(This worked as of about 6 months ago and I didn't track down
exactly what broke it; I think this fix is appropriate.)
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The implementation in LegalizeIntegerTypes to handle this as
sint64->float + appropriate power of 2 is subject to double rounding,
considered incorrect by numerics people. Use this implementation only
when it is safe. This leads to using library calls in some cases
that produced inline code before, but it's correct now.
(EVTToAPFloatSemantics belongs somewhere else, any suggestions?)
Add a correctly rounding (though not particularly fast) conversion
that uses X87 80-bit computations for x86-32.
7885399, 5901940. This shows up in gcc.c-torture/execute/ieee/rbug.c
in the gcc testsuite on some platforms.
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of "has calls". That's probably wrong, but it needs further
investigation. Revert to the original behavior until this is settled.
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the variable actually tracks.
N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.
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used more than once. If ISel had put a kill flag on one of them,
it's not valid to transfer the kill flag to each new instance.
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lower them to the correct x86-64 instructions since we
don't have a clean way to handle this in td files yet.
rdar://7947184
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be diced into atoms, and adjust getAtom() to take this into account.
- This fixes relocations to symbols in fixed size literal sections, for
example.
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to LLVM_LIBRARY_VISIBILITY and introduce LLVM_GLOBAL_VISIBILITY, which is
the opposite, for future use by dragonegg.
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Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.
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changed dllexport code to use EmitBytes instead of EmitRawText, and changed the export option to use /EXPORT: instead of -export: on the windows platform
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and %rcr_, leaving just %cr_ which is what people expect.
Updated the disassembler to support this unified register set.
Added a testcase to verify that the registers continue to be
decoded correctly.
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Reverse-merging r103156 into '.':
U lib/Target/ARM/ARMInstrNEON.td
U lib/Target/ARM/ARMRegisterInfo.h
U lib/Target/ARM/ARMBaseRegisterInfo.cpp
U lib/Target/ARM/ARMBaseInstrInfo.cpp
U lib/Target/ARM/ARMRegisterInfo.td
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that was causing PC-relative branch targets to be
evaluated incorrectly. Also added support for
checking operand values to the llvm-mc tester.
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instructions which have no direct register usage.
Darwin 'as' accepts:
add $0, (%rax)
but rejects
mov $0, (%rax)
for example.
Given that, only accept suffix matches which match exactly one form. We still
need to emit nice diagnostics for failures...
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- The idea is that when a match fails, we just try to match each of +'b', +'w',
+'l'. If exactly one matches, we assume this is a mnemonic prefix and accept
it. If all match, we assume it is width generic, and take the 'l' form.
- This would be a horrible hack, if it weren't so simple. Therefore it is an
elegant solution! Chris gets the credit for this particular elegant
solution. :)
- Next step to making this more robust is to have the X86 matcher generate the
mnemonic prefix information. Ideally we would also compute up-front exactly
which mnemonic to attempt to match, but this may require more custom code in
the matcher than is really worth it.
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instructions as the Mac OS X darwin assembler. Some of which like 'fcoml'
assembled to different opcodes. While some of the suffixes were just different.
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caused the a pushl instruction to be incorrectly encoding using only two bytes
of immediate, causing the following 2 instruction bytes to be part of the 32-bit
immediate value. Also fixed the one byte form of push to be used when the
immediate would fit in a signed extended byte. Lastly changed the names to not
include the 32 of PUSH32 since they actually push the size of the stack pointer.
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