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16662 Commits

Author SHA1 Message Date
Owen Anderson
a2b50b300e Rename encoder methods to match naming convention. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:28:01 +00:00
Chris Lattner
d6e623ad15 mark a few codegenonly instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:26:33 +00:00
Owen Anderson
b20594fce6 Provide correct encodings for the remaining vst variants that we currently generate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118087 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:18:18 +00:00
Owen Anderson
e95c946aeb Tentative encodings for the "single element from one lane" variant of vst1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:54:45 +00:00
Owen Anderson
a1a45fd254 Add correct encodings for basic variants for vst3 and vst4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:47:03 +00:00
Bob Wilson
d0c6bc2204 Add NEON VST1-lane instructions. Partial fix for Radar 8599955. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118069 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:18:25 +00:00
Owen Anderson
d2f3794e4d Add correct encodings for the basic variants for vst2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118068 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:16:58 +00:00
Owen Anderson
cfebe3a8b1 Add correct encodings for the basic form of vst1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118067 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:06:06 +00:00
Owen Anderson
d138d7034e Factor out a common encoding class for loads and stores with a lane parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 20:47:39 +00:00
Owen Anderson
f0ea0f2b15 Add correct encodings for the rest of the vld instructions that we generate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 20:40:59 +00:00
Jim Grosbach
28b108250d Sort bit assignments. Cosmetic change only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:59:04 +00:00
Jim Grosbach
ab3d00e535 Revert r114340 (improvements in Darwin function prologue/epilogue), as it broke 
assumptions about stack layout. Specifically, LR must be saved next to FP.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118026 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 17:35:25 +00:00
Owen Anderson
cf667be17b Add correct NEON encodings for vld2, vld3, and vld4 basic variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:24:55 +00:00
Eric Christopher
4053e63a4b Remove an assert - it's possible to be hit, and we just want to avoid 
handling those cases for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117996 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:24:49 +00:00
Eric Christopher
61d69da051 Whitespeace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:22:45 +00:00
Eric Christopher
aaa8df4cad No really, no thumb1 for arm fast isel. Also add an informative comment as 
to what someone would need to do to support thumb1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 01:21:28 +00:00
Owen Anderson
e85bd773e6 Attempt to provide correct encodings for a number of other vld1 variants, which we can't test 
since we can neither generate nor parse them at the moment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:24:52 +00:00
Owen Anderson
b552174a8c Add aesthetic break. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117986 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:14:00 +00:00
Owen Anderson
d9aa7d30aa Add correct NEON encodings for the "multiple single elements" form of vld. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117984 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 00:05:05 +00:00
Jim Grosbach
9af3d1c0dc Explicitly check for non-consant reference in an LDRi12 instruction. Add FIXME 
for handling the fixup necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:45:50 +00:00
Jim Grosbach
a502423d1e Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:40:56 +00:00
Bob Wilson
665814b6be Add support for alignment operands on VLD1-lane instructions. 
This is another part of the fix for Radar 8599955.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117976 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:40:51 +00:00
Bill Wendling
cd944a424c Missed reverting this bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:17:54 +00:00
Bill Wendling
160accad6b Minor cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:11:22 +00:00
Chris Lattner
efd8dadb4f rearrange a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117967 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 23:07:52 +00:00
Bob Wilson
b796bbb6de Add NEON VLD1-lane instructions. Partial fix for Radar 8599955. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117964 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 22:04:05 +00:00
Bill Wendling
c2bf50245f Move the machine operand MC encoding patterns to the parent classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117956 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:17:06 +00:00
Chris Lattner
99f535242c use our fancy new MnemonicAlias mechanism to remove a bunch of hacks 
from X86AsmParser.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117952 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 21:06:34 +00:00
Bill Wendling
40a5eb18b0 When we look at instructions to convert to setting the 's' flag, we need to look 
at more than those which define CPSR. You can have this situation:

(1)  subs  ...
(2)  sub   r6, r5, r4
(3)  movge ...
(4)  cmp   r6, 0
(5)  movge ...

We cannot convert (2) to "subs" because (3) is using the CPSR set by
(1). There's an analogous situation here:

(1)  sub   r1, r2, r3
(2)  sub   r4, r5, r6
(3)  cmp   r4, ...
(5)  movge ...
(6)  cmp   r1, ...
(7)  movge ...

We cannot convert (1) to "subs" because of the intervening use of CPSR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 20:41:43 +00:00
Bob Wilson
24645a1a6d NEON does not support truncating vector stores. Radar 8598391. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117940 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 18:31:39 +00:00
Jim Grosbach
469ebbe148 Add FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117936 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 18:11:14 +00:00
Jim Grosbach
6797f89815 Add 'IsThumb' predicate to patterns marked as 'IsThumb1Only'. The latter gates 
codegen using the patterns; the latter gates the assembler recognizing the
instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117931 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 17:08:58 +00:00
Jim Grosbach
833c93c795 Mark ARM subtarget features that are available for the assembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117929 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:59:54 +00:00
Jim Grosbach
d4462a5a4f trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117927 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 16:44:21 +00:00
Jim Grosbach
9729d2e998 The T2 extract/pack instructions are only valid in Thumb2 mode. Mark the 
patterns as such

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117923 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 15:59:52 +00:00
Bill Wendling
69661191ce Move instruction encoding bits into the parent class and remove the temporary 
*_Encode classes. These instructions are the only ones which use those classes,
so a subclass isn't necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 06:00:39 +00:00
Chris Lattner
acc473fcf9 "mov[zs]x (mem), GR16" are not ambiguous: the mem 
must be 8 bits.  Support this memory form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117902 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 05:41:10 +00:00
Chris Lattner
b501d4f673 Implement enough of the missing instalias support to get 
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
 2010-11-01 05:34:34 +00:00
Chris Lattner
4164f6bbbf make the asm matcher emitter reject instructions that have comments 
in their asmstring.  Fix the two x86 "NOREX" instructions that have them.
If these comments are important, the instlowering stuff can print them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117897 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 04:44:29 +00:00
Chris Lattner
4d1189f385 reject instructions that contain a \n in their asmstring. Mark 
various X86 and ARM instructions that are bitten by this as isCodeGenOnly,
as they are.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117884 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-01 00:46:16 +00:00
Chris Lattner
150d20e8fc fix the !eq operator in tblgen to return a bit instead of an int. 
Use this to make the X86 and ARM targets set isCodeGenOnly=1 
automatically for their instructions that have Format=Pseudo,
resolving a hack in tblgen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117862 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 19:22:57 +00:00
Chris Lattner
a4a3a5e3c2 two changes: make the asmmatcher generator ignore ARM pseudos properly, 
and make it a hard error for instructions to not have an asm string.
These instructions should be marked isCodeGenOnly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 19:15:18 +00:00
Chris Lattner
39ee036f40 reapply r117858 with apparent editor malfunction fixed (somehow I 
got a dulicated line).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 19:10:56 +00:00
Chris Lattner
8b2f0822f3 revert r117858 while I check out a failure I missed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 19:05:32 +00:00
Chris Lattner
efa53760fe the asm matcher can't handle operands with modifiers (like ${foo:bar}). 
Instead of silently ignoring these instructions, emit a hard error and
force the target author to either refactor the target or mark the 
instruction 'isCodeGenOnly'.

Mark a few instructions in ARM and MBlaze as isCodeGenOnly the are 
doing this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 18:48:12 +00:00
Chris Lattner
a33b93f7f1 sketch out the planned instruction alias mechanism, add some comments about 
how the push/pop mnemonic aliases are wrong.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117857 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 18:43:46 +00:00
Duncan Sands
4590766580 Factorize the duplicated logic for choosing the right argument 
calling convention out of the fast and normal ISel files, and
into the calling convention TD file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117856 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 13:21:44 +00:00
Duncan Sands
e26032d5b2 Remove CCAssignFnForRet from X86 FastISel in favour of RetCC_X86, 
which has the same logic specified in the CallingConv TD file.
This brings FastISel in line with the standard X86 ISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-31 13:02:38 +00:00
Eric Christopher
76d61478df Make sure we have a legal type (and simple) before continuing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 21:25:26 +00:00
Chris Lattner
0f899c78e1 Resolve a terrible hack in tblgen: instead of hardcoding 
"In32BitMode" and "In64BitMode" into tblgen, allow any
predicate that inherits from AssemblerPredicate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117831 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 19:38:20 +00:00