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nak: Add a Src::supports_src_type() helper

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
This commit is contained in:
Faith Ekstrand 2023-04-25 16:36:07 -05:00 • committed by Marge Bot
parent 42d31b4bfd
commit 9bc2bdd78f
1 changed files with 73 additions and 0 deletions
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73
src/nouveau/compiler/nak_ir.rs
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@ -28,6 +28,13 @@ impl RegFile {
}
}
pub fn is_gpr(&self) -> bool {
match self {
RegFile::GPR | RegFile::UGPR => true,
RegFile::Pred | RegFile::UPred => false,
}
}
pub fn is_predicate(&self) -> bool {
match self {
RegFile::GPR | RegFile::UGPR => false,
@ -100,6 +107,10 @@ pub trait HasRegFile {
self.file().is_uniform()
}
fn is_gpr(&self) -> bool {
self.file().is_gpr()
}
fn is_predicate(&self) -> bool {
self.file().is_predicate()
}
@ -425,6 +436,15 @@ pub enum SrcRef {
}
impl SrcRef {
pub fn is_alu(&self) -> bool {
match self {
SrcRef::Zero | SrcRef::Imm32(_) | SrcRef::CBuf(_) => true,
SrcRef::SSA(ssa) => ssa.is_gpr(),
SrcRef::Reg(reg) => reg.is_gpr(),
SrcRef::True | SrcRef::False => false,
}
}
pub fn is_predicate(&self) -> bool {
match self {
SrcRef::Zero | SrcRef::Imm32(_) | SrcRef::CBuf(_) => false,
@ -727,6 +747,59 @@ impl Src {
| SrcRef::CBuf(_) => false,
}
}
pub fn supports_type(&self, src_type: &SrcType) -> bool {
match src_type {
SrcType::SSA => {
if !self.src_mod.is_none() {
return false;
}
match self.src_ref {
SrcRef::SSA(_) | SrcRef::Reg(_) => true,
_ => false,
}
}
SrcType::GPR => {
if !self.src_mod.is_none() {
return false;
}
match self.src_ref {
SrcRef::Zero | SrcRef::SSA(_) | SrcRef::Reg(_) => true,
_ => false,
}
}
SrcType::ALU => self.src_mod.is_none() && self.src_ref.is_alu(),
SrcType::F32 | SrcType::F64 => {
match self.src_mod {
SrcMod::None
| SrcMod::FAbs
| SrcMod::FNeg
| SrcMod::FNegAbs => (),
_ => return false,
}
self.src_ref.is_alu()
}
SrcType::I32 => {
match self.src_mod {
SrcMod::None | SrcMod::INeg => (),
_ => return false,
}
self.src_ref.is_alu()
}
SrcType::Pred => {
match self.src_mod {
SrcMod::None | SrcMod::BNot => (),
_ => return false,
}
self.src_ref.is_predicate()
}
}
}
}
impl<T: Into<SrcRef>> From<T> for Src {