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-rw-r--r--llvm/lib/Target/ARM/ARMInstrFormats.td1
-rw-r--r--llvm/lib/Target/ARM/ARMInstrInfo.td18
-rw-r--r--llvm/lib/Target/ARM/ARMInstrThumb2.td3
-rw-r--r--llvm/lib/Target/ARM/ARMInstrVFP.td11
-rw-r--r--llvm/lib/Target/ARM/ARMScheduleM4.td24
5 files changed, 40 insertions, 17 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrFormats.td b/llvm/lib/Target/ARM/ARMInstrFormats.td
index 53af05cf5f4..dd14ebda707 100644
--- a/llvm/lib/Target/ARM/ARMInstrFormats.td
+++ b/llvm/lib/Target/ARM/ARMInstrFormats.td
@@ -465,6 +465,7 @@ class AsmPseudoInst<string asm, dag iops, dag oops = (outs)>
let isCodeGenOnly = 0; // So we get asm matcher for it.
let AsmString = asm;
let isPseudo = 1;
+ let hasNoSchedulingInfo = 1;
}
class ARMAsmPseudo<string asm, dag iops, dag oops = (outs)>
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td
index 766c87ed8c5..e25260d8b47 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -1967,7 +1967,7 @@ multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
/// the function. The first operand is the ID# for this instruction, the second
/// is the index into the MachineConstantPool that this is, the third is the
/// size in bytes of this constant pool entry.
-let hasSideEffects = 0, isNotDuplicable = 1 in
+let hasSideEffects = 0, isNotDuplicable = 1, hasNoSchedulingInfo = 1 in
def CONSTPOOL_ENTRY :
PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
i32imm:$size), NoItinerary, []>;
@@ -4895,14 +4895,13 @@ def SB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "sb", "", []>,
let hasSideEffects = 1;
}
-let usesCustomInserter = 1, Defs = [CPSR] in {
-
-// Pseudo instruction that combines movs + predicated rsbmi
-// to implement integer ABS
+let usesCustomInserter = 1, Defs = [CPSR], hasNoSchedulingInfo = 1 in {
+ // Pseudo instruction that combines movs + predicated rsbmi
+ // to implement integer ABS
def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
}
-let usesCustomInserter = 1, Defs = [CPSR] in {
+let usesCustomInserter = 1, Defs = [CPSR], hasNoSchedulingInfo = 1 in {
def COPY_STRUCT_BYVAL_I32 : PseudoInst<
(outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
NoItinerary,
@@ -5604,12 +5603,12 @@ def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
[SDNPHasChain, SDNPSideEffect]>;
-let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
+let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP], hasNoSchedulingInfo = 1 in
def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
[SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
-let usesCustomInserter = 1, Defs = [CPSR] in
+let usesCustomInserter = 1, Defs = [CPSR], hasNoSchedulingInfo = 1 in
def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
[(win__dbzchk tGPR:$divisor)]>;
@@ -6156,7 +6155,7 @@ def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
ComplexDeprecationPredicate<"IT">;
-let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
+let mayLoad = 1, mayStore =1, hasSideEffects = 1, hasNoSchedulingInfo = 1 in
def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
NoItinerary,
[(set GPR:$Rd, (int_arm_space timm:$size, GPR:$Rn))]>;
@@ -6199,4 +6198,5 @@ def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
let hasSideEffects = 1;
let Size = 0;
let AsmString = "@ COMPILER BARRIER";
+ let hasNoSchedulingInfo = 1;
}
diff --git a/llvm/lib/Target/ARM/ARMInstrThumb2.td b/llvm/lib/Target/ARM/ARMInstrThumb2.td
index b165b85a433..ef5d0908b77 100644
--- a/llvm/lib/Target/ARM/ARMInstrThumb2.td
+++ b/llvm/lib/Target/ARM/ARMInstrThumb2.td
@@ -4086,7 +4086,7 @@ def t2LDRpci_pic : PseudoInst<(outs rGPR:$dst), (ins i32imm:$addr, pclabel:$cp),
// Pseudo isntruction that combines movs + predicated rsbmi
// to implement integer ABS
-let usesCustomInserter = 1, Defs = [CPSR] in {
+let usesCustomInserter = 1, Defs = [CPSR], hasNoSchedulingInfo = 1 in {
def t2ABS : PseudoInst<(outs rGPR:$dst), (ins rGPR:$src),
NoItinerary, []>, Requires<[IsThumb2]>;
}
@@ -5088,6 +5088,7 @@ def t2BF_LabelPseudo
: t2PseudoInst<(outs ), (ins pclabel:$cp), 0, NoItinerary, []> {
let isTerminator = 1;
let Predicates = [IsThumb2, HasV8_1MMainline, HasLOB];
+ let hasNoSchedulingInfo = 1;
}
def t2BFi : t2BF<(ins bflabel_u4:$b_label, bflabel_s16:$label, pred:$p),
diff --git a/llvm/lib/Target/ARM/ARMInstrVFP.td b/llvm/lib/Target/ARM/ARMInstrVFP.td
index 4a95630ab7e..d3380ab7cef 100644
--- a/llvm/lib/Target/ARM/ARMInstrVFP.td
+++ b/llvm/lib/Target/ARM/ARMInstrVFP.td
@@ -324,7 +324,7 @@ defm : VFPDTAnyInstAlias<"vpop${p}", "$r",
// However, there is no UAL syntax for them, so we keep them around for
// (dis)assembly only.
multiclass vfp_ldstx_mult<string asm, bit L_bit> {
- let Predicates = [HasFPRegs] in {
+ let Predicates = [HasFPRegs], hasNoSchedulingInfo = 1 in {
// Unknown precision
def XIA :
AXXI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
@@ -1732,7 +1732,8 @@ def VTOSHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 0,
def VTOUHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 0,
(outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
- IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits", []> {
+ IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits", []>,
+ Sched<[WriteFPCVT]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
@@ -1740,7 +1741,8 @@ def VTOUHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 0,
def VTOSLS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 1,
(outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
- IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits", []> {
+ IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits", []>,
+ Sched<[WriteFPCVT]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
@@ -1748,7 +1750,8 @@ def VTOSLS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 1,
def VTOULS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 1,
(outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
- IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits", []> {
+ IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits", []>,
+ Sched<[WriteFPCVT]> {
// Some single precision VFP instructions may be executed on both NEON and
// VFP pipelines on A8.
let D = VFPNeonA8Domain;
diff --git a/llvm/lib/Target/ARM/ARMScheduleM4.td b/llvm/lib/Target/ARM/ARMScheduleM4.td
index 38c8ea2b4f3..bfa5fc0d713 100644
--- a/llvm/lib/Target/ARM/ARMScheduleM4.td
+++ b/llvm/lib/Target/ARM/ARMScheduleM4.td
@@ -18,6 +18,9 @@ def CortexM4Model : SchedMachineModel {
let PostRAScheduler = 1;
let CompleteModel = 0;
+ let UnsupportedFeatures = [IsARM, HasNEON, HasDotProd, HasZCZ, HasMVEInt,
+ IsNotMClass, HasDPVFP, HasFPARMv8, HasFullFP16, Has8MSecExt, HasV8,
+ HasV8_3a, HasTrustZone, HasDFB, IsWindows];
}
@@ -50,6 +53,7 @@ def : M4UnitL2<WriteMAC16>;
def : M4UnitL2<WriteDIV>;
def : M4UnitL2I<(instregex "(t|t2)LDM")>;
+def : M4UnitL2I<(instregex "(t|t2)LDR")>;
// Stores we use a latency of 1 as they have no outputs
@@ -78,9 +82,20 @@ def : M4UnitL1<WriteNoop>;
def : M4UnitL1<WritePreLd>;
def : M4UnitL1I<(instregex "(t|t2)MOV")>;
def : M4UnitL1I<(instrs COPY)>;
-def : M4UnitL1I<(instregex "t2IT")>;
-def : M4UnitL1I<(instregex "t2SEL", "t2USAD8",
- "t2(S|Q|SH|U|UQ|UH)(ADD16|ASX|SAX|SUB16|ADD8|SUB8)", "t2USADA8", "(t|t2)REV")>;
+def : M4UnitL1I<(instregex "t2IT", "t2MSR", "t2MRS")>;
+def : M4UnitL1I<(instregex "t2CLREX")>;
+def : M4UnitL1I<(instregex "t2SEL", "t2USAD8", "t2SML[AS]",
+ "t2(S|Q|SH|U|UQ|UH|QD)(ADD|ASX|SAX|SUB)", "t2USADA8", "(t|t2)REV")>;
+
+// These instructions are not of much interest to scheduling as they will not
+// be generated or it is not very useful to schedule them. They are here to make
+// the model more complete.
+def : M4UnitL1I<(instregex "t2CDP", "t2LDC", "t2MCR", "t2MRC", "t2MRRC", "t2STC")>;
+def : M4UnitL1I<(instregex "tCPS", "t2ISB", "t2DSB", "t2DMB", "t2?HINT$")>;
+def : M4UnitL1I<(instregex "t2?UDF$", "tBKPT", "t2DBG")>;
+def : M4UnitL1I<(instregex "t?2?Int_eh_sjlj_", "tADDframe", "t?ADJCALL")>;
+def : M4UnitL1I<(instregex "CMP_SWAP", "JUMPTABLE", "MEMCPY")>;
+def : M4UnitL1I<(instregex "VSETLNi32", "VGETLNi32")>;
def : ReadAdvance<ReadALU, 0>;
def : ReadAdvance<ReadALUsr, 0>;
@@ -112,6 +127,9 @@ def : M4UnitL1<WriteVST1>;
def : M4UnitL1<WriteVST2>;
def : M4UnitL1<WriteVST3>;
def : M4UnitL1<WriteVST4>;
+def : M4UnitL1I<(instregex "VMOVS", "FCONSTS", "VCMP", "VNEG", "VABS")>;
+def : M4UnitL2I<(instregex "VMOVD")>;
+def : M4UnitL1I<(instregex "VMRS", "VMSR", "FMSTAT")>;
def : ReadAdvance<ReadFPMUL, 0>;
def : ReadAdvance<ReadFPMAC, 0>;
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