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, 35 deletions

diff --git a/lib/std/os/bits/linux/securebits.zig b/lib/std/os/bits/linux/securebits.zig
deleted file mode 100644
index a23ced3cf2..0000000000
--- a/lib/std/os/bits/linux/securebits.zig
+++ /dev/null
@@ -1,35 +0,0 @@
-fn issecure_mask(comptime x: comptime_int) comptime_int {
-    return 1 << x;
-}
-
-pub const SECUREBITS_DEFAULT = 0x00000000;
-
-pub const SECURE_NOROOT = 0;
-pub const SECURE_NOROOT_LOCKED = 1;
-
-pub const SECBIT_NOROOT = issecure_mask(SECURE_NOROOT);
-pub const SECBIT_NOROOT_LOCKED = issecure_mask(SECURE_NOROOT_LOCKED);
-
-pub const SECURE_NO_SETUID_FIXUP = 2;
-pub const SECURE_NO_SETUID_FIXUP_LOCKED = 3;
-
-pub const SECBIT_NO_SETUID_FIXUP = issecure_mask(SECURE_NO_SETUID_FIXUP);
-pub const SECBIT_NO_SETUID_FIXUP_LOCKED = issecure_mask(SECURE_NO_SETUID_FIXUP_LOCKED);
-
-pub const SECURE_KEEP_CAPS = 4;
-pub const SECURE_KEEP_CAPS_LOCKED = 5;
-
-pub const SECBIT_KEEP_CAPS = issecure_mask(SECURE_KEEP_CAPS);
-pub const SECBIT_KEEP_CAPS_LOCKED = issecure_mask(SECURE_KEEP_CAPS_LOCKED);
-
-pub const SECURE_NO_CAP_AMBIENT_RAISE = 6;
-pub const SECURE_NO_CAP_AMBIENT_RAISE_LOCKED = 7;
-
-pub const SECBIT_NO_CAP_AMBIENT_RAISE = issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE);
-pub const SECBIT_NO_CAP_AMBIENT_RAISE_LOCKED = issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE_LOCKED);
-
-pub const SECURE_ALL_BITS = issecure_mask(SECURE_NOROOT) |
-    issecure_mask(SECURE_NO_SETUID_FIXUP) |
-    issecure_mask(SECURE_KEEP_CAPS) |
-    issecure_mask(SECURE_NO_CAP_AMBIENT_RAISE);
-pub const SECURE_ALL_LOCKS = SECURE_ALL_BITS << 1;