1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include "rust-compile-intrinsic.h"
namespace Rust {
namespace Compile {
Intrinsics::Intrinsics (Context *ctx) : ctx (ctx) {}
Bfunction *
Intrinsics::compile (TyTy::FnType *fntype)
{
rust_assert (fntype->get_abi () == ABI::INTRINSIC);
// https://github.com/rust-lang/rust/blob/master/library/core/src/intrinsics.rs
// https://github.com/rust-lang/rust/blob/master/compiler/rustc_codegen_llvm/src/intrinsic.rs
// https://github.com/Rust-GCC/gccrs/issues/658
// let llvm_name = match name {
// sym::sqrtf32 => "llvm.sqrt.f32",
// sym::sqrtf64 => "llvm.sqrt.f64",
// sym::powif32 => "llvm.powi.f32",
// sym::powif64 => "llvm.powi.f64",
// sym::sinf32 => "llvm.sin.f32",
// sym::sinf64 => "llvm.sin.f64",
// sym::cosf32 => "llvm.cos.f32",
// sym::cosf64 => "llvm.cos.f64",
// sym::powf32 => "llvm.pow.f32",
// sym::powf64 => "llvm.pow.f64",
// sym::expf32 => "llvm.exp.f32",
// sym::expf64 => "llvm.exp.f64",
// sym::exp2f32 => "llvm.exp2.f32",
// sym::exp2f64 => "llvm.exp2.f64",
// sym::logf32 => "llvm.log.f32",
// sym::logf64 => "llvm.log.f64",
// sym::log10f32 => "llvm.log10.f32",
// sym::log10f64 => "llvm.log10.f64",
// sym::log2f32 => "llvm.log2.f32",
// sym::log2f64 => "llvm.log2.f64",
// sym::fmaf32 => "llvm.fma.f32",
// sym::fmaf64 => "llvm.fma.f64",
// sym::fabsf32 => "llvm.fabs.f32",
// sym::fabsf64 => "llvm.fabs.f64",
// sym::minnumf32 => "llvm.minnum.f32",
// sym::minnumf64 => "llvm.minnum.f64",
// sym::maxnumf32 => "llvm.maxnum.f32",
// sym::maxnumf64 => "llvm.maxnum.f64",
// sym::copysignf32 => "llvm.copysign.f32",
// sym::copysignf64 => "llvm.copysign.f64",
// sym::floorf32 => "llvm.floor.f32",
// sym::floorf64 => "llvm.floor.f64",
// sym::ceilf32 => "llvm.ceil.f32",
// sym::ceilf64 => "llvm.ceil.f64",
// sym::truncf32 => "llvm.trunc.f32",
// sym::truncf64 => "llvm.trunc.f64",
// sym::rintf32 => "llvm.rint.f32",
// sym::rintf64 => "llvm.rint.f64",
// sym::nearbyintf32 => "llvm.nearbyint.f32",
// sym::nearbyintf64 => "llvm.nearbyint.f64",
// sym::roundf32 => "llvm.round.f32",
// sym::roundf64 => "llvm.round.f64",
// _ => return None,
// };
// Some(cx.get_intrinsic(&llvm_name))
Bfunction *builtin = ctx->get_backend ()->lookup_builtin_by_rust_name (
fntype->get_identifier ());
if (builtin != nullptr)
return builtin;
Location locus = ctx->get_mappings ()->lookup_location (fntype->get_ref ());
rust_error_at (locus, "unknown builtin");
return ctx->get_backend ()->error_function ();
}
} // namespace Compile
} // namespace Rust
|
