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14753 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
e00fa64c16 Use enums instead of literals in the ARM backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 00:15:15 +00:00
Jakob Stoklund Olesen
33276d95ef Switch SubRegSet to using symbolic SubRegIndices 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 23:03:18 +00:00
Bob Wilson
c21763fd99 Allow Thumb2 MVN instructions to set condition codes. The immediate operand 
version of t2MVN already allowed that, but not the register versions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 22:41:19 +00:00
Jakob Stoklund Olesen
f27462eb29 Lose the dummies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 21:47:01 +00:00
Jakob Stoklund Olesen
09bc029865 Replace the tablegen RegisterClass field SubRegClassList with an alist-like data 
structure that represents a mapping without any dependencies on SubRegIndex
numbering.

This brings us closer to being able to remove the explicit SubRegIndex
numbering, and it is now possible to specify any mapping without inventing
*_INVALID register classes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 21:46:58 +00:00
Dan Gohman
e350690e3b Fix an mmx movd encoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104552 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 20:51:08 +00:00
Kevin Enderby
ca956dc0f6 MC/X86: Add aliases for CMOVcc variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104549 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 20:32:23 +00:00
Bob Wilson
d303846e16 Clean up some extra whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 20:08:34 +00:00
Bob Wilson
bb7ecb2bf5 Thumb2 RSBS instructions were being printed without the 'S' suffix. 
Fix it by changing the T2I_rbin_s_is multiclass to handle the CPSR
output and 'S' suffix in the same way as T2I_bin_s_irs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 18:44:06 +00:00
Evan Cheng
c7cf10c97e LR is in GPR, not tGPR even in Thumb1 mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104518 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 18:00:18 +00:00
Jakob Stoklund Olesen
a1132276e7 Add SubRegIndex defs to PowerPC. It looks like the CR subregister indices are 
never used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 17:55:38 +00:00
Jakob Stoklund Olesen
d6be874e8c Use SubRegIndex in SystemZ. 
Anton, please review the change to SystemZAsmPrinter.cpp. It could be a bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 17:43:01 +00:00
Jakob Stoklund Olesen
fff916a960 SubRegIndex'ize Mips 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104514 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 17:42:58 +00:00
Jakob Stoklund Olesen
59f7199e16 SubRegIndex'ize MSP430 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104513 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 17:42:55 +00:00
Jakob Stoklund Olesen
7bb31e3187 Fix a few places that depended on the numeric value of subreg indices. 
Add assertions in places that depend on consecutive indices.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 17:13:28 +00:00
Jakob Stoklund Olesen
558661d271 Switch ARMRegisterInfo.td to use SubRegIndex and eliminate the parallel enums 
from ARMRegisterInfo.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 16:54:32 +00:00
Jakob Stoklund Olesen
3458e9e4df Rename X86 subregister indices to something shorter. 
Use the tablegen-produced enums.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104493 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 14:48:17 +00:00
Jakob Stoklund Olesen
73ea7bf450 Add the SubRegIndex TableGen class. 
This is the beginning of purely symbolic subregister indices, but we need a bit
of jiggling before the explicit numeric indices can be completely removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-24 14:48:12 +00:00
Bob Wilson
069e434868 VDUP doesn't support vectors with 64-bit elements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-23 05:42:31 +00:00
Daniel Dunbar
62e4c671b6 MC/X86: Subdivide immediates a bit more, so that we properly recognize immediates based on the width of the target instruction. For example: 
addw $0xFFFF, %ax
should match the same as
  addw $-1, %ax
but we used to match it to the longer encoding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-22 21:02:33 +00:00
Daniel Dunbar
54ddf3d9c7 tblgen/AsmMatcher: Change AsmOperandClass to allow a list of superclasses instead of just one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104452 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-22 21:02:29 +00:00
Daniel Dunbar
4c361972fd MC/X86: Add alias for setz, setnz, jz, jnz. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-22 06:37:33 +00:00
Evan Cheng
2457f2c661 Implement @llvm.returnaddress. rdar://8015977. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-22 01:47:14 +00:00
Jim Grosbach
5eb1951539 Implement eh.sjlj.longjmp for ARM. Clean up the intrinsic a bit. 
Followups: docs patch for the builtin and eh.sjlj.setjmp cleanup to match
longjmp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104419 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-22 01:06:18 +00:00
Bob Wilson
be751cfe9c Recognize more BUILD_VECTORs and VECTOR_SHUFFLEs that can be implemented by 
copying VFP subregs.  This exposed a bunch of dead code in the *spill-q.ll
tests, so I tweaked those tests to keep that code from being optimized away.
Radar 7872877.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104415 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-22 00:23:12 +00:00
Chris Lattner
c2685a9c98 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 23:16:21 +00:00
Kevin Enderby
9d31d79493 Added retl for 32-bit x86 and added retq for 64-bit x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 23:01:38 +00:00
Evan Cheng
1015ba7018 - Change MachineInstr::findRegisterDefOperandIdx so it can also look for defs 
that are aliases of the specified register.
- Rename modifiesRegister to definesRegister since it's looking a def of the
specific register or one of its super-registers. It's not looking for def of a
sub-register or alias that could change the specified register.
- Added modifiesRegister to look for defs of aliases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 20:53:24 +00:00
Dale Johannesen
acbf6348b1 Previous commit message should refer to 104308. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 18:44:47 +00:00
Dale Johannesen
e39859a838 Fix two bugs in 104348: 
Case where MMX is disabled wasn't handled right.
MMX->MMX bitconverts are Legal.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 18:40:15 +00:00
Chris Lattner
a26a8471bd now that fp reg kill insertion stuff happens as a separate 
pass after isel instead of being interlaced with it, we can
trust that all the code for a function has been isel'd before
it is run.

The practical impact of this is that we can scan for machine
instr phis instead of doing a fuzzy match on the LLVM BB for
phi nodes.  Doing the fuzzy match required knowing when isel
would produce an fp reg stack phi which was gross.  It was
also wrong in cases where select got lowered to a branch
tree because cmovs aren't available (PR6828).

Just do the scan on machine phis which is simpler, faster
and more correct.  This fixes PR6828.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 18:17:54 +00:00
Chris Lattner
d596c90030 Use less evil form of switch stmt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104331 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 18:02:42 +00:00
Chris Lattner
d3d9ee1a4d use continue to reduce nesting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104330 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 18:01:24 +00:00
Chris Lattner
637e073181 pull a nested loop of this pass out to its own function, 
eliminating the gymnastics around the ContainsFPCode var.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104328 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 17:57:03 +00:00
Chris Lattner
6f569aabb5 modernize this pass a bit, fit in 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104326 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 17:49:07 +00:00
Matt Fleming
d8a33ddcfe Currently, createMachOStreamer() is invoked directly in llvm-mc which 
isn't ideal if we want to be able to use another object file format.

Add a createObjectStreamer() factory method so that the correct object
file streamer can be instantiated for a given target triple.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104318 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 12:54:43 +00:00
Matt Fleming
7efaef6b82 Split out the x86_32 an x86_64 ELF backends as they handle ELF 
differently. This will make adding ELF support easier in the long run.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 11:39:07 +00:00
Dale Johannesen
7d07b48b26 Fix i64->f64 conversion, x86-64, -no-sse. A bit 
tricky since there's a 3rd 64-bit type, MMX vectors.
PR 7135.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104308 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 00:52:33 +00:00
Evan Cheng
f7d87ee158 Change ARM scheduling default to list-hybrid if the target supports floating point instructions (and is not using soft float). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-21 00:43:17 +00:00
Evan Cheng
1cc3984148 Allow targets more controls on what nodes are scheduled by reg pressure, what for latency in hybrid mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 23:26:43 +00:00
Daniel Dunbar
4e7f8390c0 MC/X86: Add movq alias for movabsq, to allow matching 64-bit immediates with movq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104275 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 20:36:29 +00:00
Daniel Dunbar
1fe591da3e X86: Model i64i32imm properly, as a subclass of all immediates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 20:20:39 +00:00
Daniel Dunbar
0306e3ddbf X86: Fix immediate type of FOO64i32 operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 20:20:35 +00:00
Bob Wilson
63b8845e78 Handle Neon v2f64 and v2i64 vector shuffles as register copies. 
This fixes the remaining issue with pr7167.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104257 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 18:39:53 +00:00
Dan Gohman
53e184980d Delete MMX_MOVQ64gmr. It was the same as MMX_MOVQ64mr, but it didn't 
have a pattern and it had an invalid encoding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104244 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 18:05:01 +00:00
Dale Johannesen
5f07d5224d The PPC MFCR instruction implicitly uses all 8 of the CR 
registers.  Currently it is not so marked, which leads to
VCMPEQ instructions that feed into it getting deleted.
If it is so marked, local RA complains about this sequence:
 vreg = MCRF  CR0
 MFCR  <kill of whatever preg got assigned to vreg>
All current uses of this instruction are only interested in
one of the 8 CR registers, so redefine MFCR to be a normal
unary instruction with a CR input (which is emitted only as
a comment).  That avoids all problems.  7739628.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104238 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 17:48:26 +00:00
Dan Gohman
e5e4ff974d Fix assembly parsing and encoding of the pushf and popf family of 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104231 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 16:16:00 +00:00
Dan Gohman
100804f494 Set neverHasSideEffects on 64-bit pushf and popf, for consistency with 
16-bit and 32-bit pushf and popf.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 15:42:55 +00:00
Dan Gohman
14aaeac5cf Define the x86 pause instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104204 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 01:35:50 +00:00
Dan Gohman
ee5673b622 Fix the sfence instruction to use MRM_F8 instead of MRM7r, since it 
doesn't have a register operand. Also, use I instead of PSI, for
consistency with mfence and lfence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-20 01:23:41 +00:00