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97 Commits

Author SHA1 Message Date
JMC47 e5a4a86672
Merge pull request #10055 from JosJuice/jitarm64-reuse-memory 
JitArm64: Codegen space reuse
 2021-11-20 17:35:24 -05:00
Merry 7c2b09e156 Arm64Emitter: Add FRINTI instruction 2021-11-06 19:15:26 +00:00
JosJuice 44beaeaff5 Arm64Emitter: Check end of allocated space when emitting code 
JitArm64 port of 5b52b3e.
 2021-10-13 21:52:16 +02:00
JMC47 3bfb3fa52b
Merge pull request #9884 from JosJuice/jitarm64-paired-loadstore-addr 
JitArm64: Improve psq_l/psq_st address checking
 2021-10-11 16:49:26 -04:00
JosJuice de21dc5fd9 JitArm64: Add bitset constants for caller saved registers 2021-09-08 21:26:05 +02:00
JosJuice 9889e7eb33 JitArm64: divwx - Optimize power-of-two divisors 
Power-of-two divisors can be done more elegantly, so handle them
separately.
 2021-08-26 15:04:55 +02:00
JosJuice 09cdb076a3 JitArm64: divwx - Optimize constant dividend 
When the dividend is known at compile time, we can eliminate some
of the branching and precompute the result for the overflow case.
 2021-08-26 14:50:01 +02:00
JosJuice a90b0a1c93 JitArm64: Implement mtfsfx 
The sixth and final part of implementing the FPSCR system register
instructions.
 2021-07-31 23:50:20 +02:00
JosJuice 8af5095ff4 JitArm64: Stop using hand-encoded logical immediates 2021-07-12 22:25:49 +02:00
JosJuice 9e80db123f JitArm64: Encode logical immediates at compile-time where possible 
Manually encoding and decoding logical immediates is error-prone.
Using ORRI2R and friends lets us avoid doing the work manually,
but in exchange, there is a runtime performance penalty. It's
probably rather small, but still, it would be nice if we could
let the compiler do the work at compile-time. And that's exactly
what this commit does, so now I have no excuse for trying to
manually write logical immediates anymore.
 2021-07-10 20:43:59 +02:00
JosJuice 10861ed8ce JitArm64: Turn IsImmLogical into a constexpr constructor 2021-07-10 20:31:28 +02:00
JosJuice ab024b218e JitArm64: Accept LogicalImm struct as bitwise inst parameter 2021-07-10 20:13:11 +02:00
Pierre Bourdon e149ad4f0a
treewide: convert GPLv2+ license info to SPDX tags 
SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.
 2021-07-05 04:35:56 +02:00
Mai M 1054abc9cc
Merge pull request #9712 from JosJuice/jitarm64-fmul-rounding 
JitArm64: Fix fmul rounding issues
 2021-05-20 10:25:02 -04:00
JosJuice 11be2314fe JitArm64: Fix fmul rounding issues 
This is a port of 4f18f60 to JitArm64.
 2021-05-15 23:27:34 +02:00
JosJuice 85226e09f0 JitArm64: Implement fres 2021-05-15 19:16:32 +02:00
JosJuice 1d106ceaf5 JitArm64: Optimize ConvertSingleToDouble, part 2 
If we can prove that FCVT will provide a correct conversion,
we can use FCVT. This makes the common case a bit faster
and the less likely cases (unfortunately including zero,
which FCVT actually can convert correctly) a bit slower.
 2021-04-25 15:56:19 +02:00
JosJuice 4c2cdb61df JitArm64: Constant carry flag optimizations 
If we know at compile time that the PPC carry flag definitely
has a certain value, we can bake that value into the emitted code
and skip having to read from PPCState.
 2021-03-19 22:40:19 +01:00
Dentomologist f0f206714f Arm64Gen: Convert ARM64Reg to enum class 
Most changes are just adding ARM64Reg:: in front of the constants.
 2021-03-13 10:10:59 -08:00
JosJuice 9ad4f724e4 Arm64Emitter: Use ORR in MOVI2R 2021-02-13 21:04:13 +01:00
JosJuice 0d5ed06daf Arm64Emitter: Improve MOVI2R 
More or less a complete rewrite of the function which aims
to be equally good or better for each given input, without
relying on special cases like the old implementation did.

In particular, we now have more extensive support for
MOVN, as mentioned in a TODO comment.
 2021-02-13 20:23:03 +01:00
JosJuice 4e107935ac Arm64Emitter: Allow specifying 21th bit of ADRP imm 2021-02-13 11:33:27 +01:00
JosJuice d226b8f825 Arm64Emitter: Remove optimize parameter from MOVI2R 
I don't really see the use of this. (Maybe in the past it
was used for when we need a constant number of instructions
for backpatching? But we don't use MOVI2R for that now.)
 2021-02-13 11:33:27 +01:00
JosJuice efeda3b759 JitArm64: More constant propagation optimizations 
PR 9262 added a bunch of Jit64 optimizations, some of
which were already in JitArm64 and some which weren't.
This change ports the latter ones to JitArm64.
 2021-02-07 13:55:35 +01:00
MerryMage be6aec9932 Arm64Emitter: Add BFXIL 2021-01-31 12:04:57 +00:00
JosJuice 67491979ab JitArm64: Avoid using X30 with BLR 
At least on some CPUs (I found out about this from the
Arm Cortex-A76 Software Optimization Guide), using X30
with BLR is one cycle slower than using another register.
 2021-01-23 10:32:44 +01:00
Dentomologist e3237661ec Arm64Emitter: Convert ShiftType to enum class 2021-01-17 16:21:38 -08:00
Dentomologist 70c54065ab Arm64Emitter: Convert IndexType to enum class 2021-01-15 23:27:11 -08:00
Lioncash 36af39853d Arm64Emitter: Remove unused OpType enum 
This isn't used anywhere, so we can remove it.
 2021-01-01 11:06:05 -05:00
Lioncash 95cc53edec Arm64Emitter: Convert ArithOption enums into enum classes 
Makes the enums strongly typed. While we're at it, we can also make
these enums private.
 2021-01-01 07:10:41 -05:00
Lioncash cca0dffebd Arm64Emitter: Add shorthand member functions for hint instructions 
Allows for more concise code.
 2020-12-30 20:49:20 -05:00
Lioncash 6046a15267 Arm64Emitter: Make ShiftAmount enum an enum class 
Reduces namespace pollution and makes the enum strongly typed.
 2020-12-30 20:49:20 -05:00
Lioncash fab2053439 Arm64Emitter: Make RoundingMode enum an enum class 
Prevents namespace pollution and makes the enum members strongly typed.
 2020-12-30 20:49:20 -05:00
Lioncash d87ec71615 Arm64Emitter: Make PStateField enum an enum class 
Prevents namespace pollution and makes the enum members strongly typed.
 2020-12-30 20:49:20 -05:00
Lioncash 5c3f2fde22 Arm64Emitter: Make BarrierType enum an enum class 
Prevents namespace pollution and enforces strong typing.
 2020-12-30 20:49:20 -05:00
Lioncash f21c740919 Arm64Emitter: Make SystemHint enum an enum class 
Avoids polluting the namespace and makes the members strongly typed.
 2020-12-30 20:49:20 -05:00
Lioncash 5011c155ec Arm64Emitter: Make type member of FixupBranch an enum class 
Eliminates some magic numbers and makes the type member strongly typed.
 2020-12-30 20:49:20 -05:00
Admiral H. Curtiss 5b52b3e9cb x64Emitter: Check end of allocated space when emitting code. 2020-08-24 19:31:32 +02:00
Techjar ff972e3673 Reformat repo to clang-format 7.0 rules 2019-05-06 18:48:04 +00:00
Lioncash 208be26bb4 Arm64Emitter: Make the Align* functions return a non-const data pointer 
Similar in nature to e28d063539 in which
this same change was applied to the x64 emitter.

There's no real requirement to make this const, and this should also
be decided by the calling code, considering we had places that would
simply cast away the const and carry on
 2018-08-27 09:44:38 -04:00
Lioncash 1c63a48fab Common/CodeBlock: Namespace code under the Common namespace 
Brings more common code under the Common namespace.
 2018-05-17 15:57:29 -04:00
Lioncash 91cefe6c8a
Arm64Emitter: Make IsImmArithmetic, IsImmLogical, FPImm8ToFloat, and FPImm8FromFloat internally linked 
These aren't used anywhere outside of the emitter. Centralizes them under an anonymous namespace.
 2018-03-23 19:17:26 -04:00
Lioncash 50a476c371 Assert: Uppercase assertion macros 
Macros should be all upper-cased. This is also kind of a wart that's
been sticking out for quite a while now (we avoid prefixing
underscores).
 2018-03-14 22:03:12 -04:00
degasus 304e601ad3 JitArm64: Reimplement aarch64 cycle counters. 
CNTVCT_EL0 is force-enabled on all linux plattforms.
Windows is untested, but as this is the best way to get *any* low
overhead performance counters, they likely use it as well.
 2017-09-02 13:24:37 +02:00
Markus Wick d78009877b JitArm64: Fix LSL/LSR/ROR/ASR wrappers. 
The other method has a latency of 2 cycles. This also improves the
throughput a lot.
 2017-08-12 00:00:41 +02:00
Tillmann Karras c54c49714d Arm64Emitter: add FRECPE 2017-05-03 08:02:35 +01:00
Michael Maltese 3d7bace9da Arm64Emitter: extract lambda to AddImmediate() 
Fixes warning:

```
Source/Core/Common/Arm64Emitter.cpp:4108:31: error: declaration shadows a local variable [-Werror,-Wshadow]
    auto addi = [this](ARM64Reg Rd, ARM64Reg Rn, u64 imm, bool shift, bool negative, bool flags) {
                                ^
  /var/lib/buildbot/slave/pr-android/build/Source/Core/Common/Arm64Emitter.cpp:4105:46: note: previous declaration is here
  void ARM64XEmitter::ADDI2R_internal(ARM64Reg Rd, ARM64Reg Rn, u64 imm, bool negative, bool flags,
                                               ^
```
 2017-03-25 14:21:19 -07:00
Lioncash a7ec2d3831 Arm64Emitter: Get rid of pointer casts in PoisonMemory 
The previous code invokes undefined behavior.
 2017-03-23 07:10:21 -04:00
degasus f1a67bb1a2 JitArm64: Implement divwx 2016-10-29 13:35:23 +02:00
degasus 8ad98d0046 ArmEmitter: Merge AddI2R helpers. 2016-10-27 19:19:06 +02:00