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* [SystemZ] Add negative integer absolute (load negative)Richard Sandiford2013-08-192-0/+66
| | | | | | | | | For now this matches the equivalent of (neg (abs ...)), which did hit a few times in projects/test-suite. We should probably also match cases where absolute-like selects are used with reversed arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188671 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add integer absolute (load positive)Richard Sandiford2013-08-192-0/+66
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188670 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the PPC fcpsgn instructionHal Finkel2013-08-191-2/+4
| | | | | | | | | Modern PPC cores support a floating-point copysign instruction, and we can use this to lower the FCOPYSIGN node (which is created from calls to the libm copysign function). A couple of extra patterns are necessary because the operand types of FCOPYSIGN need not agree. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188653 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for Thumb2 literal loads with negative zero offsetMihai Popa2013-08-161-0/+12
| | | | | | | | | | Thumb2 literal loads use an offset encoding which allows for negative zero. This fixes parsing and encoding so that #-0 is correctly processed. The parser represents #-0 as INT32_MIN. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188549 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Thumb2 aliasing complementary instructions taking modified immediatesMihai Popa2013-08-161-1/+8
| | | | | | | | | | | | | | | | | | | | | | | There are many Thumb instructions which take 12-bit immediates encoded in a special 8-byte value + 4-byte rotator form. Not all numbers are represented, and it's legal to transform an assembly instruction to be able to encode the immediate. For example: AND and BIC are complementary instructions; one can switch the AND to a BIC as long as the immediate is complemented. The intent is to switch one instruction into its complementary one when the immediate cannot be encoded in the form requested in the original assembly and when the complementary immediate is encodable. The patch addresses two issues: 1. definition of t2SOImmNot immediate - it has to check that the orignal value is not encoded naturally 2. t2AND and t2BIC instruction aliases which should use the Thumb2 SOImm operand rather than the ARM one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188548 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Use SRST to implement strlen and strnlenRichard Sandiford2013-08-162-0/+22
| | | | | | | It would also make sense to use it for memchr; I'm working on that now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188547 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Use MVST to implement strcpy and stpcpyRichard Sandiford2013-08-162-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188546 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Use CLST to implement strcmpRichard Sandiford2013-08-162-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188544 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements wait instruction for mips. Examples are added in test ↵Vladimir Medic2013-08-161-0/+4
| | | | | | files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188537 91177308-0d34-0410-b5e6-96231b3b80d8
* [tests] Cleanup initialization of test suffixes.Daniel Dunbar2013-08-1619-38/+0
| | | | | | | | | | | | | | | | | - Instead of setting the suffixes in a bunch of places, just set one master list in the top-level config. We now only modify the suffix list in a few suites that have one particular unique suffix (.ml, .mc, .yaml, .td, .py). - Aside from removing the need for a bunch of lit.local.cfg files, this enables 4 tests that were inadvertently being skipped (one in Transforms/BranchFolding, a .s file each in DebugInfo/AArch64 and CodeGen/PowerPC, and one in CodeGen/SI which is now failing and has been XFAILED). - This commit also fixes a bunch of config files to use config.root instead of older copy-pasted code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188513 91177308-0d34-0410-b5e6-96231b3b80d8
* This fixes three issues related to Thumb literal loads:Mihai Popa2013-08-152-6/+21
| | | | | | | | | | 1. The offset range for Thumb1 PC relative loads is [0..1020] and not [-1024..1020] 2. Thumb2 PC relative loads may define the PC, so the restriction placed on target register is removed 3. Removes unneeded alias between "ldr.n" and t1LDRpci. ".n" is actually stripped by both tablegen and the ASM parser, so this alias rule really does nothing git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188466 91177308-0d34-0410-b5e6-96231b3b80d8
* Clang and AArch64 backend patches to support shll/shl and vmovl instructions ↵Hao Liu2013-08-154-0/+161
| | | | | | and ACLE functions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188451 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test-case for hex floating-literalsTim Northover2013-08-141-0/+3
| | | | | | Somehow I forgot to test one of the error conditions I'd added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188372 91177308-0d34-0410-b5e6-96231b3b80d8
* Support C99 hexadecimal floating-point literals in assemblyTim Northover2013-08-141-1/+36
| | | | | | | | It's useful to be able to write down floating-point numbers without having to worry about what they'll be rounded to (as C99 discovered), this extends that ability to the MC assembly parsers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188370 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Fix bug in parsing accumulator registers.Akira Hatanaka2013-08-141-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188344 91177308-0d34-0410-b5e6-96231b3b80d8
* [Mips] Support for unaligned load/store microMips instructionsJack Carter2013-08-131-0/+26
| | | | | | | | | This includes instructions lwl, lwr, swl and swr. Patch by Zoran Jovnovic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188312 91177308-0d34-0410-b5e6-96231b3b80d8
* ARMv8: SWP and SWPB are obsoleted on ARMv8.Joey Gouly2013-08-131-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188288 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix signed overflow in when computing encodings for ADR instructionsMihai Popa2013-08-131-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188268 91177308-0d34-0410-b5e6-96231b3b80d8
* [-cxx-abi microsoft] Stick zero initialized symbols into the .bss section ↵David Majnemer2013-08-131-0/+6
| | | | | | | | | | | | | | | | | | | | | | | for COFF Summary: We need to do two things: - Initialize BSSSection in MCObjectFileInfo::InitCOFFMCObjectFileInfo - Teach TargetLoweringObjectFileCOFF::SelectSectionForGlobal what to do with it This fixes PR16861. Reviewers: rnk Reviewed By: rnk CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D1361 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188244 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash with X86 Mach-O and a subtraction expression where both symbols areKevin Enderby2013-08-121-0/+5
| | | | | | | | | | undefined and produce an error message instead as this is a non-relocatable expression with X86 Mach-O. rdar://8920876 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188218 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements ei and di instructions for mips. Test cases are added.Vladimir Medic2013-08-121-1/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188176 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix FileCheck --check-prefix lines.Tim Northover2013-08-122-2/+2
| | | | | | | | | | Various tests had sprung up over the years which had --check-prefix=ABC on the RUN line, but "CHECK-ABC:" later on. This happened to work before, but was strictly incorrect. FileCheck is getting stricter soon though. Patch by Ron Ofir. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188173 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add a definition of the CLC instructionRichard Sandiford2013-08-123-0/+142
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188162 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add a definition of the IPM instructionRichard Sandiford2013-08-122-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188161 91177308-0d34-0410-b5e6-96231b3b80d8
* Check for $PWD in llvm::sys::current_path.Rafael Espindola2013-08-101-0/+10
| | | | | | | Some users (clang, libTooling) require this. After this patch we can remove the calls to getenv("PWD") from clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188125 91177308-0d34-0410-b5e6-96231b3b80d8
* This fixes the Thumb2 CPS assembly syntax.Mihai Popa2013-08-093-1/+36
| | | | | | | | | | | | | | | In Thumb1, only one variant is supported: CPS{effect} {flags} Thumb2 supports three: CPS{effect}.W {flags} CPS{effect} {flags} {mode} CPS {mode} Canonically, .W should be used only when ambiguity is present between encodings of different width. The wide suffix is still accepted for the latter two forms via aliases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188071 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix assembling of Thumb2 branch instructions.Mihai Popa2013-08-096-6/+330
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The long encoding for Thumb2 unconditional branches is broken. Additionally, there is no range checking for target operands; as such for instructions originating in assembly code, only short Thumb encodings are generated, regardless of the bitsize needed for the offset. Adding range checking is non trivial due to the representation of Thumb branch instructions. There is no true difference between conditional and unconditional branches in terms of operands and syntax - even unconditional branches have a predicate which is expected to match that of the IT block they are in. Yet, the encodings and the permitted size of the offset differ. Due to this, for any mnemonic there are really 4 encodings to choose for. The problem cannot be handled in the parser alone or by manipulating td files. Because the parser builds first a set of match candidates and then checks them one by one, whatever tablegen-only solution might be found will ultimately be dependent of the parser's evaluation order. What's worse is that due to the fact that all branches have the same syntax and the same kinds of operands, that order is governed by the lexicographical ordering of the names of operand classes... To circumvent all this, any necessary disambiguation is added to the instruction validation pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188067 91177308-0d34-0410-b5e6-96231b3b80d8
* Mips ELF: MicroMips direct object Little endian support. Jack Carter2013-08-083-48/+111
| | | | | | | | | Test included. Patch by Zoran Jovanovich git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188024 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "coff also doesn't have a ReadOnlySection yet, (!)"David Majnemer2013-08-081-0/+6
| | | | | | | | | | | | This reverts commit r77814. We were sticking global constants in the .data section instead of in the .rdata section when emitting for COFF. This fixes PR16831. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187956 91177308-0d34-0410-b5e6-96231b3b80d8
* Using the integrated assembler we'd fail to change section to theEric Christopher2013-08-071-0/+33
| | | | | | | | | .tbss section for zerofill thread locals. Make sure we do this before emitting the zerofills. Fixes PR15972. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187913 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add floating-point load-and-test instructionsRichard Sandiford2013-08-073-0/+74
| | | | | | | These instructions can also be used as comparisons with zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187882 91177308-0d34-0410-b5e6-96231b3b80d8
* This corrects creation of operands for t2PLDW. It also removes the ↵Mihai Popa2013-08-062-2/+7
| | | | | | | | | definition of t2PLDWpci, as pldw does not have a literal variant (i.e. pc relative version) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187804 91177308-0d34-0410-b5e6-96231b3b80d8
* Support APSR_nzcv as operand for Thumb2 mrc. Deprecate pre-UAL syntax (pc ↵Mihai Popa2013-08-062-15/+14
| | | | | | instead of apsr_nzcv) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187803 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add definitions for BRCT and BRCTGRichard Sandiford2013-08-053-0/+92
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187721 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add LOAD AND TEST instructionsRichard Sandiford2013-08-053-0/+246
| | | | | | | Just the definitions and MC support. The next patch uses them for codegen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187719 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARMv8] Add an assembler warning for the deprecated 'setend' instruction.Joey Gouly2013-08-021-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187666 91177308-0d34-0410-b5e6-96231b3b80d8
* EVEX and compressed displacement encoding for AVX512Elena Demikhovsky2013-08-011-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187576 91177308-0d34-0410-b5e6-96231b3b80d8
* Add tests for Mips DSP instructions.Vladimir Medic2013-08-011-0/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187570 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: add initial NEON supportTim Northover2013-08-0124-5/+3714
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch by Ana Pazos. - Completed implementation of instruction formats: AdvSIMD three same AdvSIMD modified immediate AdvSIMD scalar pairwise - Completed implementation of instruction classes (some of the instructions in these classes belong to yet unfinished instruction formats): Vector Arithmetic Vector Immediate Vector Pairwise Arithmetic - Initial implementation of instruction formats: AdvSIMD scalar two-reg misc AdvSIMD scalar three same - Intial implementation of instruction class: Scalar Arithmetic - Initial clang changes to support arm v8 intrinsics. Note: no clang changes for scalar intrinsics function name mangling yet. - Comprehensive test cases for added instructions To verify auto codegen, encoding, decoding, diagnosis, intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187567 91177308-0d34-0410-b5e6-96231b3b80d8
* Added the B9.3.19 SUBS PC, LR, #imm (Thumb2) system instruction.Kevin Enderby2013-07-312-0/+6
| | | | | | | | | | | | While the .td entry is nice and all, it takes a pretty gross hack in ARMAsmParser::ParseInstruction() because of handling of other "subs" instructions to get it to match. Ran it by Jim Grosbach and he said it was about what he expected to make this work given the existing code. rdar://14214063 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187530 91177308-0d34-0410-b5e6-96231b3b80d8
* [SystemZ] Add RISBLG and RISBHG instruction definitionsRichard Sandiford2013-07-314-0/+124
| | | | | | | The next patch will make use of RISBLG for codegen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187490 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed register names (and pointer keywords) to be lower case when using ↵Craig Topper2013-07-311-26/+26
| | | | | | | | | | Intel X86 assembler syntax. Patch by Richard Mitton. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187476 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements parsing of mips FCC register operands. The example ↵Vladimir Medic2013-07-301-0/+6
| | | | | | instructions have been added to test files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187410 91177308-0d34-0410-b5e6-96231b3b80d8
* Use proper section suffix for COFF weak symbolsNico Rieck2013-07-292-25/+44
| | | | | | | | | 32-bit symbols have "_" as global prefix, but when forming the name of COMDAT sections this prefix is ignored. The current behavior assumes that this prefix is always present which is not the case for 64-bit and names are truncated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187356 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Support larger COFF string tablesNico Rieck2013-07-291-0/+62
| | | | | | | Single-slash encoded entries do not require a terminating null. This bumps the maximum table size from ~1MB to ~9.5MB. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187352 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Fix FP conditional move instructions to have explicit FP condition codeAkira Hatanaka2013-07-262-0/+36
| | | | | | | | register operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187242 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Fix FP branch instructions to have explicit FP condition code registerAkira Hatanaka2013-07-264-0/+24
| | | | | | | | operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187238 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Print instructions "beq", "bne" and "or" using assembler pseudoAkira Hatanaka2013-07-263-7/+11
| | | | | | | | | | | | instructions "beqz", "bnez" and "move", when possible. beq $2, $zero, $L1 => beqz $2, $L1 bne $2, $zero, $L1 => bnez $2, $L1 or $2, $3, $zero => move $2, $3 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187229 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test cases for the various instruction alias and Intel syntax fixes that ↵Craig Topper2013-07-263-17/+380
| | | | | | have gone in lately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187188 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the mblaze backend from llvm.Rafael Espindola2013-07-2525-3115/+0
| | | | | | Approval in here http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-July/064169.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187145 91177308-0d34-0410-b5e6-96231b3b80d8
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