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nac3artiq: add back builtins (fix #53)

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pca006132 2021-10-06 16:46:41 +08:00
parent 11144301ca
commit 62673cf608
1 changed files with 167 additions and 0 deletions
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167
nac3artiq/src/builtins.rs Normal file
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use inkwell::{values::BasicValueEnum, AddressSpace, AtomicOrdering};
use nac3core::{
toplevel::GenCall,
typecheck::{
type_inferencer::PrimitiveStore,
typedef::{FunSignature, FuncArg},
},
};
use rustpython_parser::ast::StrRef;
use std::{collections::HashMap, sync::Arc};
// ARTIQ timeline control with now-pinning optimization.
pub fn timeline_builtins(primitive: &PrimitiveStore) -> Vec<(StrRef, FunSignature, Arc<GenCall>)> {
vec![
(
"now_mu".into(),
FunSignature {
args: vec![],
ret: primitive.int64,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(|ctx, _, _, _| {
let i64_type = ctx.ctx.i64_type();
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let BasicValueEnum::IntValue(now_raw) = now_raw {
let i64_32 = i64_type.const_int(32, false).into();
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
let now_hi = ctx
.builder
.build_right_shift(now_raw, i64_32, false, "now_lshr")
.into();
Some(ctx.builder.build_or(now_lo, now_hi, "now_or").into())
} else {
unreachable!()
}
}))),
),
(
"at_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "t".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(|ctx, _, _, args| {
let i32_type = ctx.ctx.i32_type();
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false).into();
if let BasicValueEnum::IntValue(time) = args[0].1 {
let time_hi = ctx.builder.build_int_truncate(
ctx.builder
.build_right_shift(time, i64_32, false, "now_lshr"),
i32_type,
"now_trunc",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::Generic),
"now_bitcast",
);
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(
now_hiptr,
&[i32_type.const_int(1, false).into()],
"now_gep",
)
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
None
} else {
unreachable!();
}
} else {
unreachable!();
}
}))),
),
(
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(|ctx, _, _, args| {
let i32_type = ctx.ctx.i32_type();
let i64_type = ctx.ctx.i64_type();
let i64_32 = i64_type.const_int(32, false).into();
let now = ctx
.module
.get_global("now")
.unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
if let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) =
(now_raw, args[0].1)
{
let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
let now_hi = ctx
.builder
.build_right_shift(now_raw, i64_32, false, "now_lshr")
.into();
let now_val = ctx.builder.build_or(now_lo, now_hi, "now_or");
let time = ctx.builder.build_int_add(now_val, dt, "now_add");
let time_hi = ctx.builder.build_int_truncate(
ctx.builder
.build_right_shift(time, i64_32, false, "now_lshr"),
i32_type,
"now_trunc",
);
let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
let now_hiptr = ctx.builder.build_bitcast(
now,
i32_type.ptr_type(AddressSpace::Generic),
"now_bitcast",
);
if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
let now_loptr = unsafe {
ctx.builder.build_gep(
now_hiptr,
&[i32_type.const_int(1, false).into()],
"now_gep",
)
};
ctx.builder
.build_store(now_hiptr, time_hi)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
ctx.builder
.build_store(now_loptr, time_lo)
.set_atomic_ordering(AtomicOrdering::SequentiallyConsistent)
.unwrap();
None
} else {
unreachable!();
}
} else {
unreachable!();
}
}))),
),
]
}