diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/abi.rs | 4 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/allocator.rs | 44 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/builder.rs | 95 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/common.rs | 25 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/context.rs | 38 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/debuginfo.rs | 6 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/declare.rs | 5 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/archs.rs | 124 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/llvm.rs | 37 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/mod.rs | 25 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/simd.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/lib.rs | 7 |
12 files changed, 225 insertions, 187 deletions
diff --git a/compiler/rustc_codegen_gcc/src/abi.rs b/compiler/rustc_codegen_gcc/src/abi.rs index 08f3d281904..0b359f1c5c8 100644 --- a/compiler/rustc_codegen_gcc/src/abi.rs +++ b/compiler/rustc_codegen_gcc/src/abi.rs @@ -1,7 +1,9 @@ #[cfg(feature = "master")] use gccjit::FnAttribute; use gccjit::{ToLValue, ToRValue, Type}; -use rustc_abi::{ArmCall, CanonAbi, InterruptKind, Reg, RegKind, X86Call}; +#[cfg(feature = "master")] +use rustc_abi::{ArmCall, CanonAbi, InterruptKind, X86Call}; +use rustc_abi::{Reg, RegKind}; use rustc_codegen_ssa::traits::{AbiBuilderMethods, BaseTypeCodegenMethods}; use rustc_data_structures::fx::FxHashSet; use rustc_middle::bug; diff --git a/compiler/rustc_codegen_gcc/src/allocator.rs b/compiler/rustc_codegen_gcc/src/allocator.rs index cf8aa500c77..0d8dc93274f 100644 --- a/compiler/rustc_codegen_gcc/src/allocator.rs +++ b/compiler/rustc_codegen_gcc/src/allocator.rs @@ -1,6 +1,6 @@ -use gccjit::{Context, FunctionType, GlobalKind, ToRValue, Type}; #[cfg(feature = "master")] -use gccjit::{FnAttribute, VarAttribute}; +use gccjit::FnAttribute; +use gccjit::{Context, FunctionType, RValue, ToRValue, Type}; use rustc_ast::expand::allocator::{ ALLOCATOR_METHODS, AllocatorKind, AllocatorTy, NO_ALLOC_SHIM_IS_UNSTABLE, alloc_error_handler_name, default_fn_name, global_fn_name, @@ -71,15 +71,13 @@ pub(crate) unsafe fn codegen( None, ); - let name = mangle_internal_symbol(tcx, OomStrategy::SYMBOL); - let global = context.new_global(None, GlobalKind::Exported, i8, name); - #[cfg(feature = "master")] - global.add_attribute(VarAttribute::Visibility(symbol_visibility_to_gcc( - tcx.sess.default_visibility(), - ))); - let value = tcx.sess.opts.unstable_opts.oom.should_panic(); - let value = context.new_rvalue_from_int(i8, value as i32); - global.global_set_initializer_rvalue(value); + create_const_value_function( + tcx, + context, + &mangle_internal_symbol(tcx, OomStrategy::SYMBOL), + i8, + context.new_rvalue_from_int(i8, tcx.sess.opts.unstable_opts.oom.should_panic() as i32), + ); create_wrapper_function( tcx, @@ -91,6 +89,30 @@ pub(crate) unsafe fn codegen( ); } +fn create_const_value_function( + tcx: TyCtxt<'_>, + context: &Context<'_>, + name: &str, + output: Type<'_>, + value: RValue<'_>, +) { + let func = context.new_function(None, FunctionType::Exported, output, &[], name, false); + + #[cfg(feature = "master")] + func.add_attribute(FnAttribute::Visibility(symbol_visibility_to_gcc( + tcx.sess.default_visibility(), + ))); + + func.add_attribute(FnAttribute::AlwaysInline); + + if tcx.sess.must_emit_unwind_tables() { + // TODO(antoyo): emit unwind tables. + } + + let block = func.new_block("entry"); + block.end_with_return(None, value); +} + fn create_wrapper_function( tcx: TyCtxt<'_>, context: &Context<'_>, diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index 7852aebe0c2..b1785af444a 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -520,8 +520,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.block } - fn append_block(cx: &'a CodegenCx<'gcc, 'tcx>, func: RValue<'gcc>, name: &str) -> Block<'gcc> { - let func = cx.rvalue_as_function(func); + fn append_block(_: &'a CodegenCx<'gcc, 'tcx>, func: Function<'gcc>, name: &str) -> Block<'gcc> { func.new_block(name) } @@ -539,11 +538,6 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { } fn ret(&mut self, mut value: RValue<'gcc>) { - if self.structs_as_pointer.borrow().contains(&value) { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - value = value.dereference(self.location).to_rvalue(); - } let expected_return_type = self.current_func().get_return_type(); if !expected_return_type.is_compatible_with(value.get_type()) { // NOTE: due to opaque pointers now being used, we need to cast here. @@ -701,7 +695,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { let a = self.gcc_int_cast(a, a_type); let b_type = b.get_type().to_unsigned(self); let b = self.gcc_int_cast(b, b_type); - a / b + self.gcc_udiv(a, b) } fn sdiv(&mut self, a: RValue<'gcc>, b: RValue<'gcc>) -> RValue<'gcc> { @@ -713,8 +707,8 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { // FIXME(antoyo): rustc_codegen_ssa::mir::intrinsic uses different types for a and b but they // should be the same. let typ = a.get_type().to_signed(self); - let b = self.context.new_cast(self.location, b, typ); - a / b + let b = self.gcc_int_cast(b, typ); + self.gcc_sdiv(a, b) } fn fdiv(&mut self, a: RValue<'gcc>, b: RValue<'gcc>) -> RValue<'gcc> { @@ -782,6 +776,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { return self.context.new_call(self.location, fmod, &[a, b]); } TypeKind::FP128 => { + // TODO(antoyo): use get_simple_function_f128_2args. let f128_type = self.type_f128(); let fmodf128 = self.context.new_function( None, @@ -938,22 +933,36 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { fn load(&mut self, pointee_ty: Type<'gcc>, ptr: RValue<'gcc>, align: Align) -> RValue<'gcc> { let block = self.llbb(); let function = block.get_function(); + // NOTE(FractalFir): In some cases, we *should* skip the call to get_aligned. + // For example, calling `get_aligned` on a i8 is pointless(since it can only be 1 aligned) + // Calling get_aligned on a `u128`/`i128` causes the attribute to become "stacked" + // + // From GCCs perspective: + // __int128_t __attribute__((aligned(16))) __attribute__((aligned(16))) + // and: + // __int128_t __attribute__((aligned(16))) + // are 2 distinct, incompatible types. + // + // So, we skip the call to `get_aligned` in such a case. *Ideally*, we could do this for all the types, + // but the GCC APIs to facilitate this just aren't quite there yet. + + // This checks that we only skip `get_aligned` on 128 bit ints if they have the correct alignment. + // Otherwise, this may be an under-aligned load, so we will still call get_aligned. + let mut can_skip_align = (pointee_ty == self.cx.u128_type + || pointee_ty == self.cx.i128_type) + && align == self.int128_align; + // We can skip the call to `get_aligned` for byte-sized types with alignment of 1. + can_skip_align = can_skip_align + || (pointee_ty == self.cx.u8_type || pointee_ty == self.cx.i8_type) + && align.bytes() == 1; + // Skip the call to `get_aligned` when possible. + let aligned_type = + if can_skip_align { pointee_ty } else { pointee_ty.get_aligned(align.bytes()) }; + + let ptr = self.context.new_cast(self.location, ptr, aligned_type.make_pointer()); // NOTE: instead of returning the dereference here, we have to assign it to a variable in // the current basic block. Otherwise, it could be used in another basic block, causing a // dereference after a drop, for instance. - // FIXME(antoyo): this check that we don't call get_aligned() a second time on a type. - // Ideally, we shouldn't need to do this check. - // FractalFir: the `align == self.int128_align` check ensures we *do* call `get_aligned` if - // the alignment of a `u128`/`i128` is not the one mandated by the ABI. This ensures we handle - // under-aligned loads correctly. - let aligned_type = if (pointee_ty == self.cx.u128_type || pointee_ty == self.cx.i128_type) - && align == self.int128_align - { - pointee_ty - } else { - pointee_ty.get_aligned(align.bytes()) - }; - let ptr = self.context.new_cast(self.location, ptr, aligned_type.make_pointer()); let deref = ptr.dereference(self.location).to_rvalue(); let loaded_value = function.new_local( self.location, @@ -1488,16 +1497,6 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { element.get_address(self.location) } else if value_type.dyncast_vector().is_some() { panic!(); - } else if let Some(pointer_type) = value_type.get_pointee() { - if let Some(struct_type) = pointer_type.is_struct() { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - aggregate_value - .dereference_field(self.location, struct_type.get_field(idx as i32)) - .to_rvalue() - } else { - panic!("Unexpected type {:?}", value_type); - } } else if let Some(struct_type) = value_type.is_struct() { aggregate_value .access_field(self.location, struct_type.get_field(idx as i32)) @@ -1517,21 +1516,18 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { assert_eq!(idx as usize as u64, idx); let value_type = aggregate_value.get_type(); + let new_val = self.current_func().new_local(None, value_type, "aggregate_value"); + self.block.add_assignment(None, new_val, aggregate_value); + let lvalue = if value_type.dyncast_array().is_some() { let index = self .context .new_rvalue_from_long(self.u64_type, i64::try_from(idx).expect("i64::try_from")); - self.context.new_array_access(self.location, aggregate_value, index) + self.context.new_array_access(self.location, new_val, index) } else if value_type.dyncast_vector().is_some() { panic!(); - } else if let Some(pointer_type) = value_type.get_pointee() { - if let Some(struct_type) = pointer_type.is_struct() { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - aggregate_value.dereference_field(self.location, struct_type.get_field(idx as i32)) - } else { - panic!("Unexpected type {:?}", value_type); - } + } else if let Some(struct_type) = value_type.is_struct() { + new_val.access_field(None, struct_type.get_field(idx as i32)) } else { panic!("Unexpected type {:?}", value_type); }; @@ -1548,19 +1544,16 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.llbb().add_assignment(self.location, lvalue, value); - aggregate_value + new_val.to_rvalue() } - fn set_personality_fn(&mut self, _personality: RValue<'gcc>) { + fn set_personality_fn(&mut self, _personality: Function<'gcc>) { #[cfg(feature = "master")] - { - let personality = self.rvalue_as_function(_personality); - self.current_func().set_personality_function(personality); - } + self.current_func().set_personality_function(_personality); } #[cfg(feature = "master")] - fn cleanup_landing_pad(&mut self, pers_fn: RValue<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { + fn cleanup_landing_pad(&mut self, pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { self.set_personality_fn(pers_fn); // NOTE: insert the current block in a variable so that a later call to invoke knows to @@ -1581,7 +1574,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { } #[cfg(not(feature = "master"))] - fn cleanup_landing_pad(&mut self, _pers_fn: RValue<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { + fn cleanup_landing_pad(&mut self, _pers_fn: Function<'gcc>) -> (RValue<'gcc>, RValue<'gcc>) { let value1 = self .current_func() .new_local(self.location, self.u8_type.make_pointer(), "landing_pad0") @@ -1591,7 +1584,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { (value1, value2) } - fn filter_landing_pad(&mut self, pers_fn: RValue<'gcc>) { + fn filter_landing_pad(&mut self, pers_fn: Function<'gcc>) { // TODO(antoyo): generate the correct landing pad self.cleanup_landing_pad(pers_fn); } diff --git a/compiler/rustc_codegen_gcc/src/common.rs b/compiler/rustc_codegen_gcc/src/common.rs index 58ff2f1f8f0..dd582834fac 100644 --- a/compiler/rustc_codegen_gcc/src/common.rs +++ b/compiler/rustc_codegen_gcc/src/common.rs @@ -117,15 +117,7 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> { fn const_undef(&self, typ: Type<'gcc>) -> RValue<'gcc> { let local = self.current_func.borrow().expect("func").new_local(None, typ, "undefined"); - if typ.is_struct().is_some() { - // NOTE: hack to workaround a limitation of the rustc API: see comment on - // CodegenCx.structs_as_pointer - let pointer = local.get_address(None); - self.structs_as_pointer.borrow_mut().insert(pointer); - pointer - } else { - local.to_rvalue() - } + local.to_rvalue() } fn const_poison(&self, typ: Type<'gcc>) -> RValue<'gcc> { @@ -234,19 +226,6 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> { match cv { Scalar::Int(int) => { let data = int.to_bits(layout.size(self)); - - // FIXME(antoyo): there's some issues with using the u128 code that follows, so hard-code - // the paths for floating-point values. - // TODO: Remove this code? - /*if ty == self.float_type { - return self - .context - .new_rvalue_from_double(ty, f32::from_bits(data as u32) as f64); - } - if ty == self.double_type { - return self.context.new_rvalue_from_double(ty, f64::from_bits(data as u64)); - }*/ - let value = self.const_uint_big(self.type_ix(bitsize), data); let bytesize = layout.size(self).bytes(); if bitsize > 1 && ty.is_integral() && bytesize as u32 == ty.get_size() { @@ -261,7 +240,7 @@ impl<'gcc, 'tcx> ConstCodegenMethods for CodegenCx<'gcc, 'tcx> { } } Scalar::Ptr(ptr, _size) => { - let (prov, offset) = ptr.into_parts(); // we know the `offset` is relative + let (prov, offset) = ptr.prov_and_relative_offset(); let alloc_id = prov.alloc_id(); let base_addr = match self.tcx.global_alloc(alloc_id) { GlobalAlloc::Memory(alloc) => { diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs index ff141ad365b..665cf22ddba 100644 --- a/compiler/rustc_codegen_gcc/src/context.rs +++ b/compiler/rustc_codegen_gcc/src/context.rs @@ -118,19 +118,12 @@ pub struct CodegenCx<'gcc, 'tcx> { /// A counter that is used for generating local symbol names local_gen_sym_counter: Cell<usize>, - eh_personality: Cell<Option<RValue<'gcc>>>, + eh_personality: Cell<Option<Function<'gcc>>>, #[cfg(feature = "master")] pub rust_try_fn: Cell<Option<(Type<'gcc>, Function<'gcc>)>>, pub pointee_infos: RefCell<FxHashMap<(Ty<'tcx>, Size), Option<PointeeInfo>>>, - /// NOTE: a hack is used because the rustc API is not suitable to libgccjit and as such, - /// `const_undef()` returns struct as pointer so that they can later be assigned a value. - /// As such, this set remembers which of these pointers were returned by this function so that - /// they can be dereferenced later. - /// FIXME(antoyo): fix the rustc API to avoid having this hack. - pub structs_as_pointer: RefCell<FxHashSet<RValue<'gcc>>>, - #[cfg(feature = "master")] pub cleanup_blocks: RefCell<FxHashSet<Block<'gcc>>>, /// The alignment of a u128/i128 type. @@ -155,6 +148,13 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(rust_type)) .unwrap(); let align = layout.align.abi.bytes(); + // For types with size 1, the alignment can be 1 and only 1 + // So, we can skip the call to ``get_aligned`. + // In the future, we can add a GCC API to query the type align, + // and call `get_aligned` if and only if that differs from Rust's expectations. + if layout.size.bytes() == 1 { + return context.new_c_type(ctype); + } #[cfg(feature = "master")] { context.new_c_type(ctype).get_aligned(align) @@ -296,7 +296,6 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { #[cfg(feature = "master")] rust_try_fn: Cell::new(None), pointee_infos: Default::default(), - structs_as_pointer: Default::default(), #[cfg(feature = "master")] cleanup_blocks: Default::default(), }; @@ -373,8 +372,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { impl<'gcc, 'tcx> BackendTypes for CodegenCx<'gcc, 'tcx> { type Value = RValue<'gcc>; type Metadata = RValue<'gcc>; - // TODO(antoyo): change to Function<'gcc>. - type Function = RValue<'gcc>; + type Function = Function<'gcc>; type BasicBlock = Block<'gcc>; type Type = Type<'gcc>; @@ -392,11 +390,10 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { &self.vtables } - fn get_fn(&self, instance: Instance<'tcx>) -> RValue<'gcc> { + fn get_fn(&self, instance: Instance<'tcx>) -> Function<'gcc> { let func = get_fn(self, instance); *self.current_func.borrow_mut() = Some(func); - // FIXME(antoyo): this is a wrong cast. That requires changing the compiler API. - unsafe { std::mem::transmute(func) } + func } fn get_fn_addr(&self, instance: Instance<'tcx>) -> RValue<'gcc> { @@ -420,7 +417,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { ptr } - fn eh_personality(&self) -> RValue<'gcc> { + fn eh_personality(&self) -> Function<'gcc> { // The exception handling personality function. // // If our compilation unit has the `eh_personality` lang item somewhere @@ -458,9 +455,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { let symbol_name = tcx.symbol_name(instance).name; let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty()); self.linkage.set(FunctionType::Extern); - let func = self.declare_fn(symbol_name, fn_abi); - let func: RValue<'gcc> = unsafe { std::mem::transmute(func) }; - func + self.declare_fn(symbol_name, fn_abi) } _ => { let name = if wants_msvc_seh(self.sess()) { @@ -468,8 +463,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { } else { "rust_eh_personality" }; - let func = self.declare_func(name, self.type_i32(), &[], true); - unsafe { std::mem::transmute::<Function<'gcc>, RValue<'gcc>>(func) } + self.declare_func(name, self.type_i32(), &[], true) } }; // TODO(antoyo): apply target cpu attributes. @@ -481,11 +475,11 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { self.tcx.sess } - fn set_frame_pointer_type(&self, _llfn: RValue<'gcc>) { + fn set_frame_pointer_type(&self, _llfn: Function<'gcc>) { // TODO(antoyo) } - fn apply_target_cpu_attr(&self, _llfn: RValue<'gcc>) { + fn apply_target_cpu_attr(&self, _llfn: Function<'gcc>) { // TODO(antoyo) } diff --git a/compiler/rustc_codegen_gcc/src/debuginfo.rs b/compiler/rustc_codegen_gcc/src/debuginfo.rs index 3a265fbc64f..4c8585192a1 100644 --- a/compiler/rustc_codegen_gcc/src/debuginfo.rs +++ b/compiler/rustc_codegen_gcc/src/debuginfo.rs @@ -1,7 +1,7 @@ use std::ops::Range; use std::sync::Arc; -use gccjit::{Location, RValue}; +use gccjit::{Function, Location, RValue}; use rustc_abi::Size; use rustc_codegen_ssa::mir::debuginfo::{DebugScope, FunctionDebugContext, VariableKind}; use rustc_codegen_ssa::traits::{DebugInfoBuilderMethods, DebugInfoCodegenMethods}; @@ -221,7 +221,7 @@ impl<'gcc, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { &self, instance: Instance<'tcx>, fn_abi: &FnAbi<'tcx, Ty<'tcx>>, - llfn: RValue<'gcc>, + llfn: Function<'gcc>, mir: &mir::Body<'tcx>, ) -> Option<FunctionDebugContext<'tcx, Self::DIScope, Self::DILocation>> { if self.sess().opts.debuginfo == DebugInfo::None { @@ -272,7 +272,7 @@ impl<'gcc, 'tcx> DebugInfoCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { &self, _instance: Instance<'tcx>, _fn_abi: &FnAbi<'tcx, Ty<'tcx>>, - _maybe_definition_llfn: Option<RValue<'gcc>>, + _maybe_definition_llfn: Option<Function<'gcc>>, ) -> Self::DIScope { // TODO(antoyo): implement. } diff --git a/compiler/rustc_codegen_gcc/src/declare.rs b/compiler/rustc_codegen_gcc/src/declare.rs index bed82073e2c..691fd8729e3 100644 --- a/compiler/rustc_codegen_gcc/src/declare.rs +++ b/compiler/rustc_codegen_gcc/src/declare.rs @@ -94,7 +94,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { _fn_type: Type<'gcc>, #[cfg(feature = "master")] callconv: Option<FnAttribute<'gcc>>, #[cfg(not(feature = "master"))] callconv: Option<()>, - ) -> RValue<'gcc> { + ) -> Function<'gcc> { // TODO(antoyo): use the fn_type parameter. let const_string = self.context.new_type::<u8>().make_pointer().make_pointer(); let return_type = self.type_i32(); @@ -111,8 +111,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> { // NOTE: it is needed to set the current_func here as well, because get_fn() is not called // for the main function. *self.current_func.borrow_mut() = Some(func); - // FIXME(antoyo): this is a wrong cast. That requires changing the compiler API. - unsafe { std::mem::transmute(func) } + func } pub fn declare_fn(&self, name: &str, fn_abi: &FnAbi<'tcx, Ty<'tcx>>) -> Function<'gcc> { diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/archs.rs b/compiler/rustc_codegen_gcc/src/intrinsic/archs.rs index f0352c5e6e5..915ed875e32 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/archs.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/archs.rs @@ -1,9 +1,9 @@ // File generated by `rustc_codegen_gcc/tools/generate_intrinsics.py` // DO NOT EDIT IT! /// Translate a given LLVM intrinsic name to an equivalent GCC one. -fn map_arch_intrinsic(name: &str) -> &str { - let Some(name) = name.strip_prefix("llvm.") else { - unimplemented!("***** unsupported LLVM intrinsic {}", name) +fn map_arch_intrinsic(full_name: &str) -> &'static str { + let Some(name) = full_name.strip_prefix("llvm.") else { + unimplemented!("***** unsupported LLVM intrinsic {}", full_name) }; let Some((arch, name)) = name.split_once('.') else { unimplemented!("***** unsupported LLVM intrinsic {}", name) @@ -11,7 +11,7 @@ fn map_arch_intrinsic(name: &str) -> &str { match arch { "AMDGPU" => { #[allow(non_snake_case)] - fn AMDGPU(name: &str) -> &str { + fn AMDGPU(name: &str, full_name: &str) -> &'static str { match name { // AMDGPU "div.fixup.f32" => "__builtin_amdgpu_div_fixup", @@ -42,14 +42,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "trig.preop.f64" => "__builtin_amdgpu_trig_preop", "trig.preop.v2f64" => "__builtin_amdgpu_trig_preop", "trig.preop.v4f32" => "__builtin_amdgpu_trig_preop", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - AMDGPU(name) + AMDGPU(name, full_name) } "aarch64" => { #[allow(non_snake_case)] - fn aarch64(name: &str) -> &str { + fn aarch64(name: &str, full_name: &str) -> &'static str { match name { // aarch64 "chkfeat" => "__builtin_arm_chkfeat", @@ -75,14 +75,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "tcommit" => "__builtin_arm_tcommit", "tstart" => "__builtin_arm_tstart", "ttest" => "__builtin_arm_ttest", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - aarch64(name) + aarch64(name, full_name) } "amdgcn" => { #[allow(non_snake_case)] - fn amdgcn(name: &str) -> &str { + fn amdgcn(name: &str, full_name: &str) -> &'static str { match name { // amdgcn "alignbyte" => "__builtin_amdgcn_alignbyte", @@ -99,6 +99,8 @@ fn map_arch_intrinsic(name: &str) -> &str { "cvt.f32.fp8" => "__builtin_amdgcn_cvt_f32_fp8", "cvt.off.f32.i4" => "__builtin_amdgcn_cvt_off_f32_i4", "cvt.pk.bf8.f32" => "__builtin_amdgcn_cvt_pk_bf8_f32", + "cvt.pk.f16.bf8" => "__builtin_amdgcn_cvt_pk_f16_bf8", + "cvt.pk.f16.fp8" => "__builtin_amdgcn_cvt_pk_f16_fp8", "cvt.pk.f32.bf8" => "__builtin_amdgcn_cvt_pk_f32_bf8", "cvt.pk.f32.fp8" => "__builtin_amdgcn_cvt_pk_f32_fp8", "cvt.pk.fp8.f32" => "__builtin_amdgcn_cvt_pk_fp8_f32", @@ -292,6 +294,7 @@ fn map_arch_intrinsic(name: &str) -> &str { "s.sendmsg" => "__builtin_amdgcn_s_sendmsg", "s.sendmsghalt" => "__builtin_amdgcn_s_sendmsghalt", "s.setprio" => "__builtin_amdgcn_s_setprio", + "s.setprio.inc.wg" => "__builtin_amdgcn_s_setprio_inc_wg", "s.setreg" => "__builtin_amdgcn_s_setreg", "s.sleep" => "__builtin_amdgcn_s_sleep", "s.sleep.var" => "__builtin_amdgcn_s_sleep_var", @@ -356,14 +359,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "workitem.id.x" => "__builtin_amdgcn_workitem_id_x", "workitem.id.y" => "__builtin_amdgcn_workitem_id_y", "workitem.id.z" => "__builtin_amdgcn_workitem_id_z", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - amdgcn(name) + amdgcn(name, full_name) } "arm" => { #[allow(non_snake_case)] - fn arm(name: &str) -> &str { + fn arm(name: &str, full_name: &str) -> &'static str { match name { // arm "cdp" => "__builtin_arm_cdp", @@ -465,14 +468,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "usub8" => "__builtin_arm_usub8", "uxtab16" => "__builtin_arm_uxtab16", "uxtb16" => "__builtin_arm_uxtb16", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - arm(name) + arm(name, full_name) } "bpf" => { #[allow(non_snake_case)] - fn bpf(name: &str) -> &str { + fn bpf(name: &str, full_name: &str) -> &'static str { match name { // bpf "btf.type.id" => "__builtin_bpf_btf_type_id", @@ -487,25 +490,25 @@ fn map_arch_intrinsic(name: &str) -> &str { "preserve.field.info" => "__builtin_bpf_preserve_field_info", "preserve.type.info" => "__builtin_bpf_preserve_type_info", "pseudo" => "__builtin_bpf_pseudo", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - bpf(name) + bpf(name, full_name) } "cuda" => { #[allow(non_snake_case)] - fn cuda(name: &str) -> &str { + fn cuda(name: &str, full_name: &str) -> &'static str { match name { // cuda "syncthreads" => "__syncthreads", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - cuda(name) + cuda(name, full_name) } "hexagon" => { #[allow(non_snake_case)] - fn hexagon(name: &str) -> &str { + fn hexagon(name: &str, full_name: &str) -> &'static str { match name { // hexagon "A2.abs" => "__builtin_HEXAGON_A2_abs", @@ -2479,14 +2482,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "prefetch" => "__builtin_HEXAGON_prefetch", "vmemcpy" => "__builtin_hexagon_vmemcpy", "vmemset" => "__builtin_hexagon_vmemset", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - hexagon(name) + hexagon(name, full_name) } "loongarch" => { #[allow(non_snake_case)] - fn loongarch(name: &str) -> &str { + fn loongarch(name: &str, full_name: &str) -> &'static str { match name { // loongarch "asrtgt.d" => "__builtin_loongarch_asrtgt_d", @@ -3988,14 +3991,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "movfcsr2gr" => "__builtin_loongarch_movfcsr2gr", "movgr2fcsr" => "__builtin_loongarch_movgr2fcsr", "syscall" => "__builtin_loongarch_syscall", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - loongarch(name) + loongarch(name, full_name) } "mips" => { #[allow(non_snake_case)] - fn mips(name: &str) -> &str { + fn mips(name: &str, full_name: &str) -> &'static str { match name { // mips "absq.s.ph" => "__builtin_mips_absq_s_ph", @@ -4669,14 +4672,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "wrdsp" => "__builtin_mips_wrdsp", "xor.v" => "__builtin_msa_xor_v", "xori.b" => "__builtin_msa_xori_b", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - mips(name) + mips(name, full_name) } "nvvm" => { #[allow(non_snake_case)] - fn nvvm(name: &str) -> &str { + fn nvvm(name: &str, full_name: &str) -> &'static str { match name { // nvvm "abs.i" => "__nvvm_abs_i", @@ -5024,6 +5027,7 @@ fn map_arch_intrinsic(name: &str) -> &str { "nanosleep" => "__nvvm_nanosleep", "neg.bf16" => "__nvvm_neg_bf16", "neg.bf16x2" => "__nvvm_neg_bf16x2", + "pm.event.mask" => "__nvvm_pm_event_mask", "popc.i" => "__nvvm_popc_i", "popc.ll" => "__nvvm_popc_ll", "prmt" => "__nvvm_prmt", @@ -5448,14 +5452,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "vote.ballot.sync" => "__nvvm_vote_ballot_sync", "vote.uni" => "__nvvm_vote_uni", "vote.uni.sync" => "__nvvm_vote_uni_sync", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - nvvm(name) + nvvm(name, full_name) } "ppc" => { #[allow(non_snake_case)] - fn ppc(name: &str) -> &str { + fn ppc(name: &str, full_name: &str) -> &'static str { match name { // ppc "addex" => "__builtin_ppc_addex", @@ -5842,7 +5846,10 @@ fn map_arch_intrinsic(name: &str) -> &str { "mulhdu" => "__builtin_ppc_mulhdu", "mulhw" => "__builtin_ppc_mulhw", "mulhwu" => "__builtin_ppc_mulhwu", + "national2packed" => "__builtin_ppc_national2packed", "pack.longdouble" => "__builtin_pack_longdouble", + "packed2national" => "__builtin_ppc_packed2national", + "packed2zoned" => "__builtin_ppc_packed2zoned", "pdepd" => "__builtin_pdepd", "pextd" => "__builtin_pextd", "qpx.qvfabs" => "__builtin_qpx_qvfabs", @@ -6035,14 +6042,15 @@ fn map_arch_intrinsic(name: &str) -> &str { "vsx.xxinsertw" => "__builtin_vsx_xxinsertw", "vsx.xxleqv" => "__builtin_vsx_xxleqv", "vsx.xxpermx" => "__builtin_vsx_xxpermx", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + "zoned2packed" => "__builtin_ppc_zoned2packed", + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - ppc(name) + ppc(name, full_name) } "ptx" => { #[allow(non_snake_case)] - fn ptx(name: &str) -> &str { + fn ptx(name: &str, full_name: &str) -> &'static str { match name { // ptx "bar.sync" => "__builtin_ptx_bar_sync", @@ -6063,14 +6071,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "read.pm3" => "__builtin_ptx_read_pm3", "read.smid" => "__builtin_ptx_read_smid", "read.warpid" => "__builtin_ptx_read_warpid", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - ptx(name) + ptx(name, full_name) } "r600" => { #[allow(non_snake_case)] - fn r600(name: &str) -> &str { + fn r600(name: &str, full_name: &str) -> &'static str { match name { // r600 "group.barrier" => "__builtin_r600_group_barrier", @@ -6088,14 +6096,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "read.tidig.x" => "__builtin_r600_read_tidig_x", "read.tidig.y" => "__builtin_r600_read_tidig_y", "read.tidig.z" => "__builtin_r600_read_tidig_z", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - r600(name) + r600(name, full_name) } "riscv" => { #[allow(non_snake_case)] - fn riscv(name: &str) -> &str { + fn riscv(name: &str, full_name: &str) -> &'static str { match name { // riscv "aes32dsi" => "__builtin_riscv_aes32dsi", @@ -6119,14 +6127,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "sha512sum0r" => "__builtin_riscv_sha512sum0r", "sha512sum1" => "__builtin_riscv_sha512sum1", "sha512sum1r" => "__builtin_riscv_sha512sum1r", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - riscv(name) + riscv(name, full_name) } "s390" => { #[allow(non_snake_case)] - fn s390(name: &str) -> &str { + fn s390(name: &str, full_name: &str) -> &'static str { match name { // s390 "bdepg" => "__builtin_s390_bdepg", @@ -6313,14 +6321,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "vupllf" => "__builtin_s390_vupllf", "vupllg" => "__builtin_s390_vupllg", "vupllh" => "__builtin_s390_vupllh", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - s390(name) + s390(name, full_name) } "ve" => { #[allow(non_snake_case)] - fn ve(name: &str) -> &str { + fn ve(name: &str, full_name: &str) -> &'static str { match name { // ve "vl.andm.MMM" => "__builtin_ve_vl_andm_MMM", @@ -7586,14 +7594,14 @@ fn map_arch_intrinsic(name: &str) -> &str { "vl.vxor.vvvvl" => "__builtin_ve_vl_vxor_vvvvl", "vl.xorm.MMM" => "__builtin_ve_vl_xorm_MMM", "vl.xorm.mmm" => "__builtin_ve_vl_xorm_mmm", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - ve(name) + ve(name, full_name) } "x86" => { #[allow(non_snake_case)] - fn x86(name: &str) -> &str { + fn x86(name: &str, full_name: &str) -> &'static str { match name { // x86 "aadd32" => "__builtin_ia32_aadd32", @@ -10154,25 +10162,25 @@ fn map_arch_intrinsic(name: &str) -> &str { "xresldtrk" => "__builtin_ia32_xresldtrk", "xsusldtrk" => "__builtin_ia32_xsusldtrk", "xtest" => "__builtin_ia32_xtest", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - x86(name) + x86(name, full_name) } "xcore" => { #[allow(non_snake_case)] - fn xcore(name: &str) -> &str { + fn xcore(name: &str, full_name: &str) -> &'static str { match name { // xcore "bitrev" => "__builtin_bitrev", "getid" => "__builtin_getid", "getps" => "__builtin_getps", "setps" => "__builtin_setps", - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM intrinsic {full_name}"), } } - xcore(name) + xcore(name, full_name) } - _ => unimplemented!("***** unsupported LLVM intrinsic {}", name), + _ => unimplemented!("***** unsupported LLVM architecture {arch}, intrinsic:{full_name}"), } } diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/llvm.rs b/compiler/rustc_codegen_gcc/src/intrinsic/llvm.rs index 0b77694f115..39dba28b24c 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/llvm.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/llvm.rs @@ -648,6 +648,11 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>( new_args.push(handle); args = new_args.into(); } + "__builtin_ia32_rdtscp" => { + let result = builder.current_func().new_local(None, builder.u32_type, "result"); + let new_args = vec![result.get_address(None).to_rvalue()]; + args = new_args.into(); + } _ => (), } } else { @@ -764,6 +769,14 @@ pub fn adjust_intrinsic_arguments<'a, 'b, 'gcc, 'tcx>( new_args.swap(0, 1); args = new_args.into(); } + "__builtin_ia32_dpps256" => { + let mut new_args = args.to_vec(); + // NOTE: without this cast to u8 (and it needs to be a u8 to fix the issue), we + // would get the following error: + // the last argument must be an 8-bit immediate + new_args[2] = builder.context.new_cast(None, new_args[2], builder.cx.type_u8()); + args = new_args.into(); + } _ => (), } } @@ -935,6 +948,19 @@ pub fn adjust_intrinsic_return_value<'a, 'gcc, 'tcx>( ); return_value = result.to_rvalue(); } + "__builtin_ia32_rdtscp" => { + let field1 = builder.context.new_field(None, return_value.get_type(), "rdtscpField1"); + let return2 = args[0].dereference(None).to_rvalue(); + let field2 = builder.context.new_field(None, return2.get_type(), "rdtscpField2"); + let struct_type = + builder.context.new_struct_type(None, "rdtscpResult", &[field1, field2]); + return_value = builder.context.new_struct_constructor( + None, + struct_type.as_type(), + None, + &[return_value, return2], + ); + } _ => (), } @@ -1529,6 +1555,17 @@ pub fn intrinsic<'gcc, 'tcx>(name: &str, cx: &CodegenCx<'gcc, 'tcx>) -> Function "llvm.x86.aesdecwide128kl" => "__builtin_ia32_aesdecwide128kl_u8", "llvm.x86.aesencwide256kl" => "__builtin_ia32_aesencwide256kl_u8", "llvm.x86.aesdecwide256kl" => "__builtin_ia32_aesdecwide256kl_u8", + "llvm.x86.avx512.uitofp.round.v8f16.v8i16" => "__builtin_ia32_vcvtuw2ph128_mask", + "llvm.x86.avx512.uitofp.round.v16f16.v16i16" => "__builtin_ia32_vcvtuw2ph256_mask", + "llvm.x86.avx512.uitofp.round.v32f16.v32i16" => "__builtin_ia32_vcvtuw2ph512_mask_round", + "llvm.x86.avx512.uitofp.round.v8f16.v8i32" => "__builtin_ia32_vcvtudq2ph256_mask", + "llvm.x86.avx512.uitofp.round.v16f16.v16i32" => "__builtin_ia32_vcvtudq2ph512_mask_round", + "llvm.x86.avx512.uitofp.round.v8f16.v8i64" => "__builtin_ia32_vcvtuqq2ph512_mask_round", + "llvm.x86.avx512.uitofp.round.v8f64.v8i64" => "__builtin_ia32_cvtuqq2pd512_mask", + "llvm.x86.avx512.uitofp.round.v2f64.v2i64" => "__builtin_ia32_cvtuqq2pd128_mask", + "llvm.x86.avx512.uitofp.round.v4f64.v4i64" => "__builtin_ia32_cvtuqq2pd256_mask", + "llvm.x86.avx512.uitofp.round.v8f32.v8i64" => "__builtin_ia32_cvtuqq2ps512_mask", + "llvm.x86.avx512.uitofp.round.v4f32.v4i64" => "__builtin_ia32_cvtuqq2ps256_mask", // TODO: support the tile builtins: "llvm.x86.ldtilecfg" => "__builtin_trap", diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs index 09132c34aae..497605978fe 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs @@ -4,7 +4,9 @@ mod simd; #[cfg(feature = "master")] use std::iter; -use gccjit::{ComparisonOp, Function, FunctionType, RValue, ToRValue, Type, UnaryOp}; +#[cfg(feature = "master")] +use gccjit::Type; +use gccjit::{ComparisonOp, Function, FunctionType, RValue, ToRValue, UnaryOp}; #[cfg(feature = "master")] use rustc_abi::ExternAbi; use rustc_abi::{BackendRepr, HasDataLayout}; @@ -112,7 +114,6 @@ fn get_simple_intrinsic<'gcc, 'tcx>( } sym::copysignf32 => "copysignf", sym::copysignf64 => "copysign", - sym::copysignf128 => "copysignl", sym::floorf32 => "floorf", sym::floorf64 => "floor", sym::ceilf32 => "ceilf", @@ -236,6 +237,7 @@ fn get_simple_function_f128_2args<'gcc, 'tcx>( let func_name = match name { sym::maxnumf128 => "fmaxf128", sym::minnumf128 => "fminf128", + sym::copysignf128 => "copysignf128", _ => return None, }; Some(cx.context.new_function( @@ -259,6 +261,7 @@ fn f16_builtin<'gcc, 'tcx>( let f32_type = cx.type_f32(); let builtin_name = match name { sym::ceilf16 => "__builtin_ceilf", + sym::copysignf16 => "__builtin_copysignf", sym::floorf16 => "__builtin_floorf", sym::fmaf16 => "fmaf", sym::maxnumf16 => "__builtin_fmaxf", @@ -300,6 +303,8 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc let fn_args = instance.args; let simple = get_simple_intrinsic(self, name); + // TODO(antoyo): Only call get_simple_function_f128 and get_simple_function_f128_2args when + // it is the symbols for the supported f128 builtins. let simple_func = get_simple_function(self, name) .or_else(|| get_simple_function_f128(self, name)) .or_else(|| get_simple_function_f128_2args(self, name)); @@ -326,6 +331,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc ) } sym::ceilf16 + | sym::copysignf16 | sym::floorf16 | sym::fmaf16 | sym::maxnumf16 @@ -441,7 +447,7 @@ impl<'a, 'gcc, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tc match int_type_width_signed(args[0].layout.ty, self) { Some((width, signed)) => match name { sym::ctlz | sym::cttz => { - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let then_block = func.new_block("then"); let else_block = func.new_block("else"); let after_block = func.new_block("after"); @@ -1109,7 +1115,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> { // for (int counter = 0; value != 0; counter++) { // value &= value - 1; // } - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let loop_head = func.new_block("head"); let loop_body = func.new_block("body"); let loop_tail = func.new_block("tail"); @@ -1188,7 +1194,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> { let result_type = lhs.get_type(); if signed { // Based on algorithm from: https://stackoverflow.com/a/56531252/389119 - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let res = func.new_local(self.location, result_type, "saturating_sum"); let supports_native_type = self.is_native_int_type(result_type); let overflow = if supports_native_type { @@ -1259,7 +1265,7 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> { let result_type = lhs.get_type(); if signed { // Based on algorithm from: https://stackoverflow.com/a/56531252/389119 - let func = self.current_func.borrow().expect("func"); + let func = self.current_func(); let res = func.new_local(self.location, result_type, "saturating_diff"); let supports_native_type = self.is_native_int_type(result_type); let overflow = if supports_native_type { @@ -1483,10 +1489,9 @@ fn gen_fn<'a, 'gcc, 'tcx>( // FIXME(eddyb) find a nicer way to do this. cx.linkage.set(FunctionType::Internal); let func = cx.declare_fn(name, fn_abi); - let func_val = unsafe { std::mem::transmute::<Function<'gcc>, RValue<'gcc>>(func) }; - cx.set_frame_pointer_type(func_val); - cx.apply_target_cpu_attr(func_val); - let block = Builder::append_block(cx, func_val, "entry-block"); + cx.set_frame_pointer_type(func); + cx.apply_target_cpu_attr(func); + let block = Builder::append_block(cx, func, "entry-block"); let bx = Builder::build(cx, block); codegen(bx); (return_type, func) diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs index ac8b7f4ea48..2e508813fc3 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs @@ -780,6 +780,7 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( sym::simd_fsin => "sin", sym::simd_fsqrt => "sqrt", sym::simd_round => "round", + sym::simd_round_ties_even => "rint", sym::simd_trunc => "trunc", _ => return_error!(InvalidMonomorphization::UnrecognizedIntrinsic { span, name }), }; @@ -827,6 +828,7 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( | sym::simd_fsin | sym::simd_fsqrt | sym::simd_round + | sym::simd_round_ties_even | sym::simd_trunc ) { return simd_simple_float_intrinsic(name, in_elem, in_ty, in_len, bx, span, args); diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index a912678ef2a..1a6eec0ed0b 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -26,12 +26,9 @@ #![deny(clippy::pattern_type_mismatch)] #![allow(clippy::needless_lifetimes, clippy::uninlined_format_args)] -// Some "regular" crates we want to share with rustc -extern crate object; +// These crates are pulled from the sysroot because they are part of +// rustc's public API, so we need to ensure version compatibility. extern crate smallvec; -// FIXME(antoyo): clippy bug: remove the #[allow] when it's fixed. -#[allow(unused_extern_crates)] -extern crate tempfile; #[macro_use] extern crate tracing; |
