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449 commits

Author SHA1 Message Date
Lioncash
9d2570470e thumb32: Implement SHADD8/UHADD8 2021-02-01 17:50:46 -05:00
Lioncash
afad76078d thumb32: Implement SHSUB16/UHSUB16 2021-02-01 17:50:46 -05:00
Lioncash
51b7c32d02 thumb32: Implement SHSAX/UHSAX 2021-02-01 17:50:46 -05:00
Lioncash
f0a219fcd0 thumb32: Implement SHASX/UHASX 2021-02-01 17:50:46 -05:00
Lioncash
94f8efbb03 thumb32: Implement SHADD16/UHADD16 2021-02-01 17:50:46 -05:00
Lioncash
aa49b0db89 thumb32: Implement QSUB8/UQSUB8 2021-02-01 17:50:46 -05:00
Lioncash
874ab6a7b6 thumb32: Implement QADD8/UQADD8 2021-02-01 17:50:46 -05:00
Lioncash
d923fb24c6 thumb32: Implement QSUB16/UQSUB16 2021-02-01 17:50:46 -05:00
Lioncash
416fe26df0 thumb32: Implement QSAX/UQSAX 2021-02-01 17:50:14 -05:00
Lioncash
ad7c8bd042 thumb32: Implement QASX/UQASX 2021-02-01 17:31:30 -05:00
Lioncash
f52b8f924c thumb32: Implement QADD16/UQADD16 2021-02-01 17:31:30 -05:00
Lioncash
6f593da41b thumb32: Implement SSUB8/USUB8 2021-02-01 17:31:27 -05:00
Lioncash
271354ee95 thumb32: Implement SADD8/UADD8 2021-02-01 16:44:11 -05:00
Lioncash
8f42fd5c0e thumb32: Implement SSUB16/USUB16 2021-02-01 16:41:02 -05:00
Lioncash
0e28c63456 thumb32: Implement SSAX/USAX 2021-02-01 16:36:18 -05:00
Lioncash
21e404d3ab thumb32: Implement SASX/UASX 2021-02-01 16:31:25 -05:00
Lioncash
d529417875 thumb32: Implement SADD16/UADD16 2021-02-01 16:19:33 -05:00
Lioncash
36fc596a51 thumb32: Implement QADD 2021-02-01 15:44:09 -05:00
Lioncash
cd6e4c7afd thumb32: Implement QSUB 2021-02-01 15:42:14 -05:00
Lioncash
65365ad2a3 thumb32: Implement QDADD 2021-02-01 15:39:39 -05:00
Lioncash
c60cf921ee thumb32: Implement REV 2021-02-01 15:30:40 -05:00
Lioncash
0304dc7ce4 thumb32: Implement REV16 2021-02-01 15:27:31 -05:00
Lioncash
cee31c5274 thumb32: Implement RBIT 2021-02-01 15:20:24 -05:00
Lioncash
e2bc7eeb93 thumb32: Implement REVSH 2021-02-01 15:16:53 -05:00
Lioncash
95dabcf48e fuzz_thumb: Allow running only Thumb-16 tests 2021-02-01 15:04:29 -05:00
Lioncash
1ad99bb9b5 thumb32: Implement SEL 2021-02-01 15:01:21 -05:00
Lioncash
8d53048750 thumb32: Implement CLZ 
Also fleshes out the generator to allow for generating thumb32
instructions as well.
 2021-02-01 14:54:04 -05:00
MerryMage
80adb289d0 print_info: Use std::nullopt instead of {} 2020-09-22 18:40:00 +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
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
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
fa145ae401 a32_unicorn: Print code on unicorn error 2020-06-21 16:23:01 +01:00
MerryMage
69a1d58a2b A32: Implement ASIMD VMULL 2020-06-21 10:00:24 +01:00
MerryMage
70d071e6ab fuzz_arm: Test large random blocks 2020-06-21 00:41:54 +01:00
MerryMage
214c1d6002 fuzz_arm: Test testable parts of ASIMD VRECPE and VRSQRTE 2020-06-20 15:17:39 +01:00
MerryMage
92cb4a5a34 A32: Implement ASIMD VRSQRTE 2020-06-20 15:13:22 +01:00
MerryMage
8912496206 fuzz_arm: Unicorn has incorrect VRSQRTS implementation 2020-06-20 15:07:50 +01:00
MerryMage
6f59c2cd8e A32: Implement ASIMD VRECPE 2020-06-20 15:07:06 +01:00
MerryMage
d3dc50d718 A32: Implement ASIMD VRSQRTS 2020-06-20 15:06:06 +01:00
MerryMage
f58e247ef3 A32: Implement ASIMD VPADD (floating-point) 2020-06-20 14:25:04 +01:00
Lioncash
ed6ca58058 A32: Implement ASIMD VCEQ, VCGE, VCGT, VCLE, VCLT with zero 
Fairly self-explanatory, we can leverage the existing IR functions for
the purpose of these instructions.

In the integer case, we can just insert function pointers
into an array and index it, given all comparison primitives exist
already for the integer side of things.
 2020-06-20 00:50:40 +01:00
MerryMage
7402d38675 test_arm_instructions: Add vclt.f32 (zero) test 2020-06-18 17:59:44 +01:00
MerryMage
9f3277540a Merge A32 and A64 exclusive monitors 2020-06-17 10:33:09 +01:00
Lioncash
9b06a938a9 fuzz_arm: Ignore endian bit 
A recent change from Qemu (268b1b3dfbb92a9348406f728a33f39e3d8dcd8)
allows user space modification of the E bit.
 2020-06-16 01:53:21 +01:00
MerryMage
2796a85096 interface/a32: Remove descriptor argument from Disassemble 2020-06-12 15:27:42 +01:00
MerryMage
e953f67201 emit_x64_packed: PackedAbsDiffSumS8: Fix case when bits above the lower 32 bits are not zero 2020-06-12 15:24:09 +01:00
MerryMage
d0d50c4824 print_info: Use VFP and ASIMD decoders to get dynarmic name for instruction 2020-05-17 22:48:14 +01:00
MerryMage
d0075f4ea6 print_info: Use LLVM to disassemble A32 2020-05-17 22:30:46 +01:00
MerryMage
1a0bc5ba91 A32/ASIMD: ARMv8: Implement VLD{1-4} (multiple) 2020-05-16 14:11:23 +01:00
MerryMage
e7f1a0d408 A32: ARMv8: Implement LDA{,EX}{,B,D,H} and STL{,EX}{,B,D,H} 2020-05-15 21:07:36 +01:00
Lioncash
8808b8c479 cpu_info: Make test non-allocating 
Same behavior, but makes it non-allocating by using a constexpr
std::array instead of a std::vector.
 2020-05-12 09:52:55 +01:00
MerryMage
7f77a04900 fuzz_arm: Do not test vfp_VMRS 
This may emit a vmrs *, fpscr instruction.
This results in fuzz failures due to slight inaccuracies in fpscr emulation.
 2020-05-10 14:47:21 +01:00
MerryMage
6df660c889 fuzz_arm: Ensure all instructions are fuzzed 
* VFP instructions were not getting fuzzed due to matching coprocessor instructions (as invalid instructions)
* Fix VPOP writeback for doubles when (imm8 & 1) == 1
* Do not accidentally fuzz unimplemented unconditional instructions
 2020-05-10 13:57:39 +01:00
Fernando Sahmkow
97b9d3e058 Exclusive Monitor: Rework exclusive monitor interface. 2020-05-03 01:40:37 +01:00
MerryMage
d86a6f2211 print_info: Print IR for A32 instructions 2020-04-29 15:33:56 +01:00
MerryMage
8498ac34d5 fuzz_with_unicorn: Print IR 2020-04-29 15:33:38 +01:00
MerryMage
24229ab899 constant_propagation_pass: Don't fold add if we nee flags 
Results in incorrect flags
 2020-04-29 15:33:12 +01:00
MerryMage
94d0d33e02 Fix single stepping for certain instructions 
Several issues:
1. Several terminal instructions did not stop at the end of a single-step block
2. x64 backend for the A32 frontend sometimes polluted upper_location_descriptor with the single-stepping flag

We also introduce the enable_optimizations parameter to the A32 frontend.
 2020-04-24 11:44:38 +01:00
MerryMage
0d041696f5 tests/a64: Reminder about hidden infinite loops 2020-04-23 18:11:45 +01:00
MerryMage
a8a712c801 Relicense to 0BSD 2020-04-23 15:45:57 +01:00
MerryMage
976edaf2d2 print_info: Add optimized IR output for A64 2020-04-22 21:06:18 +01:00
MerryMage
7c917f1c12 CMakeLists: Add DYNARMIC_FRONTENDS option 
Allows library user to select which frontends to enable
 2020-04-22 21:06:18 +01:00
MerryMage
668a43f815 A32: Detect unpredictable LDM/STM instructions 2020-04-22 21:06:18 +01:00
MerryMage
5ea3fe58c6 fuzz_with_unicorn: Add large random block testing 2020-04-22 21:06:18 +01:00
MerryMage
81fcb4e537 mp: Migrate to shared version of mp library 2020-04-22 21:06:17 +01:00
MerryMage
5d93e6e580 print_info: Add -exec parameter to test execution 2020-04-22 21:04:24 +01:00
MerryMage
a59c335b05 A64: Add options for detecting misaligned loads and stores 2020-04-22 21:04:23 +01:00
MerryMage
cb971d3280 test_arm_instruction: Revive some old tests 2020-04-22 21:04:23 +01:00
MerryMage
39bd2c034d constant_propagation_pass: Handle GetCarryFromOp for MostSignificantWord 2020-04-22 21:04:23 +01:00
MerryMage
1aa7b62e92 A32/Thumb: Correct behaviour for UDF and Unpredictable instructions 
Raise an exception instead of calling the interpreter and ASSERT-ing respectively.
 2020-04-22 21:04:23 +01:00
MerryMage
c7d20f3f2f fuzz_arm: Test MSR and MRS instructions against unicorn 
* Add always_little_endian option to mach unicorn behavior.
* Correct CPSR.Mode = Usermode
 2020-04-22 21:04:23 +01:00
MerryMage
39ab7cb643 print_info: Add support for printing A32 instructions 2020-04-22 21:04:23 +01:00
Lioncash
b50114ae70 A64/fuzz_with_unicorn: Avoid repeated unnecessary library calls in RunTestInstance() 
Repeatedly retrieving the vectors and registers from unicorn involves
copying the entire set of registers and vectors by value instead of
simply retrieving a reference to them. Instead, we can just do the work
once and print out the values.

While we're at it, also make our bracing consistent.
 2020-04-22 21:04:22 +01:00
MerryMage
3513ed1c60 CMakeLists: Define FMT_USE_USER_DEFINED_LITERALS=0 
This disable a fmtlib feature that depends on a non-standard feature
for its implementation.
 2020-04-22 21:04:22 +01:00
Merry
fd6222f0a1 Merge pull request #500 from lioncash/cbz 
A32: Implement Thumb-1's CBZ/CBNZ instructions
 2020-04-22 21:04:21 +01:00
MerryMage
0495b2c779 tests: Fix Windows build when DYNARMIC_TESTS_USE_UNICORN is enabled 2020-04-22 21:04:21 +01:00
Lioncash
03e6899fd7 A32: Implement Thumb-1's CBZ/CBNZ instructions 
Introduced in ARMv6T2, this allows for short forward branches.
 2020-04-22 21:02:47 +01:00
Lioncash
0fa0bca22a A32: Handle different variants of PLD 2020-04-22 21:02:47 +01:00
Lioncash
aba4d8a59f dynarmic_tests: Use variable template equivalents of type traits where applicable 
Same thing, same readability, less writing.
 2020-04-22 21:02:47 +01:00
MerryMage
99b284b1b5 fuzz_thumb: Disable fuzzing longer blocks 2020-04-22 21:02:47 +01:00
Merry
30d28029a8 Merge pull request #492 from lioncash/vfp 
A32: Rename vfp2-related files to vfp
 2020-04-22 21:02:47 +01:00
Lioncash
97277c598b A32: Rename vfp2-related files to vfp 
Now that we fuzz against Unicorn, we aren't just restricted to VFPv2.
VFPv3 and VFPv4 facilities can now be implemented. This renames
constructs mentioning VFPv2 to just refer to VFP.
 2020-04-22 21:02:46 +01:00
Lioncash
c098ade2e7 dynarmic_tests: Resolve CPSR discrepancies in tests 
Unicorn internally checks if the LSB is set in order to determine
whether or not it should assume thumb mode internally. Clearing this
ourselves will always result in the incorrect PSR between runs.
 2020-04-22 21:02:46 +01:00
Lioncash
0b15fc9755 a32/fuzz_arm: Use same fuzzing mechanism as AArch64 
Introduces the same fuzzing mechanism used by the AArch64 code for
fuzzing instruction implementations, getting rid of the need to
manually specify the instruction generator sequences--replacing it with
an instruction blacklist instead.

Much of this change originates from a previous patch made by Mary. This
just makes it interact nicely with the alterations made to get Unicorn
to cooperate properly.
 2020-04-22 21:02:46 +01:00
Lioncash
7fc3bd689d A32: Implement ARM-mode MLS 2020-04-22 21:02:46 +01:00
Lioncash
8b338b7def A32: Implement ARM-mode MOVT 2020-04-22 21:02:46 +01:00
Lioncash
877fa0f8c3 A32: Implement ARM-mode SBFX 2020-04-22 21:02:46 +01:00
Lioncash
47218ee65d A32: Implement ARM-mode UBFX 2020-04-22 21:02:46 +01:00
Lioncash
2970b34e3c A32: Implement ARM-mode BFI 2020-04-22 21:02:46 +01:00
Lioncash
fab3a59e05 A32: Implement ARM-mode BFC 2020-04-22 21:02:46 +01:00
Lioncash
7305d13221 A32: Implement ARM-mode RBIT 2020-04-22 21:02:46 +01:00
Lioncash
b2f7a0e7ba A32: Implement ARM-mode SDIV/UDIV 
Now that we have Unicorn in place, we can freely implement instructions
introduced in newer versions of the ARM architecture.
 2020-04-22 21:02:46 +01:00
Lioncash
2acfee66ed a32_unicorn: Silence PC value assertions 
Ensure the PC is properly masked off after a run.
 2020-04-22 21:02:46 +01:00
Lioncash
57be160524 fuzz_arm: Tidy up existing tests 
Now that we utilize C++17, we can use std::array's deduction guides to
avoid the need to explicitly specify the template arguments.

While we're at it, also use const where applicable.
 2020-04-22 21:02:46 +01:00
Lioncash
4f2b60c8e7 dynarmic_tests: Remove skyeye interpreter 
This is quite a messy interpreter and would require a large amount of
work to bring it up to speed to begin implementing newer portions of the
AArch32 instruction set into Dynarmic.

Given we already have fuzzing with Unicorn set up for
AArch64/AArch32, we can get rid of this and unify our testing
infrastructure.

This will also make building the tests much faster, given a whole
interpreter doesn't need to be built anymore as part of the project.
 2020-04-22 21:02:45 +01:00
Lioncash
d29582a0e1 A32: Fuzz instructions using unicorn 
While skyeye was OK previously, now that we have an AArch64 backend,
this also means that we eventually have to support the AArch32
counterpart to it. Unfortunately, SkyEye is only compatible up to
ARMv6K, so we woud need to do a lot of work to bring the interpreter up
to speed with things to even begin testing new instruction
implementations.

For the AArch64 side of things, we already use Unicorn, so we can toss
out SkyEye in favor of it instead.
 2020-04-22 21:02:45 +01:00
Lioncash
9faed40a34 tests/a32/testenv: Make A32TestEnv's code_mem member a std::vector 
Makes the data member consistent with the A64 test environment.
 2020-04-22 20:58:10 +01:00
Lioncash
2e2176e1c5 tests/unicorn_emu: Add getters and setters for PC/SP 
Makes the interface consistent with the A64Unicorn class.
 2020-04-22 20:58:09 +01:00
Lioncash
da5dd3ff66 tests/A32/fuzz_arm: Remove unused Unix-specific include 
This was introduced within 6f6f60c61b,
however, the relevant code that it was used with has since been removed,
making the include unnecessary.
 2020-04-22 20:57:38 +01:00
Merry
07759af694 Merge pull request #422 from lioncash/truncate 
a32_unicorn: Silence a truncation warning within UnmappedMemoryHook()
 2020-04-22 20:57:38 +01:00
Lioncash
eadc07e269 a32_unicorn: Silence a truncation warning within UnmappedMemoryHook() 
MemoryRead8() takes a u32, but we were passing the result of a

u32 + size_t operation, which is 64-bit on 64-bit platforms. This
results in a truncation warning
 2020-04-22 20:57:38 +01:00
Lioncash
586dffb356 tests/.../vfp_helper: Amend use of the comma operator 
Makes the lines of code slightly nicer to read
 2020-04-22 20:57:38 +01:00
Merry
ad14a33672 Merge pull request #417 from lioncash/swap 
common: Move byte swapping functions to bit_utils.h
 2020-04-22 20:57:37 +01:00
Merry
a3d640b0c1 Merge pull request #416 from lioncash/space 
dynarmic_tests: Remove inconsistent spacing
 2020-04-22 20:57:37 +01:00
Lioncash
7139942976 common: Move byte swapping functions to bit_utils.h 
These are quite general functions, so they can just be moved into common
instead of recreating a namespace here.
 2020-04-22 20:57:37 +01:00
Lioncash
2ce7e579d2 dynarmic_tests: Remove inconsistent spacing 
Makes the changed code more consistent with the surrounding code.
 2020-04-22 20:57:37 +01:00
Lioncash
2e62cfc89d fuzz_util: Simplify result return in InstructionGenerator's Generate() function 
This can just be a simple direct return without a separated declaration
and assignment.
 2020-04-22 20:57:37 +01:00
V.Kalyuzhny
764a93bf5a Switch boost::optional to std::optional 2020-04-22 20:57:37 +01:00
MerryMage
06b31448aa emit_x64_vector: Changes to VectorSignedSaturatedDoublingMultiply 
* Return both the upper and lower parts of the multiply if required
* SSE2 does not support the pmuldq instruction, do sign correction to an unsigned result instead
* Improve port utilisation where possible (punpck instructions were a bottleneck)
 2020-04-22 20:55:06 +01:00
MerryMage
3caeb62ef1 emit_x64_floating_point: Hardware FMA implementation of FPRSqrtStepFused 2020-04-22 20:55:06 +01:00
MerryMage
b8daa4feac simd_two_register_misc: FNEG (vector) with Q == 0 had dirty upper 2020-04-22 20:55:05 +01:00
Lioncash
134bb02e19 ir/value: Replace includes with forward declarations 
enum classes are still considered complete types when forward declared
(as the compiler knows the exact size of the type from the declaration
alone). The only difference in this case being that the members of the
enum class aren't visible. Given we don't use the members within this
header in any way, we can simply forward declare them here and remove
the inclusions.
 2020-04-22 20:55:05 +01:00
MerryMage
9b65100660 A64: Implement FastDispatchHint 2020-04-22 20:53:46 +01:00
MerryMage
f96c43d422 A32: Implement FastDispatchHint 2020-04-22 20:53:46 +01:00
MerryMage
a12854857b A32: Add define_unpredictable_behaviour option 2020-04-22 20:53:46 +01:00
MerryMage
f73104633b a32_emit_x64: Fix incorrect BMI2 implementation for SetCpsr 
* The MSB for each byte in cpsr_ge were not being appropriately set.
* We also expand test coverage to test this case.
* We fix the disassembly of the MSR (imm) and MSR (reg) instructions as well.
 2020-04-22 20:53:46 +01:00
MerryMage
656ceff225 emit_x64_floating_point: Fix smallest normal check in EmitFPMulAdd 2020-04-22 20:53:45 +01:00
MerryMage
e60d6c0d20 fp/info: Incorrect point_position in FPValue 2020-04-22 20:53:45 +01:00
MerryMage
d1d6f4feb5 system: Implement MRS CNTFRQ_EL0 2020-04-22 20:53:45 +01:00
MerryMage
f91a9f18cd A32/testenv: Add missing headers 2020-04-22 20:53:45 +01:00
MerryMage
c96c534615 fuzz_with_unicorn: Split utility functions into fuzz_util 2020-04-22 20:46:23 +01:00
MerryMage
35c758f211 tests: Refactor unicorn_emu to allow for A32 unicorn 2020-04-22 20:46:23 +01:00
MerryMage
cd12a1862e fuzz_with_unicorn: Remove FCVT_float from ignore list 2020-04-22 20:46:23 +01:00
MerryMage
a8b938ef32 fuzz_with_unicorn: Randomize SP 2020-04-22 20:46:23 +01:00
MerryMage
9a7d75be3b fuzz_with_unicorn: Randomize PC 2020-04-22 20:46:23 +01:00
MerryMage
ff84740ea6 testenv: Make code_mem mobile 2020-04-22 20:46:23 +01:00
MerryMage
63eb4e0f31 fuzz_with_unicorn: Randomize FPCR.AHP and FPCR.FZ16 2020-04-22 20:46:23 +01:00
MerryMage
bb93353f94 emit_x64_vector_floating_point: Correct FMA in FTZ mode 
x64 rounds before flushing to zero
AArch64 rounds after flushing to zero

This difference of behaviour is noticable if something would round to a smallest normalized number
 2020-04-22 20:46:23 +01:00
MerryMage
822fd4a875 backend_x64: Fix FPVectorMulAdd and FPMulAdd NaN handling with denormals 
Denormals should be treated as zero in NaN handler
 2020-04-22 20:46:23 +01:00
MerryMage
381821eda3 a32/fuzz_arm: Disable vfp tests 2020-04-22 20:46:23 +01:00
MerryMage
868ec44f30 fuzz_with_unicorn: Randomize FPCR.FZ 2020-04-22 20:46:23 +01:00
MerryMage
2b538b471f fuzz_with_unicorn: Extract RandomFpcr function 
Deduplicate randomization of fpcr and make use of FP::FPCR
 2020-04-22 20:46:23 +01:00
MerryMage
f2344f4c87 fuzz_with_unicorn: Randomize FPCR.DN 2020-04-22 20:46:23 +01:00
MerryMage
7a673a8a43 fp: Change FPUnpacked to a normalized representation 
Having a known position for the highest set bit makes writing algorithms easier
 2020-04-22 20:46:22 +01:00
MerryMage
680395a803 fuzz_with_unicorn: Disable testing of FDIV 2020-04-22 20:46:22 +01:00
MerryMage
f020dbe4ed A64: Implement SQXTUN 2020-04-22 20:46:22 +01:00
MerryMage
a04553eb91 tests: Print cpu info 2020-04-22 20:46:21 +01:00
MerryMage
76b07d6646 u128: StickyLogicalShiftRight requires special-casing for amount == 64 
In this case (128 - amount) == 64, and this invokes undefined behaviour
 2020-04-22 20:46:21 +01:00
MerryMage
0ce11b7b15 emit_x64_floating_point: Implement accurate fallback for FPMulAdd{32,64} 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
55eaa16615 a64_emit_x64: Ensure host has updated ticks in EmitA64GetCNTPCT 
Discovered by @Subv.
Fixes incomplete fix begun in 5a91c94dca47c9702dee20fbd5ae1f4c07eef9df.
That fix fails to take into account that LinkBlock doesn't update ticks until there
are no remaining ticks to be executed.

Test added to confirm fix.
 2020-04-22 20:46:21 +01:00
MerryMage
edd795e991 a64_emit_x64: Fix stack misalignment on Windows for 128-bit exclusive writes 
Discovered by @Subv.
Includes a test to ensure this codepath is exercised on Windows.
 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
Lioncash
5b39e8dcf8 tests: Silence warnings in skyeye code 
Gets rid of warning noise when compiling the tests.
 2020-04-22 20:46:21 +01:00
MerryMage
4525209bab tests: Add FABD test 2020-04-22 20:46:21 +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