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2012-09-19Support default parameters/arguments for assembler macros.Preston Gurd
This patch is based on the one by PaX Team. Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-19Enhance unmatched '.endr' directive error message in assembler.Preston Gurd
The directive can be matched with directives other than '.rept' Patch by Andy Zhang! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Tidy up. Minor formatting.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164182 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18Tidy up. 80 columns.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164181 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
2012-09-18Replaced ReInitMCSubtargetInfo with InitMCProcessor.Andrew Trick
Now where we used to call ReInitMCSubtargetInfo, we actually recompute the same information as InitMCSubtargetInfo instead of only setting the feature bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164105 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-18TargetSchedModel API. Implement latency lookup, disabled.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164098 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
2012-09-17Revert 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
2012-09-17InitMCProcessorAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164066 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-17TargetSchedModel API. Implement latency lookup, disabled.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164065 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
2012-09-15Use LLVM_DELETED_FUNCTION in place of 'DO NOT IMPLEMENT' comments.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163970 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14TargetSchedModel interface. To be implemented...Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163934 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-14Define MC data tables for the new scheduling machine model.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163933 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
2012-09-13Assembler: Darwin variables defined via .set are no-dead-strip.Jim Grosbach
For gas compatibility. rdar://12219394 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163854 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-13MachO: Correctly mark symbol-difference variables as N_ABS.Jim Grosbach
.set a, b - c + CONSTANT d = b - c + CONSTANT Both 'a' and 'd' should be marked as absolute symbols (N_ABS). rdar://12219394 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-12Release build: guard dump functions withManman Ren
"#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)" No functional change. Update r163344. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163679 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-11Add MCRI::getNumSubRegIndices() and start checking SubRegIndex ranges.Jakob Stoklund Olesen
Apparently, NumSubRegIndices was completely unused before. Adjust it by one to include the null subreg index, just like getNumRegs() includes the null register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163628 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-10Remove redundant semicolons which are null statements.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163547 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07Fix alignment of .comm and .lcomm on mingw32.Benjamin Kramer
For some reason .lcomm uses byte alignment and .comm log2 alignment so we can't use the same setting for both. Fix this by reintroducing the LCOMM enum. I verified this against mingw's gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163420 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07Contrary to what the documentation says, .lcomm alignment on COFF is in ↵Benjamin Kramer
bytes, not power of 2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163405 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-07MC: Overhaul handling of .lcommBenjamin Kramer
- Darwin lied about not supporting .lcomm and turned it into zerofill in the asm parser. Push the zerofill-conversion down into macho-specific code. - This makes the tri-state LCOMMType enum superfluous, there are no targets without .lcomm. - Do proper error reporting when trying to use .lcomm with alignment on a target that doesn't support it. - .comm and .lcomm alignment was parsed in bytes on COFF, should be power of 2. - Fixes PR13755 (.lcomm crashes on ELF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163395 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-06Release build: guard dump functions with "ifndef NDEBUG"Manman Ren
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-09-05Constify subtarget info properly so that we dont cast away the const inRoman Divacky
the SubtargetInfoKV tables. Found by gcc48 -Wcast-qual. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Allow targets to specify a minimum supported NOP size when performing NOP ↵Owen Anderson
padding. If the desired padding is smaller than the supported NOP size, we will enlarge the padding to make it work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162870 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-29Add virtual keywords for methods that override the base class.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162826 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-27Fix comment.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162678 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-24Lower constant pools and jump tables via TOC on PPC64/SVR4.Roman Divacky
In collaboration with Adhemerval Zanella. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162562 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-23Fix a bunch of -Wdocumentation warnings.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22Reduce duplicated hash map lookups.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-22For mips64 switch statements in subroutines could generate Jack Carter
within the codegen EK_GPRel64BlockAddress. This was not supported for direct object output and resulted in an assertion. This change adds support for EK_GPRel64BlockAddress for direct object. One fallout from this is to turn on rela relocations for mips64 to match gas. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Fix macros arguments with an underscore, dot or dollar in them. This is basedRafael Espindola
on a patch by Andy/PaX. I added the support for dot and dollar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162298 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Make the wording in of the "expected identifier" error in the .macro directiveRafael Espindola
consistent with the other "expected identifier" errors. Extracted from the Andy/PaX patch. I added the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162291 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Use typedefs. Fix indentation. Extracted from the Andy/PaX patch.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Remove unused variable. Extracted from the Andy/PaX patch.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162282 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-21Fix typo. Extracted from the Andy/PaX patch.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-12When emitting the PC range in an FDE, use the same data encoding for both endsNick Lewycky
of the range. Fixes PR13581! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Move [SU]LEB128 encoding to a utility header.Jim Grosbach
These functions are very generic. There's no reason for them to be tied to MCObjectWriter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Typedefs and indentation fixes from the Andy Zhang/PAX macro argument patch.Rafael Espindola
Committing it first as it makes the "real" patch a lot easier to read. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161491 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Fix for .pdata and .xdata section attributes on COFF.Anton Korobeynikov
Patch by kai@redstar.de ! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161487 91177308-0d34-0410-b5e6-96231b3b80d8
2012-08-08Add `.pushsection', `.popsection', and `.previous' directives to Darwin ASM.Bill Wendling
There are situations where inline ASM may want to change the section -- for instance, to create a variable in the .data section. However, it cannot do this without (potentially) restoring to the wrong section. E.g.: asm volatile (".section __DATA, __data\n\t" ".globl _fnord\n\t" "_fnord: .quad 1f\n\t" ".text\n\t" "1:" :::); This may be wrong if this is inlined into a function that has a "section" attribute. The user should use `.pushsection' and `.popsection' here instead. The addition of `.previous' is added for completeness. <rdar://problem/12048387> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161477 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-30Keep empty assembly macro argument values in the middle of the list.Jim Grosbach
Empty macro arguments at the end of the list should be as-if not specified at all, but those in the middle of the list need to be kept so as not to screw up the positional numbering. E.g.: .macro foo foo_-bash___: nop .endm foo 1, 2, 3, 4 foo 1, , 3, 4 Should create two labels, "foo_1_2_3_4" and "foo_1__3_4". rdar://11948769 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161002 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-27Give MCRegisterInfo an implementation file.Jakob Stoklund Olesen
Move some functions from MCRegisterInfo.h that don't need to be inline. This shrinks llc by 8K. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160865 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-23Fix a typo (the the => the)Sylvestre Ledru
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160621 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-21Add VK_Mips_HIGHER and VK_Mips_HIGHEST to MCSymbolRefExpr::VariantKind.Akira Hatanaka
Test case will be added later when long branch patch is checked in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160597 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-19Remove tabs.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-18Whitespace.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160445 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-07I'm introducing a new machine model to simultaneously allow simpleAndrew Trick
subtarget CPU descriptions and support new features of MachineScheduler. MachineModel has three categories of data: 1) Basic properties for coarse grained instruction cost model. 2) Scheduler Read/Write resources for simple per-opcode and operand cost model (TBD). 3) Instruction itineraties for detailed per-cycle reservation tables. These will all live side-by-side. Any subtarget can use any combination of them. Instruction itineraries will not change in the near term. In the long run, I expect them to only be relevant for in-order VLIW machines that have complex contraints and require a precise scheduling/bundling model. Once itineraries are only actively used by VLIW-ish targets, they could be replaced by something more appropriate for those targets. This tablegen backend rewrite sets things up for introducing MachineModel type #2: per opcode/operand cost model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159891 91177308-0d34-0410-b5e6-96231b3b80d8
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