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2009-08-19Add an extra line to conform with preferred style.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Modify an assert to avoid what looks like a GCC 4.2.4 signed-ness bug.Reid Kleckner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79494 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Handle 'a' modifier in X86 asms. PR 4742.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79484 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Fixed error in CPPBackend from a contextification API change.Reid Kleckner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79483 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Remove temporary testing code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79443 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Add an x86 peep that narrows TEST instructions to forms that useDan Gohman
a smaller encoding. These kinds of patterns are very frequent in sqlite3, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79439 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Update Cortex-A8 instruction itineraries for integer instructions.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79436 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19Add support for Neon VEXT (vector extract) shuffles.Bob Wilson
This is derived from a patch by Anton Korzh. I modified it to recognize the VEXT shuffles during legalization and lower them to a target-specific DAG node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79428 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19eliminate AsmPrinter::SwitchToSection and just have clientsChris Lattner
talk to the MCStreamer directly instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Implement sse4.2 string/text processing instructions:Eric Christopher
Add patterns and instruction encoding information. Add custom lowering to deal with hardwired return register of uncertain type (xmm0). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79377 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Simplify RegScavenger::FindUnusedReg.Jakob Stoklund Olesen
- Drop the Candidates argument and fix all callers. Now that RegScavenger tracks available registers accurately, there is no need to restict the search. - Make sure that no aliases of the found register are in use. This was a potential bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79369 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Add support for mergeable sections back into the XCore backend.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79368 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Put data with relocations in the same sections as data without relocations.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18fix COFF targets (mingw/cygwin) to provide ehframe and LSDA sectionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Text sections should have 'exec' flag set. This seems to unbreak libstdc++ ↵Anton Korobeynikov
on linux. Patch by Dmitry Gorbachev! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79334 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18remove some pointless null switchtosections. The IntelAsmPrinter doesn't ↵Chris Lattner
really work anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Fix revsh pattern.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79318 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18add support for some targetflags on GV operands. This allows us toChris Lattner
send instructions like: NEW: movl "L___stack_chk_guard$non_lazy_ptr" - "L1$pb"(%esi), %eax OLD: movl L___stack_chk_guard$non_lazy_ptr-"L1$pb"(%esi), %eax through the streamer. Several fixmes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18Fix function alignment at -Os on x86 to be 1, not 2. getFunctionAlignmentDan Gohman
returns a log2 value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-18PowerPC inline asm was emitting two output operandsDale Johannesen
for a single "m" constraint; this is wrong because the opcode of a load or store would have to change in parallel. This patch makes it always compute addresses into a register, which is correct but not as efficient as possible. 7144566. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79292 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17Clear the uniquing table when initializing TLOF to avoid a crash when the ↵Benjamin Kramer
TLOF is reinitialized with a different MCContext. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79253 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17Update getSectionForConstant() to to allow mergable sections to be nulled outRichard Osborne
if not supported by the ELF subtarget. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79249 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17the MinPad argument to PadToColumn only really makes sense to be 1,Chris Lattner
just remove the argument and replace it with 1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79246 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Avoid emitting XMM save code in soft-float or no-implicit-float modeDan Gohman
or some other situation where no xmm registers need to be saved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79207 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Delete an unused field.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79206 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Fix use after free in Thumb2SizeReduction (PR4707). A MachineInstr was used ↵Benjamin Kramer
after erasure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79189 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Styalistic and format changes. No functionality change.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79187 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16add support for external symbols + X86::MOVPC32r.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79175 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16implement support for lowering references to global addresses. For example, ↵Chris Lattner
we now can asmprint: NEW: movl "L___stack_chk_guard$non_lazy_ptr", %eax OLD: movl L___stack_chk_guard$non_lazy_ptr, %eax where 'new' is coming out of the MCInst version of the printer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79170 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16more formatting improvements, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16code formatting improvements, no functionality change.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15An overhaul of the exception handling code. This is arguably more correct thanBill Wendling
what was there before. In "no FP mode", we weren't generating labels and unwind table entries after each "push" instruction. While more than likely "okay", it's not technically correct. The major thing was that the ordering of when to define a new CFA register and at what offset wasn't correct. This would cause the exception handling to fail in ways most miserable to users. I also cleaned up some code a bit. There's one function which has a "return" at the beginning, so it's never used. Should I just remove it? :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79139 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Reapply r79127. It was fixed by d0k.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79136 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Revert r79127. It was causing compilation errors.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Change allowsUnalignedMemoryAccesses to take type argument since some targetsEvan Cheng
support unaligned mem access only for certain types. (Should it be size instead?) ARM v7 supports unaligned access for i16 and i32, some v6 variants support it as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79127 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15the .eh_frame sections we generate need to be writable (whichChris Lattner
is why they are datarel). This should fix PR4724, and is fallout from r78890. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Use the new API for creating an OpaqueType.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79107 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15tidy upChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Update cpp generation with new LLVM API for primitive types.Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79098 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Revert a few changes that were done in 78603.Sanjiv Gupta
PIC16DebugInfo currently rely on NameStr of composite type descriptors to uniquely identify debug info for two aggregate type decls with same name. This implementation will change when we have MDNodes based debug info implemenatation in place git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79097 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Move XCore AsmPrinter to XCore/AsmPrinter directory.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Add support for the PowerPC 64-bit SVR4 ABI.Tilmann Scheller
The Link Register is volatile when using the 32-bit SVR4 ABI. Make it possible to use the 64-bit SVR4 ABI. Add non-volatile registers for the 64-bit SVR4 ABI. Make sure r2 is a reserved register when using the 64-bit SVR4 ABI. Update PPCFrameInfo for the 64-bit SVR4 ABI. Add FIXME for 64-bit Darwin PPC. Insert NOP instruction after direct function calls. Emit official procedure descriptors. Create TOC entries for GlobalAddress references. Spill 64-bit non-volatile registers to the correct slots. Only custom lower VAARG when using the 32-bit SVR4 ABI. Use simple VASTART lowering for the 64-bit SVR4 ABI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79091 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Turn on if-conversion for thumb2.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15update for rename.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79082 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15rename PIC16Section.h -> MCSectionPIC16.h for consistency withChris Lattner
the class it defines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79081 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15cmake likes its explicit list of files to build.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79080 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15use XCore-specific section with xcore specific cp/dp flags to restore Chris Lattner
support for globals going into the appropriate sections with the flags. This hopefully finishes unbreaking the previous behavior that I broke before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15If ELF subtargets don't want to support 4/8/16-byte mergable sections, allow Chris Lattner
them to null out the default section pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79078 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15add support for target-specific ELF section flags, add a new MCSectionXCoreChris Lattner
class which represents the XCore cp/dp section flags. No functionality change yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79077 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Simplify a few more things, eliminating a few more dependencies onDan Gohman
"the current basic block". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79069 91177308-0d34-0410-b5e6-96231b3b80d8
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