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Ben Kimock afa1dddcf9 Store protectors outside Item, pack Tag and Perm 
Previously, Item was a struct of a NonZeroU64, an Option which was
usually unset or irrelevant, and a 4-variant enum. So collectively, the
size of an Item was 24 bytes, but only 8 bytes were used for the most
part.

So this takes advantage of the fact that it is probably impossible to
exhaust the total space of SbTags, and steals 3 bits from it to pack the
whole struct into a single u64. This bit-packing means that we reduce
peak memory usage when Miri goes memory-bound by ~3x. We also get CPU
performance improvements of varying size, because not only are we simply
accessing less memory, we can now compare a Vec<Item> using a memcmp
because it does not have any padding.
2022-07-12 21:01:33 -04:00
..
alloc Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
backtrace rustup 2022-07-05 18:16:20 -04:00
concurrency Port all tests 2022-07-08 16:08:32 +00:00
dangling_pointers Port all tests 2022-07-08 16:08:32 +00:00
data_race Port all tests 2022-07-08 16:08:32 +00:00
fs Port all tests 2022-07-08 16:08:32 +00:00
function_calls Port all tests 2022-07-08 16:08:32 +00:00
function_pointers Port all tests 2022-07-08 16:08:32 +00:00
intrinsics Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
panic Port all tests 2022-07-08 16:08:32 +00:00
provenance Port all tests 2022-07-08 16:08:32 +00:00
should-pass Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
stacked_borrows Store protectors outside Item, pack Tag and Perm 2022-07-12 21:01:33 -04:00
sync Port all tests 2022-07-08 16:08:32 +00:00
unaligned_pointers Port all tests 2022-07-08 16:08:32 +00:00
validity Port all tests 2022-07-08 16:08:32 +00:00
weak_memory Port all tests 2022-07-08 16:08:32 +00:00
abort-terminator.rs Manual adjustments 2022-06-23 13:08:52 -07:00
abort-terminator.stderr Bless stderr files after rustfmt 2022-06-23 13:08:52 -07:00
box-cell-alias.rs Port all tests 2022-07-08 16:08:32 +00:00
box-cell-alias.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
branchless-select-i128-pointer.rs rustup 2022-06-29 21:31:27 -04:00
branchless-select-i128-pointer.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
breakpoint.rs rename test suite directories 2022-06-01 10:53:38 -04:00
breakpoint.stderr rename test suite directories 2022-06-01 10:53:38 -04:00
environ-gets-deallocated.rs Port all tests 2022-07-08 16:08:32 +00:00
environ-gets-deallocated.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
erroneous_const.rs Port all tests 2022-07-08 16:08:32 +00:00
erroneous_const.stderr rustup 2022-06-16 11:18:09 -07:00
erroneous_const2.rs Add rustfmt::skip to some files 2022-06-19 17:21:57 -07:00
erroneous_const2.stderr rustup 2022-07-02 08:38:07 -04:00
extern_static.rs rename test suite directories 2022-06-01 10:53:38 -04:00
extern_static.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
extern_static_in_const.rs fix ICE when const refers to extern static 2022-06-21 21:03:40 -07:00
extern_static_in_const.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
fast_math_both.rs rename test suite directories 2022-06-01 10:53:38 -04:00
fast_math_both.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
fast_math_first.rs rename test suite directories 2022-06-01 10:53:38 -04:00
fast_math_first.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
fast_math_second.rs rename test suite directories 2022-06-01 10:53:38 -04:00
fast_math_second.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
generator-pinned-moved.rs Port all tests 2022-07-08 16:08:32 +00:00
generator-pinned-moved.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
invalid_bool.rs Port all tests 2022-07-08 16:08:32 +00:00
invalid_bool.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
invalid_char.rs Port all tests 2022-07-08 16:08:32 +00:00
invalid_char.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
invalid_enum_tag.rs Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
invalid_enum_tag.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
invalid_int.rs Port all tests 2022-07-08 16:08:32 +00:00
invalid_int.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
issue-miri-1112.rs Format tests with rustfmt (151-200 of 300) 2022-06-20 23:50:40 -07:00
issue-miri-1112.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
memleak.rs Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
memleak.stderr rename test suite directories 2022-06-01 10:53:38 -04:00
memleak_rc.32bit.stderr rename test suite directories 2022-06-01 10:53:38 -04:00
memleak_rc.64bit.stderr rename test suite directories 2022-06-01 10:53:38 -04:00
memleak_rc.rs Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
memleak_rc.stderr Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
modifying_constants.rs Port all tests 2022-07-08 16:08:32 +00:00
modifying_constants.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
never_say_never.rs Port all tests 2022-07-08 16:08:32 +00:00
never_say_never.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
never_transmute_humans.rs Port all tests 2022-07-08 16:08:32 +00:00
never_transmute_humans.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
never_transmute_void.rs Port all tests 2022-07-08 16:08:32 +00:00
never_transmute_void.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
no_main.rs Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
no_main.stderr rename test suite directories 2022-06-01 10:53:38 -04:00
pointer_partial_overwrite.rs Port all tests 2022-07-08 16:08:32 +00:00
pointer_partial_overwrite.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
rc_as_ptr.rs Port all tests 2022-07-08 16:08:32 +00:00
rc_as_ptr.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
reading_half_a_pointer.rs Format tests with rustfmt (151-200 of 300) 2022-06-20 23:50:40 -07:00
reading_half_a_pointer.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
rustc-error.rs rename test suite directories 2022-06-01 10:53:38 -04:00
rustc-error.stderr rename test suite directories 2022-06-01 10:53:38 -04:00
shim_arg_size.32bit.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
shim_arg_size.64bit.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
shim_arg_size.rs Port all tests 2022-07-08 16:08:32 +00:00
static_memory_modification1.rs Port all tests 2022-07-08 16:08:32 +00:00
static_memory_modification1.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
static_memory_modification2.rs Port all tests 2022-07-08 16:08:32 +00:00
static_memory_modification2.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
static_memory_modification3.rs Port all tests 2022-07-08 16:08:32 +00:00
static_memory_modification3.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
transmute-pair-uninit.rs Format tests with rustfmt (201-224 of 300) 2022-06-21 11:32:06 -07:00
transmute-pair-uninit.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
transmute_fat1.rs rustup 2022-06-29 21:31:27 -04:00
transmute_fat1.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
type-too-large.rs Port all tests 2022-07-08 16:08:32 +00:00
type-too-large.stderr Bless stderr files after rustfmt 2022-06-21 23:21:37 -07:00
uninit_buffer.rs Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
uninit_buffer.stderr rustup 2022-07-07 20:12:30 -04:00
uninit_byte_read.rs Port all tests 2022-07-08 16:08:32 +00:00
uninit_byte_read.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
uninit_raw_ptr.rs rustup 2022-06-29 21:31:27 -04:00
uninit_raw_ptr.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
unreachable.rs Replace all //error-pattern comments with strict syntax and fix other comments in the same files 2022-07-08 15:55:37 +00:00
unreachable.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
unsized-local.rs adjust tests for removal of unsized_locals 2022-07-06 21:40:31 -04:00
unsized-local.stderr adjust tests for removal of unsized_locals 2022-07-06 21:40:31 -04:00
unsupported_foreign_function.rs rename test suite directories 2022-06-01 10:53:38 -04:00
unsupported_foreign_function.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
unsupported_signal.rs Port all tests 2022-07-08 16:08:32 +00:00
unsupported_signal.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
zst1.rs rename test suite directories 2022-06-01 10:53:38 -04:00
zst1.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
zst2.rs Port all tests 2022-07-08 16:08:32 +00:00
zst2.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00
zst3.rs Port all tests 2022-07-08 16:08:32 +00:00
zst3.stderr pointer tag tracking: on creation, log the offsets it is created for 2022-07-02 11:33:29 -04:00