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, 234 deletions

diff --git a/lib/std/os/bits/linux/prctl.zig b/lib/std/os/bits/linux/prctl.zig
deleted file mode 100644
index d29b6021b6..0000000000
--- a/lib/std/os/bits/linux/prctl.zig
+++ /dev/null
@@ -1,234 +0,0 @@
-pub const PR = enum(i32) {
-    SET_PDEATHSIG = 1,
-    GET_PDEATHSIG = 2,
-
-    GET_DUMPABLE = 3,
-    SET_DUMPABLE = 4,
-
-    GET_UNALIGN = 5,
-    SET_UNALIGN = 6,
-
-    GET_KEEPCAPS = 7,
-    SET_KEEPCAPS = 8,
-
-    GET_FPEMU = 9,
-    SET_FPEMU = 10,
-
-    GET_FPEXC = 11,
-    SET_FPEXC = 12,
-
-    GET_TIMING = 13,
-    SET_TIMING = 14,
-
-    SET_NAME = 15,
-    GET_NAME = 16,
-
-    GET_ENDIAN = 19,
-    SET_ENDIAN = 20,
-
-    GET_SECCOMP = 21,
-    SET_SECCOMP = 22,
-
-    CAPBSET_READ = 23,
-    CAPBSET_DROP = 24,
-
-    GET_TSC = 25,
-    SET_TSC = 26,
-
-    GET_SECUREBITS = 27,
-    SET_SECUREBITS = 28,
-
-    SET_TIMERSLACK = 29,
-    GET_TIMERSLACK = 30,
-
-    TASK_PERF_EVENTS_DISABLE = 31,
-    TASK_PERF_EVENTS_ENABLE = 32,
-
-    MCE_KILL = 33,
-
-    MCE_KILL_GET = 34,
-
-    SET_MM = 35,
-
-    SET_PTRACER = 0x59616d61,
-
-    SET_CHILD_SUBREAPER = 36,
-    GET_CHILD_SUBREAPER = 37,
-
-    SET_NO_NEW_PRIVS = 38,
-    GET_NO_NEW_PRIVS = 39,
-
-    GET_TID_ADDRESS = 40,
-
-    SET_THP_DISABLE = 41,
-    GET_THP_DISABLE = 42,
-
-    MPX_ENABLE_MANAGEMENT = 43,
-    MPX_DISABLE_MANAGEMENT = 44,
-
-    SET_FP_MODE = 45,
-    GET_FP_MODE = 46,
-
-    CAP_AMBIENT = 47,
-
-    SVE_SET_VL = 50,
-    SVE_GET_VL = 51,
-
-    GET_SPECULATION_CTRL = 52,
-    SET_SPECULATION_CTRL = 53,
-
-    _,
-};
-
-pub const PR_SET_PDEATHSIG = @enumToInt(PR.SET_PDEATHSIG);
-pub const PR_GET_PDEATHSIG = @enumToInt(PR.GET_PDEATHSIG);
-
-pub const PR_GET_DUMPABLE = @enumToInt(PR.GET_DUMPABLE);
-pub const PR_SET_DUMPABLE = @enumToInt(PR.SET_DUMPABLE);
-
-pub const PR_GET_UNALIGN = @enumToInt(PR.GET_UNALIGN);
-pub const PR_SET_UNALIGN = @enumToInt(PR.SET_UNALIGN);
-pub const PR_UNALIGN_NOPRINT = 1;
-pub const PR_UNALIGN_SIGBUS = 2;
-
-pub const PR_GET_KEEPCAPS = @enumToInt(PR.GET_KEEPCAPS);
-pub const PR_SET_KEEPCAPS = @enumToInt(PR.SET_KEEPCAPS);
-
-pub const PR_GET_FPEMU = @enumToInt(PR.GET_FPEMU);
-pub const PR_SET_FPEMU = @enumToInt(PR.SET_FPEMU);
-pub const PR_FPEMU_NOPRINT = 1;
-pub const PR_FPEMU_SIGFPE = 2;
-
-pub const PR_GET_FPEXC = @enumToInt(PR.GET_FPEXC);
-pub const PR_SET_FPEXC = @enumToInt(PR.SET_FPEXC);
-pub const PR_FP_EXC_SW_ENABLE = 0x80;
-pub const PR_FP_EXC_DIV = 0x010000;
-pub const PR_FP_EXC_OVF = 0x020000;
-pub const PR_FP_EXC_UND = 0x040000;
-pub const PR_FP_EXC_RES = 0x080000;
-pub const PR_FP_EXC_INV = 0x100000;
-pub const PR_FP_EXC_DISABLED = 0;
-pub const PR_FP_EXC_NONRECOV = 1;
-pub const PR_FP_EXC_ASYNC = 2;
-pub const PR_FP_EXC_PRECISE = 3;
-
-pub const PR_GET_TIMING = @enumToInt(PR.GET_TIMING);
-pub const PR_SET_TIMING = @enumToInt(PR.SET_TIMING);
-pub const PR_TIMING_STATISTICAL = 0;
-pub const PR_TIMING_TIMESTAMP = 1;
-
-pub const PR_SET_NAME = @enumToInt(PR.SET_NAME);
-pub const PR_GET_NAME = @enumToInt(PR.GET_NAME);
-
-pub const PR_GET_ENDIAN = @enumToInt(PR.GET_ENDIAN);
-pub const PR_SET_ENDIAN = @enumToInt(PR.SET_ENDIAN);
-pub const PR_ENDIAN_BIG = 0;
-pub const PR_ENDIAN_LITTLE = 1;
-pub const PR_ENDIAN_PPC_LITTLE = 2;
-
-pub const PR_GET_SECCOMP = @enumToInt(PR.GET_SECCOMP);
-pub const PR_SET_SECCOMP = @enumToInt(PR.SET_SECCOMP);
-
-pub const PR_CAPBSET_READ = @enumToInt(PR.CAPBSET_READ);
-pub const PR_CAPBSET_DROP = @enumToInt(PR.CAPBSET_DROP);
-
-pub const PR_GET_TSC = @enumToInt(PR.GET_TSC);
-pub const PR_SET_TSC = @enumToInt(PR.SET_TSC);
-pub const PR_TSC_ENABLE = 1;
-pub const PR_TSC_SIGSEGV = 2;
-
-pub const PR_GET_SECUREBITS = @enumToInt(PR.GET_SECUREBITS);
-pub const PR_SET_SECUREBITS = @enumToInt(PR.SET_SECUREBITS);
-
-pub const PR_SET_TIMERSLACK = @enumToInt(PR.SET_TIMERSLACK);
-pub const PR_GET_TIMERSLACK = @enumToInt(PR.GET_TIMERSLACK);
-
-pub const PR_TASK_PERF_EVENTS_DISABLE = @enumToInt(PR.TASK_PERF_EVENTS_DISABLE);
-pub const PR_TASK_PERF_EVENTS_ENABLE = @enumToInt(PR.TASK_PERF_EVENTS_ENABLE);
-
-pub const PR_MCE_KILL = @enumToInt(PR.MCE_KILL);
-pub const PR_MCE_KILL_CLEAR = 0;
-pub const PR_MCE_KILL_SET = 1;
-
-pub const PR_MCE_KILL_LATE = 0;
-pub const PR_MCE_KILL_EARLY = 1;
-pub const PR_MCE_KILL_DEFAULT = 2;
-
-pub const PR_MCE_KILL_GET = @enumToInt(PR.MCE_KILL_GET);
-
-pub const PR_SET_MM = @enumToInt(PR.SET_MM);
-pub const PR_SET_MM_START_CODE = 1;
-pub const PR_SET_MM_END_CODE = 2;
-pub const PR_SET_MM_START_DATA = 3;
-pub const PR_SET_MM_END_DATA = 4;
-pub const PR_SET_MM_START_STACK = 5;
-pub const PR_SET_MM_START_BRK = 6;
-pub const PR_SET_MM_BRK = 7;
-pub const PR_SET_MM_ARG_START = 8;
-pub const PR_SET_MM_ARG_END = 9;
-pub const PR_SET_MM_ENV_START = 10;
-pub const PR_SET_MM_ENV_END = 11;
-pub const PR_SET_MM_AUXV = 12;
-pub const PR_SET_MM_EXE_FILE = 13;
-pub const PR_SET_MM_MAP = 14;
-pub const PR_SET_MM_MAP_SIZE = 15;
-
-pub const prctl_mm_map = extern struct {
-    start_code: u64,
-    end_code: u64,
-    start_data: u64,
-    end_data: u64,
-    start_brk: u64,
-    brk: u64,
-    start_stack: u64,
-    arg_start: u64,
-    arg_end: u64,
-    env_start: u64,
-    env_end: u64,
-    auxv: *u64,
-    auxv_size: u32,
-    exe_fd: u32,
-};
-
-pub const PR_SET_PTRACER = @enumToInt(PR.SET_PTRACER);
-pub const PR_SET_PTRACER_ANY = std.math.maxInt(c_ulong);
-
-pub const PR_SET_CHILD_SUBREAPER = @enumToInt(PR.SET_CHILD_SUBREAPER);
-pub const PR_GET_CHILD_SUBREAPER = @enumToInt(PR.GET_CHILD_SUBREAPER);
-
-pub const PR_SET_NO_NEW_PRIVS = @enumToInt(PR.SET_NO_NEW_PRIVS);
-pub const PR_GET_NO_NEW_PRIVS = @enumToInt(PR.GET_NO_NEW_PRIVS);
-
-pub const PR_GET_TID_ADDRESS = @enumToInt(PR.GET_TID_ADDRESS);
-
-pub const PR_SET_THP_DISABLE = @enumToInt(PR.SET_THP_DISABLE);
-pub const PR_GET_THP_DISABLE = @enumToInt(PR.GET_THP_DISABLE);
-
-pub const PR_MPX_ENABLE_MANAGEMENT = @enumToInt(PR.MPX_ENABLE_MANAGEMENT);
-pub const PR_MPX_DISABLE_MANAGEMENT = @enumToInt(PR.MPX_DISABLE_MANAGEMENT);
-
-pub const PR_SET_FP_MODE = @enumToInt(PR.SET_FP_MODE);
-pub const PR_GET_FP_MODE = @enumToInt(PR.GET_FP_MODE);
-pub const PR_FP_MODE_FR = 1 << 0;
-pub const PR_FP_MODE_FRE = 1 << 1;
-
-pub const PR_CAP_AMBIENT = @enumToInt(PR.CAP_AMBIENT);
-pub const PR_CAP_AMBIENT_IS_SET = 1;
-pub const PR_CAP_AMBIENT_RAISE = 2;
-pub const PR_CAP_AMBIENT_LOWER = 3;
-pub const PR_CAP_AMBIENT_CLEAR_ALL = 4;
-
-pub const PR_SVE_SET_VL = @enumToInt(PR.SVE_SET_VL);
-pub const PR_SVE_SET_VL_ONEXEC = 1 << 18;
-pub const PR_SVE_GET_VL = @enumToInt(PR.SVE_GET_VL);
-pub const PR_SVE_VL_LEN_MASK = 0xffff;
-pub const PR_SVE_VL_INHERIT = 1 << 17;
-
-pub const PR_GET_SPECULATION_CTRL = @enumToInt(PR.GET_SPECULATION_CTRL);
-pub const PR_SET_SPECULATION_CTRL = @enumToInt(PR.SET_SPECULATION_CTRL);
-pub const PR_SPEC_STORE_BYPASS = 0;
-pub const PR_SPEC_NOT_AFFECTED = 0;
-pub const PR_SPEC_PRCTL = 1 << 0;
-pub const PR_SPEC_ENABLE = 1 << 1;
-pub const PR_SPEC_DISABLE = 1 << 2;
-pub const PR_SPEC_FORCE_DISABLE = 1 << 3;