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172 commits

Author SHA1 Message Date
MerryMage
1fe8f51c54 u128: Add StickyLogicalShiftRight 2020-04-22 20:46:21 +01:00
MerryMage
b0afd53ea7 u128: Add Multiply64To128 2020-04-22 20:46:21 +01:00
MerryMage
5566fab29a u128: Add u128::Bit 2020-04-22 20:46:21 +01:00
MerryMage
3e62fea003 u128: Add comparison operators 2020-04-22 20:46:21 +01:00
MerryMage
f17cd6f2c5 unpacked: Use ResidualErrorOnRightShift in FPRoundBase 
Fixes a bug relating to exponents that are severely out of range.
 2020-04-22 20:46:21 +01:00
MerryMage
805428e35e fp: Remove MantissaT 2020-04-22 20:46:21 +01:00
MerryMage
bda86fd167 FPRSqrtEstimate: Improve documentation of RecipSqrtEstimate 2020-04-22 20:46:21 +01:00
Lioncash
0a64a66b26 FPRSqrtEstimate: Deduplicate array bounds 
Dehardcodes a few constants in the loops.
 2020-04-22 20:46:21 +01:00
Lioncash
664fb12e21 FPRSqrtEstimate: Use forward declarations where applicable 2020-04-22 20:46:21 +01:00
MerryMage
bde58b04d4 IR: Implement FPRSqrtEstimate 2020-04-22 20:46:21 +01:00
Lioncash
1dc1e3dcd8 fp: Use forward declarations where applicable 
Minimizes the amount of files that need to be rebuilt if the headers
ever change.
 2020-04-22 20:46:21 +01:00
MerryMage
b53127600b fp: A64::FPCR -> FP::FPCR 2020-04-22 20:46:21 +01:00
MerryMage
084bf63a10 bit_util: Implement ClearBits and ModifyBits 2020-04-22 20:46:21 +01:00
Lioncash
84affdb260 safe_ops: Avoid cases where shift bases are invalid with signed values 
For example, say the converted signed type is s64, shifting left  by 63
bits would be undefined behavior.

However, given an ASL is essentially the same behavior as an LSL
we can just use an unsigned type instead of converting to a signed type.
 2020-04-22 20:46:21 +01:00
Lioncash
d0274f412a safe_ops: Avoid signed overflow in Negate() 
Negation of values such as -9223372036854775808 can't be represented in
signed equivalents (such as long long), leading to signed overflow.
Therefore, we can just invert bits and add 1 to perform this behavior
with unsigned arithmetic.
 2020-04-22 20:46:21 +01:00
MerryMage
1dbe9d95e6 FPRoundInt: Final FPRound based on new sign 
While this shouldn't change any of the results in theory, it's just logically more consistent
 2020-04-22 20:46:21 +01:00
MerryMage
b228694012 IR: Implement FPRoundInt 2020-04-22 20:46:20 +01:00
MerryMage
e24054f4d7 fp: Implement FPRoundInt 2020-04-22 20:46:20 +01:00
MerryMage
f876e4afa2 fp: Implement FPProcessNaN 2020-04-22 20:46:20 +01:00
MerryMage
591adee443 fp/info: Add DefaultNaN 2020-04-22 20:46:20 +01:00
MerryMage
797e18cd97 fp: Move FPToFixed to its own file 2020-04-22 20:46:20 +01:00
Lioncash
9f8a44c982 cast_util: Remove unnecessary typename 
Given we use std::aligned_storage_t, we don't need to specify
typename here. If we used std::aligned_storage, then we would need to.
 2020-04-22 20:46:19 +01:00
MerryMage
9571269552 fp/op: Implement FPToFixed 2020-04-22 20:46:19 +01:00
MerryMage
8087e8df05 mantissa_util: Implement ResidualErrorOnRightShift 
Accurately calculate residual error that is shifted out
 2020-04-22 20:46:19 +01:00
MerryMage
8668d61881 fp/unpacked: Implement FPRound 2020-04-22 20:46:19 +01:00
MerryMage
7360a2579b mp: Implement metaprogramming library 2020-04-22 20:46:19 +01:00
MerryMage
4ab029c114 fp: Implement FPUnpack 2020-04-22 20:46:19 +01:00
MerryMage
4875658917 fp: Implement FPProcessException 2020-04-22 20:46:19 +01:00
MerryMage
3cb98e1560 fp: Move fp_util to fp/util 2020-04-22 20:46:19 +01:00
MerryMage
c41a38b13e fp: Add FPSR 2020-04-22 20:46:19 +01:00
MerryMage
66381352f3 fp: Add FPInfo 
Provides information about floating-point format for various bit sizes
 2020-04-22 20:46:19 +01:00
MerryMage
d21659152c safe_ops: Implement safe shifting operations 
Implement shifiting operations that perform consistently across architectures
without running into undefined or implemented-defined behaviour.
 2020-04-22 20:46:19 +01:00
MerryMage
b00fe23b91 bit_util: Implement MostSignificantBit 2020-04-22 20:46:19 +01:00
MerryMage
95ad0d0a66 bit_util: Use Ones to implement Bits 2020-04-22 20:46:19 +01:00
MerryMage
62b640b2fa bit_util: Add ClearBit and ModifyBit 2020-04-22 20:46:19 +01:00
MerryMage
8651c2d10e u128: Implement u128 
For when we need a 128-bit integer
 2020-04-22 20:46:19 +01:00
MerryMage
d875c08ebf fp: Extract common RoundingMode enum 2020-04-22 20:46:18 +01:00
MerryMage
5503ff28c3 llvm_disassemble: Allow disassembly of invalid AArch64 instructions 2020-04-22 20:46:18 +01:00
MerryMage
8c90fcf58e IR: Implement FPMulAdd 2020-04-22 20:46:18 +01:00
Lioncash
b312d28295 ir: Add an opcode for doing an SM4 lookup table query 2020-04-22 20:46:17 +01:00
MerryMage
be907a61f7 math_util: rvalue references for std::forward 2020-04-22 20:46:16 +01:00
Lioncash
ade595e377 bit_util: Do nothing in RotateRight if the rotation amount is zero 
Without this sanitizing it's possible to perform a shift with a shift
amount that's the same size as the type being shifted. This actually
occurs when decoding ORR variants.

We could get fancier here and make this branchless, but we don't
really use RotateRight in any performance intensive areas.
 2020-04-22 20:46:15 +01:00
MerryMage
07520f32c3 backend_x64: Accurately handle NaNs 2020-04-22 20:46:14 +01:00
MerryMage
e97581d063 fuzz_with_unicorn: Print AArch64 disassembly 2020-04-22 20:46:14 +01:00
MerryMage
b062266b8e emit_x64_vector: More explicit lambda decay 2020-04-22 20:46:14 +01:00
MerryMage
afe16fa0f3 cast_util: Add BitCast and BitCastPointee 2020-04-22 20:46:13 +01:00
Lioncash
d040920727 Common: Put AES code within its own nested namespace 
Prevents the functions from potentially clashing with other stuff in Common in the future
 2020-04-22 20:46:13 +01:00
Lioncash
40614202e7 A64: Implement AESD 2020-04-22 20:46:13 +01:00
Lioncash
ccef85dbb7 A64: Implement AESE 2020-04-22 20:46:13 +01:00
Lioncash
a5c4fbc783 A64: Implement AESIMC and AESMC 2020-04-22 20:46:13 +01:00
Lioncash
744495e23d iterator_util: Make Reverse constexpr 
C++17 makes non-member rbegin(), rend(), crbegin(), and crend() constexpr, allowing this to also be constexpr.
 2020-04-22 20:46:12 +01:00
Lioncash
ab9b5fb8aa Common: Relocate common bits of CRC32 
Allows the algorithm to be used in any other potential backend.
 2020-04-22 20:46:12 +01:00
MerryMage
64761dbc72 scope_exit: Add SCOPE_SUCCESS and SCOPE_EXIT 2020-04-22 20:46:12 +01:00
MerryMage
d7044bc751 assert: Use fmt in ASSERT_MSG 2020-04-22 20:46:12 +01:00
Lioncash
67443efb62 General: Convert multiple namespace specifiers to nested namespace specifiers where applicable 
Makes namespacing a little less noisy
 2020-04-22 20:44:38 +01:00
MerryMage
33bba6028c bit_util: bug: Infinite loop in HighestSetBit 2020-04-22 20:44:37 +01:00
MerryMage
3caf192f60 A64: Implement DUP (general) 2020-04-22 20:44:37 +01:00
MerryMage
9f57283a30 A64: Implement SBFM, BFM, UBFM 2020-04-22 20:42:45 +01:00
MerryMage
26da149639 imm: compiler bug: MSVC 19.12 with /permissive- flag doesn't support fold expressions 2020-04-22 20:42:45 +01:00
MerryMage
e5ace37560 a64_emit_x64: Call interpreter 2020-04-22 20:42:45 +01:00
MerryMage
cb481a3a48 A64: Implement compare and branch 2020-04-22 20:42:45 +01:00
MerryMage
0641445e51 A64: Implement logical 2020-04-22 20:42:45 +01:00
MerryMage
3141dadea9 Remove UNUSED macro 2020-04-22 20:26:12 +01:00
Mat M
522992965a Common: Delete Pool's copy constructor and copy/move assignment operators (#117) 
The language defines a copy constructor as:

TypeName(const TypeName&)

so this was just deleting a constructor variant that would catch most cases of attempted copies.
 2020-04-22 20:22:01 +01:00
MerryMage
b992e5f8ec Ranged cache invalidation 
* Fix clearing code block on a partial invalidation
* Remove unnecessary use of boost::variant
* Code cleanup
 2017-09-11 00:11:05 +01:00
Lynn
fd068ed6b8 Ranged cache invalidation 2017-03-20 11:58:25 +00:00
MerryMage
e197b10b96 common: Introduce utility function VisitVariant 
VisitVariant allows one to use a generic lambda to visit a boost::variant.
This is necessary because boost::visit_variant requires the visitor type
to provide a return type.
 2017-02-16 19:30:56 +00:00
MerryMage
3e0e339d98 bit_util: Remove unnecessary include 2017-01-09 22:19:51 +00:00
MerryMage
0d1fa85402 bit_util: Bit<T>(size_t, const T) cannot be constexpr 
Compound statements are not permitted in constexpr functions in C++14
 2016-12-29 10:08:35 +00:00
MerryMage
163b67bf1f mp: Add support for const member function pointers to FunctionInfo 2016-12-23 11:32:12 +00:00
MerryMage
b23b524b03 bit_util: Add SignExtend implementation with runtime bit_count argument 2016-12-21 19:51:25 +00:00
MerryMage
b178ab3bec Replace (void)(...); idiom with UNUSED macro 2016-12-15 21:36:05 +00:00
MerryMage
dcc880a002 assert: _a_ expression string shouldn't be part of the format string 
The expression may contain the % operator.
 2016-12-12 07:49:18 +00:00
Mat M
4f7dc81492 mp: Fix static_assert condition (#46) 
Not an issue currently, but this would have prevented type inspection on
the last function parameter.
 2016-11-25 22:09:45 +00:00
Mat M
b41de890fb memory_pool: Deduplicate slab allocation code (#28) 2016-09-07 13:20:42 +01:00
Lioncash
c052f9f84c intrusive_list: Amend doxygen parameter documentation 2016-09-06 22:54:33 -04:00
Lioncash
1c4868ccce intrusive_list: Correct unused variable 2016-09-06 22:54:25 -04:00
Lioncash
8fb857f9da intrusive_list: Specify noexcept on swap implementations 
Necessary to fully satisfy the Swappable concept.
 2016-09-06 22:47:55 -04:00
Mat M
7f9a0c3c38 Remove unnecessary explicit includes (#16) 2016-09-03 21:48:03 +01:00
Mat M
3e03524658 assert: Use attribute specifier syntax with non MSVC compilers (#12) 2016-09-03 12:48:07 +01:00
MerryMage
cc3e7e71aa bit_util: std::bitset-based BitCount implementation 
Suggestion by @lioncash.
 2016-09-02 22:00:48 +01:00
MerryMage
e8764c129f bit_util: Implement BitCount portably 2016-09-02 19:05:49 +01:00
Lioncash
f2bf795876 intrusive_list: Interface changes 
- Remove the root pointer from iterators.

This is unnecessary, since the only way to get a valid iterator is
either from a node itself (it transiently becomes an iterator via the
underlying interface), or through the iterator interface for the list.
This should also result in better code generation, as each increment or
decrement of an iterator is now branchless.

- Remove iterator_to

This is actually a pretty dangerous function, since it would immediately
create an iterator into the list using the given item, even if it's not
actually part of the list. This was only left around due to lack of
type handling around constructors.

- Add other overloads for erase() and remove()

Now handles iterators, pointers, and references.
 2016-08-28 20:56:40 +01:00
Lioncash
79545661b3 intrusive_list: De-duplicate some iterator code 
These increment/decrement variants can just leverage the other
overloads.
 2016-08-26 19:15:11 +01:00
Lioncash
0102951bdd Convert formatting over to fmtlib 2016-08-26 13:13:19 +01:00
MerryMage
e32812cd00 Port x64 backend to xbyak 2016-08-25 16:18:17 +01:00
MerryMage
445aad0639 x64/emitter: Add opBits argument to CVTSI2SS and CVTSI2SD 2016-08-23 21:58:34 +01:00
Lioncash
d5805cc6eb intrusive_list: Add size querying 
Since we store pointers and have an interface for iterators
set up, the count is just the distance from the beginning
to the end of the list.

Nice thing is that because of this, basic blocks also get
the ability to have a size count without needing to do anything
directly.
 2016-08-23 19:52:09 +01:00
Lioncash
897b776250 string_util: Use C++ attribute specifier for format strings 
This is also compatible with both clang and GCC
 2016-08-23 19:38:48 +01:00
Lioncash
867d345fdc disassembler: Deduplicate SignStr 
Also just makes it return a character, rather than a pointer to a
string.
 2016-08-23 16:40:33 +01:00
Lioncash
8bed891011 x64 emitter: Fix swapped parameter names 2016-08-23 16:39:38 +01:00
Lioncash
67706c208b assert: Use false in asserts rather than 0 
Quiets extended warnings.
 2016-08-23 14:31:54 +01:00
Lioncash
46573eb538 intrusive_list: Add insert_before() and insert_after() helper functions 
Small helpers for inserting nodes before and after an existing one.
insert() is the same as insert_before(), so insert() is just made
to be an alias of this.
 2016-08-23 12:38:57 +01:00
MerryMage
a32689c832 x64/emitter: Implement CMPxxSD instructions 2016-08-22 15:54:18 +01:00
Lioncash
226d66dd5b intrusive_list: satisfy the Swappable concept 2016-08-22 12:38:16 +01:00
Lioncash
2a9fdacc60 intrusive_list: move iterator implementation above list 
Will make keeping non-member list functions easier to keep together with
the class.
 2016-08-22 12:38:16 +01:00
Lioncash
669ffb5f3a intrusive_list: Add pop_back(), pop_front(), front(), and back() member functions 2016-08-20 21:26:16 +01:00
Lioncash
a8ba15f0d5 intrusive_list: Make Remove and IsEmpty stdlib compatible 
Makes the name match the standard library equivalents.

C++17 introduces non-member empty() which allows for nicer handling
in generic contexts. May as well make the data structure compatible with
it.
 2016-08-19 20:25:18 +01:00
Lioncash
23d190f7b0 intrusive_list: Support inserters 
Allows std::inserter, std::back_inserter, and std::front_inserter to work
with intrusive lists.
 2016-08-19 20:25:17 +01:00
Lioncash
fe9329ef3e intrusive_list: Add list class type definitions; extend iterator interface 
Adds type definitions, and extends the list interface to support all
standard library forms of iterator creation.
 2016-08-18 23:47:26 +01:00