, isF;
def FNEG : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fneg $dst = $src",
[(set FP:$dst, (fneg FP:$src))]>, isF;
def FNEGABS : AForm_DAG<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fnegabs $dst = $src",
[(set FP:$dst, (fneg (fabs FP:$src)))]>, isF;
let isTwoAddress=1 in {
def TCFMAS1 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$bogussrc, FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fma.s1 $dst = $src1, $src2, $src3">, isF;
def TCFMADS0 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$bogussrc, FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fma.d.s0 $dst = $src1, $src2, $src3">, isF;
}
def CFMAS1 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fma.s1 $dst = $src1, $src2, $src3">, isF;
def CFNMAS1 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fnma.s1 $dst = $src1, $src2, $src3">, isF;
def CFMADS1 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fma.d.s1 $dst = $src1, $src2, $src3">, isF;
def CFMADS0 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fma.d.s0 $dst = $src1, $src2, $src3">, isF;
def CFNMADS1 : AForm<0x03, 0x0b,
(outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3, PR:$qp),
"($qp) fnma.d.s1 $dst = $src1, $src2, $src3">, isF;
def FRCPAS0 : AForm<0x03, 0x0b, (outs FP:$dstFR, PR:$dstPR), (ins FP:$src1, FP:$src2),
"frcpa.s0 $dstFR, $dstPR = $src1, $src2">, isF;
def FRCPAS1 : AForm<0x03, 0x0b, (outs FP:$dstFR, PR:$dstPR), (ins FP:$src1, FP:$src2),
"frcpa.s1 $dstFR, $dstPR = $src1, $src2">, isF;
def XMAL : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src1, FP:$src2, FP:$src3),
"xma.l $dst = $src1, $src2, $src3">, isF;
def FCVTXF : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.xf $dst = $src">, isF;
def FCVTXUF : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.xuf $dst = $src">, isF;
def FCVTXUFS1 : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.xuf.s1 $dst = $src">, isF;
def FCVTFX : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.fx $dst = $src">, isF;
def FCVTFXU : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.fxu $dst = $src">, isF;
def FCVTFXTRUNC : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.fx.trunc $dst = $src">, isF;
def FCVTFXUTRUNC : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.fxu.trunc $dst = $src">, isF;
def FCVTFXTRUNCS1 : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.fx.trunc.s1 $dst = $src">, isF;
def FCVTFXUTRUNCS1 : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fcvt.fxu.trunc.s1 $dst = $src">, isF;
def FNORMD : AForm<0x03, 0x0b, (outs FP:$dst), (ins FP:$src),
"fnorm.d $dst = $src">, isF;
def GETFD : AForm<0x03, 0x0b, (outs GR:$dst), (ins FP:$src),
"getf.d $dst = $src">, isM;
def SETFD : AForm<0x03, 0x0b, (outs FP:$dst), (ins GR:$src),
"setf.d $dst = $src">, isM;
def GETFSIG : AForm<0x03, 0x0b, (outs GR:$dst), (ins FP:$src),
"getf.sig $dst = $src">, isM;
def SETFSIG : AForm<0x03, 0x0b, (outs FP:$dst), (ins GR:$src),
"setf.sig $dst = $src">, isM;
// these four FP<->int conversion patterns need checking/cleaning
def SINT_TO_FP : Pat<(sint_to_fp GR:$src),
(FNORMD (FCVTXF (SETFSIG GR:$src)))>;
def UINT_TO_FP : Pat<(uint_to_fp GR:$src),
(FNORMD (FCVTXUF (SETFSIG GR:$src)))>;
def FP_TO_SINT : Pat<(i64 (fp_to_sint FP:$src)),
(GETFSIG (FCVTFXTRUNC FP:$src))>;
def FP_TO_UINT : Pat<(i64 (fp_to_uint FP:$src)),
(GETFSIG (FCVTFXUTRUNC FP:$src))>;
def fpimm0 : PatLeaf<(fpimm), [{
return N->isExactlyValue(+0.0);
}]>;
def fpimm1 : PatLeaf<(fpimm), [{
return N->isExactlyValue(+1.0);
}]>;
def fpimmn0 : PatLeaf<(fpimm), [{
return N->isExactlyValue(-0.0);
}]>;
def fpimmn1 : PatLeaf<(fpimm), [{
return N->isExactlyValue(-1.0);
}]>;
def : Pat<(f64 fpimm0), (FMOV F0)>;
def : Pat<(f64 fpimm1), (FMOV F1)>;
def : Pat<(f64 fpimmn0), (FNEG F0)>;
def : Pat<(f64 fpimmn1), (FNEG F1)>;
let isTerminator = 1, isBranch = 1 in {
def BRL_NOTCALL : RawForm<0x03, 0xb0, (outs), (ins i64imm:$dst),
"(p0) brl.cond.sptk $dst">, isB;
def BRLCOND_NOTCALL : RawForm<0x03, 0xb0, (outs), (ins PR:$qp, i64imm:$dst),
"($qp) brl.cond.sptk $dst">, isB;
def BRCOND_NOTCALL : RawForm<0x03, 0xb0, (outs), (ins PR:$qp, GR:$dst),
"($qp) br.cond.sptk $dst">, isB;
}
let isCall = 1, /* isTerminator = 1, isBranch = 1, */
Uses = [out0,out1,out2,out3,out4,out5,out6,out7],
// all calls clobber non-callee-saved registers, and for now, they are these:
Defs = [r2,r3,r8,r9,r10,r11,r14,r15,r16,r17,r18,r19,r20,r21,r22,r23,r24,
r25,r26,r27,r28,r29,r30,r31,
p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,
F6,F7,F8,F9,F10,F11,F12,F13,F14,F15,
F32,F33,F34,F35,F36,F37,F38,F39,F40,F41,F42,F43,F44,F45,F46,F47,F48,F49,
F50,F51,F52,F53,F54,F55,F56,
F57,F58,F59,F60,F61,F62,F63,F64,F65,F66,F67,F68,F69,F70,F71,F72,F73,F74,
F75,F76,F77,F78,F79,F80,F81,
F82,F83,F84,F85,F86,F87,F88,F89,F90,F91,F92,F93,F94,F95,F96,F97,F98,F99,
F100,F101,F102,F103,F104,F105,
F106,F107,F108,F109,F110,F111,F112,F113,F114,F115,F116,F117,F118,F119,
F120,F121,F122,F123,F124,F125,F126,F127,
out0,out1,out2,out3,out4,out5,out6,out7] in {
// old pattern call
def BRCALL: RawForm<0x03, 0xb0, (outs), (ins calltarget:$dst),
"br.call.sptk rp = $dst">, isB; // FIXME: teach llvm about branch regs?
// new daggy stuff!
// calls a globaladdress
def BRCALL_IPREL_GA : RawForm<0x03, 0xb0, (outs), (ins calltarget:$dst),
"br.call.sptk rp = $dst">, isB; // FIXME: teach llvm about branch regs?
// calls an externalsymbol
def BRCALL_IPREL_ES : RawForm<0x03, 0xb0, (outs), (ins calltarget:$dst),
"br.call.sptk rp = $dst">, isB; // FIXME: teach llvm about branch regs?
// calls through a function descriptor
def BRCALL_INDIRECT : RawForm<0x03, 0xb0, (outs), (ins GR:$branchreg),
"br.call.sptk rp = $branchreg">, isB; // FIXME: teach llvm about branch regs?
def BRLCOND_CALL : RawForm<0x03, 0xb0, (outs), (ins PR:$qp, i64imm:$dst),
"($qp) brl.cond.call.sptk $dst">, isB;
def BRCOND_CALL : RawForm<0x03, 0xb0, (outs), (ins PR:$qp, GR:$dst),
"($qp) br.cond.call.sptk $dst">, isB;
}
// Return branch:
let isTerminator = 1, isReturn = 1 in
def RET : AForm_DAG<0x03, 0x0b, (outs), (ins),
"br.ret.sptk.many rp",
[(retflag)]>, isB; // return
def : Pat<(ret), (RET)>;
// the evil stop bit of despair
def STOP : PseudoInstIA64<(outs), (ins variable_ops), ";;">;
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