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Saleem Abdulrasool 85b43639b1 AArch64: support .cpu directive 
Add support for the AArch64 .cpu directive.  This is a slightly involved
directive since the parameter is actually a variable encoded string.  The
general structure is:

  <cpu>[[+-]<feature>]*

We now map some of the supported string names for features for internal
representation of feature flags.  If we encounter one which we do not support,
bail out as we cannot validate the assembly any longer.

Resolves PR27010.

llvm-svn: 265240
 		2016-04-02 19:29:52 +00:00
..
adrp-relocation.s Update AArch64 ELF relocations to ABI 1.0 2014-11-26 10:49:18 +00:00
alias-addsubimm.s [AArch64] Implement add/adds/sub/subs/cmp/cmn with negative immediate aliases 2015-07-01 15:05:58 +00:00
alias-logicalimm.s [AArch64] Add logical alias instructions to MC AsmParser 2014-07-10 15:12:26 +00:00
arm64-adr.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-advsimd.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
arm64-aliases.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-arithmetic-encoding.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-arm64-fixup.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-basic-a64-instructions.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-be-datalayout.s AArch64: remove "arm64_be" support in favour of "aarch64_be". 2014-07-23 12:58:11 +00:00
arm64-bitfield-encoding.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-branch-encoding.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-condbr-without-dots.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-crypto.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-diagno-predicate.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-diags.s [AArch64] Check the size of the vector before accessing its elements. 2015-10-13 18:55:34 +00:00
arm64-directive_loh.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-elf-reloc-condbr.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
arm64-elf-relocs.s Update AArch64 ELF relocations to ABI 1.0 2014-11-26 10:49:18 +00:00
arm64-fp-encoding-error.s AArch64: disallow "fmov sD, #-0.0" during assembly. 2015-04-07 22:49:47 +00:00
arm64-fp-encoding.s [AArch64] Add ARMv8.2-A FP16 scalar instructions 2015-11-27 13:04:48 +00:00
arm64-large-relocs.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-leaf-compact-unwind.s [llvm-readobj] MachO -- correctly dump section field 'Reserved3' 2015-09-01 16:29:02 +00:00
arm64-logical-encoding.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-mapping-across-sections.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-mapping-within-section.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-memory.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-nv-cond.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-optional-hash.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-separator.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-simd-ldst.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-small-data-fixups.s [tests] Use llvm-readobj instead of macho-dump. 2015-07-28 21:58:08 +00:00
arm64-spsel-sysreg.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-system-encoding.s [AArch64] Allow access to all system registers with MRS/MSR instructions. 2014-10-01 10:13:59 +00:00
arm64-target-specific-sysreg.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-tls-modifiers-darwin.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-tls-relocs.s Update AArch64 ELF relocations to ABI 1.0 2014-11-26 10:49:18 +00:00
arm64-v128_lo-diagnostics.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-variable-exprs.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-vector-lists.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
arm64-verbose-vector-case.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
armv8.1a-atomic.s AArch64: fix typo in SMIN far atomics and add tests 2015-06-02 18:37:20 +00:00
armv8.1a-lor.s [AArch64] LORID_EL1 register must be treated as read-only 2015-04-20 16:54:37 +00:00
armv8.1a-pan.s [MC layer][AArch64] llvm-mc accepts 4-bit immediate values for 2015-10-05 13:42:31 +00:00
armv8.1a-rdma.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
armv8.1a-vhe.s [AArch64] Add v8.1a "Virtualization Host Extensions" 2015-04-16 15:38:58 +00:00
armv8.2a-at.s [AArch64] Add ARMv8.2-A new AT instruction variants 2015-11-26 15:34:44 +00:00
armv8.2a-mmfr2.s [AArch64] Add ARMv8.2-A ID_A64MMFR2_EL1 register 2015-11-26 15:26:10 +00:00
armv8.2a-persistent-memory.s [AArch64] Add ARMv8.2-A persistent memory instruction 2015-11-26 15:28:47 +00:00
armv8.2a-statistical-profiling.s [AArch64] Add ARMv8.2-A Statistical Profiling Extension 2015-12-01 10:48:51 +00:00
armv8.2a-uao.s [AArch64] Add ARMv8.2-A UAO PSTATE bit 2015-11-26 15:32:30 +00:00
basic-a64-diagnostics.s [AArch64] Add ARMv8.2-A FP16 scalar instructions 2015-11-27 13:04:48 +00:00
basic-a64-instructions.s AArch64: add rev64 alias for 64-bit rev instruction. 2015-07-14 17:07:29 +00:00
basic-pic.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
case-insen-reg-names.s [AArch64] AsmParser should be case insensitive about accepting vector register names. 2015-06-08 21:32:16 +00:00
cyclone-crc.s AArch64: remove CRC feature from Cyclone. 2016-02-24 18:10:17 +00:00
directive-cpu.s AArch64: support .cpu directive 2016-04-02 19:29:52 +00:00
dot-req-case-insensitive.s aarch64: support target-specific .req assembler directive 2014-07-02 04:50:23 +00:00
dot-req-diagnostics.s aarch64: support target-specific .req assembler directive 2014-07-02 04:50:23 +00:00
dot-req.s Fix some unnoticed/unwanted behavior change from r222319. 2015-02-04 03:10:03 +00:00
elf-extern.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-globaladdress.ll Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-objdump.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
elf-reloc-addsubimm.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-reloc-ldrlit.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-reloc-ldstunsimm.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-reloc-movw.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-reloc-pcreladdressing.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-reloc-tstb.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf-reloc-uncondbrimm.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
elf_osabi_flags.s Restore test coverage for other than ELFOSABI_NONE 2015-09-24 23:01:16 +00:00
error-location-ldr-pseudo.s [ARM,AArch64] Store source location of asm constant pool entries 2015-11-16 16:25:47 +00:00
error-location.s [AArch64] Replace some uses of report_fatal_error with reportError in AArch64 ELF object writer 2016-03-23 13:45:03 +00:00
expr-shr.s [MC] Use LShr for constant evaluation of ">>" on ELF/arm64--darwin. 2015-04-28 01:37:11 +00:00
fixup-out-of-range.s [AArch64] Better errors for out-of-range fixups 2016-04-01 09:14:50 +00:00
fullfp16-diagnostics.s [AArch64] Fix FP16 vector instructions that should only accept low registers 2015-12-09 14:32:11 +00:00
fullfp16-neon-neg.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
gicv3-regs-diagnostics.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
gicv3-regs.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
inline-asm-modifiers.s Update AArch64 ELF relocations to ABI 1.0 2014-11-26 10:49:18 +00:00
inst-directive-diagnostic.s [AArch64] Add support for the .inst directive. 2014-10-22 20:35:57 +00:00
inst-directive.s Followup to 258750; update this test to use .p2align . 2016-01-26 00:17:24 +00:00
jump-table.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
ldr-pseudo-diagnostics.s [AArch64] ldr= pseudo-instruction silently ignored if register invalid 2015-11-16 10:25:19 +00:00
ldr-pseudo-obj-errors.s [AArch64] Better errors for out-of-range fixups 2016-04-01 09:14:50 +00:00
ldr-pseudo.s Followup to 258750; update all MC tests to use .p2align . 2016-01-26 00:27:59 +00:00
lit.local.cfg Reduce verbiage of lit.local.cfg files 2014-06-09 22:42:55 +00:00
mapping-across-sections.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
mapping-within-section.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-2velem.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-3vdiff.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-aba-abd.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-across.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-add-pairwise.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-add-sub-instructions.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-bitwise-instructions.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-compare-instructions.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-crypto.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-diagnostics.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-extract.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-facge-facgt.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-frsqrt-frecp.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-halving-add-sub.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-max-min-pairwise.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-max-min.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-mla-mls-instructions.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-mov.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-mul-div-instructions.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-perm.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-rounding-halving-add.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-rounding-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-saturating-add-sub.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-saturating-rounding-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-saturating-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-abs.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-add-sub.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-by-elem-mla.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-by-elem-mul.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-by-elem-saturating-mla.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-by-elem-saturating-mul.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-compare.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-cvt.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-dup.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-extract-narrow.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-fp-compare.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-mul.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-neg.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-recip.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-reduce-pairwise.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-scalar-rounding-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-saturating-add-sub.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-saturating-rounding-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-saturating-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-shift-imm.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-scalar-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-shift-left-long.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-shift.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-simd-copy.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-simd-ldst-multi-elem.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-simd-ldst-one-elem.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-simd-misc.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-simd-post-ldst-multi-elem.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-simd-shift.s [AArch64] Add ARMv8.2-A FP16 vector instructions 2015-12-08 12:16:10 +00:00
neon-sxtl.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
neon-tbl.s AArch64/ARM64: remove AArch64 from tree prior to renaming ARM64. 2014-05-24 12:42:26 +00:00
neon-uxtl.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
noneon-diagnostics.s [AArch64] Improve short-form diags on long-form Match_InvalidOperand. 2015-08-19 17:40:19 +00:00
optional-hash.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
single-slash.s MC: AsmLexer: handle multi-character CommentStrings correctly 2014-08-14 02:51:43 +00:00
tls-relocs.s Update tests to not be as dependent on section numbers. 2015-04-15 15:59:37 +00:00
trace-regs-diagnostics.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00
trace-regs.s AArch64/ARM64: move ARM64 into AArch64's place 2014-05-24 12:50:23 +00:00