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227 commits

Author SHA1 Message Date
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
MerryMage
52ed365158 tests/fp: Add FPRound tests 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
9c4f234417 fuzz_with_unicorn: Avoid self-modifying code 
* Don't immediately terminate when unicorn raises an interrupt
* Detect self-modifying code
 2020-04-22 20:46:19 +01:00
MerryMage
9f8c6f60f5 fuzz_with_unicorn: Configure as per qemu max configuration 2020-04-22 20:46:19 +01:00
Lioncash
64d4e40081 tests/A32/testenv: Add type aliases for register arrays 
Allows avoiding duplicating std::array instance sizes and types.
 2020-04-22 20:46:19 +01:00
Lioncash
a25bacc436 tests/unicorn: Add type aliases to the Unicorn class 
Centralizes all register and vector array definitions to a single set of
aliases, so if these are ever changed, then the rest of the testing code
will follow suit without the need to manually change them.
 2020-04-22 20:46:19 +01:00
MerryMage
8c65d58cb8 tests/A64: Randomize FPCR.RMode for single random instruction 2020-04-22 20:46:18 +01:00
Lioncash
7d52d7bef8 inst_gen: Compress loop into std::any_of in IsInvalidInstruction() 
Same behavior, but using a more self-documenting function.
 2020-04-22 20:46:18 +01:00
Lioncash
d909b0919e fuzz_with_unicorn: Move std::vector outside loop in small random block test case 
Avoids constructing and destructing the vector repeatedly, we can just
alter the contents of the vector on each iteration instead. Also move
out the std::array instances as well, like with the floating-point test
case and the single random instruction test case.

We can also use the regular form of std::generate and avoid hardcoding
size values twice.
 2020-04-22 20:46:18 +01:00
MerryMage
ef57d75b32 fuzz_with_unicorn: Temporarily disable FDIV 2020-04-22 20:46:18 +01:00
MerryMage
ec0a91d6ee tests/A64: Test small blocks 2020-04-22 20:46:18 +01:00
MerryMage
330e6111fa fuzz_with_unicorn: Randomize FPCR.RMode 2020-04-22 20:46:18 +01:00
MerryMage
eb3ca7f65b tests: Add print_info program 
Eases debugging by printing out dynarmic IR for a given A64 instruction, along with
information about what instruction dynarmic thinks it is.

Also prints an LLVM disassembly of the instruction.
 2020-04-22 20:46:18 +01:00
MerryMage
8c90fcf58e IR: Implement FPMulAdd 2020-04-22 20:46:18 +01:00
Lioncash
e64978ed89 fuzz_with_unicorn: Make float_numbers in floating-point tests constexpr 
Given this is just a lookup table, this can be made immutable.
 2020-04-22 20:46:18 +01:00
Lioncash
329137a277 fuzz_with_unicorn: Remove exclusion of FMOV (imm) for FP-16 floats 
Qemu, or rather, Unicorn now supports FP-16, since I backported support
for the recent changes to mainline Qemu relating to FP-16 support.
 2020-04-22 20:46:18 +01:00
Lioncash
0c63e8f396 fuzz_with_unicorn: Silence unused variable warning 
Currently, structured bindings don't provide a way to ignore unused variables.
 2020-04-22 20:46:17 +01:00
Lioncash
cd0b71159a CMake: Make FindUnicorn introduce a unicorn target 
Makes the find module do all the work of properly setting up the target instead of needing to do it in the main CMakeLists file.
 2020-04-22 20:46:16 +01:00
Lioncash
ab58bbddc8 unicorn: Be explicit about casting away const to const-incorrect APIs 
Uses C++ casts which silence relevant warnings in Xcode 9.3

Also migrates relevant Read function equivalents over for consistency.
 2020-04-22 20:46:16 +01:00
MerryMage
c490a45af6 fuzz_with_unicorn: Correct GenRandomInst 
UnallocatedEncoding is now handled in ShouldTestInst
 2020-04-22 20:46:15 +01:00
MerryMage
be57608353 A64: Partially implement FCVTZU (scalar, fixed-point) and FCVTZS (scalar, fixed-point) 2020-04-22 20:46:15 +01:00