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Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/ARM/ARMInstrInfo.td')
-rw-r--r--contrib/llvm-project/llvm/lib/Target/ARM/ARMInstrInfo.td19
1 files changed, 15 insertions, 4 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/ARM/ARMInstrInfo.td b/contrib/llvm-project/llvm/lib/Target/ARM/ARMInstrInfo.td
index 1c1db473f866..32a3911d3369 100644
--- a/contrib/llvm-project/llvm/lib/Target/ARM/ARMInstrInfo.td
+++ b/contrib/llvm-project/llvm/lib/Target/ARM/ARMInstrInfo.td
@@ -3657,6 +3657,8 @@ def : InstAlias<"mov${p} $Rd, $imm",
(MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
Requires<[IsARM, HasV6T2]>;
+// This gets lowered to a single 4-byte instructions
+let Size = 4 in
def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
(ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
Sched<[WriteALU]>;
@@ -3680,6 +3682,8 @@ def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
let DecoderMethod = "DecodeArmMOVTWInstruction";
}
+// This gets lowered to a single 4-byte instructions
+let Size = 4 in
def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
(ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
Sched<[WriteALU]>;
@@ -5895,27 +5899,30 @@ def : ARMPat<(ARMthread_pointer), (MRC 15, 0, 13, 0, 3)>,
//
// These are pseudo-instructions and are lowered to individual MC-insts, so
// no encoding information is necessary.
+// This gets lowered to an instruction sequence of 20 bytes
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
- hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
+ hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1, Size = 20 in {
def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
Requires<[IsARM, HasVFP2]>;
}
+// This gets lowered to an instruction sequence of 20 bytes
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
- hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
+ hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1, Size = 20 in {
def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
Requires<[IsARM, NoVFP]>;
}
+// This gets lowered to an instruction sequence of 16 bytes
// FIXME: Non-IOS version(s)
-let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
+let isBarrier = 1, hasSideEffects = 1, isTerminator = 1, Size = 16,
Defs = [ R7, LR, SP ] in {
def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
NoItinerary,
@@ -5958,7 +5965,7 @@ let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in
// This is a single pseudo instruction, the benefit is that it can be remat'd
// as a single unit instead of having to handle reg inputs.
// FIXME: Remove this when we can do generalized remat.
-let isReMaterializable = 1, isMoveImm = 1 in
+let isReMaterializable = 1, isMoveImm = 1, Size = 8 in
def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
[(set GPR:$dst, (arm_i32imm:$src))]>,
Requires<[IsARM]>;
@@ -6419,8 +6426,12 @@ def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
// SpeculationBarrierEndBB must only be used after an unconditional control
// flow, i.e. after a terminator for which isBarrier is True.
let hasSideEffects = 1, isCodeGenOnly = 1, isTerminator = 1, isBarrier = 1 in {
+ // This gets lowered to a pair of 4-byte instructions
+ let Size = 8 in
def SpeculationBarrierISBDSBEndBB
: PseudoInst<(outs), (ins), NoItinerary, []>, Sched<[]>;
+ // This gets lowered to a single 4-byte instructions
+ let Size = 4 in
def SpeculationBarrierSBEndBB
: PseudoInst<(outs), (ins), NoItinerary, []>, Sched<[]>;
}