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2010-02-12Load / store multiple instructions cannot load / store sp. Sorry, can't come ↵Evan Cheng
up with a reasonable test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96023 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12This should have gone in with 26015, see comments there.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96020 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add halfword multiply accumulate long SMLALBB/BT/TB/TT for disassembly only.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96019 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12doxygenize some comments, patch by Peter Collingbourne!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96018 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12When save/restoring CR at prolog/epilog, in a largeDale Johannesen
stack frame, the prolog/epilog code was using the same register for the copy of CR and the address of the save slot. Oops. This is fixed here for Darwin, sort of, by reserving R2 for this case. A better way would be to do the store before the decrement of SP, which is safe on Darwin due to the red zone. SVR4 probably has the same problem, but I don't know how to fix it; there is no red zone and R2 is already used for something else. I'm going to leave it to someone interested in that target. Better still would be to rewrite the CR-saving code completely; spilling each CR subregister individually is horrible code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96015 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add support for a union type in LLVM IR. Patch by Talin!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add SWP (Swap) and SWPB (Swap Byte) for disassembly only.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Also recognize armv6t2-* and armv5te-* triplets.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Fix a case of mismatched types in an Add that turned up in 447.dealII.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add ARM bitcode file magic.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Reapply 95979, a compile-time speedup, now that the bug it exposed is fixed.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96005 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Fix this code to avoid dereferencing an end() iterator inDan Gohman
offset distributions it doesn't expect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96002 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add CPS, MRS, MRSsys, MSR, MSRsys for disassembly only.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Rewrite handling of DBG_VALUE; previous algorithmDale Johannesen
didn't handle X = Y<dead> = use X DBG_VALUE(X) I was hoping to avoid this approach as it's slower, but I don't think it can be done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95996 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-121. modernize the constantmerge pass, using densemap/smallvector.Chris Lattner
2. don't bother trying to merge globals in non-default sections, doing so is quite dubious at best anyway. 3. fix a bug reported by Arnaud de Grandmaison where we'd try to merge two globals in different address spaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12rename testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95993 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Revert "Reverse the order for collecting the parts of an addrec. The order", itDaniel Dunbar
is breaking llvm-gcc bootstrap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95988 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Testcases for recent stdcall / fastcall mangling improvementsAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95982 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Setup correct data layout to match gcc's expectations on mingw32.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95981 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Cleanup stdcall / fastcall name mangling.Anton Korobeynikov
This should fix alot of problems we saw so far, e.g. PRs 5851 & 2936 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95980 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Reverse the order for collecting the parts of an addrec. The orderDan Gohman
doesn't matter, except that ScalarEvolution tends to need less time to fold the results this way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95979 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Reapply the new LoopStrengthReduction code, with compile time andDan Gohman
bug fixes, and with improved heuristics for analyzing foreign-loop addrecs. This change also flattens IVUsers, eliminating the stride-oriented groupings, which makes it easier to work with. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95975 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12* Updated the cost matrix normalization proceedure to better handle infinite ↵Lang Hames
costs. * Enabled R1/R2 application for nodes with infinite spill costs in the Briggs heuristic (made safe by the changes to the normalization proceedure). * Removed a redundant header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95973 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Update test to match 95961.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95971 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Test for 95961.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95962 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12add a bunch of mod/rm encoding types for fixed mod/rm bytes.Chris Lattner
This will work better for the disassembler for modeling things like lfence/monitor/vmcall etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95960 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Test case for 95958.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95959 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12revert r95949, it turns out that adding new prefixes is not a Chris Lattner
great solution for the disassembler, we'll go with "plan b". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95957 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12MC: Fix bug where trailing tied operands were forgotten; the X86 assemblerDaniel Dunbar
matcher is now free of implicit operands! - Still need to clean up the code now that we don't to worry about implicit operands, and to make it a hard error if an instruction fails to specify all of its operands for some reason. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95956 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Added coprocessor Instructions CDP, CDP2, MCR, MCR2, MRC, MRC2, MCRR, MCRR2,Johnny Chen
MRRC, MRRc2. For disassembly only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95955 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add a new pass on machine instructions to optimize away PHI cycles that Bob Wilson
reduce down to a single value. InstCombine already does this transformation but DAG legalization may introduce new opportunities. This has turned out to be important for ARM where 64-bit values are split up during type legalization: InstCombine is not able to remove the PHI cycles on the 64-bit values but the separate 32-bit values can be optimized. I measured the compile time impact of this (running llc on 176.gcc) and it was not significant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95951 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12X86: Fix definition for RCL/RCR.*m? operations -- they were getting representedDaniel Dunbar
with "tied memory operands", which is wrong. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12add another bit of space for new kinds of instruction prefixes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add a missing pattern for movhps so that we get:Nate Begeman
movq (%ecx,%edx,2), %xmm2 movhps (%ecx,%eax,2), %xmm2 rather than: movq (%eax, %edx, 2), %xmm2 movq (%eax, %ebx, 2), %xmm3 movlhps %xmm3, %xmm2 Testcase forthcoming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12fix the encodings of monitor and mwait, which were completelyChris Lattner
busted in both encoders. I'm not bothering to fix it in the old one at this point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95947 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12improve support for minix, PR6280, patch byChris Lattner
Kees van Reeuwijk! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95946 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12Add a new function attribute, 'alignstack'. It will indicate (when the backendsCharles Davis
implement support for it) that the stack should be forcibly realigned in the prologue (and the process reversed in the epilogue). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95945 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11Reapply coalescer fix for better cross-class coalescing.Jakob Stoklund Olesen
This time with fixed test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95938 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11enhance llvm-mc -show-inst to print the enum of an instruction, like so:Chris Lattner
testb %al, %al ## <MCInst #2412 TEST8rr ## <MCOperand Reg:2> ## <MCOperand Reg:2>> jne LBB1_7 ## <MCInst #938 JNE_1 ## <MCOperand Expr:(LBB1_7)>> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95935 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11add a new MCInstPrinter::getOpcodeName interface, when it is Chris Lattner
implemented, llvm-mc --show-inst now uses it to print the instruction opcode as well as the number. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95929 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11Document binutils requirements for coff targets (cygwin / mingw32).Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95928 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11improve encoding information for branches. We now know they haveChris Lattner
8 or 32-bit immediates, which allows the new encoder to handle them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95927 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11MC: Move assembler-backend's fixup list into the fragment.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95926 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11MC: Move MCSectionData::Fixup out to MCAsmFixup.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95925 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11make getFixupKindInfo return a const reference, allowingChris Lattner
the tables to be const. Teach MCCodeEmitter to handle the target-indep kinds so that we don't crash on them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95924 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11Revert functional change. This broke a bunch of tests.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11switch to target-indep fixups for 1/2/4/8 byte data.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11revert 95903.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95918 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11It is always good to do a cross-class join when the large register has a ↵Jakob Stoklund Olesen
tiny interval. Also avoid division by zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95917 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-11Added LDRT/LDRBT/STRT/STRBT for disassembly only.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95916 91177308-0d34-0410-b5e6-96231b3b80d8
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