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16415 Commits

Author SHA1 Message Date
Owen Anderson
0ec4da72fc Use by-name rather than by-order operand matching for some NEON encodings. 
llvm-svn: 119923
 2010-11-21 06:47:06 +00:00
Chris Lattner
908a01328c optimize: 
void a(int x) { if (((1<<x)&8)==0) b(); }

into "x != 3", which occurs over 100 times in 403.gcc but in no
other program in llvm-test.

llvm-svn: 119922
 2010-11-21 06:44:42 +00:00
Chris Lattner
09bf382b8f tail calls on x86 are implemented. 
llvm-svn: 119920
 2010-11-21 06:10:27 +00:00
Jim Grosbach
1476bfec1e BR_JTadd is ARM-only, so use the proper pseudo class to get the predicate. 
llvm-svn: 119918
 2010-11-21 01:26:01 +00:00
Bill Wendling
834a3bfb92 A few more thumb instruction MC encodings. 
llvm-svn: 119913
 2010-11-20 22:52:33 +00:00
Eric Christopher
38b8cfea6a Rewrite address handling to use a structure with all the possible address 
mode variables. Handle frame indexes in load/store and allocas again.

llvm-svn: 119912
 2010-11-20 22:38:27 +00:00
Eric Christopher
5a99947b98 STRH only needs the additional operand, not t2STRH. Also invert conditional 
to match the one from the load emitter above.

llvm-svn: 119911
 2010-11-20 22:01:38 +00:00
Anton Korobeynikov
e88ba0f100 Make this compile on case-sensitive file systemsw 
llvm-svn: 119905
 2010-11-20 16:14:57 +00:00
Anton Korobeynikov
ff8c52bd51 Move some more hooks to TargetFrameInfo 
llvm-svn: 119904
 2010-11-20 15:59:32 +00:00
Duncan Sands
028cf0619e On X86, MEMBARRIER, MFENCE, SFENCE, LFENCE are not target memory intrinsics, 
so don't claim they are.  They are allocated using DAG.getNode, so attempts
to access MemSDNode fields results in reading off the end of the allocated
memory.  This fixes crashes with "llc -debug" due to debug code trying to
print MemSDNode fields for these barrier nodes (since the crashes are not
deterministic, use valgrind to see this).  Add some nasty checking to try
to catch this kind of thing in the future.

llvm-svn: 119901
 2010-11-20 11:25:00 +00:00
Bill Wendling
00481555e0 Add more Thumb add instruction encodings. 
llvm-svn: 119883
 2010-11-20 01:18:47 +00:00
Bill Wendling
4fb2131b0a Add Thumb encodings for some add instructions. 
llvm-svn: 119882
 2010-11-20 01:00:29 +00:00
Bill Wendling
cd27d03d93 Add more encodings for Thumb instructions. 
llvm-svn: 119881
 2010-11-20 00:53:35 +00:00
Bill Wendling
2271583883 Have the getAddrMode3OpValue() function in ARMCodeEmitter.cpp produce the same 
value that the one in ARMMCCodeEmitter.cpp does.

llvm-svn: 119878
 2010-11-20 00:26:37 +00:00
Jim Grosbach
b2b99c9b64 Fix ARM LDR* post-indexed operand encoding. 
llvm-svn: 119869
 2010-11-19 23:14:43 +00:00
Bill Wendling
c568ce5bda Encodings for the compare instructions. 
llvm-svn: 119868
 2010-11-19 23:14:32 +00:00
Owen Anderson
023f096736 The Vm and Vn register fields must be the same for a register-register vmov. 
llvm-svn: 119867
 2010-11-19 23:12:43 +00:00
Evan Cheng
2b30babdcc Fix a cut-n-paste-error. 
llvm-svn: 119866
 2010-11-19 23:01:16 +00:00
Jim Grosbach
7445ae1145 Operand names 
llvm-svn: 119864
 2010-11-19 22:43:08 +00:00
Jim Grosbach
4d6c419ea2 trailing whitespace 
llvm-svn: 119863
 2010-11-19 22:42:55 +00:00
Eric Christopher
322b045c95 Don't need to save piecemeal now. 
llvm-svn: 119862
 2010-11-19 22:39:56 +00:00
Eric Christopher
899d8247c8 Update comment. 
llvm-svn: 119861
 2010-11-19 22:37:58 +00:00
Bill Wendling
65402c3a76 Add encodings for some of the thumb ADD instructions. Tests will come once the 
asm parser can handle them.

llvm-svn: 119860
 2010-11-19 22:37:33 +00:00
Eric Christopher
716f891687 Update comment. 
llvm-svn: 119859
 2010-11-19 22:36:41 +00:00
Jim Grosbach
69cad2c8b0 Clarify operand names. 
llvm-svn: 119858
 2010-11-19 22:36:02 +00:00
Eric Christopher
563a0d8b6b Refactor address mode handling into a single struct (ala x86), this 
should give allow a wider range of addressing modes.

No functional change.

llvm-svn: 119856
 2010-11-19 22:30:02 +00:00
Jim Grosbach
0a0b2ed163 Fix encoding for ARM MLS instruction. 
llvm-svn: 119855
 2010-11-19 22:22:37 +00:00
Jim Grosbach
a7213faf85 Add ARM encoding information for STRD. 
llvm-svn: 119852
 2010-11-19 22:14:31 +00:00
Jim Grosbach
bd80b3fe98 Shuffle things around a bit to keep like things together. Tidy up formatting. 
llvm-svn: 119851
 2010-11-19 22:06:57 +00:00
Bill Wendling
29f262163a Revert accidental commit. 
llvm-svn: 119850
 2010-11-19 22:06:18 +00:00
Bill Wendling
e2f19dfde3 Change long binary encodings to use hex instead. It's more readable. Also 
initialize missing bit.

llvm-svn: 119849
 2010-11-19 22:02:18 +00:00
Jim Grosbach
33930ff560 Factor out operand encoding bits for ARM addressing mode 2 store instructions. 
llvm-svn: 119846
 2010-11-19 21:35:06 +00:00
Jim Grosbach
b58de2a8c7 Delete another dead class. 
llvm-svn: 119844
 2010-11-19 21:16:08 +00:00
Jim Grosbach
dc695e7de2 whitespace tweak. 
llvm-svn: 119843
 2010-11-19 21:14:37 +00:00
Jim Grosbach
edef95dc56 Refactor PICSTR* instructions to really be pseudos. Nuke dead classes. 
llvm-svn: 119841
 2010-11-19 21:14:02 +00:00
Jim Grosbach
a57ac3e282 Rename ARM .td class AIldst1 to AI2ldst for consistency with the other classes. 
llvm-svn: 119840
 2010-11-19 21:07:51 +00:00
Jim Grosbach
9e50b14e34 Add ARM binary encoding information for the rest of the indexed loads. 
llvm-svn: 119821
 2010-11-19 19:41:26 +00:00
Jim Grosbach
7a92d84b46 Remove dead code. 
llvm-svn: 119815
 2010-11-19 18:18:37 +00:00
Jim Grosbach
c2ac477e54 ARM LDRD binary encoding. 
llvm-svn: 119812
 2010-11-19 18:16:46 +00:00
Jim Grosbach
be61a90b99 Remove hard tabs. 
llvm-svn: 119810
 2010-11-19 18:01:37 +00:00
Jim Grosbach
48531dd967 Remove trailing whitespace. 
llvm-svn: 119806
 2010-11-19 17:11:02 +00:00
Benjamin Kramer
6807d1b8fa Avoid release build warnings. 
llvm-svn: 119804
 2010-11-19 16:36:02 +00:00
Owen Anderson
99c5ea71f7 Fix decoding ambiguities of stdrex and ldrex. 
llvm-svn: 119801
 2010-11-19 13:11:50 +00:00
Evan Cheng
46ea6d0bf1 These instructions are thumb2 only. 
llvm-svn: 119793
 2010-11-19 06:28:11 +00:00
Evan Cheng
4a88903266 Fix an obvious oversight. 
llvm-svn: 119792
 2010-11-19 06:15:10 +00:00
Rafael Espindola
b33e5e07e1 Change some methods in MCDwarf.cpp to be able to handle an arbitrary 
MCStreamer instead of just MCObjectStreamer. Address changes cannot
be as efficient as we have to use DW_LNE_set_addres, but at least
most of the logic is shared.

This will be used so that, with CodeGen still using EmitDwarfLocDirective,
llvm-gcc is able to produce debug_line sections without needing an
assembler that supports .loc.

llvm-svn: 119777
 2010-11-19 02:26:16 +00:00
Bill Wendling
50a1812023 Add MC encodings for some Thumb instructions. Test for a few of them. The "bx 
lr" instruction cannot be tested just yet. It requires matching a "condition
code", but adding one of those makes things go south quickly...

llvm-svn: 119774
 2010-11-19 01:33:10 +00:00
Bill Wendling
48cce64ab5 Use array_pod_sort because the list is contiguous. 
llvm-svn: 119769
 2010-11-19 00:38:19 +00:00
Owen Anderson
fa216abdd5 Provide Thumb2 encodings for strex and ldrex. 
llvm-svn: 119768
 2010-11-19 00:28:38 +00:00
Jim Grosbach
941d812765 Minor cleanups to a few llvm_unreachable() calls. 
llvm-svn: 119767
 2010-11-19 00:27:09 +00:00