Unscaled memory operations were missing disassembly output for vector registers,
so add support and rewrite as a macro.
Bug:
Change-Id: I6f388952dbe5a3b9f8a9b9c46e69ef63dc6655ba
Reviewed-on: https://chromium-review.googlesource.com/576177
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Martyn Capewell <martyn.capewell@arm.com>
Cr-Commit-Position: refs/heads/master@{#46785}
The "test-disasm-arm64/DISASM_debug" test would fail on hardware because we
expected a "hlt" instruction instead of "brk". The former is specific to running
inside the simulator.
Bug:
Change-Id: I7a5a3d4c1a93d03bbf4c934037c565d27379c2b5
Reviewed-on: https://chromium-review.googlesource.com/570442
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Cr-Commit-Position: refs/heads/master@{#46663}
Instead of allocating and embedding certain heap numbers into the code
during code assembly, emit dummies but record the allocation requests.
Later then, in Assembler::GetCode, allocate the heap numbers and patch
the code by replacing the dummies with the actual objects. The
RelocInfos for the embedded objects are already recorded correctly when
emitting the dummies.
R=jarin@chromium.org
BUG=v8:6048
Review-Url: https://codereview.chromium.org/2900683002
Cr-Commit-Position: refs/heads/master@{#45635}
This reverts commit c5aad5f284
The CL was reverted due to missing Chromium dependencies.
This commit removes the simulator trace-based tests, and the associated header file dependencies, previously pulled in by DEPS. The NEON support now has only hand-written tests, in test-assembler-arm64.cc. The remaining tests can be added in a later patch.
BUG=chromium:718439
Original issue's description:
> Reland "ARM64: Add NEON support"
>
> This reverts commit cc047635ff.
> The CL was reverted due to a missing DEPS mirror.
>
> Original issue's description:
> > ARM64: Add NEON support
> >
> > Add assembler, disassembler and simulator support for NEON in the ARM64 backend.
> >
> > BUG=
> >
> > Review-Url: https://codereview.chromium.org/2622643005
> > Cr-Commit-Position: refs/heads/master@{#44306}
>
> BUG=
>
> Review-Url: https://codereview.chromium.org/2812573003
> Cr-Commit-Position: refs/heads/master@{#44652}
Review-Url: https://codereview.chromium.org/2896303003
Cr-Commit-Position: refs/heads/master@{#45633}
This reverts commit cc047635ff.
The CL was reverted due to a missing DEPS mirror.
Original issue's description:
> ARM64: Add NEON support
>
> Add assembler, disassembler and simulator support for NEON in the ARM64 backend.
>
> BUG=
>
> Review-Url: https://codereview.chromium.org/2622643005
> Cr-Commit-Position: refs/heads/master@{#44306}
BUG=
Review-Url: https://codereview.chromium.org/2812573003
Cr-Commit-Position: refs/heads/master@{#44652}
This reverts commit 4506382dce.
We don't allow DEPS'ing things outside googlesource. This requires a
mirror. Also .gitignore entry is missing.
NOTRY=true
NOTREECHECKS=true
NOPRESUBMIT=true
TBR=bmeurer@chromium.org
Review-Url: https://codereview.chromium.org/2785183005
Cr-Commit-Position: refs/heads/master@{#44307}
Add assembler, disassembler and simulator support for NEON in the ARM64 backend.
BUG=
Review-Url: https://codereview.chromium.org/2622643005
Cr-Commit-Position: refs/heads/master@{#44306}
Implement ASSEMBLE_ATOMIC_LOAD/STORE_INTEGER using acquire/release instructions,
to match the existing ASSEMBLE_ATOMIC_EXCHANGE_INTEGER macro.
BUG=v8:6097
Review-Url: https://codereview.chromium.org/2760963002
Cr-Commit-Position: refs/heads/master@{#44184}
The test expectations should fail consistently in both release and debug
builds. DCHECK is only meant for debug-only checks in production code.
R=yangguo@chromium.org
Review URL: https://codereview.chromium.org/1506753002
Cr-Commit-Position: refs/heads/master@{#32639}
While working on frame elision, I wanted to disassemble codegen in the
debugger, as the code generation is progressing. I discovered we had a
"Print" member on the x64 assembler, without any implementation. I
pulled it up to AssemblerBase and gave it an implementation that
should work for the other architectures.
Also checked that ia32, x87, arm and arm64 assemblers didn't have
such an implementation - free Print.
Arm64 has a naming conflict with the v8::internal::Disassembler. I
renamed the arm64 type with a more specific name.
Opportunistically fixed a bug in the name converter. This debug-time
printer doesn't provide a Code object, which should be OK with the
name converters, by the looks of other APIs there. All this means is that
when using the Print() API, we just get addresses dumped without any
context (like what this address may be - a stub maybe, etc). This seems
fine for the scenario.
There may be other places that assume a Code object. Since this is
a diagnostics-only scenario, for codegen developers, I feel it is
reasonable to fix such other places as we find them.
Review URL: https://codereview.chromium.org/1431933003
Cr-Commit-Position: refs/heads/master@{#31869}
The operations were available on ARM64 and x86-32 but were unused.
It has been conjectured that nontemporals can be used for rowhammer-like bitflips more easily than regular load/store operations. It is therefore desirable to avoid generating these instructions in the future.
R= titzer, jochen, jln, Mark Seaborn, ruiq
Review URL: https://codereview.chromium.org/1276113002
Cr-Commit-Position: refs/heads/master@{#30139}
Alas, this involved quite a bit of copy-n-paste between the
architectures, but this is caused by the very convoluted
relationships, lifetimes and distribution of responsibilities. This
should really be cleaned up by moving code around and using STL maps,
but that's not really a priority right now.
Bonus: Fixed leaks in the ARM64 disassembler tests.
Review URL: https://codereview.chromium.org/1132943007
Cr-Commit-Position: refs/heads/master@{#28496}
