diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_data_structures/src/flock.rs | 25 | ||||
| -rw-r--r-- | compiler/rustc_data_structures/src/profiling.rs | 63 | ||||
| -rw-r--r-- | compiler/rustc_lint/src/lib.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_middle/src/lib.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_span/src/analyze_source_file.rs | 126 |
5 files changed, 0 insertions, 216 deletions
diff --git a/compiler/rustc_data_structures/src/flock.rs b/compiler/rustc_data_structures/src/flock.rs index 292a33d5646..d423d8acefd 100644 --- a/compiler/rustc_data_structures/src/flock.rs +++ b/compiler/rustc_data_structures/src/flock.rs @@ -4,31 +4,6 @@ //! green/native threading. This is just a bare-bones enough solution for //! librustdoc, it is not production quality at all. -#[cfg(bootstrap)] -cfg_match! { - cfg(target_os = "linux") => { - mod linux; - use linux as imp; - } - cfg(target_os = "redox") => { - mod linux; - use linux as imp; - } - cfg(unix) => { - mod unix; - use unix as imp; - } - cfg(windows) => { - mod windows; - use self::windows as imp; - } - _ => { - mod unsupported; - use unsupported as imp; - } -} - -#[cfg(not(bootstrap))] cfg_match! { target_os = "linux" => { mod linux; diff --git a/compiler/rustc_data_structures/src/profiling.rs b/compiler/rustc_data_structures/src/profiling.rs index 18e98e6c39f..39db551adfb 100644 --- a/compiler/rustc_data_structures/src/profiling.rs +++ b/compiler/rustc_data_structures/src/profiling.rs @@ -860,69 +860,6 @@ fn get_thread_id() -> u32 { } // Memory reporting -#[cfg(bootstrap)] -cfg_match! { - cfg(windows) => { - pub fn get_resident_set_size() -> Option<usize> { - use std::mem; - - use windows::{ - Win32::System::ProcessStatus::{K32GetProcessMemoryInfo, PROCESS_MEMORY_COUNTERS}, - Win32::System::Threading::GetCurrentProcess, - }; - - let mut pmc = PROCESS_MEMORY_COUNTERS::default(); - let pmc_size = mem::size_of_val(&pmc); - unsafe { - K32GetProcessMemoryInfo( - GetCurrentProcess(), - &mut pmc, - pmc_size as u32, - ) - } - .ok() - .ok()?; - - Some(pmc.WorkingSetSize) - } - } - cfg(target_os = "macos") => { - pub fn get_resident_set_size() -> Option<usize> { - use libc::{c_int, c_void, getpid, proc_pidinfo, proc_taskinfo, PROC_PIDTASKINFO}; - use std::mem; - const PROC_TASKINFO_SIZE: c_int = mem::size_of::<proc_taskinfo>() as c_int; - - unsafe { - let mut info: proc_taskinfo = mem::zeroed(); - let info_ptr = &mut info as *mut proc_taskinfo as *mut c_void; - let pid = getpid() as c_int; - let ret = proc_pidinfo(pid, PROC_PIDTASKINFO, 0, info_ptr, PROC_TASKINFO_SIZE); - if ret == PROC_TASKINFO_SIZE { - Some(info.pti_resident_size as usize) - } else { - None - } - } - } - } - cfg(unix) => { - pub fn get_resident_set_size() -> Option<usize> { - let field = 1; - let contents = fs::read("/proc/self/statm").ok()?; - let contents = String::from_utf8(contents).ok()?; - let s = contents.split_whitespace().nth(field)?; - let npages = s.parse::<usize>().ok()?; - Some(npages * 4096) - } - } - _ => { - pub fn get_resident_set_size() -> Option<usize> { - None - } - } -} - -#[cfg(not(bootstrap))] cfg_match! { windows => { pub fn get_resident_set_size() -> Option<usize> { diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index c8de5e87753..95239d66e76 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -21,7 +21,6 @@ // tidy-alphabetical-start #![allow(internal_features)] -#![cfg_attr(bootstrap, feature(trait_upcasting))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(array_windows)] diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 95128a5d903..93a7227d65e 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -29,7 +29,6 @@ #![allow(rustc::diagnostic_outside_of_impl)] #![allow(rustc::potential_query_instability)] #![allow(rustc::untranslatable_diagnostic)] -#![cfg_attr(bootstrap, feature(trait_upcasting))] #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] #![doc(rust_logo)] #![feature(allocator_api)] diff --git a/compiler/rustc_span/src/analyze_source_file.rs b/compiler/rustc_span/src/analyze_source_file.rs index 47cc16b623d..a39bb884faa 100644 --- a/compiler/rustc_span/src/analyze_source_file.rs +++ b/compiler/rustc_span/src/analyze_source_file.rs @@ -29,132 +29,6 @@ pub(crate) fn analyze_source_file(src: &str) -> (Vec<RelativeBytePos>, Vec<Multi (lines, multi_byte_chars) } -#[cfg(bootstrap)] -cfg_match! { - cfg(any(target_arch = "x86", target_arch = "x86_64")) => { - fn analyze_source_file_dispatch( - src: &str, - lines: &mut Vec<RelativeBytePos>, - multi_byte_chars: &mut Vec<MultiByteChar>, - ) { - if is_x86_feature_detected!("sse2") { - unsafe { - analyze_source_file_sse2(src, lines, multi_byte_chars); - } - } else { - analyze_source_file_generic( - src, - src.len(), - RelativeBytePos::from_u32(0), - lines, - multi_byte_chars, - ); - } - } - - /// Checks 16 byte chunks of text at a time. If the chunk contains - /// something other than printable ASCII characters and newlines, the - /// function falls back to the generic implementation. Otherwise it uses - /// SSE2 intrinsics to quickly find all newlines. - #[target_feature(enable = "sse2")] - unsafe fn analyze_source_file_sse2( - src: &str, - lines: &mut Vec<RelativeBytePos>, - multi_byte_chars: &mut Vec<MultiByteChar>, - ) { - #[cfg(target_arch = "x86")] - use std::arch::x86::*; - #[cfg(target_arch = "x86_64")] - use std::arch::x86_64::*; - - const CHUNK_SIZE: usize = 16; - - let src_bytes = src.as_bytes(); - - let chunk_count = src.len() / CHUNK_SIZE; - - // This variable keeps track of where we should start decoding a - // chunk. If a multi-byte character spans across chunk boundaries, - // we need to skip that part in the next chunk because we already - // handled it. - let mut intra_chunk_offset = 0; - - for chunk_index in 0..chunk_count { - let ptr = src_bytes.as_ptr() as *const __m128i; - // We don't know if the pointer is aligned to 16 bytes, so we - // use `loadu`, which supports unaligned loading. - let chunk = unsafe { _mm_loadu_si128(ptr.add(chunk_index)) }; - - // For character in the chunk, see if its byte value is < 0, which - // indicates that it's part of a UTF-8 char. - let multibyte_test = unsafe { _mm_cmplt_epi8(chunk, _mm_set1_epi8(0)) }; - // Create a bit mask from the comparison results. - let multibyte_mask = unsafe { _mm_movemask_epi8(multibyte_test) }; - - // If the bit mask is all zero, we only have ASCII chars here: - if multibyte_mask == 0 { - assert!(intra_chunk_offset == 0); - - // Check for newlines in the chunk - let newlines_test = unsafe { _mm_cmpeq_epi8(chunk, _mm_set1_epi8(b'\n' as i8)) }; - let mut newlines_mask = unsafe { _mm_movemask_epi8(newlines_test) }; - - let output_offset = RelativeBytePos::from_usize(chunk_index * CHUNK_SIZE + 1); - - while newlines_mask != 0 { - let index = newlines_mask.trailing_zeros(); - - lines.push(RelativeBytePos(index) + output_offset); - - // Clear the bit, so we can find the next one. - newlines_mask &= newlines_mask - 1; - } - } else { - // The slow path. - // There are multibyte chars in here, fallback to generic decoding. - let scan_start = chunk_index * CHUNK_SIZE + intra_chunk_offset; - intra_chunk_offset = analyze_source_file_generic( - &src[scan_start..], - CHUNK_SIZE - intra_chunk_offset, - RelativeBytePos::from_usize(scan_start), - lines, - multi_byte_chars, - ); - } - } - - // There might still be a tail left to analyze - let tail_start = chunk_count * CHUNK_SIZE + intra_chunk_offset; - if tail_start < src.len() { - analyze_source_file_generic( - &src[tail_start..], - src.len() - tail_start, - RelativeBytePos::from_usize(tail_start), - lines, - multi_byte_chars, - ); - } - } - } - _ => { - // The target (or compiler version) does not support SSE2 ... - fn analyze_source_file_dispatch( - src: &str, - lines: &mut Vec<RelativeBytePos>, - multi_byte_chars: &mut Vec<MultiByteChar>, - ) { - analyze_source_file_generic( - src, - src.len(), - RelativeBytePos::from_u32(0), - lines, - multi_byte_chars, - ); - } - } -} - -#[cfg(not(bootstrap))] cfg_match! { any(target_arch = "x86", target_arch = "x86_64") => { fn analyze_source_file_dispatch( |