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2011-04-09fix rdar://8735979 - "int 3" doesn't match to "int3". Unfortunately,Chris Lattner
InstAlias doesn't allow matching immediate operands, so we have to write C++ code to do this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129223 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-18Support explicit argument forms for the X86 string instructions.Joerg Sonnenberger
For now, only the default segments are supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127875 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Use the same (%dx) hack for in[bwl] as for out[bwl].Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126244 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-04MC/AsmParser: Add support for allowing the conversion process to fail (viaDaniel Dunbar
custom conversion functions). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124872 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27Introduce virtual ParseRegister method in TargetAsmParser.Roman Divacky
Create override of this method in X86/ARM/MBlaze. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124378 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-08Allow a slash, '/', as a prefix separator for X86. rdar://8741045Kevin Enderby
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121320 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-28fix PR8686, accepting a 'b' suffix at the end of all the setccChris Lattner
instructions. I choose to handle this with an asmparser hack, though it could be handled by changing all the instruction definitions to allow be "setneb" instead of "setne". The asm parser hack is better in this case, because we want the disassembler to produce setne, not setneb. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120260 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-27Implement the data16 prefix.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120224 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-23Implement the rex64 prefix.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120017 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18trivial QoI improvement. On this invalid input:Chris Lattner
sahf movl 344(%rdi),%r14d we used to produce: t.s:2:1: error: unexpected token in argument list ^ we now produce: t.s:1:11: error: unexpected token in argument list sahf movl 344(%rdi),%r14d ^ rdar://8581401 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119676 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move the "sh[lr]d op,op" -> "shld $1, op,op" aliases to the .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118361 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06rework the rotate-by-1 instructions to be defined like theChris Lattner
shift-by-1 instructions, where the asmstring doesn't contain the implicit 1. It turns out that a bunch of these rotate instructions were completely broken because they used 1 instead of $1. This fixes assembly mismatches on "rclb $1, %bl" and friends, where we used to generate the 3 byte form, we now generate the proper 2-byte form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118355 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move the plethora of fp stack aliases to the .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118353 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06add (and document) the ability for alias results to haveChris Lattner
fixed physical registers. Start moving fp comparison aliases to the .td file (which default to using %st1 if nothing is specified). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118352 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06generalize alias support to allow the result of an alias toChris Lattner
add fixed immediate values. Move the aad and aam aliases to use this, and document it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118350 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move fnstsw aliases to .td file, fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118349 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move in/out aliases to the .td files.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118348 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move sldt, imul, and movabsq aliases from c++ to .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118347 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06correct suffix matching to search for s/l/t suffixes on Chris Lattner
floating point stack instructions instead of looking for b/w/l/q. This fixes issues where we'd accidentally match fistp to fistpl, when it is in fact an ambiguous instruction. This changes the behavior of llvm-mc to reject fstp, which was the correct fix for rdar://8456389: t.s:1:1: error: ambiguous instructions require an explicit suffix (could be 'fstps', 'fstpl', or 'fstpt') fstp (%rax) it also causes us to correctly reject fistp and fist, which addresses PR8528: t.s:2:1: error: ambiguous instructions require an explicit suffix (could be 'fistps', or 'fistpl') fistp (%rax) ^ t.s:3:1: error: ambiguous instructions require an explicit suffix (could be 'fists', or 'fistl') fist (%rax) ^ Thanks to Ismail Donmez for tracking down the issue here! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118346 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06fix a bug where we had an implicit assumption that theChris Lattner
result instruction operand numbering matched the result pattern. Fixing this allows us to move the xchg/test aliases to the .td file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118334 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move the lcall/ljmp aliases to the .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118332 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06move the "movsd -> movsl" alias to the .td files, Chris Lattner
tidy up the movsx and movzx aliases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118331 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-06fix some bugs in the alias support, unblocking changing of "clr" aliasesChris Lattner
from c++ hacks to proper .td InstAlias definitions. Change them! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118330 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01use our fancy new MnemonicAlias mechanism to remove a bunch of hacksChris Lattner
from X86AsmParser.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117952 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-01Implement enough of the missing instalias support to getChris Lattner
aliases installed and working. They now work when the matched pattern and the result instruction have exactly the same operand list. This is now enough for us to define proper aliases for movzx and movsx, implementing rdar://8017633 and PR7459. Note that we do not accept instructions like: movzx 0(%rsp), %rsi GAS accepts this instruction, but it doesn't make any sense because we don't know the size of the memory operand. It could be 8/16/32 bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117901 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30Implement (and document!) support for MnemonicAlias's to have Requires Chris Lattner
directives, allowing things like this: def : MnemonicAlias<"pop", "popl">, Requires<[In32BitMode]>; def : MnemonicAlias<"pop", "popq">, Requires<[In64BitMode]>; Move the rest of the X86 MnemonicAliases over to the .td file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117830 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30really zap alias.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117824 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move fcompi alias to .td file and zap some useless code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117823 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move rep aliases to td fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117822 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move sal aliases to .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117821 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30fix an encoding mismatch where "sal %eax, 1" was not using the short encodingChris Lattner
for shl. Caught by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move a bunch more aliases from .cpp -> .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117819 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move cmov aliases to .td file.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117818 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move setcc and jcc aliases from .cpp to .tdChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117817 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30move some code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117816 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30implement (and document!) the first kind of MC assembler alias, which Chris Lattner
just remaps one mnemonic to another. Convert a few of the X86 aliases from .cpp to .td code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117815 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-30stay out of the reserved namespaceChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117773 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Yet another tweak to X86 instructions to add ud2a as an alias to ud2Kevin Enderby
(still to add ud2b). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117435 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Another tweak to X86 instructions to add the missing flex instruction (withoutKevin Enderby
the wait prefix). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117434 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Tweaks to X86 instructions to allow the 'w' suffix in places it makesKevin Enderby
sense, when the instruction takes the 16-bit ax register or m16 memory location. These changes to llvm-mc matches what the darwin assembler allows for these instructions. Done differently than in r117031 that caused a valgrind error which was later reverted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117433 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-27Added some aliases to the fcomip and fucompi Intel instructions. So that llvm-mcKevin Enderby
will accept versions that the darwin assembler allows. Forms ending in "pi" and forms without all the operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117427 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Reverting r117031 to cleanup valgrind errors.Andrew Trick
It doesn't look like anything is wrong with the checkin, but the new test cases expose a mem bug in AsmParser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117087 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-21More tweaks to X86 instructions to allow the 'w' suffix in places it makesKevin Enderby
sense, when the instruction takes the 16-bit ax register or m16 memory location. These changes to llvm-mc matches what the darwin assembler allows for these instructions. Also added the missing flex (without the wait prefix) and ud2a as an alias to ud2 (still to add ud2b). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19Added a few tweaks to the Intel Descriptor-table support instructions to allowKevin Enderby
word forms and suffixed versions to match the darwin assembler in 32-bit and 64-bit modes. This is again for use just with assembly source for llvm-mc . git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116773 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-18Added a handful of x86-32 instructions that were missing so that llvm-mc wouldKevin Enderby
be more complete. These are only expected to be used by llvm-mc with assembly source so there is no pattern, [], in the .td files. Most are being added to X86InstrInfo.td as Chris suggested and only comments about register uses are added. Suggestions welcome on the .td changes as I'm not sure on every detail of the x86 records. More missing instructions will be coming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116716 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-09Fix Whitespace.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-05Replace a gross hack (the MOV64ri_alt instruction) with a slightly less Chris Lattner
gross hack (having the asmmatcher handle the alias). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115685 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01Delete token *after* reading from it.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115311 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30preemptively add the rest of the non-n fpstack instructions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115168 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30implement support for finit, PR8258Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115156 91177308-0d34-0410-b5e6-96231b3b80d8
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