Nirav Dave cf83621dcd [X86] Improve code size on X86 segment moves ...

Moves of a value to a segment register from a 16-bit register is
equivalent to one from it's corresponding 32-bit register. Match gas's
behavior and rewrite instructions to the shorter of equivalent forms.

Reviewers: rnk, ab

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D23166

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@278031 91177308-0d34-0410-b5e6-96231b3b80d8

2016-08-08 18:01:04 +00:00

..

AlignedBundling

Revert r265817

2016-04-08 18:15:37 +00:00

3DNow.s

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2011-09-06-NoNewline.s

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address-size.s

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avx512-encodings.s

[AVX512] Add aliases for vcvttss2si{l|q}, vcvttsd2si{l|q}, vcvttss2usi{l|q}, vcvttsd2usi{l|q} instructions.

2016-08-03 10:58:05 +00:00

avx512-err.s

AVX-512: asm parser errors check

2015-05-12 09:47:23 +00:00

avx512bw-encoding.s

AVX-512: Added VPMOVx2M instructions for SKX,

2015-04-21 14:38:31 +00:00

avx512ifma-encoding.s

[X86] Change FeatureIFMA string to 'avx512ifma'. Matches gcc and fixes PR26461.

2016-02-08 01:23:15 +00:00

avx512ifmavl-encoding.s

[X86] Change FeatureIFMA string to 'avx512ifma'. Matches gcc and fixes PR26461.

2016-02-08 01:23:15 +00:00

avx512vbmi-encoding.s

[X86][AVX512VBMI] add encoding and intrinsics for Multishift

2016-02-01 15:48:21 +00:00

avx512vl-encoding.s

AVX512: Add encoding tests to vptestnm instructions

2015-07-28 07:00:00 +00:00

cfi_def_cfa-crash.s

[MC] Convert the last test using macho-dump under X86/ to llvm-readobj.

2015-08-12 10:36:16 +00:00

compact-unwind.s

[CompactUnwind] Fix register encoding logic

2014-12-08 18:18:32 +00:00

encoder-fail.s

Visibly fail if attempting to encode register AH,BH,CH,DH in a REX-prefixed instruction.

2015-11-11 15:51:16 +00:00

error-reloc.s

Add a triple to the test.

2016-01-13 23:13:38 +00:00

expand-var.s

Fix symbol value computation when part of the expression is weak.

2015-08-20 16:18:30 +00:00

faultmap-section-parsing.s

[FaultMaps] Add a parser for the __llvm__faultmaps section.

2015-06-22 18:03:02 +00:00

fde-reloc.s

Revert "Reapply 222538 and update tests to explicitly request small code model and PIC:"

2014-11-27 17:13:51 +00:00

fixup-cpu-mode.s

Revert r265817

2016-04-08 18:15:37 +00:00

gnux32-dwarf-gen.s

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hex-immediates.s

Revert r265817

2016-04-08 18:15:37 +00:00

i386-darwin-frame-register.ll

[PR27284] Reverse the ownership between DICompileUnit and DISubprogram.

2016-04-15 15:57:41 +00:00

imm-comments.s

[x86] avoid printing unnecessary sign bits of hex immediates in asm comments (PR20347)

2016-05-28 14:58:37 +00:00

index-operations.s

[X86] Adding support for missing variations of X86 string related instructions

2016-01-19 15:37:56 +00:00

inline-asm-obj.ll

Add a test for a recent regression.

2015-06-25 16:16:08 +00:00

intel-syntax-2.s

[x86] translating "fp" (floating point) instructions from {fadd,fdiv,fmul,fsub,fsubr,fdivr} to {faddp,fdivp,fmulp,fsubp,fsubrp,fdivrp}

2015-11-12 16:58:51 +00:00

intel-syntax-ambiguous.s

[X86] MS inline asm: produce error when encountering "<type> ptr <reg name>"

2015-12-03 12:17:03 +00:00

intel-syntax-avx512.s

AVX512F: Add GATHER/SCATTER assembler Intel syntax tests for knl/skx/avx . Change memory operand parser handling.

2016-02-25 13:30:17 +00:00

intel-syntax-bitwise-ops.s

Add support for parsing the XOR operator in Intel syntax inline assembly.

2015-06-14 12:59:45 +00:00

intel-syntax-directional-label.s

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intel-syntax-encoding.s

[MC] Fix Intel Operand assembly parsing for .set ids

2016-08-02 17:56:03 +00:00

intel-syntax-error.s

[MC] Fix Intel Operand assembly parsing for .set ids

2016-08-02 17:56:03 +00:00

intel-syntax-hex.s

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intel-syntax-invalid-basereg.s

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intel-syntax-invalid-scale.s

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intel-syntax-print.ll

Fix test from r242886 to use the right triple.

2015-07-22 11:19:22 +00:00

intel-syntax-ptr-sized.s

MC: Split the x86 asm matcher implementations by dialect

2014-08-26 20:32:34 +00:00

intel-syntax-unsized-memory.s

[MC] Reset the MCInst in the matcher function before adding opcode/operands.

2014-12-16 18:05:28 +00:00

intel-syntax-x86-64-avx512f_vl.s

AVX512F: Add GATHER/SCATTER assembler Intel syntax tests for knl/skx/avx . Change memory operand parser handling.

2016-02-25 13:30:17 +00:00

intel-syntax-x86-64-avx.s

AVX512F: Add GATHER/SCATTER assembler Intel syntax tests for knl/skx/avx . Change memory operand parser handling.

2016-02-25 13:30:17 +00:00

intel-syntax.s

AVX512F: Add GATHER/SCATTER assembler Intel syntax tests for knl/skx/avx . Change memory operand parser handling.

2016-02-25 13:30:17 +00:00

invalid_opcode.s

[llvm-objdump] Print <unknown> in place of instruction text if it couldn't be disassembled.

2016-03-18 16:26:48 +00:00

invalid-sleb.s

Produce an error instead of asserting on invalid .sleb128/.uleb128.

2015-03-25 00:25:37 +00:00

large-bss.s

Fix pr24832.

2015-11-05 00:10:08 +00:00

lit.local.cfg

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macho-reloc-errors-x86_64.s

X86: produce more friendly errors during MachO relocation handling

2015-12-08 18:31:35 +00:00

macho-reloc-errors-x86.s

X86: produce more friendly errors during MachO relocation handling

2015-12-08 18:31:35 +00:00

macho-uleb.s

Remove HasLEB128.

2014-08-15 14:01:07 +00:00

mpx-encodings.s

[X86] Decode MPX BND registers.

2016-07-14 14:53:21 +00:00

no-elf-compact-unwind.s

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padlock.s

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pr28547.s

[X86][MC] Fix bracket expression parsing in intel-style assembly.

2016-07-14 17:37:05 +00:00

relax-insn.s

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reloc-bss.s

[MC] Don't crash when trying to emit a relocation against .bss.

2016-07-26 18:16:33 +00:00

reloc-directive.s

[MC] Add support for encoding CodeView variable definition ranges

2016-02-05 01:55:49 +00:00

reloc-macho.s

Don't produce relocations for a difference in a section with no symbols.

2014-11-04 22:10:33 +00:00

reloc-undef-global.s

Update tests to not be as dependent on section numbers.

2015-04-15 15:59:37 +00:00

ret.s

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sgx-encoding.s

Add support for the X86 secure guard extensions instructions in assembler (SGX).

2014-07-31 23:57:38 +00:00

shuffle-comments.s

[X86] And also test INSERTPS shuffle mask pretty-printing.

2014-12-15 19:47:35 +00:00

stackmap-nops.ll

[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction

2015-04-16 23:24:18 +00:00

validate-inst-att.s

[X86] Change the immediate for IN/OUT instructions to u8imm so the assembly parser will check the size.

2015-10-12 04:17:55 +00:00

validate-inst-intel.s

[X86] Remove special validation for INT immediate operand from AsmParser. Instead mark its operand type as u8imm which will cause it to fail to match. This is more consistent with other instruction behavior.

2015-10-11 18:27:24 +00:00

variant-diagnostics.s

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x86_64-avx-clmul-encoding.s

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x86_64-avx-encoding.s

Add the "vbroadcasti128" instruction back.

2015-03-11 17:29:03 +00:00

x86_64-bmi-encoding.s

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x86_64-encoding.s

[X86] Make fxsave64/fxrstor64/xsave64/xsrstor64/xsaveopt64 parseable in AT&T syntax. Also make them the default output.

2015-02-03 11:03:57 +00:00

x86_64-fma3-encoding.s

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x86_64-fma4-encoding.s

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x86_64-hle-encoding.s

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x86_64-imm-widths.s

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x86_64-rand-encoding.s

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x86_64-rtm-encoding.s

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x86_64-signed-reloc.s

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x86_64-sse4a.s

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x86_64-tbm-encoding.s

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x86_64-xop-encoding.s

[X86] Add support for parsing and printing the mnemonic aliases for the XOP VPCOM instructions.

2015-02-13 07:42:25 +00:00

x86_directives.s

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x86_errors.s

[X86] Add test cases for r261977 and fix a grammatical error.

2016-02-26 06:50:24 +00:00

x86_long_nop.s

[X86] Restrict max long nop length for Lakemont.

2016-04-11 10:07:36 +00:00

x86_nop.s

Revert r253557 "Alternative to long nops for X86 CPUs, by Andrey Turetsky"

2016-02-19 21:26:31 +00:00

x86_operands.s

X86 MC: Don't crash on empty memory operand parens

2014-07-31 23:26:35 +00:00

x86-16.s

[X86] Improve code size on X86 segment moves

2016-08-08 18:01:04 +00:00

x86-32-avx.s

[X86] Improve parsing support AVX/SSE floating point compare instruction mnemonic aliases. They'll now print with the alias the parser received instead of converting to the explicit immediate form.

2015-02-14 21:54:03 +00:00

x86-32-coverage.s

[X86] Add AMD mwaitx, monitorx, and clzero instructions to the assembly parser and disassembler.

2015-10-21 17:26:45 +00:00

x86-32-fma3.s

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x86-32-ms-inline-asm.s

[x86 asm] allow fwait alias in both At&t and Intel modes (PR21208)

2014-10-14 21:41:17 +00:00

x86-32.s

[X86] Improve code size on X86 segment moves

2016-08-08 18:01:04 +00:00

x86-64-avx512bw_vl.s

[AVX512] VPACKUSWB/VPACKSSWB should not be encoded with EVEX.W=1. While there fix the execution domain for VPACKSSDW/VPACKUSDW.

2016-05-01 17:38:32 +00:00

x86-64-avx512bw.s

[AVX512] VPACKUSWB/VPACKSSWB should not be encoded with EVEX.W=1. While there fix the execution domain for VPACKSSDW/VPACKUSDW.

2016-05-01 17:38:32 +00:00

x86-64-avx512cd_vl.s

[X86][AVX512] small bugfix in VPBROADCASTM

2015-11-05 08:08:21 +00:00

x86-64-avx512cd.s

AVX512: Implemented encoding and intrinsics for vplzcntq, vplzcntd, vpconflictq, vpconflictd

2015-09-03 09:05:31 +00:00

x86-64-avx512dq_vl.s

AVX512: Implemented encoding and intrinsics for VBROADCASTI32x2 and VBROADCASTF32x2 instructions.

2015-11-02 07:39:36 +00:00

x86-64-avx512dq.s

[AVX-512] Make spacing between comma and {sae} operand consistent in asm strings.

2016-01-11 00:44:52 +00:00

x86-64-avx512f_vl.s

AVX512: Implemented encoding, intrinsics and DAG lowering for VMOVDDUP instructions.

2015-11-19 08:26:56 +00:00

x86-64.s

Permit memory operands in ins/outs instructions

2016-06-29 19:54:27 +00:00

x86-branch-relaxation.s

Fix branch relaxation in 16-bit mode.

2016-07-11 14:23:53 +00:00

x86-evenDirective.s

I Added a triple flag for x86-evenDirective test.

2015-12-13 21:12:33 +00:00

x86-itanium.ll

MC: fix MCAsmInfo usage for windows-itanium

2014-07-17 16:27:40 +00:00

x86-target-directives.s

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x86-windows-itanium-libcalls.ll

X86: correct library call setup for Windows itanium

2014-07-24 17:46:36 +00:00

X86_64-pku.s

Fix several accidental DOS line endings in source files

2016-01-03 17:22:03 +00:00