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6d37a29588
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2568 Commits

Author SHA1 Message Date
Shih-wei Liao
6d37a29588 Adding the missing implementation of Bitfield's "clear" and "insert". 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7222.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:25:05 +00:00
Shih-wei Liao
5170b71143 To handle s* registers in emitVFPLoadStoreMultipleInstruction(). 
Fixing http://llvm.org/bugs/show_bug.cgi?id=7221.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-26 00:02:28 +00:00
Jakob Stoklund Olesen
4fda9670f0 Remove NumberHack entirely. 
SubRegIndex instances are now numbered uniquely the same way Register instances
are - in lexicographical order by name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104627 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 19:49:33 +00:00
Zonr Chang
f3c770a2cb Add missing implementation to the materialization of VFP misc. instructions (vmrs, vmsr and vmov (immediate)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 10:23:52 +00:00
Zonr Chang
f86399be0c Add support to MOVimm32 using movt/movw for ARM JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104587 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 08:42:45 +00:00
Bob Wilson
a85df80ed7 Allow t2MOVsrl_flag and t2MOVsra_flag instructions to be predicated. 
I don't know of any particular reason why that would be important, but
neither can I see any reason to disallow it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 04:51:47 +00:00
Bob Wilson
4876bdb69e Fix up instruction classes for Thumb2 RSB instructions to be consistent with 
Thumb2 ADD and SUB instructions: allow RSB instructions be changed to set the
condition codes, and allow RSBS instructions to be predicated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104582 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 04:43:08 +00:00
Bob Wilson
ab3912e3ce Clean up indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-25 03:36:52 +00:00
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
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
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
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
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
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
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
Evan Cheng
211ffa1351 Code refactoring: pull SchedPreference enum from TargetLowering.h to TargetMachine.h and put it in its own namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 20:19:50 +00:00
Evan Cheng
9085f98b32 t2LEApcrel and tLEApcrel are re-materializable. This makes it possible to hoist more loads during machine LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104115 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 07:28:01 +00:00
Evan Cheng
27fa722311 Use 'adr' for LEApcrel and LEApcrel. Mark LEApcrel re-materializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104114 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 07:26:50 +00:00
Evan Cheng
5fd1c9be2d Mark pattern-less mayLoad / mayStore instructions neverHasSideEffects. These do not have other un-modeled side effects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 06:07:03 +00:00
Evan Cheng
3c3195cbf1 Target instruction selection should copy memoperands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 06:06:09 +00:00
Evan Cheng
ea420b20d4 Mark a few more pattern-less instructions with neverHasSideEffects. This is especially important on instructions like t2LEApcreal which are prime candidate for machine LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-19 01:52:25 +00:00
Evan Cheng
28dad2a5ca Sink dag combine's post index load / store code that swap base ptr and index into the target hook. Only the target knows whether the swap is safe. In Thumb2 mode, the offset must be an immediate. rdar://7998649 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-18 21:31:17 +00:00
Jakob Stoklund Olesen
535af4a320 ARMBaseRegisterInfo::estimateRSStackSizeLimit() could return prematurely with a 
too large limit.

The function would return immediately when finding an addrmode 3/5 instruction.
It needs to keep scanning in case there is an addrmode 6 instruction which drops
the limit to 0.

A test case is very difficult to produce because it will only fail when the
scavenger is used.

rdar://problem/7894847

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 23:29:23 +00:00
Evan Cheng
47006be498 vmov of immediates are trivially re-materializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103982 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 21:54:50 +00:00
Bob Wilson
7f43fd84db Fix a regression in 464.h264 for thumb1 and thumb2 nightly tests. 
Obvious in retrospect but not fun to debug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 20:31:13 +00:00
Evan Cheng
6206124250 Turn on -neon-reg-sequence by default. 
Using NEON load / store multiple instructions will no longer create gobs of vmov of D registers!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103960 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 19:51:20 +00:00
Evan Cheng
9c207ac0dc No reason not to run the NEON domain croassing fix up pass in thumb2 mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-17 01:11:46 +00:00
Anton Korobeynikov
bd91ea53f8 Chris said that the comment char should be escaped. Fix all the occurences of "@" in *.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103903 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-16 09:15:36 +00:00
Anton Korobeynikov
4878b8415f Generalize the ARM DAG combiner of mul with constants to all power-of-two cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103901 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-16 08:54:20 +00:00
Evan Cheng
8f6de385d6 Model vst lane instructions with REG_SEQUENCE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-16 03:27:48 +00:00
Anton Korobeynikov
a9790d739a Some cheap DAG combine goodness for multiplication with a particular constant. 
This can be extended later on to handle more "complex" constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103881 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-15 18:16:59 +00:00
Anton Korobeynikov
418d1d954d "trap" pseudo-op turned out to be apple-local. 
Temporary emit it as raw bytes until it will be added to binutils as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103878 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-15 17:19:20 +00:00
Evan Cheng
7189fd03fa Model 128-bit vld lane with REG_SEQUENCE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103868 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-15 07:53:37 +00:00
Evan Cheng
4782b1e2ca v4i64 and v8i64 are only synthesizable when NEON is available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-15 02:20:21 +00:00
Evan Cheng
06b666c705 Allow TargetLowering::getRegClassFor() to be called on illegal types. Also 
allow target to override it in order to map register classes to illegal
but synthesizable types. e.g. v4i64, v8i64 for ARM / NEON.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-15 02:18:07 +00:00
Evan Cheng
7092c2bfcb Model 64-bit lane vld with REG_SEQUENCE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103851 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-15 01:36:29 +00:00
Evan Cheng
b990a2f249 Teach two-address pass to do some coalescing while eliminating REG_SEQUENCE 
instructions.

e.g.
%reg1026<def> = VLDMQ %reg1025<kill>, 260, pred:14, pred:%reg0
%reg1027<def> = EXTRACT_SUBREG %reg1026, 6
%reg1028<def> = EXTRACT_SUBREG %reg1026<kill>, 5
...
%reg1029<def> = REG_SEQUENCE %reg1028<kill>, 5, %reg1027<kill>, 6, %reg1028, 7, %reg1027, 8, %reg1028, 9, %reg1027, 10, %reg1030<kill>, 11, %reg1032<kill>, 12

After REG_SEQUENCE is eliminated, we are left with:

%reg1026<def> = VLDMQ %reg1025<kill>, 260, pred:14, pred:%reg0
%reg1029:6<def> = EXTRACT_SUBREG %reg1026, 6
%reg1029:5<def> = EXTRACT_SUBREG %reg1026<kill>, 5

The regular coalescer will not be able to coalesce reg1026 and reg1029 because it doesn't
know how to combine sub-register indices 5 and 6. Now 2-address pass will consult the
target whether sub-registers 5 and 6 of reg1026 can be combined to into a larger
sub-register (or combined to be reg1026 itself as is the case here). If it is possible, 
it will be able to replace references of reg1026 with reg1029 + the larger sub-register
index.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103835 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 23:21:14 +00:00
Evan Cheng
12c24690c7 Model VST*_UPD and VST*oddUPD pair with REG_SEQUENCE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103833 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 22:54:52 +00:00
Bill Wendling
b92187a410 Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what 
the variable actually tracks.

N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 21:14:32 +00:00
Evan Cheng
5c6aba2e3a Model VLD*_UPD and VLD*odd_UPD pair with REG_SEQUENCE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103790 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 18:54:59 +00:00