For ori, they are unsigned, for addi, signed. Create a new target
expression type to handle this and evaluate Fixups accordingly.
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since the operands are actually used on those cores. Provide aliases for
the only documented case in the newer Power ISA speec.
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Summary:
These directives are used to toggle whether the assembler accepts MSA-specific instructions or not.
Patch by Matheus Almeida and Toma Tabacu.
Reviewers: dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D4783
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Fixes PR18916. I don't think we need to implement support for either
hybrid syntax. Nobody should write Intel assembly with '%' prefixes on
their registers or AT&T assembly without them.
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This is similar to what I did with the two-source permutation recently. (It's
almost too similar so that we should consider generating the masking variants
with some tablegen help.)
Both encoding and intrinsic tests are added as well. For the latter, this is
what the IR that the intrinsic test on the clang side generates.
Part of <rdar://problem/17688758>
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Duplicate the vararg tests for linux and add a tests which mixed
vararg arguments with darwin positional parameters.
Patch by: Janne Grunau <j@jannau.net>
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Summary:
This patch also fixes an issue with the way the Mips assembler enables/disables architecture
features. Before this patch, the assembler never disabled feature bits. For example,
.set mips64
.set mips32r2
would result in the 'OR' of mips64 with mips32r2 feature bits which isn't right.
Unfortunately this isn't trivial to fix because there's not an easy way to clear
feature bits as the algorithm in MCSubtargetInfo (ToggleFeature) only clears the bits
that imply the feature being cleared and not the implied bits by the feature (there's a
better explanation to the code I added).
Patch by Matheus Almeida and updated by Toma Tabacu
Reviewers: vmedic, matheusalmeida, dsanders
Reviewed By: dsanders
Subscribers: tomatabacu, llvm-commits
Differential Revision: http://reviews.llvm.org/D4123
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when let can do the same thing. Keep the 64bit variants as codegen-only.
While they have a different register class, the encoding is the same for
32bit and 64bit mode. Having both present would otherwise confuse the
disassembler.
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Note: The current code in DecodeMSRMask() rejects the unpredictable A/R MSR mask '0000' with Fail. The code in the patch follows this style and rejects unpredictable M-class MSR masks also with Fail (instead of SoftFail). If SoftFail is preferred in this case then additional changes to ARMInstPrinter (to print non-symbolic masks) and ARMAsmParser (to parse non-symbolic masks) will be needed.
Patch by Petr Pavlu!
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The ARM ARM prohibits LDRB/LDRSB instructions with writeback into the destination register. With this commit this constraint is now enforced and we stop assembling LDRH/LDRSH instructions with unpredictable behavior.
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The ARM ARM prohibits LDRH/LDRSH instructions with writeback into the source register. With this commit this constraint is now enforced and we stop assembling LDRH/LDRSH instructions with unpredictable behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214499 91177308-0d34-0410-b5e6-96231b3b80d8
The ARM ARM prohibits LDR instructions with writeback into the destination register. With this commit this constraint is now enforced and we stop assembling LDR instructions with unpredictable behavior.
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This allows assembling the two new instructions, encls and enclu for the
SKX processor model.
Note the diffs are a bigger than what might think, but to fit the new
MRM_CF and MRM_D7 in things in the right places things had to be
renumbered and shuffled down causing a bit more diffs.
rdar://16228228
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