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Merge pull request #3383 from akirilov-arm/vany_true

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Cranelift AArch64: Fix the VanyTrue implementation for 64-bit elements
This commit is contained in:
Chris Fallin
2021-09-24 09:26:36 -07:00
committed by GitHub
parent 26ef5128c4 0fb3acfb94
commit 344a219245
4 changed files with 83 additions and 9 deletions
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6
cranelift/codegen/src/isa/aarch64/inst/emit.rs
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@@ -2338,7 +2338,11 @@ impl MachInstEmit for Inst {
VecALUOp::Orr => (0b000_01110_10_1, 0b000111),
VecALUOp::Eor => (0b001_01110_00_1, 0b000111),
VecALUOp::Bsl => (0b001_01110_01_1, 0b000111),
VecALUOp::Umaxp => (0b001_01110_00_1 | enc_size << 1, 0b101001),
VecALUOp::Umaxp => {
debug_assert_ne!(size, VectorSize::Size64x2);
(0b001_01110_00_1 | enc_size << 1, 0b101001)
}
VecALUOp::Add => (0b000_01110_00_1 | enc_size << 1, 0b100001),
VecALUOp::Sub => (0b001_01110_00_1 | enc_size << 1, 0b100001),
VecALUOp::Mul => {

10
cranelift/codegen/src/isa/aarch64/lower_inst.rs
View File

@@ -2397,7 +2397,15 @@ pub(crate) fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
// cmp xm, #0
// cset xm, ne
let size = VectorSize::from_ty(ctx.input_ty(insn, 0));
let s = VectorSize::from_ty(src_ty);
let size = if s == VectorSize::Size64x2 {
// `vall_true` with 64-bit elements is handled elsewhere.
debug_assert_ne!(op, Opcode::VallTrue);
VectorSize::Size32x4
} else {
s
};
if op == Opcode::VanyTrue {
ctx.emit(Inst::VecRRR {