Start moving away from the intrinsic_match macro

It isn't clear most people other than me and it blocks formatting by
rustfmt.
This commit is contained in:
bjorn3 2022-07-26 14:45:00 +00:00
parent 3deceedbc3
commit e151964a70
3 changed files with 340 additions and 198 deletions

View file

@ -13,15 +13,11 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
ret: CPlace<'tcx>,
target: Option<BasicBlock>,
) {
intrinsic_match! {
fx, intrinsic, args,
_ => {
fx.tcx.sess.warn(&format!("unsupported llvm intrinsic {}; replacing with trap", intrinsic));
crate::trap::trap_unimplemented(fx, intrinsic);
};
match intrinsic {
// Used by `_mm_movemask_epi8` and `_mm256_movemask_epi8`
"llvm.x86.sse2.pmovmskb.128" | "llvm.x86.avx2.pmovmskb" | "llvm.x86.sse2.movmsk.pd", (c a) {
"llvm.x86.sse2.pmovmskb.128" | "llvm.x86.avx2.pmovmskb" | "llvm.x86.sse2.movmsk.pd" => {
intrinsic_args!(fx, args => (a); intrinsic);
let (lane_count, lane_ty) = a.layout().ty.simd_size_and_type(fx.tcx);
let lane_ty = fx.clif_type(lane_ty).unwrap();
assert!(lane_count <= 32);
@ -29,7 +25,8 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
let mut res = fx.bcx.ins().iconst(types::I32, 0);
for lane in (0..lane_count).rev() {
let a_lane = a.value_field(fx, mir::Field::new(lane.try_into().unwrap())).load_scalar(fx);
let a_lane =
a.value_field(fx, mir::Field::new(lane.try_into().unwrap())).load_scalar(fx);
// cast float to int
let a_lane = match lane_ty {
@ -49,18 +46,33 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
let res = CValue::by_val(res, fx.layout_of(fx.tcx.types.i32));
ret.write_cvalue(fx, res);
};
"llvm.x86.sse2.cmp.ps" | "llvm.x86.sse2.cmp.pd", (c x, c y, o kind) {
let kind = crate::constant::mir_operand_get_const_val(fx, kind).expect("llvm.x86.sse2.cmp.* kind not const");
let flt_cc = match kind.try_to_bits(Size::from_bytes(1)).unwrap_or_else(|| panic!("kind not scalar: {:?}", kind)) {
}
"llvm.x86.sse2.cmp.ps" | "llvm.x86.sse2.cmp.pd" => {
let (x, y, kind) = match args {
[x, y, kind] => (x, y, kind),
_ => bug!("wrong number of args for intrinsic {intrinsic}"),
};
let x = codegen_operand(fx, x);
let y = codegen_operand(fx, y);
let kind = crate::constant::mir_operand_get_const_val(fx, kind)
.expect("llvm.x86.sse2.cmp.* kind not const");
let flt_cc = match kind
.try_to_bits(Size::from_bytes(1))
.unwrap_or_else(|| panic!("kind not scalar: {:?}", kind))
{
0 => FloatCC::Equal,
1 => FloatCC::LessThan,
2 => FloatCC::LessThanOrEqual,
7 => {
unimplemented!("Compares corresponding elements in `a` and `b` to see if neither is `NaN`.");
unimplemented!(
"Compares corresponding elements in `a` and `b` to see if neither is `NaN`."
);
}
3 => {
unimplemented!("Compares corresponding elements in `a` and `b` to see if either is `NaN`.");
unimplemented!(
"Compares corresponding elements in `a` and `b` to see if either is `NaN`."
);
}
4 => FloatCC::NotEqual,
5 => {
@ -79,50 +91,67 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
};
bool_to_zero_or_max_uint(fx, res_lane_ty, res_lane)
});
};
"llvm.x86.sse2.psrli.d", (c a, o imm8) {
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 < 32 => fx.bcx.ins().ushr_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
}
}
"llvm.x86.sse2.psrli.d" => {
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 < 32 => fx.bcx.ins().ushr_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
});
};
"llvm.x86.sse2.pslli.d", (c a, o imm8) {
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 < 32 => fx.bcx.ins().ishl_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
}
}
"llvm.x86.sse2.pslli.d" => {
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 < 32 => fx.bcx.ins().ishl_imm(lane, i64::from(imm8 as u8)),
_ => fx.bcx.ins().iconst(types::I32, 0),
});
};
"llvm.x86.sse2.storeu.dq", (v mem_addr, c a) {
}
"llvm.x86.sse2.storeu.dq" => {
intrinsic_args!(fx, args => (mem_addr, a); intrinsic);
let mem_addr = mem_addr.load_scalar(fx);
// FIXME correctly handle the unalignment
let dest = CPlace::for_ptr(Pointer::new(mem_addr), a.layout());
dest.write_cvalue(fx, a);
};
"llvm.x86.addcarry.64", (v c_in, c a, c b) {
llvm_add_sub(
fx,
BinOp::Add,
ret,
c_in,
a,
b
);
};
"llvm.x86.subborrow.64", (v b_in, c a, c b) {
llvm_add_sub(
fx,
BinOp::Sub,
ret,
b_in,
a,
b
);
};
}
"llvm.x86.addcarry.64" => {
intrinsic_args!(fx, args => (c_in, a, b); intrinsic);
let c_in = c_in.load_scalar(fx);
llvm_add_sub(fx, BinOp::Add, ret, c_in, a, b);
}
"llvm.x86.subborrow.64" => {
intrinsic_args!(fx, args => (b_in, a, b); intrinsic);
let b_in = b_in.load_scalar(fx);
llvm_add_sub(fx, BinOp::Sub, ret, b_in, a, b);
}
_ => {
fx.tcx
.sess
.warn(&format!("unsupported llvm intrinsic {}; replacing with trap", intrinsic));
crate::trap::trap_unimplemented(fx, intrinsic);
}
}
let dest = target.expect("all llvm intrinsics used by stdlib should return");

View file

@ -11,9 +11,6 @@ macro_rules! intrinsic_pat {
(kw.$name:ident) => {
kw::$name
};
($name:literal) => {
$name
};
}
macro_rules! intrinsic_arg {
@ -26,6 +23,17 @@ macro_rules! intrinsic_arg {
};
}
macro_rules! intrinsic_args {
($fx:expr, $args:expr => ($($arg:tt),*); $intrinsic:expr) => {
#[allow(unused_parens)]
let ($($arg),*) = if let [$($arg),*] = $args {
($(codegen_operand($fx, $arg)),*)
} else {
bug!("wrong number of args for intrinsic {}", $intrinsic);
};
}
}
macro_rules! intrinsic_match {
($fx:expr, $intrinsic:expr, $args:expr,
_ => $unknown:block;

View file

@ -25,13 +25,10 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
ret: CPlace<'tcx>,
span: Span,
) {
intrinsic_match! {
fx, intrinsic, args,
_ => {
fx.tcx.sess.span_fatal(span, &format!("Unknown SIMD intrinsic {}", intrinsic));
};
match intrinsic {
sym::simd_cast => {
intrinsic_args!(fx, args => (a); intrinsic);
simd_cast, (c a) {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
@ -45,9 +42,11 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
clif_int_or_float_cast(fx, lane, from_signed, ret_lane_clif_ty, to_signed)
});
};
}
sym::simd_eq | sym::simd_ne | sym::simd_lt | sym::simd_le | sym::simd_gt | sym::simd_ge => {
intrinsic_args!(fx, args => (x, y); intrinsic);
simd_eq | simd_ne | simd_lt | simd_le | simd_gt | simd_ge, (c x, c y) {
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
@ -57,7 +56,9 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, res_lane_ty, x_lane, y_lane| {
let res_lane = match (lane_ty.kind(), intrinsic) {
(ty::Uint(_), sym::simd_eq) => fx.bcx.ins().icmp(IntCC::Equal, x_lane, y_lane),
(ty::Uint(_), sym::simd_ne) => fx.bcx.ins().icmp(IntCC::NotEqual, x_lane, y_lane),
(ty::Uint(_), sym::simd_ne) => {
fx.bcx.ins().icmp(IntCC::NotEqual, x_lane, y_lane)
}
(ty::Uint(_), sym::simd_lt) => {
fx.bcx.ins().icmp(IntCC::UnsignedLessThan, x_lane, y_lane)
}
@ -72,8 +73,12 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
}
(ty::Int(_), sym::simd_eq) => fx.bcx.ins().icmp(IntCC::Equal, x_lane, y_lane),
(ty::Int(_), sym::simd_ne) => fx.bcx.ins().icmp(IntCC::NotEqual, x_lane, y_lane),
(ty::Int(_), sym::simd_lt) => fx.bcx.ins().icmp(IntCC::SignedLessThan, x_lane, y_lane),
(ty::Int(_), sym::simd_ne) => {
fx.bcx.ins().icmp(IntCC::NotEqual, x_lane, y_lane)
}
(ty::Int(_), sym::simd_lt) => {
fx.bcx.ins().icmp(IntCC::SignedLessThan, x_lane, y_lane)
}
(ty::Int(_), sym::simd_le) => {
fx.bcx.ins().icmp(IntCC::SignedLessThanOrEqual, x_lane, y_lane)
}
@ -84,13 +89,21 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
fx.bcx.ins().icmp(IntCC::SignedGreaterThanOrEqual, x_lane, y_lane)
}
(ty::Float(_), sym::simd_eq) => fx.bcx.ins().fcmp(FloatCC::Equal, x_lane, y_lane),
(ty::Float(_), sym::simd_ne) => fx.bcx.ins().fcmp(FloatCC::NotEqual, x_lane, y_lane),
(ty::Float(_), sym::simd_lt) => fx.bcx.ins().fcmp(FloatCC::LessThan, x_lane, y_lane),
(ty::Float(_), sym::simd_eq) => {
fx.bcx.ins().fcmp(FloatCC::Equal, x_lane, y_lane)
}
(ty::Float(_), sym::simd_ne) => {
fx.bcx.ins().fcmp(FloatCC::NotEqual, x_lane, y_lane)
}
(ty::Float(_), sym::simd_lt) => {
fx.bcx.ins().fcmp(FloatCC::LessThan, x_lane, y_lane)
}
(ty::Float(_), sym::simd_le) => {
fx.bcx.ins().fcmp(FloatCC::LessThanOrEqual, x_lane, y_lane)
}
(ty::Float(_), sym::simd_gt) => fx.bcx.ins().fcmp(FloatCC::GreaterThan, x_lane, y_lane),
(ty::Float(_), sym::simd_gt) => {
fx.bcx.ins().fcmp(FloatCC::GreaterThan, x_lane, y_lane)
}
(ty::Float(_), sym::simd_ge) => {
fx.bcx.ins().fcmp(FloatCC::GreaterThanOrEqual, x_lane, y_lane)
}
@ -103,10 +116,19 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let res_lane = fx.bcx.ins().bint(ty, res_lane);
fx.bcx.ins().ineg(res_lane)
});
};
}
// simd_shuffle32<T, U>(x: T, y: T, idx: [u32; 32]) -> U
_ if intrinsic.as_str().starts_with("simd_shuffle"), (c x, c y, o idx) {
_ if intrinsic.as_str().starts_with("simd_shuffle") => {
let (x, y, idx) = match args {
[x, y, idx] => (x, y, idx),
_ => {
bug!("wrong number of args for intrinsic {intrinsic}");
}
};
let x = codegen_operand(fx, x);
let y = codegen_operand(fx, y);
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
@ -119,11 +141,13 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
// version of this intrinsic.
let idx_ty = fx.monomorphize(idx.ty(fx.mir, fx.tcx));
match idx_ty.kind() {
ty::Array(ty, len) if matches!(ty.kind(), ty::Uint(ty::UintTy::U32)) => {
len.try_eval_usize(fx.tcx, ty::ParamEnv::reveal_all()).unwrap_or_else(|| {
ty::Array(ty, len) if matches!(ty.kind(), ty::Uint(ty::UintTy::U32)) => len
.try_eval_usize(fx.tcx, ty::ParamEnv::reveal_all())
.unwrap_or_else(|| {
span_bug!(span, "could not evaluate shuffle index array length")
}).try_into().unwrap()
}
})
.try_into()
.unwrap(),
_ => {
fx.tcx.sess.span_err(
span,
@ -154,24 +178,30 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let indexes = {
use rustc_middle::mir::interpret::*;
let idx_const = crate::constant::mir_operand_get_const_val(fx, idx).expect("simd_shuffle* idx not const");
let idx_const = crate::constant::mir_operand_get_const_val(fx, idx)
.expect("simd_shuffle* idx not const");
let idx_bytes = match idx_const {
ConstValue::ByRef { alloc, offset } => {
let size = Size::from_bytes(4 * ret_lane_count /* size_of([u32; ret_lane_count]) */);
let size = Size::from_bytes(
4 * ret_lane_count, /* size_of([u32; ret_lane_count]) */
);
alloc.inner().get_bytes(fx, alloc_range(offset, size)).unwrap()
}
_ => unreachable!("{:?}", idx_const),
};
(0..ret_lane_count).map(|i| {
let i = usize::try_from(i).unwrap();
let idx = rustc_middle::mir::interpret::read_target_uint(
fx.tcx.data_layout.endian,
&idx_bytes[4*i.. 4*i + 4],
).expect("read_target_uint");
u16::try_from(idx).expect("try_from u32")
}).collect::<Vec<u16>>()
(0..ret_lane_count)
.map(|i| {
let i = usize::try_from(i).unwrap();
let idx = rustc_middle::mir::interpret::read_target_uint(
fx.tcx.data_layout.endian,
&idx_bytes[4 * i..4 * i + 4],
)
.expect("read_target_uint");
u16::try_from(idx).expect("try_from u32")
})
.collect::<Vec<u16>>()
};
for &idx in &indexes {
@ -187,43 +217,63 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let out_lane = ret.place_lane(fx, u64::try_from(out_idx).unwrap());
out_lane.write_cvalue(fx, in_lane);
}
};
}
sym::simd_insert => {
let (base, idx, val) = match args {
[base, idx, val] => (base, idx, val),
_ => {
bug!("wrong number of args for intrinsic {intrinsic}");
}
};
let base = codegen_operand(fx, base);
let val = codegen_operand(fx, val);
simd_insert, (c base, o idx, c val) {
// FIXME validate
let idx_const = if let Some(idx_const) = crate::constant::mir_operand_get_const_val(fx, idx) {
let idx_const = if let Some(idx_const) =
crate::constant::mir_operand_get_const_val(fx, idx)
{
idx_const
} else {
fx.tcx.sess.span_fatal(
span,
"Index argument for `simd_insert` is not a constant",
);
fx.tcx.sess.span_fatal(span, "Index argument for `simd_insert` is not a constant");
};
let idx = idx_const.try_to_bits(Size::from_bytes(4 /* u32*/)).unwrap_or_else(|| panic!("kind not scalar: {:?}", idx_const));
let idx = idx_const
.try_to_bits(Size::from_bytes(4 /* u32*/))
.unwrap_or_else(|| panic!("kind not scalar: {:?}", idx_const));
let (lane_count, _lane_ty) = base.layout().ty.simd_size_and_type(fx.tcx);
if idx >= lane_count.into() {
fx.tcx.sess.span_fatal(fx.mir.span, &format!("[simd_insert] idx {} >= lane_count {}", idx, lane_count));
fx.tcx.sess.span_fatal(
fx.mir.span,
&format!("[simd_insert] idx {} >= lane_count {}", idx, lane_count),
);
}
ret.write_cvalue(fx, base);
let ret_lane = ret.place_field(fx, mir::Field::new(idx.try_into().unwrap()));
ret_lane.write_cvalue(fx, val);
};
}
sym::simd_extract => {
let (v, idx) = match args {
[v, idx] => (v, idx),
_ => {
bug!("wrong number of args for intrinsic {intrinsic}");
}
};
let v = codegen_operand(fx, v);
simd_extract, (c v, o idx) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
let idx_const = if let Some(idx_const) = crate::constant::mir_operand_get_const_val(fx, idx) {
let idx_const = if let Some(idx_const) =
crate::constant::mir_operand_get_const_val(fx, idx)
{
idx_const
} else {
fx.tcx.sess.span_warn(
span,
"Index argument for `simd_extract` is not a constant",
);
fx.tcx.sess.span_warn(span, "Index argument for `simd_extract` is not a constant");
let res = crate::trap::trap_unimplemented_ret_value(
fx,
ret.layout(),
@ -233,89 +283,105 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
return;
};
let idx = idx_const.try_to_bits(Size::from_bytes(4 /* u32*/)).unwrap_or_else(|| panic!("kind not scalar: {:?}", idx_const));
let idx = idx_const
.try_to_bits(Size::from_bytes(4 /* u32*/))
.unwrap_or_else(|| panic!("kind not scalar: {:?}", idx_const));
let (lane_count, _lane_ty) = v.layout().ty.simd_size_and_type(fx.tcx);
if idx >= lane_count.into() {
fx.tcx.sess.span_fatal(fx.mir.span, &format!("[simd_extract] idx {} >= lane_count {}", idx, lane_count));
fx.tcx.sess.span_fatal(
fx.mir.span,
&format!("[simd_extract] idx {} >= lane_count {}", idx, lane_count),
);
}
let ret_lane = v.value_lane(fx, idx.try_into().unwrap());
ret.write_cvalue(fx, ret_lane);
};
}
sym::simd_neg => {
intrinsic_args!(fx, args => (a); intrinsic);
simd_neg, (c a) {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| {
match lane_ty.kind() {
simd_for_each_lane(
fx,
a,
ret,
&|fx, lane_ty, _ret_lane_ty, lane| match lane_ty.kind() {
ty::Int(_) => fx.bcx.ins().ineg(lane),
ty::Float(_) => fx.bcx.ins().fneg(lane),
_ => unreachable!(),
}
});
};
},
);
}
simd_add | simd_sub | simd_mul | simd_div | simd_rem
| simd_shl | simd_shr | simd_and | simd_or | simd_xor, (c x, c y) {
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
}
sym::simd_add
| sym::simd_sub
| sym::simd_mul
| sym::simd_div
| sym::simd_rem
| sym::simd_shl
| sym::simd_shr
| sym::simd_and
| sym::simd_or
| sym::simd_xor => {
intrinsic_args!(fx, args => (x, y); intrinsic);
// FIXME use vector instructions when possible
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, _ret_lane_ty, x_lane, y_lane| match (
lane_ty.kind(),
intrinsic,
) {
(ty::Uint(_), sym::simd_add) => fx.bcx.ins().iadd(x_lane, y_lane),
(ty::Uint(_), sym::simd_sub) => fx.bcx.ins().isub(x_lane, y_lane),
(ty::Uint(_), sym::simd_mul) => fx.bcx.ins().imul(x_lane, y_lane),
(ty::Uint(_), sym::simd_div) => fx.bcx.ins().udiv(x_lane, y_lane),
(ty::Uint(_), sym::simd_rem) => fx.bcx.ins().urem(x_lane, y_lane),
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, _ret_lane_ty, x_lane, y_lane| {
match (lane_ty.kind(), intrinsic) {
(ty::Uint(_), sym::simd_add) => fx.bcx.ins().iadd(x_lane, y_lane),
(ty::Uint(_), sym::simd_sub) => fx.bcx.ins().isub(x_lane, y_lane),
(ty::Uint(_), sym::simd_mul) => fx.bcx.ins().imul(x_lane, y_lane),
(ty::Uint(_), sym::simd_div) => fx.bcx.ins().udiv(x_lane, y_lane),
(ty::Uint(_), sym::simd_rem) => fx.bcx.ins().urem(x_lane, y_lane),
(ty::Int(_), sym::simd_add) => fx.bcx.ins().iadd(x_lane, y_lane),
(ty::Int(_), sym::simd_sub) => fx.bcx.ins().isub(x_lane, y_lane),
(ty::Int(_), sym::simd_mul) => fx.bcx.ins().imul(x_lane, y_lane),
(ty::Int(_), sym::simd_div) => fx.bcx.ins().sdiv(x_lane, y_lane),
(ty::Int(_), sym::simd_rem) => fx.bcx.ins().srem(x_lane, y_lane),
(ty::Int(_), sym::simd_add) => fx.bcx.ins().iadd(x_lane, y_lane),
(ty::Int(_), sym::simd_sub) => fx.bcx.ins().isub(x_lane, y_lane),
(ty::Int(_), sym::simd_mul) => fx.bcx.ins().imul(x_lane, y_lane),
(ty::Int(_), sym::simd_div) => fx.bcx.ins().sdiv(x_lane, y_lane),
(ty::Int(_), sym::simd_rem) => fx.bcx.ins().srem(x_lane, y_lane),
(ty::Float(_), sym::simd_add) => fx.bcx.ins().fadd(x_lane, y_lane),
(ty::Float(_), sym::simd_sub) => fx.bcx.ins().fsub(x_lane, y_lane),
(ty::Float(_), sym::simd_mul) => fx.bcx.ins().fmul(x_lane, y_lane),
(ty::Float(_), sym::simd_div) => fx.bcx.ins().fdiv(x_lane, y_lane),
(ty::Float(FloatTy::F32), sym::simd_rem) => fx.lib_call(
"fmodf",
vec![AbiParam::new(types::F32), AbiParam::new(types::F32)],
vec![AbiParam::new(types::F32)],
&[x_lane, y_lane],
)[0],
(ty::Float(FloatTy::F64), sym::simd_rem) => fx.lib_call(
"fmod",
vec![AbiParam::new(types::F64), AbiParam::new(types::F64)],
vec![AbiParam::new(types::F64)],
&[x_lane, y_lane],
)[0],
(ty::Float(_), sym::simd_add) => fx.bcx.ins().fadd(x_lane, y_lane),
(ty::Float(_), sym::simd_sub) => fx.bcx.ins().fsub(x_lane, y_lane),
(ty::Float(_), sym::simd_mul) => fx.bcx.ins().fmul(x_lane, y_lane),
(ty::Float(_), sym::simd_div) => fx.bcx.ins().fdiv(x_lane, y_lane),
(ty::Float(FloatTy::F32), sym::simd_rem) => fx.lib_call(
"fmodf",
vec![AbiParam::new(types::F32), AbiParam::new(types::F32)],
vec![AbiParam::new(types::F32)],
&[x_lane, y_lane],
)[0],
(ty::Float(FloatTy::F64), sym::simd_rem) => fx.lib_call(
"fmod",
vec![AbiParam::new(types::F64), AbiParam::new(types::F64)],
vec![AbiParam::new(types::F64)],
&[x_lane, y_lane],
)[0],
(ty::Uint(_), sym::simd_shl) => fx.bcx.ins().ishl(x_lane, y_lane),
(ty::Uint(_), sym::simd_shr) => fx.bcx.ins().ushr(x_lane, y_lane),
(ty::Uint(_), sym::simd_and) => fx.bcx.ins().band(x_lane, y_lane),
(ty::Uint(_), sym::simd_or) => fx.bcx.ins().bor(x_lane, y_lane),
(ty::Uint(_), sym::simd_xor) => fx.bcx.ins().bxor(x_lane, y_lane),
(ty::Uint(_), sym::simd_shl) => fx.bcx.ins().ishl(x_lane, y_lane),
(ty::Uint(_), sym::simd_shr) => fx.bcx.ins().ushr(x_lane, y_lane),
(ty::Uint(_), sym::simd_and) => fx.bcx.ins().band(x_lane, y_lane),
(ty::Uint(_), sym::simd_or) => fx.bcx.ins().bor(x_lane, y_lane),
(ty::Uint(_), sym::simd_xor) => fx.bcx.ins().bxor(x_lane, y_lane),
(ty::Int(_), sym::simd_shl) => fx.bcx.ins().ishl(x_lane, y_lane),
(ty::Int(_), sym::simd_shr) => fx.bcx.ins().sshr(x_lane, y_lane),
(ty::Int(_), sym::simd_and) => fx.bcx.ins().band(x_lane, y_lane),
(ty::Int(_), sym::simd_or) => fx.bcx.ins().bor(x_lane, y_lane),
(ty::Int(_), sym::simd_xor) => fx.bcx.ins().bxor(x_lane, y_lane),
(ty::Int(_), sym::simd_shl) => fx.bcx.ins().ishl(x_lane, y_lane),
(ty::Int(_), sym::simd_shr) => fx.bcx.ins().sshr(x_lane, y_lane),
(ty::Int(_), sym::simd_and) => fx.bcx.ins().band(x_lane, y_lane),
(ty::Int(_), sym::simd_or) => fx.bcx.ins().bor(x_lane, y_lane),
(ty::Int(_), sym::simd_xor) => fx.bcx.ins().bxor(x_lane, y_lane),
_ => unreachable!(),
_ => unreachable!(),
}
});
};
}
sym::simd_fma => {
intrinsic_args!(fx, args => (a, b, c); intrinsic);
simd_fma, (c a, c b, c c) {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
@ -333,16 +399,22 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let c_lane = c.value_lane(fx, lane);
let res_lane = match lane_ty.kind() {
ty::Float(FloatTy::F32) => fx.easy_call("fmaf", &[a_lane, b_lane, c_lane], lane_ty),
ty::Float(FloatTy::F64) => fx.easy_call("fma", &[a_lane, b_lane, c_lane], lane_ty),
ty::Float(FloatTy::F32) => {
fx.easy_call("fmaf", &[a_lane, b_lane, c_lane], lane_ty)
}
ty::Float(FloatTy::F64) => {
fx.easy_call("fma", &[a_lane, b_lane, c_lane], lane_ty)
}
_ => unreachable!(),
};
ret.place_lane(fx, lane).write_cvalue(fx, res_lane);
}
};
}
sym::simd_fmin | sym::simd_fmax => {
intrinsic_args!(fx, args => (x, y); intrinsic);
simd_fmin | simd_fmax, (c x, c y) {
if !x.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, x.layout().ty);
return;
@ -351,7 +423,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
// FIXME use vector instructions when possible
simd_pair_for_each_lane(fx, x, y, ret, &|fx, lane_ty, _ret_lane_ty, x_lane, y_lane| {
match lane_ty.kind() {
ty::Float(_) => {},
ty::Float(_) => {}
_ => unreachable!("{:?}", lane_ty),
}
match intrinsic {
@ -360,16 +432,21 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
_ => unreachable!(),
}
});
};
}
sym::simd_round => {
intrinsic_args!(fx, args => (a); intrinsic);
simd_round, (c a) {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
}
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| {
match lane_ty.kind() {
simd_for_each_lane(
fx,
a,
ret,
&|fx, lane_ty, _ret_lane_ty, lane| match lane_ty.kind() {
ty::Float(FloatTy::F32) => fx.lib_call(
"roundf",
vec![AbiParam::new(types::F32)],
@ -383,11 +460,13 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
&[lane],
)[0],
_ => unreachable!("{:?}", lane_ty),
}
});
};
},
);
}
sym::simd_fabs | sym::simd_fsqrt | sym::simd_ceil | sym::simd_floor | sym::simd_trunc => {
intrinsic_args!(fx, args => (a); intrinsic);
simd_fabs | simd_fsqrt | simd_ceil | simd_floor | simd_trunc, (c a) {
if !a.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty);
return;
@ -395,7 +474,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
simd_for_each_lane(fx, a, ret, &|fx, lane_ty, _ret_lane_ty, lane| {
match lane_ty.kind() {
ty::Float(_) => {},
ty::Float(_) => {}
_ => unreachable!("{:?}", lane_ty),
}
match intrinsic {
@ -407,9 +486,12 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
_ => unreachable!(),
}
});
};
}
sym::simd_reduce_add_ordered | sym::simd_reduce_add_unordered => {
intrinsic_args!(fx, args => (v, acc); intrinsic);
let acc = acc.load_scalar(fx);
simd_reduce_add_ordered | simd_reduce_add_unordered, (c v, v acc) {
// FIXME there must be no acc param for integer vectors
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
@ -423,9 +505,12 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
fx.bcx.ins().iadd(a, b)
}
});
};
}
sym::simd_reduce_mul_ordered | sym::simd_reduce_mul_unordered => {
intrinsic_args!(fx, args => (v, acc); intrinsic);
let acc = acc.load_scalar(fx);
simd_reduce_mul_ordered | simd_reduce_mul_unordered, (c v, v acc) {
// FIXME there must be no acc param for integer vectors
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
@ -439,54 +524,66 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
fx.bcx.ins().imul(a, b)
}
});
};
}
sym::simd_reduce_all => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_all, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce_bool(fx, v, ret, &|fx, a, b| fx.bcx.ins().band(a, b));
};
}
sym::simd_reduce_any => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_any, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce_bool(fx, v, ret, &|fx, a, b| fx.bcx.ins().bor(a, b));
};
}
sym::simd_reduce_and => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_and, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, _ty, a, b| fx.bcx.ins().band(a, b));
};
}
sym::simd_reduce_or => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_or, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, _ty, a, b| fx.bcx.ins().bor(a, b));
};
}
sym::simd_reduce_xor => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_xor, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
}
simd_reduce(fx, v, None, ret, &|fx, _ty, a, b| fx.bcx.ins().bxor(a, b));
};
}
sym::simd_reduce_min => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_min, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
@ -501,9 +598,11 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
fx.bcx.ins().select(lt, a, b)
});
};
}
sym::simd_reduce_max => {
intrinsic_args!(fx, args => (v); intrinsic);
simd_reduce_max, (c v) {
if !v.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, v.layout().ty);
return;
@ -518,9 +617,11 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
};
fx.bcx.ins().select(gt, a, b)
});
};
}
sym::simd_select => {
intrinsic_args!(fx, args => (m, a, b); intrinsic);
simd_select, (c m, c a, c b) {
if !m.layout().ty.is_simd() {
report_simd_type_validation_error(fx, intrinsic, span, m.layout().ty);
return;
@ -540,15 +641,19 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let b_lane = b.value_lane(fx, lane).load_scalar(fx);
let m_lane = fx.bcx.ins().icmp_imm(IntCC::Equal, m_lane, 0);
let res_lane = CValue::by_val(fx.bcx.ins().select(m_lane, b_lane, a_lane), lane_layout);
let res_lane =
CValue::by_val(fx.bcx.ins().select(m_lane, b_lane, a_lane), lane_layout);
ret.place_lane(fx, lane).write_cvalue(fx, res_lane);
}
};
}
// simd_saturating_*
// simd_bitmask
// simd_scatter
// simd_gather
_ => {
fx.tcx.sess.span_fatal(span, &format!("Unknown SIMD intrinsic {}", intrinsic));
}
}
}