Merge #1445
1445: compile: Move and rename `SimpleIntrinsics` -> BuiltinsContext r=CohenArthur a=CohenArthur This will allow us to use the class for more than just math builtins Co-authored-by: Arthur Cohen <arthur.cohen@embecosm.com>
This commit is contained in:
bors[bot]
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commit
349b0f8ed4
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@ -0,0 +1,181 @@
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// This file is part of GCC.
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// GCC is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 3, or (at your option) any later
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// version.
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// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// You should have received a copy of the GNU General Public License
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// along with GCC; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#ifndef RUST_BUILTINS_H
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#define RUST_BUILTINS_H
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#include "rust-system.h"
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#include "tree.h"
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#include "langhooks.h"
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namespace Rust {
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namespace Compile {
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// https://github.com/rust-lang/rust/blob/master/library/core/src/intrinsics.rs
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// https://github.com/rust-lang/rust/blob/master/compiler/rustc_codegen_llvm/src/intrinsic.rs
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// https://github.com/Rust-GCC/gccrs/issues/658
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//
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// let llvm_name = match name {
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// sym::sqrtf32 => "llvm.sqrt.f32",
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// sym::sqrtf64 => "llvm.sqrt.f64",
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// sym::powif32 => "llvm.powi.f32",
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// sym::powif64 => "llvm.powi.f64",
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// sym::sinf32 => "llvm.sin.f32",
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// sym::sinf64 => "llvm.sin.f64",
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// sym::cosf32 => "llvm.cos.f32",
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// sym::cosf64 => "llvm.cos.f64",
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// sym::powf32 => "llvm.pow.f32",
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// sym::powf64 => "llvm.pow.f64",
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// sym::expf32 => "llvm.exp.f32",
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// sym::expf64 => "llvm.exp.f64",
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// sym::exp2f32 => "llvm.exp2.f32",
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// sym::exp2f64 => "llvm.exp2.f64",
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// sym::logf32 => "llvm.log.f32",
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// sym::logf64 => "llvm.log.f64",
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// sym::log10f32 => "llvm.log10.f32",
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// sym::log10f64 => "llvm.log10.f64",
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// sym::log2f32 => "llvm.log2.f32",
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// sym::log2f64 => "llvm.log2.f64",
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// sym::fmaf32 => "llvm.fma.f32",
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// sym::fmaf64 => "llvm.fma.f64",
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// sym::fabsf32 => "llvm.fabs.f32",
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// sym::fabsf64 => "llvm.fabs.f64",
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// sym::minnumf32 => "llvm.minnum.f32",
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// sym::minnumf64 => "llvm.minnum.f64",
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// sym::maxnumf32 => "llvm.maxnum.f32",
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// sym::maxnumf64 => "llvm.maxnum.f64",
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// sym::copysignf32 => "llvm.copysign.f32",
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// sym::copysignf64 => "llvm.copysign.f64",
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// sym::floorf32 => "llvm.floor.f32",
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// sym::floorf64 => "llvm.floor.f64",
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// sym::ceilf32 => "llvm.ceil.f32",
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// sym::ceilf64 => "llvm.ceil.f64",
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// sym::truncf32 => "llvm.trunc.f32",
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// sym::truncf64 => "llvm.trunc.f64",
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// sym::rintf32 => "llvm.rint.f32",
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// sym::rintf64 => "llvm.rint.f64",
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// sym::nearbyintf32 => "llvm.nearbyint.f32",
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// sym::nearbyintf64 => "llvm.nearbyint.f64",
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// sym::roundf32 => "llvm.round.f32",
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// sym::roundf64 => "llvm.round.f64",
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// _ => return None,
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// };
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// Some(cx.get_intrinsic(&llvm_name))
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class BuiltinsContext
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{
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public:
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static BuiltinsContext &get ()
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{
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static BuiltinsContext instance;
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return instance;
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}
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bool lookup_simple_builtin (const std::string &name, tree *builtin)
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{
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auto it = rust_intrinsic_to_gcc_builtin.find (name);
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if (it == rust_intrinsic_to_gcc_builtin.end ())
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return false;
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return lookup_gcc_builtin (it->second, builtin);
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}
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private:
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static const int builtin_const = 1 << 0;
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static const int builtin_noreturn = 1 << 1;
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static const int builtin_novops = 1 << 2;
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BuiltinsContext () { setup (); }
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void setup ()
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{
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tree math_function_type_f32
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= build_function_type_list (float_type_node, float_type_node, NULL_TREE);
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define_builtin ("sinf32", BUILT_IN_SINF, "__builtin_sinf", "sinf",
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math_function_type_f32, builtin_const);
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define_builtin ("sqrtf32", BUILT_IN_SQRTF, "__builtin_sqrtf", "sqrtf",
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math_function_type_f32, builtin_const);
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define_builtin ("unreachable", BUILT_IN_UNREACHABLE,
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"__builtin_unreachable", NULL,
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build_function_type (void_type_node, void_list_node),
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builtin_const | builtin_noreturn);
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define_builtin ("abort", BUILT_IN_ABORT, "__builtin_abort", "abort",
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build_function_type (void_type_node, void_list_node),
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builtin_const | builtin_noreturn);
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define_builtin ("breakpoint", BUILT_IN_TRAP, "__builtin_trap", "breakpoint",
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build_function_type (void_type_node, void_list_node),
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builtin_const | builtin_noreturn);
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}
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// Define a builtin function. BCODE is the builtin function code
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// defined by builtins.def. NAME is the name of the builtin function.
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// LIBNAME is the name of the corresponding library function, and is
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// NULL if there isn't one. FNTYPE is the type of the function.
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// CONST_P is true if the function has the const attribute.
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// NORETURN_P is true if the function has the noreturn attribute.
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void define_builtin (const std::string rust_name, built_in_function bcode,
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const char *name, const char *libname, tree fntype,
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int flags)
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{
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tree decl = add_builtin_function (name, fntype, bcode, BUILT_IN_NORMAL,
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libname, NULL_TREE);
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if ((flags & builtin_const) != 0)
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TREE_READONLY (decl) = 1;
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if ((flags & builtin_noreturn) != 0)
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TREE_THIS_VOLATILE (decl) = 1;
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if ((flags & builtin_novops) != 0)
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DECL_IS_NOVOPS (decl) = 1;
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set_builtin_decl (bcode, decl, true);
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this->builtin_functions_[name] = decl;
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if (libname != NULL)
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{
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decl = add_builtin_function (libname, fntype, bcode, BUILT_IN_NORMAL,
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NULL, NULL_TREE);
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if ((flags & builtin_const) != 0)
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TREE_READONLY (decl) = 1;
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if ((flags & builtin_noreturn) != 0)
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TREE_THIS_VOLATILE (decl) = 1;
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if ((flags & builtin_novops) != 0)
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DECL_IS_NOVOPS (decl) = 1;
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this->builtin_functions_[libname] = decl;
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}
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rust_intrinsic_to_gcc_builtin[rust_name] = name;
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}
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bool lookup_gcc_builtin (const std::string &name, tree *builtin)
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{
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auto it = builtin_functions_.find (name);
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if (it == builtin_functions_.end ())
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return false;
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*builtin = it->second;
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return true;
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}
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// A mapping of the GCC built-ins exposed to GCC Rust.
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std::map<std::string, tree> builtin_functions_;
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std::map<std::string, std::string> rust_intrinsic_to_gcc_builtin;
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};
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} // namespace Compile
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} // namespace Rust
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#endif // RUST_BUILTINS_H
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@ -20,6 +20,7 @@
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#include "rust-compile-context.h"
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#include "rust-compile-type.h"
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#include "rust-compile-fnparam.h"
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#include "rust-builtins.h"
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#include "rust-diagnostics.h"
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#include "rust-location.h"
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#include "rust-tree.h"
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@ -28,157 +29,6 @@
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namespace Rust {
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namespace Compile {
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// https://github.com/rust-lang/rust/blob/master/library/core/src/intrinsics.rs
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// https://github.com/rust-lang/rust/blob/master/compiler/rustc_codegen_llvm/src/intrinsic.rs
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// https://github.com/Rust-GCC/gccrs/issues/658
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//
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// let llvm_name = match name {
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// sym::sqrtf32 => "llvm.sqrt.f32",
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// sym::sqrtf64 => "llvm.sqrt.f64",
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// sym::powif32 => "llvm.powi.f32",
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// sym::powif64 => "llvm.powi.f64",
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// sym::sinf32 => "llvm.sin.f32",
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// sym::sinf64 => "llvm.sin.f64",
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// sym::cosf32 => "llvm.cos.f32",
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// sym::cosf64 => "llvm.cos.f64",
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// sym::powf32 => "llvm.pow.f32",
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// sym::powf64 => "llvm.pow.f64",
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// sym::expf32 => "llvm.exp.f32",
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// sym::expf64 => "llvm.exp.f64",
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// sym::exp2f32 => "llvm.exp2.f32",
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// sym::exp2f64 => "llvm.exp2.f64",
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// sym::logf32 => "llvm.log.f32",
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// sym::logf64 => "llvm.log.f64",
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// sym::log10f32 => "llvm.log10.f32",
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// sym::log10f64 => "llvm.log10.f64",
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// sym::log2f32 => "llvm.log2.f32",
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// sym::log2f64 => "llvm.log2.f64",
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// sym::fmaf32 => "llvm.fma.f32",
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// sym::fmaf64 => "llvm.fma.f64",
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// sym::fabsf32 => "llvm.fabs.f32",
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// sym::fabsf64 => "llvm.fabs.f64",
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// sym::minnumf32 => "llvm.minnum.f32",
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// sym::minnumf64 => "llvm.minnum.f64",
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// sym::maxnumf32 => "llvm.maxnum.f32",
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// sym::maxnumf64 => "llvm.maxnum.f64",
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// sym::copysignf32 => "llvm.copysign.f32",
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// sym::copysignf64 => "llvm.copysign.f64",
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// sym::floorf32 => "llvm.floor.f32",
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// sym::floorf64 => "llvm.floor.f64",
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// sym::ceilf32 => "llvm.ceil.f32",
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// sym::ceilf64 => "llvm.ceil.f64",
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// sym::truncf32 => "llvm.trunc.f32",
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// sym::truncf64 => "llvm.trunc.f64",
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// sym::rintf32 => "llvm.rint.f32",
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// sym::rintf64 => "llvm.rint.f64",
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// sym::nearbyintf32 => "llvm.nearbyint.f32",
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// sym::nearbyintf64 => "llvm.nearbyint.f64",
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// sym::roundf32 => "llvm.round.f32",
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// sym::roundf64 => "llvm.round.f64",
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// _ => return None,
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// };
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// Some(cx.get_intrinsic(&llvm_name))
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class SimpleIntrinsics
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{
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public:
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static SimpleIntrinsics &get ()
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{
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static SimpleIntrinsics instance;
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return instance;
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}
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bool lookup_simple_builtin (const std::string &name, tree *builtin)
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{
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auto it = rust_intrinsic_to_gcc_builtin.find (name);
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if (it == rust_intrinsic_to_gcc_builtin.end ())
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return false;
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return lookup_gcc_builtin (it->second, builtin);
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}
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private:
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static const int builtin_const = 1 << 0;
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static const int builtin_noreturn = 1 << 1;
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static const int builtin_novops = 1 << 2;
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SimpleIntrinsics () { setup (); }
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void setup ()
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{
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tree math_function_type_f32
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= build_function_type_list (float_type_node, float_type_node, NULL_TREE);
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define_builtin ("sinf32", BUILT_IN_SINF, "__builtin_sinf", "sinf",
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math_function_type_f32, builtin_const);
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define_builtin ("sqrtf32", BUILT_IN_SQRTF, "__builtin_sqrtf", "sqrtf",
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math_function_type_f32, builtin_const);
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define_builtin ("unreachable", BUILT_IN_UNREACHABLE,
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"__builtin_unreachable", NULL,
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build_function_type (void_type_node, void_list_node),
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builtin_const | builtin_noreturn);
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define_builtin ("abort", BUILT_IN_ABORT, "__builtin_abort", "abort",
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build_function_type (void_type_node, void_list_node),
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builtin_const | builtin_noreturn);
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define_builtin ("breakpoint", BUILT_IN_TRAP, "__builtin_trap", "breakpoint",
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build_function_type (void_type_node, void_list_node),
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builtin_const | builtin_noreturn);
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}
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// Define a builtin function. BCODE is the builtin function code
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// defined by builtins.def. NAME is the name of the builtin function.
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// LIBNAME is the name of the corresponding library function, and is
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// NULL if there isn't one. FNTYPE is the type of the function.
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// CONST_P is true if the function has the const attribute.
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// NORETURN_P is true if the function has the noreturn attribute.
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void define_builtin (const std::string rust_name, built_in_function bcode,
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const char *name, const char *libname, tree fntype,
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int flags)
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{
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tree decl = add_builtin_function (name, fntype, bcode, BUILT_IN_NORMAL,
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libname, NULL_TREE);
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if ((flags & builtin_const) != 0)
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TREE_READONLY (decl) = 1;
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if ((flags & builtin_noreturn) != 0)
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TREE_THIS_VOLATILE (decl) = 1;
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if ((flags & builtin_novops) != 0)
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DECL_IS_NOVOPS (decl) = 1;
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set_builtin_decl (bcode, decl, true);
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this->builtin_functions_[name] = decl;
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if (libname != NULL)
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{
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decl = add_builtin_function (libname, fntype, bcode, BUILT_IN_NORMAL,
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NULL, NULL_TREE);
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if ((flags & builtin_const) != 0)
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TREE_READONLY (decl) = 1;
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if ((flags & builtin_noreturn) != 0)
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TREE_THIS_VOLATILE (decl) = 1;
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if ((flags & builtin_novops) != 0)
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DECL_IS_NOVOPS (decl) = 1;
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this->builtin_functions_[libname] = decl;
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}
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rust_intrinsic_to_gcc_builtin[rust_name] = name;
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}
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bool lookup_gcc_builtin (const std::string &name, tree *builtin)
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{
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auto it = builtin_functions_.find (name);
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if (it == builtin_functions_.end ())
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return false;
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*builtin = it->second;
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return true;
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}
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// A mapping of the GCC built-ins exposed to GCC Rust.
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std::map<std::string, tree> builtin_functions_;
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std::map<std::string, std::string> rust_intrinsic_to_gcc_builtin;
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};
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static tree
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offset_intrinsic_handler (Context *ctx, TyTy::BaseType *fntype);
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static tree
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@ -214,9 +64,8 @@ Intrinsics::compile (TyTy::FnType *fntype)
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rust_assert (fntype->get_abi () == ABI::INTRINSIC);
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tree builtin = error_mark_node;
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SimpleIntrinsics &simple_intrinsics = SimpleIntrinsics::get ();
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if (simple_intrinsics.lookup_simple_builtin (fntype->get_identifier (),
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&builtin))
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BuiltinsContext &builtin_ctx = BuiltinsContext::get ();
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if (builtin_ctx.lookup_simple_builtin (fntype->get_identifier (), &builtin))
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return builtin;
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// is it an generic builtin?
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@ -18,6 +18,7 @@
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#define RUST_COMPILE_INTRINSIC
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#include "rust-compile-context.h"
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#include "langhooks.h"
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namespace Rust {
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namespace Compile {
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