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* Replace coff-/elf-dump with llvm-readobjNico Rieck2013-04-1213-177/+169
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179361 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Make "SMC" instructions conditional on new TrustZone architecture feature.Tim Northover2013-04-103-9/+49
| | | | | | | | | | | | These instructions aren't universally available, but depend on a specific extension to the normal ARM architecture (rather than, say, v6/v7/...) so a new feature is appropriate. This also enables the feature by default on A-class cores which usually have these extensions, to avoid breaking existing code and act as a sensible default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179171 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix pr13145 - Naming a function like a register name confuses the asm parser.Chad Rosier2013-03-191-0/+5
| | | | | | | Patch by Stepan Dyatkovskiy <stpworld@narod.ru> rdar://13457826 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177463 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: permit full range of valid ADR immediates.Tim Northover2013-02-271-0/+4
| | | | | | | | | This fixes an issue where trying to assemlbe valid ADR instructions would cause LLVM to hit a failed assertion. Patch by Keith Walker. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176189 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Convenience aliases for 'srs*' instructions.Jim Grosbach2013-02-232-0/+69
| | | | | | | | Handle an implied 'sp' operand. rdar://11466783 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175940 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ARMAsmPrinter generate the correct alignment specifier syntax in ↵Kristof Beyls2013-02-224-155/+155
| | | | | | | | | | | instructions. The Printer will now print instructions with the correct alignment specifier syntax, like vld1.8 {d16}, [r0:64] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175884 91177308-0d34-0410-b5e6-96231b3b80d8
* If bundle alignment is enabled, do not add data to a fragment with instructionsDerek Schuff2013-02-151-2/+13
| | | | | | | | | | | | With bundle alignment, instructions all get their own MCFragments (unless they are in a bundle-locked group). For instructions with fixups, this is an MCDataFragment. Emitting actual data (e.g. for .long) attempts to re-use MCDataFragments, which we don't want int this case since it leads to fragments which exceed the bundle size. So, don't reuse them in this case. Also adds a test and fixes some formatting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175316 91177308-0d34-0410-b5e6-96231b3b80d8
* The ARM NEON vector compare instructions take three arguments. However, the Joel Jones2013-02-141-1/+67
| | | | | | | | | | | | | | | assembler should also accept a two arg form, as the docuemntation specifies that the first (destination) register is optional. This patch uses TwoOperandAliasConstraint to add the two argument form. It also fixes an 80-column formatting problem in: test/MC/ARM/neon-bitwise-encoding <rdar://problem/12909419> Clang rejects ARM NEON assembly instructions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175221 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ARMAsmParser accept the correct alignment specifier syntax in instructions.Kristof Beyls2013-02-144-151/+167
| | | | | | | | | | | The parser will now accept instructions with alignment specifiers written like vld1.8 {d16}, [r0:64] , while also still accepting the incorrect syntax vld1.8 {d16}, [r0, :64] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175164 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a special ARM trap encoding for NaCl.Eli Bendersky2013-01-301-4/+11
| | | | | | | | | | More details in this thread: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130128/163783.html Patch by JF Bastien git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173943 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch implements runtime ARM specificJack Carter2013-01-302-1/+13
| | | | | | | | | | setting of ELF header e_flags. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173885 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch reworks how llvm targets set Jack Carter2013-01-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | and update ELF header e_flags. Currently gathering information such as symbol, section and data is done by collecting it in an MCAssembler object. From MCAssembler and MCAsmLayout objects ELFObjectWriter::WriteObject() forms and streams out the ELF object file. This patch just adds a few members to the MCAssember class to store and access the e_flag settings. It allows for runtime additions to the e_flag by assembler directives. The standalone assembler can get to MCAssembler from getParser().getStreamer().getAssembler(). This patch is the generic infrastructure and will be followed by patches for ARM and Mips for their target specific use. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173882 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some additional tests for the .bundle_lock align_to_end feature that didn'tEli Bendersky2013-01-071-0/+41
| | | | | | | | | | | make into the last commit. Also, update the test-generation script to generate an exhaustive test for align_to_end as well, and include the generated test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171811 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the align_to_end option to .bundle_lock in the MC implementation of alignedEli Bendersky2013-01-071-1/+1
| | | | | | | | | | bundling. The document describing this feature and the implementation has also been updated: https://sites.google.com/a/chromium.org/dev/nativeclient/pnacl/aligned-bundling-support-in-llvm git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171797 91177308-0d34-0410-b5e6-96231b3b80d8
* Tests for the aligned bundling support added in r170718Eli Bendersky2012-12-202-0/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170719 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure the alternate PC+imm syntax of LDR instruction with a smallKevin Enderby2012-12-141-0/+4
| | | | | | | | | immediate generates the narrow version. Needed when doing round-trip assemble/disassemble testing using the alternate syntax that specifies 'pc' directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170255 91177308-0d34-0410-b5e6-96231b3b80d8
* revert the test changeHao Liu2012-12-111-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169823 91177308-0d34-0410-b5e6-96231b3b80d8
* A newbie try a test commitHao Liu2012-12-111-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169821 91177308-0d34-0410-b5e6-96231b3b80d8
* Added Mapping Symbols for ARM ELFTim Northover2012-12-0710-17/+272
| | | | | | | | | | Before this patch, when you objdump an LLVM-compiled file, objdump tried to decode data-in-code sections as if they were code. This patch adds the missing Mapping Symbols, as defined by "ELF for the ARM Architecture" (ARM IHI 0044D). Patch based on work by Greg Fitzgerald. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169609 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert an improper CodeGen test to a MC test.Evan Cheng2012-11-101-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167663 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Better disassembly for pc-relative LDR.Jim Grosbach2012-10-301-2/+2
| | | | | | | | | When the operand is a plain immediate rather than a label, print it as [pc, #imm] like we do for the Thumb2 wide encoding variant. rdar://12154503 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166991 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix ARM's b.w instruction for thumb 2 and the encoding T4. The branch targetKevin Enderby2012-10-291-0/+12
| | | | | | | | is 24 bits not 20 and the decoding needed to correctly handle converting the J1 and J2 bits to their I1 and I2 values to reconstruct the displacement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166982 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case for r165480.Craig Topper2012-10-101-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165594 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: 'add Rd, pc, #imm' is an alias for 'adr Rd, #imm'.Jim Grosbach2012-09-251-0/+4
| | | | | | rdar://9795790 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164577 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix edge cases of ARM shift operands in arith instructions.Tim Northover2012-09-222-0/+88
| | | | | | | | | As before with load instructions, oddities like "asr #32", "rrx" could be printed incorrectly. Patch by Chris Lidbury. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164456 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the handling of edge cases in ARM shifted operands.Tim Northover2012-09-222-0/+116
| | | | | | | | | This patch fixes load/store instructions to handle less common cases like "asr #32", "rrx" properly throughout the MC layer. Patch by Chris Lidbury. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164455 91177308-0d34-0410-b5e6-96231b3b80d8
* Support fpv4 for ARM Cortex-M4.Jiangning Liu2012-08-021-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161163 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix #13035, a bug around Thumb instruction LDRD/STRD with negative #0 offset ↵Jiangning Liu2012-08-021-0/+12
| | | | | | index issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161162 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix #13138, a bug around ARM instruction DSB encoding and decoding issue.Jiangning Liu2012-08-022-0/+142
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161161 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix #13241, a bug around shift immediate operand for ARM instruction ADR.Jiangning Liu2012-08-022-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161159 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix instruction description of VMOV (between two ARM core registers and two ↵Richard Barton2012-07-101-0/+21
| | | | | | single-precision resiters) (and do it properly this time! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159989 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r159938 (and r159945) to appease the buildbots.Chad Rosier2012-07-091-21/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159960 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix instruction description of VMOV (between two ARM core registers and two ↵Richard Barton2012-07-091-0/+21
| | | | | | single-precision resiters) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159938 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent ARM assembler from losing a right shift by #32 applied to a registerRichard Barton2012-07-091-0/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159937 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the assembler to use the narrow thumb encodings of various ↵Richard Barton2012-07-091-0/+807
| | | | | | three-register dp instructions where permissable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159935 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach assembler to handle capitalised operation values for DSB instructionsRichard Barton2012-06-271-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159259 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Add a better diagnostic for some out of range immediates.Jim Grosbach2012-06-222-8/+8
| | | | | | | | | | | As an example of how the custom DiagnosticType can be used to provide better operand-mismatch diagnostics, add a custom diagnostic for the imm0_15 operand class used for several system instructions. Update the tests to expect the improved diagnostic. rdar://8987109 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159051 91177308-0d34-0410-b5e6-96231b3b80d8
* Have ARM ELF use correct reloc for "b" instr.Jan Wen Voung2012-06-191-1/+11
| | | | | | | The condition code didn't actually matter for arm "b" instructions, unlike "bl". It should just use the R_ARM_JUMP24 reloc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158722 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Define generic HINT instruction.Jim Grosbach2012-06-182-8/+34
| | | | | | | | | | | The NOP, WFE, WFI, SEV and YIELD instructions are all hints w/ a different immediate value in bits [7,0]. Define a generic HINT instruction and refactor NOP, WFI, WFI, SEV and YIELD to be assembly aliases of that. rdar://11600518 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158674 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the encoding of the armv7m (MClass) for MSR registers other than aspr,Kevin Enderby2012-06-151-10/+10
| | | | | | | iaspr, espr and xpsr which also needed to have 0b10 in their mask encoding bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158560 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace assertion failure for badly formatted CPS instrution with error message.Richard Barton2012-06-141-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158445 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor data-in-code annotations.Jim Grosbach2012-05-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | Use a dedicated MachO load command to annotate data-in-code regions. This is the same format the linker produces for final executable images, allowing consistency of representation and use of introspection tools for both object and executable files. Data-in-code regions are annotated via ".data_region"/".end_data_region" directive pairs, with an optional region type. data_region_directive := ".data_region" { region_type } region_type := "jt8" | "jt16" | "jt32" | "jta32" end_data_region_directive := ".end_data_region" The previous handling of ARM-style "$d.*" labels was broken and has been removed. Specifically, it didn't handle ARM vs. Thumb mode when marking the end of the section. rdar://11459456 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157062 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the encoding of the armv7m (MClass) for MSR APSR writes which was missingKevin Enderby2012-05-171-4/+28
| | | | | | | | | | | the 0b10 mask encoding bits. Make MSR APSR writes without a _<bits> qualifier an alias for MSR APSR_nzcvq even though ARM as deprecated it use. Also add support for suffixes (_nzcvq, _g, _nzcvqg) for APSR versions. Some FIXMEs in the code for better error checking when versions shouldn't be used. rdar://11457025 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157019 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed the LLVM ARM v7 assembler and instruction printer for 8-bit immediate ↵Silviu Baranga2012-05-111-0/+3
| | | | | | offset addressing. The assembler and instruction printer were not properly handeling the #-0 immediate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156608 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix issues with the ARM bl and blx thumb instructions and the J1 and J2 bitsKevin Enderby2012-05-031-2/+2
| | | | | | | | | | for the assembler and disassembler. Which were not being set/read correctly for offsets greater than 22 bits in some cases. Changes to lib/Target/ARM/ARMAsmBackend.cpp from Gideon Myles! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156118 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Add missing two-operand VBIC aliases.Jim Grosbach2012-05-021-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156019 91177308-0d34-0410-b5e6-96231b3b80d8
* Disallow YIELD and other allocated nop hints in pre-ARMv6 architectures.Richard Barton2012-05-023-17/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155983 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Add a few missing add->sub aliases w/ 'w' suffix.Jim Grosbach2012-05-011-0/+12
| | | | | | | | | | | | | | Aliases for adding a negative immediate when using an explicit 'w' suffix. E.g., adds.w r2, #-16 adds.w r2, r2, #-16 addw r2, #-16 addw r2, #-16 addw r2, r2, #-16 rdar://11330769 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155946 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: allow vanilla expressions for movw/movt.Jim Grosbach2012-05-011-0/+5
| | | | | | | | | | Expressions for movw/movt don't always have an :upper16: or :lower16: on them and that's ok. When they don't, it's just a plain [0-65536] immediate result, effectively the same as a :lower16: variant kind. rdar://10550147 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155941 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Thumb add(sp plus register) asm constraints.Jim Grosbach2012-04-272-0/+7
| | | | | | | | | | Make sure when parsing the Thumb1 sp+register ADD instruction that the source and destination operands match. In thumb2, just use the wide encoding if they don't. In Thumb1, issue a diagnostic. rdar://11219154 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155748 91177308-0d34-0410-b5e6-96231b3b80d8
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