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* Fix an issue in some Thumb fixups, where the effective PC address needs to ↵Owen Anderson2010-12-093-5/+13
| | | | | | | | | | | be 4-byte aligned when calculating the offset. Add a new fixup flag to represent this, and use it for the one fixups that I have a testcase for needing this. It's quite likely that the other Thumb fixups will need this too, and to have their fixup encoding logic adjusted accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121408 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename CB/CBZ specific fixup accordingly.Jim Grosbach2010-12-094-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121404 91177308-0d34-0410-b5e6-96231b3b80d8
* Add assert to catch an attempt to emit .byte 256Devang Patel2010-12-091-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121402 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for parsing ARM arithmetic instructions that update or don't updateKevin Enderby2010-12-091-6/+45
| | | | | | | | | | the condition codes. Where the ones that do have an 's' suffix and the ones that don't don't have the suffix. The trick is if MatchInstructionImpl() fails we try again after adding a CCOut operand with the correct value and removing the 's' if present. Four simple test cases added for now, lots more to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121401 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the encoder method for t_cbtarget to match.Jim Grosbach2010-12-093-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121399 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb needs a few different encoding schemes for branch targets. RenameJim Grosbach2010-12-091-3/+3
| | | | | | t_brtarget to be more specific. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121398 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM stm/ldm instructions require more than one register in the register list.Jim Grosbach2010-12-092-19/+60
| | | | | | | | Otherwise, a plain str/ldr should be used instead. Make sure we account for that in prologue/epilogue code generation. rdar://8745460 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121391 91177308-0d34-0410-b5e6-96231b3b80d8
* Added register reassignment prototype to RAGreedy. It's a simpleAndrew Trick2010-12-095-19/+116
| | | | | | | | heuristic to reshuffle register assignments when we can't find an available reg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121388 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/Windows/PathV2: Fix header comment.Michael J. Spencer2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121383 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespace.Michael J. Spencer2010-12-092-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121382 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Move c_str from SmallVector back to SmallString and add a free standingMichael J. Spencer2010-12-092-1/+14
| | | | | | templated c_str in Windows.h to replace it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121381 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/FileSystem: Change file_status predicate functions that cannot fail toMichael J. Spencer2010-12-091-0/+27
| | | | | | | return their result instead of an error_code. Also add some missing predicate functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121380 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with ↵Michael J. Spencer2010-12-0912-49/+100
| | | | | | error_code &ec. And fix clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ROTR and ROTRV mips32 instructions. Patch by Akira HatanakaBruno Cardoso Lopes2010-12-092-13/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121377 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix delay slot filler for non mips1 targets. Patch by Akira HatanakaBruno Cardoso Lopes2010-12-091-5/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121376 91177308-0d34-0410-b5e6-96231b3b80d8
* Dont' feed ILA two inputs - it takes just one.Kalle Raiskila2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121372 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy up.Jim Grosbach2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121371 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 columns.Jim Grosbach2010-12-091-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121370 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance memcpyopt to zap memcpy's that have the same src/dst.Chris Lattner2010-12-091-4/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121362 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR8753, eliminating a case where we'd infinitely make a Chris Lattner2010-12-091-0/+8
| | | | | | | | | substitution because it doesn't actually change the IR. Patch by Jakub Staszak! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121361 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite the darwin tlv support to use a chain and return to copyingEric Christopher2010-12-092-6/+9
| | | | | | | | | the output to the correct register. Fixes a hidden problem uncovered by the last patch where we'd try to DAG combine our MVT::Other node oddly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121358 91177308-0d34-0410-b5e6-96231b3b80d8
* Take the first step towards making LVI non-recursive: get rid of the ↵Owen Anderson2010-12-091-101/+39
| | | | | | LVIQuery abstraction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121357 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-col fixups.Eric Christopher2010-12-091-9/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121356 91177308-0d34-0410-b5e6-96231b3b80d8
* Reworking the stack layout generated by the MBlaze backend.Wesley Peck2010-12-0912-177/+127
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121355 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix encoding of the immediate operands on post-indexed LDR and friends.Owen Anderson2010-12-091-39/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121354 91177308-0d34-0410-b5e6-96231b3b80d8
* Really check that the bits that will become zero are actually already zeroDan Gohman2010-12-091-2/+1
| | | | | | | before eliminating the operation that zeros them. This fixes rdar://8739316. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121353 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up some comments.Eric Christopher2010-12-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121351 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Thumb2 fixups for ldr.Owen Anderson2010-12-093-5/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121350 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a textual message to the assert.Jim Grosbach2010-12-091-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121349 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a sanity check assert() for t2ADD/SUBrSPi instructions that they really areJim Grosbach2010-12-091-0/+7
| | | | | | referencing the stack pointer as they say they are. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121347 91177308-0d34-0410-b5e6-96231b3b80d8
* When using multiple instructions to reference a frame index, make sure toJim Grosbach2010-12-091-0/+5
| | | | | | update the opcode when necessary as well as the source register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121346 91177308-0d34-0410-b5e6-96231b3b80d8
* The add/sub SP instructions are really pseudos. The assembler should ignoreJim Grosbach2010-12-091-0/+2
| | | | | | them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121345 91177308-0d34-0410-b5e6-96231b3b80d8
* IntervalMap iterators are heavyweight, so avoid copying them around and useJakob Stoklund Olesen2010-12-092-5/+25
| | | | | | | | | | | references instead. Similarly, IntervalMap::begin() is almost as expensive as find(), so use find(x) instead of begin().advanceTo(x); This makes RegAllocBasic run another 5% faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121344 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused variablesMatt Beaumont-Gay2010-12-091-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121343 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo in Thumb2 branch fixup.Owen Anderson2010-12-091-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121342 91177308-0d34-0410-b5e6-96231b3b80d8
* Stop confusing people, it's not really a chain, or a tumor.Eric Christopher2010-12-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121340 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extraneous semicolon.Bill Wendling2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121338 91177308-0d34-0410-b5e6-96231b3b80d8
* Attempt to make the bit-twiddling readable resulted in the binary value beingBill Wendling2010-12-091-8/+10
| | | | | | | overwritten. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121337 91177308-0d34-0410-b5e6-96231b3b80d8
* The BLX instruction is encoded differently than the BL, because why not? InBill Wendling2010-12-095-19/+53
| | | | | | | | | | | particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0' always. Going through the BL fixup encoding was trashing the "bit 0 is '0'" invariant. Attempt to get the encoding at slightly more correct with this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121336 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove extraneous copy from DAG conversion for darwin tls. This wasEric Christopher2010-12-091-3/+2
| | | | | | | | popping up at O0 when it wasn't folded and the fast allocator would complain. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121330 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Thumb2 BCC encoding and fixups.Owen Anderson2010-12-094-8/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121329 91177308-0d34-0410-b5e6-96231b3b80d8
* Add rsp to the uses for the same reason as 32-bit.Eric Christopher2010-12-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121328 91177308-0d34-0410-b5e6-96231b3b80d8
* DW_FORM_data1 may not provide sufficient room for vtable index, use _udata ↵Devang Patel2010-12-091-1/+1
| | | | | | | | | instead. This fixes radar 8730409. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121323 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow a slash, '/', as a prefix separator for X86. rdar://8741045Kevin Enderby2010-12-081-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121320 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly deal with empty intervals when checking for interference.Jakob Stoklund Olesen2010-12-082-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121319 91177308-0d34-0410-b5e6-96231b3b80d8
* Style nit and whitespace cleanupJason W Kim2010-12-081-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121317 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the add/sub w/ SP source reg instructions in Thumb2 a bit. Add a FIXMEJim Grosbach2010-12-081-11/+13
| | | | | | for more thorough cleanup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121315 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix T2TwoRegImm and use it for t2ADDrSPi12 and friends.Jim Grosbach2010-12-081-19/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121314 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed dead comment.Jason W Kim2010-12-081-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121313 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM/MC/ELF TPsoft is now a proper pseudo inst.Jason W Kim2010-12-083-9/+31
| | | | | | | | | | | Added test to check bl __aeabi_read_tp gets emitted properly for ELF/ASM as well as ELF/OBJ (including fixup) Also added support for ELF::R_ARM_TLS_IE32 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121312 91177308-0d34-0410-b5e6-96231b3b80d8
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