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//! Original PTX specification:
//!
//! rcp.approx{.ftz}.f32 d, a; // fast, approximate reciprocal
//! rcp.rnd{.ftz}.f32 d, a; // IEEE 754 compliant rounding
//! rcp.rnd.f64 d, a; // IEEE 754 compliant rounding
//! .rnd = { .rn, .rz, .rm, .rp };
#![allow(unused)]
use crate::parser::{
PtxParseError, PtxParser, PtxTokenStream, Span,
util::{
between, comma_p, directive_p, exclamation_p, lbracket_p, lparen_p, map, minus_p, optional,
pipe_p, rbracket_p, rparen_p, semicolon_p, sep_by, string_p, try_map,
},
};
use crate::r#type::common::*;
use crate::{alt, ok, seq_n};
pub mod section_0 {
use super::*;
use crate::r#type::instruction::rcp::section_0::*;
// ============================================================================
// Generated enum parsers
// ============================================================================
impl PtxParser for Rnd {
fn parse() -> impl Fn(&mut PtxTokenStream) -> Result<(Self, Span), PtxParseError> {
alt!(
map(string_p(".rn"), |_, _span| Rnd::Rn),
map(string_p(".rz"), |_, _span| Rnd::Rz),
map(string_p(".rm"), |_, _span| Rnd::Rm),
map(string_p(".rp"), |_, _span| Rnd::Rp)
)
}
}
impl PtxParser for RcpApproxFtzF32 {
fn parse() -> impl Fn(&mut PtxTokenStream) -> Result<(Self, Span), PtxParseError> {
try_map(
seq_n!(
string_p("rcp"),
string_p(".approx"),
map(optional(string_p(".ftz")), |value, _| value.is_some()),
string_p(".f32"),
GeneralOperand::parse(),
comma_p(),
GeneralOperand::parse(),
semicolon_p()
),
|(_, approx, ftz, f32, d, _, a, _), span| {
ok!(RcpApproxFtzF32 {
approx = approx,
ftz = ftz,
f32 = f32,
d = d,
a = a,
})
},
)
}
}
impl PtxParser for RcpRndFtzF32 {
fn parse() -> impl Fn(&mut PtxTokenStream) -> Result<(Self, Span), PtxParseError> {
try_map(
seq_n!(
string_p("rcp"),
Rnd::parse(),
map(optional(string_p(".ftz")), |value, _| value.is_some()),
string_p(".f32"),
GeneralOperand::parse(),
comma_p(),
GeneralOperand::parse(),
semicolon_p()
),
|(_, rnd, ftz, f32, d, _, a, _), span| {
ok!(RcpRndFtzF32 {
rnd = rnd,
ftz = ftz,
f32 = f32,
d = d,
a = a,
})
},
)
}
}
impl PtxParser for RcpRndF64 {
fn parse() -> impl Fn(&mut PtxTokenStream) -> Result<(Self, Span), PtxParseError> {
try_map(
seq_n!(
string_p("rcp"),
Rnd::parse(),
string_p(".f64"),
GeneralOperand::parse(),
comma_p(),
GeneralOperand::parse(),
semicolon_p()
),
|(_, rnd, f64, d, _, a, _), span| {
ok!(RcpRndF64 {
rnd = rnd,
f64 = f64,
d = d,
a = a,
})
},
)
}
}
}