Merge remote-tracking branch 'origin/master' into llvm13

Conflicts:

 * cmake/Findclang.cmake
 * cmake/Findlld.cmake
 * cmake/Findllvm.cmake

In master branch, more search paths were added to these files with "12"
in the path. In this commit I updated them to "13".

 * src/stage1/codegen.cpp
 * src/zig_llvm.cpp
 * src/zig_llvm.h

In master branch, ZigLLVMBuildCmpXchg is improved to add
`is_single_threaded`. However, the LLVM 13 C API has this already, and
in the llvm13 branch, ZigLLVMBuildCmpXchg is deleted in favor of the C
API. In this commit I updated stage2 to use the LLVM 13 C API rather
than depending on an improved ZigLLVMBuildCmpXchg.

Additionally, src/target.zig largestAtomicBits needed to be updated to
include the new m68k ISA.

1 files changed, 0 insertions, 621 deletions

diff --git a/lib/std/os/bits/linux/powerpc.zig b/lib/std/os/bits/linux/powerpc.zig
deleted file mode 100644
index 06f8e326ba..0000000000
--- a/lib/std/os/bits/linux/powerpc.zig
+++ /dev/null
@@ -1,621 +0,0 @@
-const std = @import("../../../std.zig");
-const linux = std.os.linux;
-const socklen_t = linux.socklen_t;
-const iovec = linux.iovec;
-const iovec_const = linux.iovec_const;
-const uid_t = linux.uid_t;
-const gid_t = linux.gid_t;
-const pid_t = linux.pid_t;
-const stack_t = linux.stack_t;
-const sigset_t = linux.sigset_t;
-pub const SYS = enum(usize) {
-    restart_syscall = 0,
-    exit = 1,
-    fork = 2,
-    read = 3,
-    write = 4,
-    open = 5,
-    close = 6,
-    waitpid = 7,
-    creat = 8,
-    link = 9,
-    unlink = 10,
-    execve = 11,
-    chdir = 12,
-    time = 13,
-    mknod = 14,
-    chmod = 15,
-    lchown = 16,
-    @"break" = 17,
-    oldstat = 18,
-    lseek = 19,
-    getpid = 20,
-    mount = 21,
-    umount = 22,
-    setuid = 23,
-    getuid = 24,
-    stime = 25,
-    ptrace = 26,
-    alarm = 27,
-    oldfstat = 28,
-    pause = 29,
-    utime = 30,
-    stty = 31,
-    gtty = 32,
-    access = 33,
-    nice = 34,
-    ftime = 35,
-    sync = 36,
-    kill = 37,
-    rename = 38,
-    mkdir = 39,
-    rmdir = 40,
-    dup = 41,
-    pipe = 42,
-    times = 43,
-    prof = 44,
-    brk = 45,
-    setgid = 46,
-    getgid = 47,
-    signal = 48,
-    geteuid = 49,
-    getegid = 50,
-    acct = 51,
-    umount2 = 52,
-    lock = 53,
-    ioctl = 54,
-    fcntl = 55,
-    mpx = 56,
-    setpgid = 57,
-    ulimit = 58,
-    oldolduname = 59,
-    umask = 60,
-    chroot = 61,
-    ustat = 62,
-    dup2 = 63,
-    getppid = 64,
-    getpgrp = 65,
-    setsid = 66,
-    sigaction = 67,
-    sgetmask = 68,
-    ssetmask = 69,
-    setreuid = 70,
-    setregid = 71,
-    sigsuspend = 72,
-    sigpending = 73,
-    sethostname = 74,
-    setrlimit = 75,
-    getrlimit = 76,
-    getrusage = 77,
-    gettimeofday = 78,
-    settimeofday = 79,
-    getgroups = 80,
-    setgroups = 81,
-    select = 82,
-    symlink = 83,
-    oldlstat = 84,
-    readlink = 85,
-    uselib = 86,
-    swapon = 87,
-    reboot = 88,
-    readdir = 89,
-    mmap = 90,
-    munmap = 91,
-    truncate = 92,
-    ftruncate = 93,
-    fchmod = 94,
-    fchown = 95,
-    getpriority = 96,
-    setpriority = 97,
-    profil = 98,
-    statfs = 99,
-    fstatfs = 100,
-    ioperm = 101,
-    socketcall = 102,
-    syslog = 103,
-    setitimer = 104,
-    getitimer = 105,
-    stat = 106,
-    lstat = 107,
-    fstat = 108,
-    olduname = 109,
-    iopl = 110,
-    vhangup = 111,
-    idle = 112,
-    vm86 = 113,
-    wait4 = 114,
-    swapoff = 115,
-    sysinfo = 116,
-    ipc = 117,
-    fsync = 118,
-    sigreturn = 119,
-    clone = 120,
-    setdomainname = 121,
-    uname = 122,
-    modify_ldt = 123,
-    adjtimex = 124,
-    mprotect = 125,
-    sigprocmask = 126,
-    create_module = 127,
-    init_module = 128,
-    delete_module = 129,
-    get_kernel_syms = 130,
-    quotactl = 131,
-    getpgid = 132,
-    fchdir = 133,
-    bdflush = 134,
-    sysfs = 135,
-    personality = 136,
-    afs_syscall = 137,
-    setfsuid = 138,
-    setfsgid = 139,
-    _llseek = 140,
-    getdents = 141,
-    _newselect = 142,
-    flock = 143,
-    msync = 144,
-    readv = 145,
-    writev = 146,
-    getsid = 147,
-    fdatasync = 148,
-    _sysctl = 149,
-    mlock = 150,
-    munlock = 151,
-    mlockall = 152,
-    munlockall = 153,
-    sched_setparam = 154,
-    sched_getparam = 155,
-    sched_setscheduler = 156,
-    sched_getscheduler = 157,
-    sched_yield = 158,
-    sched_get_priority_max = 159,
-    sched_get_priority_min = 160,
-    sched_rr_get_interval = 161,
-    nanosleep = 162,
-    mremap = 163,
-    setresuid = 164,
-    getresuid = 165,
-    query_module = 166,
-    poll = 167,
-    nfsservctl = 168,
-    setresgid = 169,
-    getresgid = 170,
-    prctl = 171,
-    rt_sigreturn = 172,
-    rt_sigaction = 173,
-    rt_sigprocmask = 174,
-    rt_sigpending = 175,
-    rt_sigtimedwait = 176,
-    rt_sigqueueinfo = 177,
-    rt_sigsuspend = 178,
-    pread64 = 179,
-    pwrite64 = 180,
-    chown = 181,
-    getcwd = 182,
-    capget = 183,
-    capset = 184,
-    sigaltstack = 185,
-    sendfile = 186,
-    getpmsg = 187,
-    putpmsg = 188,
-    vfork = 189,
-    ugetrlimit = 190,
-    readahead = 191,
-    mmap2 = 192,
-    truncate64 = 193,
-    ftruncate64 = 194,
-    stat64 = 195,
-    lstat64 = 196,
-    fstat64 = 197,
-    pciconfig_read = 198,
-    pciconfig_write = 199,
-    pciconfig_iobase = 200,
-    multiplexer = 201,
-    getdents64 = 202,
-    pivot_root = 203,
-    fcntl64 = 204,
-    madvise = 205,
-    mincore = 206,
-    gettid = 207,
-    tkill = 208,
-    setxattr = 209,
-    lsetxattr = 210,
-    fsetxattr = 211,
-    getxattr = 212,
-    lgetxattr = 213,
-    fgetxattr = 214,
-    listxattr = 215,
-    llistxattr = 216,
-    flistxattr = 217,
-    removexattr = 218,
-    lremovexattr = 219,
-    fremovexattr = 220,
-    futex = 221,
-    sched_setaffinity = 222,
-    sched_getaffinity = 223,
-    tuxcall = 225,
-    sendfile64 = 226,
-    io_setup = 227,
-    io_destroy = 228,
-    io_getevents = 229,
-    io_submit = 230,
-    io_cancel = 231,
-    set_tid_address = 232,
-    fadvise64 = 233,
-    exit_group = 234,
-    lookup_dcookie = 235,
-    epoll_create = 236,
-    epoll_ctl = 237,
-    epoll_wait = 238,
-    remap_file_pages = 239,
-    timer_create = 240,
-    timer_settime = 241,
-    timer_gettime = 242,
-    timer_getoverrun = 243,
-    timer_delete = 244,
-    clock_settime = 245,
-    clock_gettime = 246,
-    clock_getres = 247,
-    clock_nanosleep = 248,
-    swapcontext = 249,
-    tgkill = 250,
-    utimes = 251,
-    statfs64 = 252,
-    fstatfs64 = 253,
-    fadvise64_64 = 254,
-    rtas = 255,
-    sys_debug_setcontext = 256,
-    migrate_pages = 258,
-    mbind = 259,
-    get_mempolicy = 260,
-    set_mempolicy = 261,
-    mq_open = 262,
-    mq_unlink = 263,
-    mq_timedsend = 264,
-    mq_timedreceive = 265,
-    mq_notify = 266,
-    mq_getsetattr = 267,
-    kexec_load = 268,
-    add_key = 269,
-    request_key = 270,
-    keyctl = 271,
-    waitid = 272,
-    ioprio_set = 273,
-    ioprio_get = 274,
-    inotify_init = 275,
-    inotify_add_watch = 276,
-    inotify_rm_watch = 277,
-    spu_run = 278,
-    spu_create = 279,
-    pselect6 = 280,
-    ppoll = 281,
-    unshare = 282,
-    splice = 283,
-    tee = 284,
-    vmsplice = 285,
-    openat = 286,
-    mkdirat = 287,
-    mknodat = 288,
-    fchownat = 289,
-    futimesat = 290,
-    fstatat64 = 291,
-    unlinkat = 292,
-    renameat = 293,
-    linkat = 294,
-    symlinkat = 295,
-    readlinkat = 296,
-    fchmodat = 297,
-    faccessat = 298,
-    get_robust_list = 299,
-    set_robust_list = 300,
-    move_pages = 301,
-    getcpu = 302,
-    epoll_pwait = 303,
-    utimensat = 304,
-    signalfd = 305,
-    timerfd_create = 306,
-    eventfd = 307,
-    sync_file_range = 308,
-    fallocate = 309,
-    subpage_prot = 310,
-    timerfd_settime = 311,
-    timerfd_gettime = 312,
-    signalfd4 = 313,
-    eventfd2 = 314,
-    epoll_create1 = 315,
-    dup3 = 316,
-    pipe2 = 317,
-    inotify_init1 = 318,
-    perf_event_open = 319,
-    preadv = 320,
-    pwritev = 321,
-    rt_tgsigqueueinfo = 322,
-    fanotify_init = 323,
-    fanotify_mark = 324,
-    prlimit64 = 325,
-    socket = 326,
-    bind = 327,
-    connect = 328,
-    listen = 329,
-    accept = 330,
-    getsockname = 331,
-    getpeername = 332,
-    socketpair = 333,
-    send = 334,
-    sendto = 335,
-    recv = 336,
-    recvfrom = 337,
-    shutdown = 338,
-    setsockopt = 339,
-    getsockopt = 340,
-    sendmsg = 341,
-    recvmsg = 342,
-    recvmmsg = 343,
-    accept4 = 344,
-    name_to_handle_at = 345,
-    open_by_handle_at = 346,
-    clock_adjtime = 347,
-    syncfs = 348,
-    sendmmsg = 349,
-    setns = 350,
-    process_vm_readv = 351,
-    process_vm_writev = 352,
-    finit_module = 353,
-    kcmp = 354,
-    sched_setattr = 355,
-    sched_getattr = 356,
-    renameat2 = 357,
-    seccomp = 358,
-    getrandom = 359,
-    memfd_create = 360,
-    bpf = 361,
-    execveat = 362,
-    switch_endian = 363,
-    userfaultfd = 364,
-    membarrier = 365,
-    mlock2 = 378,
-    copy_file_range = 379,
-    preadv2 = 380,
-    pwritev2 = 381,
-    kexec_file_load = 382,
-    statx = 383,
-    pkey_alloc = 384,
-    pkey_free = 385,
-    pkey_mprotect = 386,
-    rseq = 387,
-    io_pgetevents = 388,
-    semget = 393,
-    semctl = 394,
-    shmget = 395,
-    shmctl = 396,
-    shmat = 397,
-    shmdt = 398,
-    msgget = 399,
-    msgsnd = 400,
-    msgrcv = 401,
-    msgctl = 402,
-    clock_gettime64 = 403,
-    clock_settime64 = 404,
-    clock_adjtime64 = 405,
-    clock_getres_time64 = 406,
-    clock_nanosleep_time64 = 407,
-    timer_gettime64 = 408,
-    timer_settime64 = 409,
-    timerfd_gettime64 = 410,
-    timerfd_settime64 = 411,
-    utimensat_time64 = 412,
-    pselect6_time64 = 413,
-    ppoll_time64 = 414,
-    io_pgetevents_time64 = 416,
-    recvmmsg_time64 = 417,
-    mq_timedsend_time64 = 418,
-    mq_timedreceive_time64 = 419,
-    semtimedop_time64 = 420,
-    rt_sigtimedwait_time64 = 421,
-    futex_time64 = 422,
-    sched_rr_get_interval_time64 = 423,
-    pidfd_send_signal = 424,
-    io_uring_setup = 425,
-    io_uring_enter = 426,
-    io_uring_register = 427,
-    open_tree = 428,
-    move_mount = 429,
-    fsopen = 430,
-    fsconfig = 431,
-    fsmount = 432,
-    fspick = 433,
-    pidfd_open = 434,
-    clone3 = 435,
-    close_range = 436,
-    openat2 = 437,
-    pidfd_getfd = 438,
-    faccessat2 = 439,
-    process_madvise = 440,
-};
-
-pub const O_CREAT = 0o100;
-pub const O_EXCL = 0o200;
-pub const O_NOCTTY = 0o400;
-pub const O_TRUNC = 0o1000;
-pub const O_APPEND = 0o2000;
-pub const O_NONBLOCK = 0o4000;
-pub const O_DSYNC = 0o10000;
-pub const O_SYNC = 0o4010000;
-pub const O_RSYNC = 0o4010000;
-pub const O_DIRECTORY = 0o40000;
-pub const O_NOFOLLOW = 0o100000;
-pub const O_CLOEXEC = 0o2000000;
-
-pub const O_ASYNC = 0o20000;
-pub const O_DIRECT = 0o400000;
-pub const O_LARGEFILE = 0o200000;
-pub const O_NOATIME = 0o1000000;
-pub const O_PATH = 0o10000000;
-pub const O_TMPFILE = 0o20040000;
-pub const O_NDELAY = O_NONBLOCK;
-
-pub const F_DUPFD = 0;
-pub const F_GETFD = 1;
-pub const F_SETFD = 2;
-pub const F_GETFL = 3;
-pub const F_SETFL = 4;
-
-pub const F_SETOWN = 8;
-pub const F_GETOWN = 9;
-pub const F_SETSIG = 10;
-pub const F_GETSIG = 11;
-
-pub const F_GETLK = 12;
-pub const F_SETLK = 13;
-pub const F_SETLKW = 14;
-
-pub const F_SETOWN_EX = 15;
-pub const F_GETOWN_EX = 16;
-
-pub const F_GETOWNER_UIDS = 17;
-
-pub const F_RDLCK = 0;
-pub const F_WRLCK = 1;
-pub const F_UNLCK = 2;
-
-pub const LOCK_SH = 1;
-pub const LOCK_EX = 2;
-pub const LOCK_UN = 8;
-pub const LOCK_NB = 4;
-
-/// stack-like segment
-pub const MAP_GROWSDOWN = 0x0100;
-
-/// ETXTBSY
-pub const MAP_DENYWRITE = 0x0800;
-
-/// mark it as an executable
-pub const MAP_EXECUTABLE = 0x1000;
-
-/// pages are locked
-pub const MAP_LOCKED = 0x0080;
-
-/// don't check for reservations
-pub const MAP_NORESERVE = 0x0040;
-
-pub const VDSO_CGT_SYM = "__kernel_clock_gettime";
-pub const VDSO_CGT_VER = "LINUX_2.6.15";
-
-pub const Flock = extern struct {
-    l_type: i16,
-    l_whence: i16,
-    l_start: off_t,
-    l_len: off_t,
-    l_pid: pid_t,
-};
-
-pub const msghdr = extern struct {
-    msg_name: ?*sockaddr,
-    msg_namelen: socklen_t,
-    msg_iov: [*]iovec,
-    msg_iovlen: usize,
-    msg_control: ?*c_void,
-    msg_controllen: socklen_t,
-    msg_flags: i32,
-};
-
-pub const msghdr_const = extern struct {
-    msg_name: ?*const sockaddr,
-    msg_namelen: socklen_t,
-    msg_iov: [*]iovec_const,
-    msg_iovlen: usize,
-    msg_control: ?*c_void,
-    msg_controllen: socklen_t,
-    msg_flags: i32,
-};
-
-pub const blksize_t = i32;
-pub const nlink_t = u32;
-pub const time_t = isize;
-pub const mode_t = u32;
-pub const off_t = i64;
-pub const ino_t = u64;
-pub const dev_t = u64;
-pub const blkcnt_t = i64;
-
-// The `stat` definition used by the Linux kernel.
-pub const kernel_stat = extern struct {
-    dev: dev_t,
-    ino: ino_t,
-    mode: mode_t,
-    nlink: nlink_t,
-    uid: uid_t,
-    gid: gid_t,
-    rdev: dev_t,
-    __rdev_padding: i16,
-    size: off_t,
-    blksize: blksize_t,
-    blocks: blkcnt_t,
-    atim: timespec,
-    mtim: timespec,
-    ctim: timespec,
-    __unused: [2]u32,
-
-    pub fn atime(self: @This()) timespec {
-        return self.atim;
-    }
-
-    pub fn mtime(self: @This()) timespec {
-        return self.mtim;
-    }
-
-    pub fn ctime(self: @This()) timespec {
-        return self.ctim;
-    }
-};
-
-// The `stat64` definition used by the libc.
-pub const libc_stat = kernel_stat;
-
-pub const timespec = extern struct {
-    tv_sec: time_t,
-    tv_nsec: isize,
-};
-
-pub const timeval = extern struct {
-    tv_sec: time_t,
-    tv_usec: isize,
-};
-
-pub const timezone = extern struct {
-    tz_minuteswest: i32,
-    tz_dsttime: i32,
-};
-
-pub const greg_t = u32;
-pub const gregset_t = [48]greg_t;
-pub const fpregset_t = [33]f64;
-
-pub const vrregset = extern struct {
-    vrregs: [32][4]u32,
-    vrsave: u32,
-    _pad: [2]u32,
-    vscr: u32,
-};
-pub const vrregset_t = vrregset;
-
-pub const mcontext_t = extern struct {
-    gp_regs: gregset_t,
-    fp_regs: fpregset_t,
-    v_regs: vrregset_t align(16),
-};
-
-pub const ucontext_t = extern struct {
-    flags: u32,
-    link: *ucontext_t,
-    stack: stack_t,
-    pad: [7]i32,
-    regs: *mcontext_t,
-    sigmask: sigset_t,
-    pad2: [3]i32,
-    mcontext: mcontext_t,
-};
-
-pub const Elf_Symndx = u32;
-
-pub const MMAP2_UNIT = 4096;