forked from M-Labs/nac3
nac3artiq: refactor timeline functions
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c5e731f16d
commit
c429a86586
@ -163,6 +163,108 @@ impl Nac3 {
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}
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}
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// ARTIQ timeline control with now-pinning optimization.
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// This is a bit of mess due to endianness issues.
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// Modify gateware to make `now` little-endian, since we don't have OpenRISC anymore?
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fn timeline_builtins(primitive: &PrimitiveStore) -> Vec<(StrRef, FunSignature, Arc<GenCall>)> {
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vec![(
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"now_mu".into(),
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FunSignature {
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args: vec![],
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ret: primitive.int64,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(
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|ctx, _, _, _| {
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let i64_type = ctx.ctx.i64_type();
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let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
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let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
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if let BasicValueEnum::IntValue(now_raw) = now_raw {
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let i64_32 = i64_type.const_int(32, false).into();
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let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
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let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
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Some(ctx.builder.build_or(now_lo, now_hi, "now_or").into())
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} else {
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unreachable!()
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}
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}
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)))
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),(
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"at_mu".into(),
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FunSignature {
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args: vec![FuncArg {
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name: "t".into(),
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ty: primitive.int64,
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default_value: None,
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}],
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ret: primitive.none,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(
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|ctx, _, _, args| {
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let i32_type = ctx.ctx.i64_type();
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let i64_type = ctx.ctx.i64_type();
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let i64_32 = i64_type.const_int(32, false).into();
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if let BasicValueEnum::IntValue(time) = args[0].1 {
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let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
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let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
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let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
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let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
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if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
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let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
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ctx.builder.build_store(now_hiptr, time_hi);
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ctx.builder.build_store(now_loptr, time_lo);
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None
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} else {
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unreachable!();
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}
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} else {
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unreachable!();
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}
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}
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)))
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),(
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"delay_mu".into(),
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FunSignature {
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args: vec![FuncArg {
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name: "dt".into(),
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ty: primitive.int64,
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default_value: None,
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}],
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ret: primitive.none,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(
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|ctx, _, _, args| {
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let i32_type = ctx.ctx.i64_type();
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let i64_type = ctx.ctx.i64_type();
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let i64_32 = i64_type.const_int(32, false).into();
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let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
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let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
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if let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) = (now_raw, args[0].1) {
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let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
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let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
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let now_val = ctx.builder.build_or(now_lo, now_hi, "now_or");
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let time = ctx.builder.build_int_add(now_val, dt, "now_add");
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let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
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let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
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let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
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if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
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let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
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ctx.builder.build_store(now_hiptr, time_hi);
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ctx.builder.build_store(now_loptr, time_lo);
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None
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} else {
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unreachable!();
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}
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} else {
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unreachable!();
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}
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}
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)))
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)]
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}
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#[pymethods]
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impl Nac3 {
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#[new]
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@ -173,107 +275,7 @@ impl Nac3 {
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_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
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};
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let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
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let mut builtins = vec![];
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if isa == Isa::RiscV {
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builtins.push((
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"now_mu".into(),
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FunSignature {
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args: vec![],
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ret: primitive.int64,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(
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|ctx, _, _, _| {
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let i64_type = ctx.ctx.i64_type();
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let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
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let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
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if let BasicValueEnum::IntValue(now_raw) = now_raw {
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let i64_32 = i64_type.const_int(32, false).into();
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let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
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let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
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Some(ctx.builder.build_or(now_lo, now_hi, "now_or").into())
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} else {
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unreachable!()
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}
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}
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)))
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));
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builtins.push((
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"at_mu".into(),
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FunSignature {
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args: vec![FuncArg {
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name: "t".into(),
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ty: primitive.int64,
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default_value: None,
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}],
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ret: primitive.none,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(
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|ctx, _, _, args| {
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let i32_type = ctx.ctx.i64_type();
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let i64_type = ctx.ctx.i64_type();
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let i64_32 = i64_type.const_int(32, false).into();
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if let BasicValueEnum::IntValue(time) = args[0].1 {
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let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
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let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
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let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
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let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
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if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
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let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
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ctx.builder.build_store(now_hiptr, time_hi);
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ctx.builder.build_store(now_loptr, time_lo);
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None
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} else {
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unreachable!();
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}
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} else {
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unreachable!();
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}
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}
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)))
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));
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builtins.push((
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"delay_mu".into(),
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FunSignature {
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args: vec![FuncArg {
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name: "dt".into(),
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ty: primitive.int64,
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default_value: None,
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}],
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ret: primitive.none,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(
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|ctx, _, _, args| {
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let i32_type = ctx.ctx.i64_type();
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let i64_type = ctx.ctx.i64_type();
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let i64_32 = i64_type.const_int(32, false).into();
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let now = ctx.module.get_global("now").unwrap_or_else(|| ctx.module.add_global(i64_type, None, "now"));
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let now_raw = ctx.builder.build_load(now.as_pointer_value(), "now");
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if let (BasicValueEnum::IntValue(now_raw), BasicValueEnum::IntValue(dt)) = (now_raw, args[0].1) {
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let now_lo = ctx.builder.build_left_shift(now_raw, i64_32, "now_shl");
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let now_hi = ctx.builder.build_right_shift(now_raw, i64_32, false, "now_lshr").into();
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let now_val = ctx.builder.build_or(now_lo, now_hi, "now_or");
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let time = ctx.builder.build_int_add(now_val, dt, "now_add");
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let time_hi = ctx.builder.build_int_truncate(ctx.builder.build_right_shift(time, i64_32, false, "now_lshr"), i32_type, "now_trunc");
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let time_lo = ctx.builder.build_int_truncate(time, i32_type, "now_trunc");
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let now_hiptr = ctx.builder.build_bitcast(now, i32_type.ptr_type(AddressSpace::Generic), "now_bitcast");
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if let BasicValueEnum::PointerValue(now_hiptr) = now_hiptr {
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let now_loptr = unsafe { ctx.builder.build_gep(now_hiptr, &[i32_type.const_int(1, false).into()], "now_gep") };
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ctx.builder.build_store(now_hiptr, time_hi);
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ctx.builder.build_store(now_loptr, time_lo);
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None
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} else {
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unreachable!();
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}
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} else {
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unreachable!();
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}
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}
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)))
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));
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}
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let builtins = if isa == Isa::RiscV { timeline_builtins(&primitive) } else { vec![] };
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let (composer, builtins_def, builtins_ty) = TopLevelComposer::new(builtins);
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Ok(Nac3 {
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isa,
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