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57 commits

Author SHA1 Message Date
Lioncash
bac945f2d8 A32: Resolve parameter discrepancies discovered via use of the Imm template 2020-04-22 21:02:46 +01:00
Lioncash
4ba2318b2e A32: Replace immediate type aliases with the Imm template 
Replaces type aliases of raw integral types with the more type-safe Imm
template, like how the AArch64 frontend has been using it.

This makes the two frontends more consistent with one another.
 2020-04-22 21:02:46 +01:00
Lioncash
f96036b3f1 A32/barrier: Correct PC assignment within ISB 
The SetRegister() IR function doesn't allow specifying the PC as a
register. This is a discrepancy that slipped through (my bad). Instead,
we can use BranchWritePC(), like how the other similar PC modifying
locations do it.
 2020-04-22 21:02:46 +01:00
Lioncash
8316d231e9 A32: Implement barrier instructions introduced in ARMv7 
Provides basic implementations of the barrier instruction introduced
within ARMv7. Currently these simply mirror the behavior of the AArch64
equivalents.
 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
c0ae23bbb7 A32/translate_thumb: Clean up formatting 
Performs a similar tidying up of the Thumb translator, like what was
done with the regular ARM translator to make it consistent with the rest
of the codebase.

The A32 backend (both Thumb and ARM), will likely see more changes to it
in the near future, so this just acts as a "dusting off".
 2020-04-22 21:02:46 +01:00
Lioncash
fe95575b95 general: Replace unreachable-imitating assertions with UNREACHABLE() 
We can just use the self-documenting assertion for indicating
unreachable paths, instead of manually passing false and providing a
message.
 2020-04-22 21:01:43 +01:00
Lioncash
7c81a58ed3 frontend/ir/ir_emitter: Alter parameters of FPDoubleToSingle() and FPSingleToDouble() to pass along desired rounding mode 
This will be necessary to special-case the non-IEEE Von Neumann rounding
to odd rounding mode.
 2020-04-22 20:58:10 +01:00
Lioncash
05a6ab691d translate_arm/coprocessor: Minor tidying up 2020-04-22 20:58:10 +01:00
Lioncash
1e32a09c03 translate_arm/vfp2: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
e209b31073 translate_arm/synchronization: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
9514e3602e translate_arm/status_register_access: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
c6aa1a708a translate_arm/saturated: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
a72813599a translate_arm/reversal: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
7be56e6b67 translate_arm/parallel: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
3c00a616d6 translate_arm/packing: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
c711188f46 translate_arm/multiply: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
c8dad40d81 translate_arm/misc: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
a7bf5ff77d translate_arm/load_store: Invert conditionals where applicable 2020-04-22 20:58:10 +01:00
Lioncash
f4b19a7393 translate_arm/extension: Invert conditionals where applicable 2020-04-22 20:58:09 +01:00
Lioncash
c2de6ecfd0 translate_arm/exception_generating: Invert conditionals where applicable 2020-04-22 20:58:09 +01:00
Lioncash
d8a8d3b073 translate_arm/data_processing: Invert conditionals where applicable 2020-04-22 20:58:09 +01:00
Lioncash
df5c51ff47 translate_arm/branch: Invert conditionals where applicable 
Allows unindenting code a bit.
 2020-04-22 20:58:09 +01:00
V.Kalyuzhny
764a93bf5a Switch boost::optional to std::optional 2020-04-22 20:57:37 +01:00
MerryMage
90193b0e3d IR: Add fbits argument to FixedToFP-related opcodes 2020-04-22 20:55:06 +01:00
MerryMage
f96c43d422 A32: Implement FastDispatchHint 2020-04-22 20:53:46 +01:00
MerryMage
3415828fb4 IR: Simplify FP{Single,Double}ToFixed{U,S}{32,64} 2020-04-22 20:53:46 +01:00
MerryMage
f0184c4b8d a32/exception_generating: BPKT: Define unpredictable behaviour 
Define unpredictable behaviour to be BKPT executes conditionally
 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
71e137715d status_register_access: Add support for bits 0 and 1 of mask to MSR 2020-04-22 20:46:23 +01:00
MerryMage
ac51c2547d A32/translate/load_store: Correct detection of writeback 2020-04-22 20:46:23 +01:00
MerryMage
d345220251 A32/translate: Add TranslateSingleInstruction 2020-04-22 20:46:23 +01:00
Lioncash
9db6d1e98b translate_arm: Remove unnecessary rotr() function 
We already have RotateRight() in our common code, so we can remove this
function and replace it with it. We can also implement ArmExpandImm_C()
in terms of ArmExpandImm().
 2020-04-22 20:46:20 +01:00
MerryMage
caaf36dfd6 IR: Initial implementation of FP{Double,Single}ToFixed{S,U}{32,64} 
This implementation just falls-back to the software floating point implementation.
 2020-04-22 20:46:19 +01:00
Lioncash
6bcfdba1ad general: Remove unused lambda captures 
Resolves warnings that occur in Xcode 9.3
 2020-04-22 20:46:16 +01:00
MerryMage
575590d18d ir_emitter: Remove overloads 
Having overloads made explicit casting necesssary for these functions when
using types like UAny.
 2020-04-22 20:46:15 +01:00
MerryMage
aac5af50e2 IR: FPCompare{32,64} now return NZCV flags instead of implicitly setting them 2020-04-22 20:46:13 +01:00
MerryMage
429dc24587 IR: Merge U32 and U64 variants of FP instructions 2020-04-22 20:46:13 +01:00
MerryMage
cc0eb18a0b A32: data_processing: Remove !S assertions 2020-04-22 20:46:12 +01:00
MerryMage
865a30eb0d A32: Implement BKPT 2020-04-22 20:46:12 +01:00
MerryMage
f023bbb893 A32: Add ExceptionRaised IR instruction and use it 2020-04-22 20:46:12 +01:00
MerryMage
98ec9c5f90 A32: Change UserCallbacks to be similar to A64's interface 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