fix compilation error

Merge remote-tracking branch 'origin/master' into layneson-cpus_and_features

fix incorrect list of sub-arches for aarch64

disable f128 compiler_rt tests failing on windows

use an older arm64 sub-arch for test suite

aarch64: less feature-full baseline CPU

fix std.Target.Arch.parseCpuFeatureSet unit test

fix not respecting sub-arch feature

std.Target.CpuFeatures is now a struct with both CPU and feature set

Revert "tests: use an older aarch64 sub-arch"

don't trust llvm's GetHostCPUName

enable native CPU feature for windows; disable failing tests

tests: use an older aarch64 sub-arch

put hack back in to disable windows native cpu features

lazily compute the full cpu features dependencies

hit a comptime limitation with computing dense sets

fix target_triple_zig to emit zig-compatible triples

fix cache of cpu features

these are not real cpu features

target_triple_llvm: emit none instead of unknown

properly forward baseline target cpu features to llvm

fix self-hosted compiler regression

add cpus and cpu features to zig targets

add libc and glibcs to self-hosted zig targets

make zig targets show native cpu name and features

fixups to arch data, support any number of cpu features

Revert "aarch64: remove CPU features that are actually just CPUs"

uncomment all the archs in target.zig

aarch64: remove CPU features that are actually just CPUs

import data from llvm 9

improve `zig targets`

fix std.Target.Arch.parseCpuFeatureSet

stage1 is building. `zig targets` now self-hosted

some fixes

do the x86 arch

figure out zig0/stage1 and scanning for native CPU

progress towards merging

Pass target_details to child CodeGens

Allow target details with no LLVM support

Pass target details to c compiler

Fix sentinel mismatch in llvm strings

Enable 64bit feature for riscv64

Remove features/cpus not in LLVM v9

No allocations for n.t. empty strings

Only enable requested features

Make sure llvm strings are null-terminated

Add defaut feature support

Add builtin.zig support

Add TargetDetails abstraction

Add llvm_name to feature defs

Rename subfeatures -> dependencies

Filter out non-features

Add build.zig cpu and feature options

Add cpu/feature to cache hash

Add cpu/feature specification to cmndline

Remove llvm_name from features

Switch CPU/features to simple format

Fix spacing in main.cpp

Make targets cmd able to list CPUs and features

Fix CPU and feature defs

Add parseArchTag and fix parseArchSub

Update term feature deps -> subfeatures

Create initial target details infrastructure

Fix wrong error code being returned in enum analisys

Merge pull request #4231 from LemonBoy/more-builtin-work1

Merge pull request #4222 from LemonBoy/eutwouwth

fixed typo - "path" lead to undeclared identifier

Merge pull request #4220 from LemonBoy/fix-4214

std: turn EAI_ constants into a non-exhaustive enum

std: use non-exhaustive enums from crc module

Merge pull request #4215 from mikdusan/cmake-install

Merge pull request #4191 from Vexu/non-exhaustive-enums

Port clzsi2 from compiler_rt, required for using std.fmt.format on some ARM architecture.

Revert "cmake: support `make` and `make install`"

Merge pull request #4208 from mikdusan/contributing

Merge pull request #4209 from mikdusan/cmake-install

Merge pull request #4206 from mikdusan/cmake-install

add struct field default value to typeinfo

implement `@bitSizeOf`

Minor changes to the ARM builtin fns

Fix regression in char printing

Fix garbled error messages from clang

Merge pull request #4187 from LemonBoy/builtin-rearrange

disallow multiline strings in test and library names

stage1: move local native_libc.txt to global

Merge pull request #4182 from LemonBoy/mjeiorw

Fix std.child_process.ChildProcess.spawnWindow when looking in PATH environment variable, it applied cwd+app_name instead of just using the app_name

Fix codegen error for some union initializers

fix crash on multiline library name

Fix ICE when BoundFn are passed as parameters

[docs] Add libc dependency to sentinel-term ptr example

Add clamp function to math module

Merge pull request #4172 from LemonBoy/swish

fix outdated comment

add an extra assert

Merge pull request #3957 from xackus/stage2_parser_3799

doc/langref: mention that x is the sentinel in [N:x]T

Merge pull request #4162 from LemonBoy/fix-4020

Merge pull request #4161 from mikdusan/stage1-builtin-debugtrap

Propagate errors in for loop bodies