e55c556a24
Convert assert(0) to llvm_unreachable
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llvm-svn: 149961
2012-02-07 02:50:20 +00:00
f1fb1d2375
Ignore register mask operands when lowering instructions to MC.
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This is similar to implicit register operands. MC doesn't understand
register liveness and call clobbers.
llvm-svn: 148437
2012-01-18 23:52:19 +00:00
a20cde31e7
Sink ARMMCExpr and ARMAddressingModes into MC layer. First step to separate ARM MC code from target.
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llvm-svn: 135636
2011-07-20 23:34:39 +00:00
95dee40343
Use TableGen'erated pseudo lowering for ARM.
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Hook up the TableGen lowering for simple pseudo instructions for ARM and
use it for a subset of the many pseudos the backend has as proof of concept.
More conversions to come.
llvm-svn: 134705
2011-07-08 17:40:42 +00:00
d13d13496f
Add needed braces.
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llvm-svn: 124273
2011-01-26 02:06:22 +00:00
965b3c7323
Model :upper16: and :lower16: as ARM specific MCTargetExpr. This is a step
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in the right direction. It eliminated some hacks and will unblock codegen
work. But it's far from being done. It doesn't reject illegal expressions,
e.g. (FOO - :lower16:BAR). It also doesn't work in Thumb2 mode at all.
llvm-svn: 123369
2011-01-13 07:58:56 +00:00
d0d1329fc8
Move the ARMAsmPrinter class defintiion into a header file.
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llvm-svn: 120551
2010-12-01 03:45:07 +00:00
38d90de7c3
Trailing whitespace.
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llvm-svn: 120497
2010-11-30 23:29:24 +00:00
2aa8becf33
trim #includes.
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llvm-svn: 119075
2010-11-14 21:16:04 +00:00
de16ca8ecc
rename LowerToMCInst -> LowerARMMachineInstrToMCInst.
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llvm-svn: 119071
2010-11-14 21:00:02 +00:00
c5afd12557
even more simplifications. ARM MCInstLowering is now just
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a single function instead of a class. It doesn't need the
complexity that X86 does.
llvm-svn: 119070
2010-11-14 20:58:38 +00:00
18442f5543
more shrinkification
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llvm-svn: 119068
2010-11-14 20:41:53 +00:00
3040e8c69b
more simplifications.
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llvm-svn: 119067
2010-11-14 20:40:08 +00:00
b28e691657
simplify and tidy up
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llvm-svn: 119066
2010-11-14 20:31:06 +00:00
85dcd3d0f4
Add support for ELF PLT references for ARM MC asm printing. Adding a
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new VariantKind to the MCSymbolExpr seems like overkill, but I'm not sure
there's a more straightforward way to get the printing difference captured.
(i.e., x86 uses @PLT, ARM uses (PLT)).
llvm-svn: 114613
2010-09-22 23:27:36 +00:00
a9424d4f2f
Enable a few additional asserts in MC instruction lowering.
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llvm-svn: 114601
2010-09-22 23:01:28 +00:00
003fd5b65e
Remove a few commented out bits
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llvm-svn: 114576
2010-09-22 20:32:34 +00:00
0d35df1cfe
handle the upper16/lower16 target operand flags on symbol references for MC
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instruction lowering.
llvm-svn: 114191
2010-09-17 18:25:25 +00:00
ee1934a2da
Make sure to promote single precision floats to double before extracting them
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from the APFloat.
llvm-svn: 114096
2010-09-16 17:37:30 +00:00
298d0fd1c8
store MC FP immediates as a double instead of as an APFloat, thus avoiding an
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unnecessary dtor for MCOperand.
llvm-svn: 114064
2010-09-16 03:45:21 +00:00
7bbf3fd0d6
Add support for floating point immediates to MC instruction printing. ARM
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VFP instructions use it for loading some constants, so implement that
handling.
Not thrilled with adding a member to MCOperand, but not sure there's much of
a better option that's not pretty fragile (like putting a double in the
union instead and just assuming that's good enough). Suggestions welcome...
llvm-svn: 113996
2010-09-15 18:47:08 +00:00
cf98cbaef1
Don't ignore the CPSR implicit def when lowering a MachineInstruction to an MCInst.
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llvm-svn: 113847
2010-09-14 20:41:27 +00:00
7aeff13cae
trailing whitespace
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llvm-svn: 113768
2010-09-13 18:25:42 +00:00
b792b463af
sink the arm implementations of ASmPrinter and MCInstLower
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out of the AsmPrinter directory into libarm. Now the
ARM InstPrinters depend jsut on the MC stuff, not on vmcore
or codegen.
llvm-svn: 108783
2010-07-19 23:44:46 +00:00
Craig Topper