Implement _mm_srli_epi16 and _mm_slli_epi16

This commit is contained in:
bjorn3 2023-06-06 09:14:07 +00:00
parent f36bb6d529
commit e4d0811360

View File

@ -120,6 +120,40 @@ pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
_ => fx.bcx.ins().iconst(types::I32, 0),
});
}
"llvm.x86.sse2.psrli.w" => {
let (a, imm8) = match args {
[a, imm8] => (a, imm8),
_ => bug!("wrong number of args for intrinsic {intrinsic}"),
};
let a = codegen_operand(fx, a);
let imm8 = crate::constant::mir_operand_get_const_val(fx, imm8)
.expect("llvm.x86.sse2.psrli.d imm8 not const");
simd_for_each_lane(fx, a, ret, &|fx, _lane_ty, _res_lane_ty, lane| match imm8
.try_to_bits(Size::from_bytes(4))
.unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8))
{
imm8 if imm8 < 16 => fx.bcx.ins().ushr_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
});
}
"llvm.x86.sse2.pslli.w" => {
let (a, imm8) = match args {
[a, imm8] => (a, imm8),
_ => bug!("wrong number of args for intrinsic {intrinsic}"),
};
let a = codegen_operand(fx, a);
let imm8 = crate::constant::mir_operand_get_const_val(fx, imm8)
.expect("llvm.x86.sse2.pslli.d imm8 not const");
simd_for_each_lane(fx, a, ret, &|fx, _lane_ty, _res_lane_ty, lane| match imm8
.try_to_bits(Size::from_bytes(4))
.unwrap_or_else(|| panic!("imm8 not scalar: {:?}", imm8))
{
imm8 if imm8 < 16 => fx.bcx.ins().ishl_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
});
}
"llvm.x86.avx.psrli.d" => {
let (a, imm8) = match args {
[a, imm8] => (a, imm8),