T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[machinst x64]: implement packed pmin/pmax

Browse Source
This commit is contained in:
Andrew Brown
2020-10-28 11:19:41 -07:00
parent 6725b6b129
commit 6c6d958f38
2 changed files with 22 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
cranelift/codegen/src/isa/x64/lower.rs
View File

@@ -2167,6 +2167,22 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
}
}
Opcode::FminPseudo | Opcode::FmaxPseudo => {
let lhs = input_to_reg_mem(ctx, inputs[0]);
let rhs = put_input_in_reg(ctx, inputs[1]);
let dst = get_output_reg(ctx, outputs[0]);
let ty = ty.unwrap();
ctx.emit(Inst::gen_move(dst, rhs, ty));
let sse_opcode = match (ty, op) {
(types::F32X4, Opcode::FminPseudo) => SseOpcode::Minps,
(types::F32X4, Opcode::FmaxPseudo) => SseOpcode::Maxps,
(types::F64X2, Opcode::FminPseudo) => SseOpcode::Minpd,
(types::F64X2, Opcode::FmaxPseudo) => SseOpcode::Maxpd,
_ => unimplemented!("unsupported type {} for {}", ty, op),
};
ctx.emit(Inst::xmm_rm_r(sse_opcode, lhs, dst, None));
}
Opcode::Sqrt => {
let src = input_to_reg_mem(ctx, inputs[0]);
let dst = get_output_reg(ctx, outputs[0]);