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Adds support for signed packed integer conversion to float

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f32x4.convert_i32x4_s
This commit is contained in:
Johnnie Birch
2020-10-13 18:45:27 -07:00
parent 2dad74f9d0
commit f27c0f3434
4 changed files with 45 additions and 20 deletions
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53
cranelift/codegen/src/isa/x64/lower.rs
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@@ -2141,28 +2141,41 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
}
Opcode::FcvtFromSint => {
let (ext_spec, src_size) = match ctx.input_ty(insn, 0) {
types::I8 | types::I16 => (Some(ExtSpec::SignExtendTo32), OperandSize::Size32),
types::I32 => (None, OperandSize::Size32),
types::I64 => (None, OperandSize::Size64),
_ => unreachable!(),
};
let src = match ext_spec {
Some(ext_spec) => RegMem::reg(extend_input_to_reg(ctx, inputs[0], ext_spec)),
None => input_to_reg_mem(ctx, inputs[0]),
};
let output_ty = ty.unwrap();
let opcode = if output_ty == types::F32 {
SseOpcode::Cvtsi2ss
} else {
assert_eq!(output_ty, types::F64);
SseOpcode::Cvtsi2sd
};
if !output_ty.is_vector() {
let (ext_spec, src_size) = match ctx.input_ty(insn, 0) {
types::I8 | types::I16 => (Some(ExtSpec::SignExtendTo32), OperandSize::Size32),
types::I32 => (None, OperandSize::Size32),
types::I64 => (None, OperandSize::Size64),
_ => unreachable!(),
};
let dst = get_output_reg(ctx, outputs[0]);
ctx.emit(Inst::gpr_to_xmm(opcode, src, src_size, dst));
let src = match ext_spec {
Some(ext_spec) => RegMem::reg(extend_input_to_reg(ctx, inputs[0], ext_spec)),
None => input_to_reg_mem(ctx, inputs[0]),
};
let opcode = if output_ty == types::F32 {
SseOpcode::Cvtsi2ss
} else {
assert_eq!(output_ty, types::F64);
SseOpcode::Cvtsi2sd
};
let dst = get_output_reg(ctx, outputs[0]);
ctx.emit(Inst::gpr_to_xmm(opcode, src, src_size, dst));
} else {
let ty = ty.unwrap();
let src = put_input_in_reg(ctx, inputs[0]);
let dst = get_output_reg(ctx, outputs[0]);
let opcode = match ctx.input_ty(insn, 0) {
types::I32X4 => SseOpcode::Cvtdq2ps,
_ => {
unimplemented!("unable to use type {} for op {}", ctx.input_ty(insn, 0), op)
}
};
ctx.emit(Inst::gen_move(dst, src, ty));
ctx.emit(Inst::xmm_rm_r(opcode, RegMem::from(dst), dst));
}
}
Opcode::FcvtFromUint => {