'size' of a vector is unsigned, and I accidentially compared
it to an int through GTEST. I switched it to unsigned, which
is the template parameter type anyway.
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This is a support change for a CFE change (https://reviews.llvm.org/D42978)
that allows march and -target-cpu to list the valid targets in a note. The changes
are limited to the ARM/AArch64, since this is the only target that gets the CPU
list from LLVM.
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This change adds the missing armv8l variant as an alias of armv8 architecture.
The issue was observed with several regressions in validation on armv8l
hardware (for instance ExecutionEngine/frem.ll failed due to lack of neon fpu).
Tested with regression testsuite passed without regression on ARM and x86_64.
Patch by Yvan Roux.
Reviewers: rengolin, rogfer01, olista01, fhahn
Reviewed By: fhahn
Differential Revision: https://reviews.llvm.org/D41859
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Summary:
This fixes a crash when invalid -march options like `armv` are provided.
Based on a patch by Will Lovett.
Reviewers: rengolin, samparker, mcrosier
Reviewed By: samparker
Subscribers: aemerson, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D41429
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Summary:
Using c++11 enum classes ensures that only valid enum values are used
for ArchKind, ProfileKind, VersionKind and ISAKind. This removes the
need for checks that the provided values map to a proper enum value,
allows us to get rid of AK_LAST and prevents comparing values from
different enums. It also removes a bunch of static_cast
from unsigned to enum values and vice versa, at the cost of introducing
static casts to access AArch64ARCHNames and ARMARCHNames by ArchKind.
FPUKind and ArchExtKind are the only remaining old-style enum in
TargetParser.h. I think it's beneficial to keep ArchExtKind as old-style
enum, but FPUKind can be converted too, but this patch is quite big, so
could do this in a follow-up patch. I could also split this patch up a
bit, if people would prefer that.
Reviewers: rengolin, javed.absar, chandlerc, rovka
Reviewed By: rovka
Subscribers: aemerson, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D35882
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clang-format (https://reviews.llvm.org/D33932) to keep primary headers
at the top and handle new utility headers like 'gmock' consistently with
other utility headers.
No other change was made. I did no manual edits, all of this is
clang-format.
This should allow other changes to have more clear and focused diffs,
and is especially motivated by moving some headers into more focused
libraries.
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Otherwise, each CPU has to manually specify the extensions it supports,
even though they have to be a superset of the base arch extensions.
And when there's redundant data there's stale data, so most of the CPUs
lie about the features they support (almost none lists AEK_FP).
Instead, do the saner thing: add the optional extensions on top of the
base extensions provided by the architecture.
The ARM TargetParser has the same behavior.
Differential Revision: https://reviews.llvm.org/D32780
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The hardware div feature refers only to Thumb, but because of its name
it is tempting to use it to check for hardware division in general,
which may cause problems in ARM mode. See https://reviews.llvm.org/D32005.
This patch adds "Thumb" to its name, to make its scope clear. One
notable place where I haven't made the change is in the feature flag
(used with -mattr), which is still hwdiv. Changing it would also require
changes in a lot of tests, including clang tests, and it doesn't seem
like it's worth the effort.
Differential Revision: https://reviews.llvm.org/D32160
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Gcc supports target armv7ve which is armv7-a with virtualization
extensions. This change adds support for this in llvm for gcc
compatibility.
Also remove redundant FeatureHWDiv, FeatureHWDivARM for a few models as
this is specified automatically by FeatureVirtualization.
Patch by Manoj Gupta.
Differential Revision: https://reviews.llvm.org/D29472
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Add both cores to the target parser and TableGen. Test that eabi
attributes are set correctly for both cores. Additionally, test the
absence and presence of MOVT in Cortex-M23 and Cortex-M33, respectively.
Committed on behalf of Sanne Wouda.
Reviewers : rengolin, olista01.
Differential Revision: https://reviews.llvm.org/D29073
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This patch adds Cortex-R52, the new ARM real-time processor, to LLVM.
Cortex-R52 implements the ARMv8-R architecture.
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String pooling is not guaranteed by the standard, so if
you're comparing two different string literals for equality,
you have to use strcmp.
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These loop from 0 to AEK_XSCALE, which is currently defined as 0x80000000, and
thus the tests loop over the entire int range, which is unreasonable
and also too slow in debug builds.
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Add unittest to {ARM | AArch64}TargetParser,and by the way correct problems as below:
1.Correct a incorrect indexing problem in AArch64TargetParser. The architecture enumeration
is shared across ARM and AArch64 in original implementation.But In the code,I just used the
index which was offset by the ARM, and this would index into the array incorrectly. To make
AArch64 has its own arch enum,or we will do a lot of slowly iterating.
2.Correct a spelling error. The parameter of llvm::AArch64::getArchExtName.
3.Correct a writing mistake, in llvm::ARM::parseArchISA.
Differential Revision: https://reviews.llvm.org/D21785
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The architecture enumeration is shared across ARM and AArch64. However, the
data is not. The code incorrectly would index into the array using the
architecture index which was offset by the ARMv7 architecture enumeration. We
do not have a marker for indicating the architectural family to which the
enumeration belongs so we cannot be clever about offsetting the index (at least
it is not immediately apparent to me). Instead, fall back to the tried-and-true
method of slowly iterating the array (its not a large array, so the impact of
this is not too high).
Because of the incorrect indexing, if we were lucky, we would crash, but usually
we would return an invalid StringRef. We did not have any tests for the AArch64
target parser previously;. Extend the previous tests I had added for ARM to
cover AArch64 for ensuring that we return expected StringRefs.
Take the opportunity to change some iterator types to references.
This work is needed to support parsing `.arch name` directives in the AArch64
target asm parser.
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The ARM TargetParser would construct invalid StringRefs. This would cause
asserts to trigger. Add some tests in LLVM to ensure that we dont regress on
this in the future. Although there is a test for this in clang, this ensures
that the changes would get caught in the same repository.
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