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6797f89815
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3516 Commits

Author SHA1 Message Date
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
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
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
Jim Grosbach
7644971232 Add FIXME. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117787 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 14:54:23 +00:00
Jim Grosbach
4aaf59d8ed Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117782 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 12:59:16 +00:00
Chris Lattner
dba34d874d simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117771 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 04:35:59 +00:00
Chris Lattner
e5658fa15e split MaybeParseRegister into its two logical uses, eliminating malloc+free traffic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117769 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 04:09:10 +00:00
Jim Grosbach
4b5236c966 Avoid re-evaluating MI.getNumOperands() every iteration of the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 01:40:16 +00:00
Bob Wilson
f74a429816 Overhaul memory barriers in the ARM backend. Radar 8601999. 
There were a number of issues to fix up here:
* The "device" argument of the llvm.memory.barrier intrinsic should be
used to distinguish the "Full System" domain from the "Inner Shareable"
domain.  It has nothing to do with using DMB vs. DSB instructions.
* The compiler should never need to emit DSB instructions.  Remove the
ARMISD::SYNCBARRIER node and also remove the instruction patterns for DSB.
* Merge the separate DMB/DSB instructions for options only used for the
disassembler with the default DMB/DSB instructions.  Add the default
"full system" option ARM_MB::SY to the ARM_MB::MemBOpt enum.
* Add a separate ARMISD::MEMBARRIER_MCR node for subtargets that implement
a data memory barrier using the MCR instruction.
* Fix up encodings for these instructions (except MCR).
I also updated the tests and added a few new ones to check for DMB options
that were not currently being exercised.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 00:54:37 +00:00
Jim Grosbach
6b5252db2d Encode the register list operands for ARM mode LDM/STM instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117753 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-30 00:37:59 +00:00
Bill Wendling
52925b60f1 Some instructions end with an "ls" prefix, but it doesn't indicate that they are 
conditional. Check for those instructions explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:50:21 +00:00
Jim Grosbach
f38bfd1918 Remove hard tab characters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:23:15 +00:00
Jim Grosbach
c4bc2111a7 80 column fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:21:57 +00:00
Jim Grosbach
d8a11c25fa trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:21:03 +00:00
Jim Grosbach
0d2d2e9246 s/getNEONVcvtImm32/getNEONVcvtImm32OpValue/ to be consistent with other operand 
encoder functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:19:55 +00:00
Evan Cheng
e09206d4d7 Fix fpscr <-> GPR latency info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 23:16:55 +00:00
Jim Grosbach
3df518e67e add FIXME 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117718 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 21:56:51 +00:00
Jim Grosbach
8e0a3eb957 Convert ARM::MOVi2pieces to a true pseudo-instruction and expand it in 
the ARMExpandPseudos pass rather than during the asm lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 21:35:25 +00:00
Eric Christopher
0e6233bfd7 Handle comparison values we already have - this fixes the consumer-typeset 
failure for llvm-gcc on arm fast isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 21:08:19 +00:00
Jim Grosbach
a3c1629ff5 ARM::MOVi32imm is expanded in ARMExpandPseudoInsts, so there's no need to 
handle it in the asm lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 20:37:06 +00:00
Jim Grosbach
e317b13a2d Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 20:21:49 +00:00
Jim Grosbach
f32ecc69e5 ARM encoding information for CLREX, SWP and SWPB. Add comment for sjlj pseudos and a FIXME for TLS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117702 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 20:21:36 +00:00
Jim Grosbach
86875a2463 ARM mode LDREX*/STREX* binary encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117695 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 19:58:57 +00:00
Jim Grosbach
27e900888e Encoding information for ARM conditional move instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 19:28:17 +00:00
Evan Cheng
089751535d Avoiding overly aggressive latency scheduling. If the two nodes share an 
operand and one of them has a single use that is a live out copy, favor the
one that is live out. Otherwise it will be difficult to eliminate the copy
if the instruction is a loop induction variable update. e.g.

BB:
sub r1, r3, #1
str r0, [r2, r3]
mov r3, r1
cmp
bne BB

=>

BB:
str r0, [r2, r3]
sub r3, r3, #1
cmp
bne BB

This fixed the recent 256.bzip2 regression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117675 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 18:09:28 +00:00
Evan Cheng
d7e473c629 - Don't schedule nodes with only MVT::Flag and MVT::Other values for latency. 
- Compute CopyToReg use operand latency correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117674 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 18:07:31 +00:00
Jim Grosbach
80eb233a3c Handle ARM addrmode5 instructions with an offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117672 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:41:25 +00:00
John Thompson
44ab89eb37 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 17:29:13 +00:00
Jim Grosbach
d8d716fad3 Revert 117660. Apparently it's not as trivial as that... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117663 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:50:53 +00:00
Jim Grosbach
da54c6dd4f ARM addrmode5 instructions have neither writeback nor post-indexed modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117660 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:38:59 +00:00
Jim Grosbach
16c7425cff Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 14:46:02 +00:00
Benjamin Kramer
61a4d56a03 ARMAsmParser: Plug a memory leak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 09:43:39 +00:00
Eric Christopher
c223e2b10b Add an unreachable to silence warning - the switch is actually 
fully enumerated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117647 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 09:26:59 +00:00
Chris Lattner
14b93851cc add simple support for addrmode5 operands, allowing 
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 00:27:31 +00:00
Chris Lattner
e73d4f8ec7 give better error diagnostics, for example: 
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:41:58 +00:00
Chris Lattner
6274ec48b3 hook up getOpcodeName for ARM so that "llc -show-mc-inst" includes 
the opcode string in the inst dump, e.g.:
	vmov	r2, r3, d17             @ encoding: [0x31,0x2b,0x53,0xec]
                                        @ <MCInst #989 VMOVRRD
                                        @  <MCOperand Reg:68>
                                        @  <MCOperand Reg:69>
                                        @  <MCOperand Reg:19>
                                        @  <MCOperand Imm:14>
                                        @  <MCOperand Reg:0>>

The "VMOVRRD" is new.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:37:33 +00:00
Chris Lattner
fa42fad8bf move a method out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 21:28:01 +00:00
Chris Lattner
550276ee5b remove the rest of hte owningptr's, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:52:15 +00:00
Jim Grosbach
ab682a2090 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 18:34:10 +00:00
Chris Lattner
c0ddfaa134 rearrange ParseRegisterList. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 17:23:41 +00:00
Chris Lattner
3a69756e39 refactor some code to simplify it, eliminating some owningptr's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 17:20:03 +00:00