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2012-09-19Unify the logic in SelectAtomicLoadAdd and SelectAtomicLoadArithMichael Liao
- Merge the processing of LOAD_ADD with other atomic load-arith operations - Separate the logic getting target constant for atomic-load-op and add an optimization for atomic-load-add on i16 with negative value - Optimize a minor case for atomic-fetch-add i16 with negative operand. Test case is revised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Small structs for PPC64 SVR4 must be passed right-justified in registers.Bill Schmidt
lib/Target/PowerPC/PPCISelLowering.{h,cpp} Rename LowerFormalArguments_Darwin to LowerFormalArguments_Darwin_Or_64SVR4. Rename LowerFormalArguments_SVR4 to LowerFormalArguments_32SVR4. Receive small structs right-justified in LowerFormalArguments_Darwin_Or_64SVR4. Rename LowerCall_Darwin to LowerCall_Darwin_Or_64SVR4. Rename LowerCall_SVR4 to LowerCall_32SVR4. Pass small structs right-justified in LowerCall_Darwin_Or_64SVR4. test/CodeGen/PowerPC/structsinregs.ll New test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Remove code for setting the VEX L-bit as a function of operand size from the ↵Craig Topper
code emitters and the disassembler table builder. Fix a couple instructions that were still missing VEX_L. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164204 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Add explicit VEX_L tags to all 256-bit instructions. This will allow us to ↵Craig Topper
remove code from the code emitters that examined operands to set the L-bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164202 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Merge commit '8e70b5506ec0d7a6c2740bc89cd1b8f12a78b24f'Derek Schuff
Conflicts: include/llvm/CodeGen/ISDOpcodes.h include/llvm/Target/Target.td include/llvm/Target/TargetLowering.h include/llvm/Target/TargetOpcodes.h lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp lib/Target/Mips/MipsMCInstLower.cpp utils/TableGen/CodeGenTarget.cpp
2012-09-18MOVi16 (movw) is only legal on cpus with V6T2 support. rdar://12300648Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164169 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Fix the isLocalCall() by checking for linker weakness as well.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164155 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Revert r164051.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164150 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Avoid symbol name clash when filling TOC.Roman Divacky
Patch by Adhemerval Zanella. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164141 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18On PPC64 emit the environment pointer. Patch by Adhemerval Zanella.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164139 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Optimize local func calls to not emit nop for TOC restoration.Roman Divacky
Patch by Adhemerval Zanella. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18When creating MCAsmBackend pass the CPU string as well. In X86AsmBackendRoman Divacky
store this and use it to not emit long nops when the CPU is geode which doesnt support them. Fixes PR11212. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164132 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18More domain conversion; convert VFP VMOVS to NEON instructions in more cases ↵James Molloy
- when we may clobber the other S-lane by converting an S to a D instruction, make an effort to work out if the S lane is clobberable or not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164114 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18TableGen subtarget emitter. Initialize MCSubtargetInfo with the new machine ↵Andrew Trick
model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164092 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Use vld1 / vst2 for unaligned v2f64 load / store. e.g. Use vld1.16 for 2-byteEvan Cheng
aligned address. Based on patch by David Peixotto. Also use vld1.64 / vst1.64 with 128-bit alignment to take advantage of alignment hints. rdar://12090772, rdar://12238782 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164089 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Revert r164061-r164067. Most of the new subtarget emitter.Andrew Trick
I have to work out the Target/CodeGen header dependencies before putting this back. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164072 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17TableGen subtarget emitter. Initialize MCSubtargetInfo with the new machine ↵Andrew Trick
model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164061 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Add some cases to x86 OptimizeCompare to handle DEC and INC, too.Jan Wen Voung
While we are setting the earlier def to true, also make it live. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Make sure there is enough room for RA. getStackSize needs to be cleaned up butAkira Hatanaka
we will do that when we implement the full save/restore. Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164051 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Be more conservative about EFLAGS optimizations that mayJan Voung
introduce copies (PUSHF and POPF). Earlier, we had allowed them, and then rewritten the PUSHF and POPF at a later stage. However, later MachineInstr passes are too late because there is no longer any type information. Well, that's not completely true -- we may be able to beef up the NaClRewrite pass and scan backwards for the opcode of previous defining Arith Instruction then from the opcode infer the type of the operands... It seems like skipping the earlier DAG optimization, and letting the existing later peephole pass clean up would be better (we don't have to copy an opcode table into the NaCl rewrite pass). BUG= http://code.google.com/p/nativeclient/issues/detail?id=2711 BUG= http://code.google.com/p/nativeclient/issues/detail?id=3031 TEST= check asm of bitcode file from bug 3031 TEST= pnacl/test.sh test-x86-64 run_srpc_message_untrusted_test on merged llvm Review URL: https://codereview.chromium.org/10907251
2012-09-17LLVM_ATTRIBUTE_USED forces emission of a function. To silence unused ↵Benjamin Kramer
function warnings use LLVM_ATTRIBUTE_UNUSED. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164036 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17Removed the VMLxForwarding feature for the Cortex-A15 target.Silviu Baranga
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164030 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-16Change unsigned to uint32_t to match base class declaration and other targets.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164001 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-16The PMOVZXWD family of functions had patterns extends narrow vector types to ↵Nadav Rotem
wide vector types. It had patterns for zext-loading and extending. This commit adds patterns for loading a wide type, performing a bitcast, and extending. This is an odd pattern, but it is commonly used when writing code with intrinsics. rdar://11897677 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163995 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15Remove unused private fields to silence -Wunused-private-field.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163973 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15X86: Emitting x87 fsin/fcos for sinf/cosf is not safe without unsafe fp math.Benjamin Kramer
This was only an issue if sse is disabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163967 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15Remove aligned/unaligned load/store fragments defined in MipsInstrInfo.td andAkira Hatanaka
use load/store fragments defined in TargetSelectionDAG.td in place of them. Unaligned loads/stores are either expanded or lowered to target-specific nodes, so instruction selection should see only aligned load/store nodes. No changes in functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163960 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-15Handled unaligned load/stores properly in Mips16 Akira Hatanaka
Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163956 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Implement getNumLDMAddresses and expose through ARMBaseInstrInfo.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Cortex-A9 instruction-level scheduling machine model.Andrew Trick
This models the A9 processor at the level of instruction operands, as opposed to the itinerary, which models each operation at the level of pipeline stages. The two primary motivations are: 1) Allow MachineScheduler to model A9 as an out-of-order processor. It can now distinguish between hazards that force interlocking vs. buffered resources. 2) Reduce long-term maintenance by allowing the itinerary and target hooks to eventually be removed. Note that almost all of the complexity in the new model exists to model instruction variants, which the itinerary cannot handle. Instead the scheduler previously relied on processor-specific target hooks which are incomplete and buggy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163921 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14DAG post-process for Hexagon MI schedulerSergei Larin
This patch introduces a possibility for Hexagon MI scheduler to perform some target specific post- processing on the scheduling DAG prior to scheduling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Fix Doxygen issues:Dmitri Gribenko
* wrap code blocks in \code ... \endcode; * refer to parameter names in paragraphs correctly (\arg is not what most people want -- it starts a new paragraph); * use \param instead of \arg to document parameters in order to be consistent with the rest of the codebase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Remove redundant private field.Benjamin Kramer
clang warned about this being unused in Release builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163899 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14mips16 fixes.Akira Hatanaka
1. Add MoveR3216 2. Correct spelling for Move32R16 Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163869 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix commentMichael Liao
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163835 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Add wider vector/integer support for PR12312Michael Liao
- Enhance the fix to PR12312 to support wider integer, such as 256-bit integer. If more than 1 fully evaluated vectors are found, POR them first followed by the final PTEST. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163832 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Fix the TCRETURNmi64 bug differently.Jakob Stoklund Olesen
Add a PatFrag to match X86tcret using 6 fixed registers or less. This avoids folding loads into TCRETURNmi64 using 7 or more volatile registers. <rdar://problem/12282281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163819 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13mips16: When copying operands in a conditional branch instruction, allow forAkira Hatanaka
immediate operands to be copied. Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163811 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Revert r163761 "Don't fold indexed loads into TCRETURNmi64."Jakob Stoklund Olesen
The patch caused "Wrong topological sorting" assertions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163810 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13This patch introduces A15 as a target in LLVM.Silviu Baranga
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163803 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Add a new compression type to ModRM table that detects when the memory modRM ↵Craig Topper
byte represent 8 instructions and the reg modRM byte represents up to 64 instructions. Reduces modRM table from 43k entreis to 25k entries. Based on a patch from Manman Ren. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163774 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13Don't fold indexed loads into TCRETURNmi64.Jakob Stoklund Olesen
We don't have enough GR64_TC registers when calling a varargs function with 6 arguments. Since %al holds the number of vector registers used, only %r11 is available as a scratch register. This means that addressing modes using both base and index registers can't be folded into TCRETURNmi64. <rdar://problem/12282281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163761 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Misc.Akira Hatanaka
1. Remove RA from list of allocatable registers 2. Enable d,y,r constraint inline assembly instructions Patch by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163753 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Fix PR11985Michael Liao
- BlockAddress has no support of BA + offset form and there is no way to propagate that offset into machine operand; - Add BA + offset support and a new interface 'getTargetBlockAddress' to simplify target block address forming; - All targets are modified to use new interface and X86 backend is enhanced to support BA + offset addressing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163743 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12[ms-inline asm] Make the operand size directives case insensitive.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163729 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Fix a couple of Doxygen comment issues pointed out by -Wdocumentation.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163721 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Enable exceptions handling on PPC64 now that cr misaligned spillingRoman Divacky
was fixed in r163713. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163715 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12This patch corrects logic in PPCFrameLowering for save and restore of ↵Roman Divacky
nonvolatile condition register fields across calls under the SVR4 ABIs. * With the 64-bit ABI, the save location is at a fixed offset of 8 from the stack pointer. The frame pointer cannot be used to access this portion of the stack frame since the distance from the frame pointer may change with alloca calls. * With the 32-bit ABI, the save location is just below the general register save area, and is accessed via the frame pointer like the rest of the save areas. This is an optional slot, so it must only be created if any of CR2, CR3, and CR4 were modified. * For both ABIs, save/restore logic is generated only if one of the nonvolatile CR fields were modified. I also took this opportunity to clean up an extra FIXME in PPCFrameLowering.h. Save area offsets for 32-bit GPRs are meaningless for the 64-bit ABI, so I removed them for correctness and efficiency. Fixes PR13708 and partially also PR13623. It lets us enable exception handling on PPC64. Patch by William J. Schmidt! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163713 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Add support for AMD Geode.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163710 91177308-0d34-0410-b5e6-96231b3b80d8
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