diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm')
| -rw-r--r-- | compiler/rustc_codegen_llvm/Cargo.toml | 2 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/messages.ftl | 6 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/abi.rs | 69 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/asm.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/attributes.rs | 5 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/builder.rs | 7 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/consts.rs | 38 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs | 14 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/debuginfo/mod.rs | 10 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/errors.rs | 12 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/intrinsic.rs | 7 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/lib.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/llvm_util.rs | 8 |
14 files changed, 83 insertions, 100 deletions
diff --git a/compiler/rustc_codegen_llvm/Cargo.toml b/compiler/rustc_codegen_llvm/Cargo.toml index bf8ec8c3b91..88efc8ac96b 100644 --- a/compiler/rustc_codegen_llvm/Cargo.toml +++ b/compiler/rustc_codegen_llvm/Cargo.toml @@ -15,7 +15,7 @@ gimli = "0.31" itertools = "0.12" libc = "0.2" measureme = "12.0.1" -object = { version = "0.36.3", default-features = false, features = ["std", "read"] } +object = { version = "0.37.0", default-features = false, features = ["std", "read"] } rustc-demangle = "0.1.21" rustc_abi = { path = "../rustc_abi" } rustc_ast = { path = "../rustc_ast" } diff --git a/compiler/rustc_codegen_llvm/messages.ftl b/compiler/rustc_codegen_llvm/messages.ftl index 41391b096cc..bda121c67fb 100644 --- a/compiler/rustc_codegen_llvm/messages.ftl +++ b/compiler/rustc_codegen_llvm/messages.ftl @@ -19,12 +19,6 @@ codegen_llvm_from_llvm_diag = {$message} codegen_llvm_from_llvm_optimization_diag = {$filename}:{$line}:{$column} {$pass_name} ({$kind}): {$message} -codegen_llvm_invalid_minimum_alignment_not_power_of_two = - invalid minimum global alignment: {$align} is not power of 2 - -codegen_llvm_invalid_minimum_alignment_too_large = - invalid minimum global alignment: {$align} is too large - codegen_llvm_load_bitcode = failed to load bitcode of module "{$name}" codegen_llvm_load_bitcode_with_llvm_err = failed to load bitcode of module "{$name}": {$llvm_err} diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index c87e70864e5..119cd634f98 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -2,7 +2,10 @@ use std::borrow::Borrow; use std::cmp; use libc::c_uint; -use rustc_abi::{BackendRepr, HasDataLayout, Primitive, Reg, RegKind, Size}; +use rustc_abi::{ + ArmCall, BackendRepr, CanonAbi, HasDataLayout, InterruptKind, Primitive, Reg, RegKind, Size, + X86Call, +}; use rustc_codegen_ssa::MemFlags; use rustc_codegen_ssa::mir::operand::{OperandRef, OperandValue}; use rustc_codegen_ssa::mir::place::{PlaceRef, PlaceValue}; @@ -12,7 +15,7 @@ use rustc_middle::ty::layout::LayoutOf; use rustc_middle::{bug, ty}; use rustc_session::config; use rustc_target::callconv::{ - ArgAbi, ArgAttribute, ArgAttributes, ArgExtension, CastTarget, Conv, FnAbi, PassMode, + ArgAbi, ArgAttribute, ArgAttributes, ArgExtension, CastTarget, FnAbi, PassMode, }; use rustc_target::spec::SanitizerSet; use smallvec::SmallVec; @@ -409,11 +412,17 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { if !self.can_unwind { func_attrs.push(llvm::AttributeKind::NoUnwind.create_attr(cx.llcx)); } - if let Conv::RiscvInterrupt { kind } = self.conv { - func_attrs.push(llvm::CreateAttrStringValue(cx.llcx, "interrupt", kind.as_str())); - } - if let Conv::CCmseNonSecureEntry = self.conv { - func_attrs.push(llvm::CreateAttrString(cx.llcx, "cmse_nonsecure_entry")) + match self.conv { + CanonAbi::Interrupt(InterruptKind::RiscvMachine) => { + func_attrs.push(llvm::CreateAttrStringValue(cx.llcx, "interrupt", "machine")) + } + CanonAbi::Interrupt(InterruptKind::RiscvSupervisor) => { + func_attrs.push(llvm::CreateAttrStringValue(cx.llcx, "interrupt", "supervisor")) + } + CanonAbi::Arm(ArmCall::CCmseNonSecureEntry) => { + func_attrs.push(llvm::CreateAttrString(cx.llcx, "cmse_nonsecure_entry")) + } + _ => (), } attributes::apply_to_llfn(llfn, llvm::AttributePlace::Function, &{ func_attrs }); @@ -600,7 +609,7 @@ impl<'ll, 'tcx> FnAbiLlvmExt<'ll, 'tcx> for FnAbi<'tcx, Ty<'tcx>> { llvm::SetInstructionCallConv(callsite, cconv); } - if self.conv == Conv::CCmseNonSecureCall { + if self.conv == CanonAbi::Arm(ArmCall::CCmseNonSecureCall) { // This will probably get ignored on all targets but those supporting the TrustZone-M // extension (thumbv8m targets). let cmse_nonsecure_call = llvm::CreateAttrString(bx.cx.llcx, "cmse_nonsecure_call"); @@ -636,17 +645,11 @@ impl AbiBuilderMethods for Builder<'_, '_, '_> { } impl llvm::CallConv { - pub(crate) fn from_conv(conv: Conv, arch: &str) -> Self { + pub(crate) fn from_conv(conv: CanonAbi, arch: &str) -> Self { match conv { - Conv::C - | Conv::Rust - | Conv::CCmseNonSecureCall - | Conv::CCmseNonSecureEntry - | Conv::RiscvInterrupt { .. } => llvm::CCallConv, - Conv::Cold => llvm::ColdCallConv, - Conv::PreserveMost => llvm::PreserveMost, - Conv::PreserveAll => llvm::PreserveAll, - Conv::GpuKernel => { + CanonAbi::C | CanonAbi::Rust => llvm::CCallConv, + CanonAbi::RustCold => llvm::PreserveMost, + CanonAbi::GpuKernel => { if arch == "amdgpu" { llvm::AmdgpuKernel } else if arch == "nvptx64" { @@ -655,17 +658,25 @@ impl llvm::CallConv { panic!("Architecture {arch} does not support GpuKernel calling convention"); } } - Conv::AvrInterrupt => llvm::AvrInterrupt, - Conv::AvrNonBlockingInterrupt => llvm::AvrNonBlockingInterrupt, - Conv::ArmAapcs => llvm::ArmAapcsCallConv, - Conv::Msp430Intr => llvm::Msp430Intr, - Conv::X86Fastcall => llvm::X86FastcallCallConv, - Conv::X86Intr => llvm::X86_Intr, - Conv::X86Stdcall => llvm::X86StdcallCallConv, - Conv::X86ThisCall => llvm::X86_ThisCall, - Conv::X86VectorCall => llvm::X86_VectorCall, - Conv::X86_64SysV => llvm::X86_64_SysV, - Conv::X86_64Win64 => llvm::X86_64_Win64, + CanonAbi::Interrupt(interrupt_kind) => match interrupt_kind { + InterruptKind::Avr => llvm::AvrInterrupt, + InterruptKind::AvrNonBlocking => llvm::AvrNonBlockingInterrupt, + InterruptKind::Msp430 => llvm::Msp430Intr, + InterruptKind::RiscvMachine | InterruptKind::RiscvSupervisor => llvm::CCallConv, + InterruptKind::X86 => llvm::X86_Intr, + }, + CanonAbi::Arm(arm_call) => match arm_call { + ArmCall::Aapcs => llvm::ArmAapcsCallConv, + ArmCall::CCmseNonSecureCall | ArmCall::CCmseNonSecureEntry => llvm::CCallConv, + }, + CanonAbi::X86(x86_call) => match x86_call { + X86Call::Fastcall => llvm::X86FastcallCallConv, + X86Call::Stdcall => llvm::X86StdcallCallConv, + X86Call::SysV64 => llvm::X86_64_SysV, + X86Call::Thiscall => llvm::X86_ThisCall, + X86Call::Vectorcall => llvm::X86_VectorCall, + X86Call::Win64 => llvm::X86_64_Win64, + }, } } } diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 9e3893d5314..4185aef8b31 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -251,7 +251,7 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { InlineAsmArch::Nvptx64 => {} InlineAsmArch::PowerPC | InlineAsmArch::PowerPC64 => {} InlineAsmArch::Hexagon => {} - InlineAsmArch::LoongArch64 => { + InlineAsmArch::LoongArch32 | InlineAsmArch::LoongArch64 => { constraints.extend_from_slice(&[ "~{$fcc0}".to_string(), "~{$fcc1}".to_string(), diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 443c2eace55..27fd09745ff 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -5,6 +5,7 @@ use rustc_hir::def_id::DefId; use rustc_middle::middle::codegen_fn_attrs::{CodegenFnAttrFlags, PatchableFunctionEntry}; use rustc_middle::ty::{self, TyCtxt}; use rustc_session::config::{BranchProtection, FunctionReturn, OptLevel, PAuthKey, PacRet}; +use rustc_symbol_mangling::mangle_internal_symbol; use rustc_target::spec::{FramePointer, SanitizerSet, StackProbeType, StackProtector}; use smallvec::SmallVec; @@ -256,11 +257,11 @@ fn probestack_attr<'ll>(cx: &CodegenCx<'ll, '_>) -> Option<&'ll Attribute> { StackProbeType::Inline => "inline-asm", // Flag our internal `__rust_probestack` function as the stack probe symbol. // This is defined in the `compiler-builtins` crate for each architecture. - StackProbeType::Call => "__rust_probestack", + StackProbeType::Call => &mangle_internal_symbol(cx.tcx, "__rust_probestack"), // Pick from the two above based on the LLVM version. StackProbeType::InlineOrCall { min_llvm_version_for_inline } => { if llvm_util::get_version() < min_llvm_version_for_inline { - "__rust_probestack" + &mangle_internal_symbol(cx.tcx, "__rust_probestack") } else { "inline-asm" } diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index 167678c2ff1..ec006b59192 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -1815,8 +1815,11 @@ impl<'a, 'll, 'tcx> Builder<'a, 'll, 'tcx> { let typeid_metadata = self.cx.typeid_metadata(typeid).unwrap(); let dbg_loc = self.get_dbg_loc(); - // Test whether the function pointer is associated with the type identifier. - let cond = self.type_test(llfn, typeid_metadata); + // Test whether the function pointer is associated with the type identifier using the + // llvm.type.test intrinsic. The LowerTypeTests link-time optimization pass replaces + // calls to this intrinsic with code to test type membership. + let typeid = self.get_metadata_value(typeid_metadata); + let cond = self.call_intrinsic("llvm.type.test", &[llfn, typeid]); let bb_pass = self.append_sibling_block("type_test.pass"); let bb_fail = self.append_sibling_block("type_test.fail"); self.cond_br(cond, bb_pass, bb_fail); diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index 4234352c93a..a4492d76c3c 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -1,8 +1,6 @@ use std::ops::Range; -use rustc_abi::{ - Align, AlignFromBytesError, HasDataLayout, Primitive, Scalar, Size, WrappingRange, -}; +use rustc_abi::{Align, HasDataLayout, Primitive, Scalar, Size, WrappingRange}; use rustc_codegen_ssa::common; use rustc_codegen_ssa::traits::*; use rustc_hir::LangItem; @@ -20,9 +18,7 @@ use rustc_middle::{bug, span_bug}; use tracing::{debug, instrument, trace}; use crate::common::{AsCCharPtr, CodegenCx}; -use crate::errors::{ - InvalidMinimumAlignmentNotPowerOfTwo, InvalidMinimumAlignmentTooLarge, SymbolAlreadyDefined, -}; +use crate::errors::SymbolAlreadyDefined; use crate::llvm::{self, True}; use crate::type_::Type; use crate::type_of::LayoutLlvmExt; @@ -149,22 +145,10 @@ fn set_global_alignment<'ll>(cx: &CodegenCx<'ll, '_>, gv: &'ll Value, mut align: // The target may require greater alignment for globals than the type does. // Note: GCC and Clang also allow `__attribute__((aligned))` on variables, // which can force it to be smaller. Rust doesn't support this yet. - if let Some(min) = cx.sess().target.min_global_align { - match Align::from_bits(min) { - Ok(min) => align = align.max(min), - Err(err) => match err { - AlignFromBytesError::NotPowerOfTwo(align) => { - cx.sess().dcx().emit_err(InvalidMinimumAlignmentNotPowerOfTwo { align }); - } - AlignFromBytesError::TooLarge(align) => { - cx.sess().dcx().emit_err(InvalidMinimumAlignmentTooLarge { align }); - } - }, - } - } - unsafe { - llvm::LLVMSetAlignment(gv, align.bytes() as u32); + if let Some(min_global) = cx.sess().target.min_global_align { + align = Ord::max(align, min_global); } + llvm::set_alignment(gv, align); } fn check_and_apply_linkage<'ll, 'tcx>( @@ -541,12 +525,12 @@ impl<'ll> CodegenCx<'ll, '_> { // in the handling of `.init_array` (the static constructor list) in versions of // the gold linker (prior to the one released with binutils 2.36). // - // That said, we only ever emit these when compiling for ELF targets, unless - // `#[used(compiler)]` is explicitly requested. This is to avoid similar breakage - // on other targets, in particular MachO targets have *their* static constructor - // lists broken if `llvm.compiler.used` is emitted rather than `llvm.used`. However, - // that check happens when assigning the `CodegenFnAttrFlags` in - // `rustc_hir_analysis`, so we don't need to take care of it here. + // That said, we only ever emit these when `#[used(compiler)]` is explicitly + // requested. This is to avoid similar breakage on other targets, in particular + // MachO targets have *their* static constructor lists broken if `llvm.compiler.used` + // is emitted rather than `llvm.used`. However, that check happens when assigning + // the `CodegenFnAttrFlags` in the `codegen_fn_attrs` query, so we don't need to + // take care of it here. self.add_compiler_used_global(g); } if attrs.flags.contains(CodegenFnAttrFlags::USED_LINKER) { diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs index e9574108696..a5c80895741 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs @@ -1,7 +1,7 @@ use std::borrow::Cow; use libc::c_uint; -use rustc_abi::{Align, Endian, Size, TagEncoding, VariantIdx, Variants}; +use rustc_abi::{Align, Endian, FieldIdx, Size, TagEncoding, VariantIdx, Variants}; use rustc_codegen_ssa::debuginfo::type_names::compute_debuginfo_type_name; use rustc_codegen_ssa::debuginfo::{tag_base_type, wants_c_like_enum_debuginfo}; use rustc_codegen_ssa::traits::{ConstCodegenMethods, MiscCodegenMethods}; @@ -401,7 +401,7 @@ fn build_union_fields_for_enum<'ll, 'tcx>( enum_type_and_layout: TyAndLayout<'tcx>, enum_type_di_node: &'ll DIType, variant_indices: impl Iterator<Item = VariantIdx> + Clone, - tag_field: usize, + tag_field: FieldIdx, untagged_variant_index: Option<VariantIdx>, ) -> SmallVec<&'ll DIType> { let tag_base_type = tag_base_type(cx.tcx, enum_type_and_layout); @@ -805,7 +805,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( variant_field_infos: &[VariantFieldInfo<'ll>], discr_type_di_node: &'ll DIType, tag_base_type: Ty<'tcx>, - tag_field: usize, + tag_field: FieldIdx, untagged_variant_index: Option<VariantIdx>, di_flags: DIFlags, ) -> SmallVec<&'ll DIType> { @@ -858,7 +858,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( })); assert_eq!( - cx.size_and_align_of(enum_type_and_layout.field(cx, tag_field).ty), + cx.size_and_align_of(enum_type_and_layout.field(cx, tag_field.as_usize()).ty), cx.size_and_align_of(self::tag_base_type(cx.tcx, enum_type_and_layout)) ); @@ -875,7 +875,7 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( Endian::Big => (8, 0), }; - let tag_field_offset = enum_type_and_layout.fields.offset(tag_field).bytes(); + let tag_field_offset = enum_type_and_layout.fields.offset(tag_field.as_usize()).bytes(); let lo_offset = Size::from_bytes(tag_field_offset + lo_offset); let hi_offset = Size::from_bytes(tag_field_offset + hi_offset); @@ -905,8 +905,8 @@ fn build_union_fields_for_direct_tag_enum_or_coroutine<'ll, 'tcx>( cx, enum_type_di_node, TAG_FIELD_NAME, - enum_type_and_layout.field(cx, tag_field), - enum_type_and_layout.fields.offset(tag_field), + enum_type_and_layout.field(cx, tag_field.as_usize()), + enum_type_and_layout.fields.offset(tag_field.as_usize()), di_flags, tag_base_type_di_node, None, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs index 20a841f2287..62d38d463ab 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native.rs @@ -373,7 +373,7 @@ fn build_discr_member_di_node<'ll, 'tcx>( file, UNKNOWN_LINE_NUMBER, layout, - enum_or_coroutine_type_and_layout.fields.offset(tag_field), + enum_or_coroutine_type_and_layout.fields.offset(tag_field.as_usize()), DIFlags::FlagArtificial, ty, )) diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index c5085927923..5ca2505cec4 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -147,6 +147,12 @@ pub(crate) fn finalize(cx: &CodegenCx<'_, '_>) { } } +impl<'ll> Builder<'_, 'll, '_> { + pub(crate) fn get_dbg_loc(&self) -> Option<&'ll DILocation> { + unsafe { llvm::LLVMGetCurrentDebugLocation2(self.llbuilder) } + } +} + impl<'ll> DebugInfoBuilderMethods for Builder<'_, 'll, '_> { // FIXME(eddyb) find a common convention for all of the debuginfo-related // names (choose between `dbg`, `debug`, `debuginfo`, `debug_info` etc.). @@ -209,10 +215,6 @@ impl<'ll> DebugInfoBuilderMethods for Builder<'_, 'll, '_> { } } - fn get_dbg_loc(&self) -> Option<&'ll DILocation> { - unsafe { llvm::LLVMGetCurrentDebugLocation2(self.llbuilder) } - } - fn insert_reference_to_gdb_debug_scripts_section_global(&mut self) { gdb::insert_reference_to_gdb_debug_scripts_section_global(self) } diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index ecf108f988f..eaafc680712 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -58,18 +58,6 @@ pub(crate) struct SymbolAlreadyDefined<'a> { } #[derive(Diagnostic)] -#[diag(codegen_llvm_invalid_minimum_alignment_not_power_of_two)] -pub(crate) struct InvalidMinimumAlignmentNotPowerOfTwo { - pub align: u64, -} - -#[derive(Diagnostic)] -#[diag(codegen_llvm_invalid_minimum_alignment_too_large)] -pub(crate) struct InvalidMinimumAlignmentTooLarge { - pub align: u64, -} - -#[derive(Diagnostic)] #[diag(codegen_llvm_sanitizer_memtag_requires_mte)] pub(crate) struct SanitizerMemtagRequiresMte; diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index 989752eb78e..10697b9a71f 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -636,13 +636,6 @@ impl<'ll, 'tcx> IntrinsicCallBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { } } - fn type_test(&mut self, pointer: Self::Value, typeid: Self::Metadata) -> Self::Value { - // Test the called operand using llvm.type.test intrinsic. The LowerTypeTests link-time - // optimization pass replaces calls to this intrinsic with code to test type membership. - let typeid = self.get_metadata_value(typeid); - self.call_intrinsic("llvm.type.test", &[pointer, typeid]) - } - fn type_checked_load( &mut self, llvtable: &'ll Value, diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index fd376ea8d80..6890923a594 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -9,7 +9,6 @@ #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(assert_matches)] -#![feature(exact_size_is_empty)] #![feature(extern_types)] #![feature(file_buffered)] #![feature(if_let_guard)] diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs index 8f57f0983ab..9718c95f38a 100644 --- a/compiler/rustc_codegen_llvm/src/llvm_util.rs +++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs @@ -282,6 +282,14 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea } // Filter out features that are not supported by the current LLVM version ("riscv32" | "riscv64", "zacas") if get_version().0 < 20 => None, + ( + "s390x", + "message-security-assist-extension12" + | "concurrent-functions" + | "miscellaneous-extensions-4" + | "vector-enhancements-3" + | "vector-packed-decimal-enhancement-3", + ) if get_version().0 < 20 => None, // Enable the evex512 target feature if an avx512 target feature is enabled. ("x86", s) if s.starts_with("avx512") => Some(LLVMFeature::with_dependencies( s, |
