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2042 commits

Author SHA1 Message Date
Wunkolo
5cc646ffed emit_x64_vector: GNFI implementation of EmitVectorLogicalShiftRight8 
Bitshifts of the GFNI identity matrix generates a new matrix that
applies lane-wise bitshifts as well. This allows for a fast
single-instruction implementation of a byte-lane bitshift.
 2020-11-07 15:29:12 +00:00
MerryMage
46f96904db decoder_detail: Add check for N==0 to GetArgInfo 2020-10-11 22:12:21 +01:00
Wunkolo
6bb49726f4 emit_x64_vector: GNFI+SSSE3 implementation of EmitVectorReverseBits 
Performs a full 128-bit bit-reversal using only two instructions.

First by reversing all the bits of each byte using a galois matrix
multiplication(vgf2p8affineqb, Icelake), and then by reversing the bytes
themselves(pshufb, ssse3).
 2020-10-02 05:56:59 +01:00
ReinUsesLisp
eb00bea1ff backend/x64/exception_handler_posix: Fix signal stack memory leak in SigHandler 
std::malloc was being called inside SigHandler's constructor without a
std::free. This doesn't really matter as SigHandler is used as a
singleton and the OS will reclaim that memory. That said, properly
freeing memory keeps -fsanitize=address quiet.
 2020-10-02 05:56:07 +01:00
Wunkolo
c2d5f6da90 block_of_code: Add HasAVX512_Icelake 
Detect AVX512 feature support up to the [Icelake-level featureset](https://en.wikipedia.org/wiki/AVX-512#CPUs_with_AVX-512)
 2020-09-19 15:20:40 +01:00
Lioncash
0e1112b7df Revert "basic_block: Mark move constructor and assignment as noexcept" 
This reverts commit 4f12e86ebb.

Big fan of MSVC preventing standard behavior.
 2020-08-14 16:49:40 -04:00
Lioncash
889635d17d general: Resolve -Wmissing-prototypes warnings 2020-08-14 14:50:09 -04:00
Lioncash
68fea20020 common/assert: Resolve several -Wextra-semi warnings 
Resolves 200+ warnings.
 2020-08-14 14:45:53 -04:00
Lioncash
4f12e86ebb basic_block: Mark move constructor and assignment as noexcept 
Allows the type to play nicely with standard library facilities better
(also we shouldn't be throwing in move operations to begin with).
 2020-08-14 14:38:28 -04:00
Lioncash
34f4d99454 block_of_code: Remove unused variables in GenRunCode() 
These aren't used, so they can be removed.
 2020-08-14 14:35:17 -04:00
Lioncash
29d1758923 ir_matcher: Add missing header guard 2020-08-14 14:32:34 -04:00
MerryMage
6bbc53839f Unsafe Optimization: Extend Unsafe_UnfuseFMA to all FMA-related instructions 2020-07-12 12:45:12 +01:00
MerryMage
d05d95c132 Improve documentation of unsafe optimizations 2020-07-12 12:41:11 +01:00
MerryMage
82417da780 emit_x64{_vector}_floating_point: Add unsafe optimizations for RSqrtEstimate and RecipEstimate 2020-07-11 14:05:57 +01:00
MerryMage
761e95eec0 A64: Add unsafe_optimizations option 
* Strength reduce FMA unsafely
 2020-07-06 21:02:30 +01:00
MerryMage
82868034d3 A32/ASIMD: Ensure decoder table is correct 
* Raise a DecoderError instead of ASSERT-ing on a decode error
* Correct ASIMD decode table
* Write a test which verifies every possible ASIMD instruction
 2020-07-05 18:45:42 +01:00
MerryMage
3c742960a9 simd_three_same: Ensure zero in upper for PairedMinMaxOperation 2020-07-04 11:25:36 +01:00
MerryMage
735738c7b6 A32: Implement ASIMD VPMAX, VPMIN (floating-point) 2020-07-04 11:04:10 +01:00
MerryMage
88e74cb2ba A32: Implement ASIMD VPMAX, VPMIN (integer) 2020-07-04 11:04:10 +01:00
MerryMage
d9914b1d51 simd_permute: Implement VectorUnzip with deinterleave lower 2020-07-04 11:04:10 +01:00
MerryMage
f35aaa017c IR: Add VectorDeinterleave{Even,Odd}Lower 2020-07-04 11:04:10 +01:00
MerryMage
df477c46c2 asimd_load_store_structures: VST1 undef correction 2020-07-04 11:04:10 +01:00
MerryMage
4ba1f8b9e7 Add optimization flags to disable specific optimizations 2020-07-04 11:04:10 +01:00
MerryMage
3eed024caf asimd_three_same: Ignore Q=1 for VPADD (floating-point) 2020-07-04 11:04:10 +01:00
MerryMage
896cb46c89 asimd_*: Standardize order of n and m to reduce confusion 2020-07-04 11:04:10 +01:00
MerryMage
4b8a781c04 emit_x64_floating_point: Introduce ICODE 2020-07-04 11:04:10 +01:00
MerryMage
7022281a0b emit_x64_vector_floating_point: Introduce ICODE 2020-07-04 11:04:10 +01:00
Merry
4f967387c0 asimd_three_regs: Reimplement asimd_VMLAL in terms of WideInstruction 2020-06-27 13:06:46 +01:00
Merry
7997404ee7 A32: Implement ASIMD V{ADD,SUB}{W,L} 2020-06-27 12:58:47 +01:00
Merry
868bd00ab5 A32: Rearrange translators for ASIMD Three Registers 
* Separate Three Registers with Different Lengths from Same Lengths decoders
 2020-06-27 11:15:07 +01:00
Merry
b1ff971a92 backend/x64: Temporarily avoid use of DefineValue(Argument&) 
Issues with inappropriate values in upper bits of values
 2020-06-27 10:52:59 +01:00
MerryMage
8a1f106dba decoder/asimd: Correct names of scalar exceptions 2020-06-25 17:40:11 +01:00
MerryMage
495f58eed8 A32: Implement ASIMD VSHLL 2020-06-24 23:47:13 +01:00
MerryMage
ed48a9d7d5 A32: Implement VFPv5 VRINTX 2020-06-24 22:31:58 +01:00
MerryMage
46445d0866 A64: Remove NaN accuracy setting 
Always do accuracte NaN handling.
 2020-06-24 22:26:10 +01:00
Lioncash
b5df8d1ef8 A32: Implement ASIMD VQDMULL (scalar) 2020-06-23 18:19:42 +01:00
Lioncash
20a2bf29fc A32: Implement ASIMD VQRDMULH (scalar) 2020-06-23 18:19:42 +01:00
Lioncash
ab5efe8632 A32: Implement ASIMD VQDMULH (scalar) 2020-06-23 18:19:42 +01:00
MerryMage
2008fda88b emit_x64_floating_point: Correct error in s16 rounding in EmitFPToFixed 2020-06-22 22:54:38 +01:00
MerryMage
3ea49fc6d6 A32: Implement VFPv3 VCT (between floating-point and fixed-point) 2020-06-22 22:08:58 +01:00
MerryMage
48b2ffdde9 A32: Implement ASIMD VQMOVUN, VQMOVN 2020-06-22 20:02:52 +01:00
MerryMage
52b8039367 A32: Implement VFPv5 VRINT{R,Z} 2020-06-22 19:35:32 +01:00
MerryMage
47bc99ad9f asimd_load_store_structures: Fix 2-byte aligned vld1.16 
Previously incorrectly undefined
 2020-06-22 18:46:22 +01:00
Lioncash
dd8d5497da A32: Implement ASIMD VQRDMULH 2020-06-22 17:31:57 +01:00
Lioncash
0b7a111b54 A32: Implement ASIMD VQDMULH 2020-06-22 17:31:57 +01:00
Lioncash
39488e4aad A32: Implement ASIMD VRSHRN 2020-06-21 23:15:43 +01:00
Lioncash
86b0e5c1c5 A32: Implement ASIMD VQSHRN 2020-06-21 23:15:43 +01:00
Lioncash
85222e3e65 A32: Implement ASIMD VQSHRUN 
We can leverage ShiftRightNarrowing() to implement this.
 2020-06-21 23:15:43 +01:00
MerryMage
562a98bcf9 A32: Implement ASIMD VCVT (between floating-point and fixed-point) 2020-06-21 20:23:40 +01:00
MerryMage
6f56043a73 A32: Implement ASIMD VFMA, VFMS 2020-06-21 20:21:53 +01:00