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Cranelift AArch64: Migrate Splat to ISLE (#4521)

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Copyright (c) 2022, Arm Limited.
This commit is contained in:
Anton Kirilov
2022-07-26 18:57:15 +01:00
committed by GitHub
parent 1321c234e5
commit ead6edb0c5
21 changed files with 593 additions and 338 deletions
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13
cranelift/codegen/src/isa/aarch64/inst/emit.rs
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@@ -2258,10 +2258,10 @@ impl MachInstEmit for Inst {
ScalarSize::Size16 => 0b00010,
ScalarSize::Size32 => 0b00100,
ScalarSize::Size64 => 0b01000,
_ => unimplemented!("Unexpected VectorSize: {:?}", size),
_ => unreachable!(),
};
sink.put4(
0b000_01110000_00000_000011_00000_00000
0b0_0_0_01110000_00000_000011_00000_00000
| (q << 30)
| (imm5 << 16)
| (machreg_to_gpr(rn) << 5)
@@ -2625,13 +2625,18 @@ impl MachInstEmit for Inst {
};
sink.put4(enc_vec_rrr(top11 | q << 9, rm, bit15_10, rn, rd));
}
&Inst::VecLoadReplicate { rd, rn, size } => {
&Inst::VecLoadReplicate {
rd,
rn,
size,
flags,
} => {
let rd = allocs.next_writable(rd);
let rn = allocs.next(rn);
let (q, size) = size.enc_size();
let srcloc = state.cur_srcloc();
if srcloc != SourceLoc::default() {
if srcloc != SourceLoc::default() && !flags.notrap() {
// Register the offset at which the actual load instruction starts.
sink.add_trap(TrapCode::HeapOutOfBounds);
}