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9971 Commits

Author SHA1 Message Date
Eli Friedman f2d589fe24 Remove a completed optimization. Add a potential optimization I ran 
into.

llvm-svn: 71352
 2009-05-09 08:40:15 +00:00
Duncan Sands af9eaa830a Rename PaddedSize to AllocSize, in the hope that this 
will make it more obvious what it represents, and stop
it being confused with the StoreSize.

llvm-svn: 71349
 2009-05-09 07:06:46 +00:00
Sanjiv Gupta 3033816c80 Use 16 bit arithmetic while retrieving the address of callee's frame during indirect function calls, and set pclath before every call to retrieve the frame address. 
llvm-svn: 71323
 2009-05-09 05:11:19 +00:00
Evan Cheng 8f43afd3bb PPC::B and PPC::BCC's target operand may be an immediate. 
llvm-svn: 71282
 2009-05-08 23:09:25 +00:00
Anton Korobeynikov 65a58168cc Factor out cycle-finder code and make it generic. 
llvm-svn: 71241
 2009-05-08 18:51:58 +00:00
Anton Korobeynikov ea618dd0ba Allow 8 bit select in custom inserter 
llvm-svn: 71239
 2009-05-08 18:51:21 +00:00
Anton Korobeynikov 1484cfe945 Expand UREM / SREM into libcalls 
llvm-svn: 71236
 2009-05-08 18:50:41 +00:00
Anton Korobeynikov c3e1b392ae Add 8 bit select 
llvm-svn: 71235
 2009-05-08 18:50:26 +00:00
Chris Lattner f1d9b91434 Fix PR4152: asm constraint validation happens before dag combine, so we 
need to work a bit to combine things like (x+c1+c2) into x+c3.

llvm-svn: 71232
 2009-05-08 18:23:14 +00:00
Evan Cheng 2fa281106a Optimize code placement in loop to eliminate unconditional branches or move unconditional branch to the outside of the loop. e.g. 
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       <fallthrough to B>                                                                                                                                                 
///                                                                                                                                                                          
///       B:  --> loop header                                                                                                                                                
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit]                                                                                                                                               
///                                                                                                                                                                          
///       C:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
/// ==>                                                                                                                                                                      
///                                                                                                                                                                          
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
///       C:  --> new loop header                                                                                                                                            
///       ...                                                                                                                                                                
///       <fallthough to B>                                                                                                                                                  
///                                                                                                                                                                          
///       B:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit] 

llvm-svn: 71209
 2009-05-08 06:34:09 +00:00
Nick Lewycky 2f6bddd2b1 Add missing #include for "strlen" which is used inline in this header. Fixes 
build under gcc 4.3.

llvm-svn: 71208
 2009-05-08 06:22:25 +00:00
Sanjiv Gupta 89e72b9c4a Moved pic16 naming functions to correct place. 
No functionality change.

llvm-svn: 71207
 2009-05-08 04:50:14 +00:00
Evan Cheng a55d46100e Eliminate compiler warnings. 
llvm-svn: 71149
 2009-05-07 05:31:56 +00:00
Oscar Fuentes 364f3efa53 CMake: Updated lib/Target/PIC16/CMakeLists.txt. 
llvm-svn: 71115
 2009-05-06 20:40:05 +00:00
Dale Johannesen 72b6582c0f Use X86AddrNumOperands instead of magic constant one 
more place.  This fixes a bunch of x86-64 JIT regressions.
(Introduced when the value of the magic constant changed
in 68645.  At the time apparently nobody noticed; failures
were hidden in 70343-70439 by an unrelated bug, so showed
up again as "new" failures in 70440.)

llvm-svn: 71106
 2009-05-06 19:04:30 +00:00
Sanjiv Gupta 960ae0660b Emit banksel and movlp instructions. 
Split large global data (both initialized and un-initialized) into multiple sections of <= 80 bytes.
Provide routines to manage PIC16 ABI naming conventions.

llvm-svn: 71073
 2009-05-06 08:02:01 +00:00
Chris Lattner be9fa506ad Add basic support for code generation of 
addrspace(257) -> FS relative on x86.  Patch by Zoltan Varga!

llvm-svn: 70992
 2009-05-05 18:52:19 +00:00
Evan Cheng a35aed567a Revert part of 70929 that has to do with determining whether a SIB byte is needed. It causes a lot of x86_64 JIT failures. 
llvm-svn: 70986
 2009-05-05 18:18:57 +00:00
Evan Cheng 1ff2727c95 Move getInstrOperandRegClass from the scheduler to TargetInstrInfo. 
llvm-svn: 70950
 2009-05-05 00:30:09 +00:00
Evan Cheng c298ccb998 - Avoid the longer SIB encoding on x86_64 when it's not needed. 
- Synchronize instruction length computation code in X86InstrInfo with code in X86CodeEmitter.cpp
Patch by Zoltan Varga.

llvm-svn: 70929
 2009-05-04 22:49:16 +00:00
Dan Gohman bb525f7e02 X86FastISel doesn't support the -tailcallopt ABI. 
llvm-svn: 70902
 2009-05-04 19:50:33 +00:00
Anton Korobeynikov 2d1e7321f6 Fix code emission for conditional branches. 
Patch by Collin Winter!

llvm-svn: 70898
 2009-05-04 19:10:38 +00:00
Dan Gohman 630f4e1eb3 Trim unnecessary #includes. 
llvm-svn: 70880
 2009-05-04 17:11:06 +00:00
Anton Korobeynikov 4ff60e0cc2 Handle implicit zext in a better way. Shamelessly stolen from x86 backend. 
Thanks for Dan Gohman for suggestion!

llvm-svn: 70782
 2009-05-03 15:50:18 +00:00
Anton Korobeynikov 1324f810d7 Update due to mainline API change 
llvm-svn: 70769
 2009-05-03 13:19:42 +00:00
Anton Korobeynikov d089ef1003 Add TODO list :) 
llvm-svn: 70768
 2009-05-03 13:19:24 +00:00
Anton Korobeynikov 47fcd72e24 Make handling of conditional stuff much more straightforward 
llvm-svn: 70767
 2009-05-03 13:19:09 +00:00
Anton Korobeynikov dedfa00ba1 Temporary disable imm patterns for cmp. Actually, all cmp-related stuff (select_cc, setcc, br_cc). needs to be rethought 
llvm-svn: 70766
 2009-05-03 13:18:50 +00:00
Anton Korobeynikov eb2152f753 Expand divisions into libcalls 
llvm-svn: 70765
 2009-05-03 13:18:33 +00:00
Anton Korobeynikov 29747e9c26 Custom lower SIGN_EXTEND 
llvm-svn: 70763
 2009-05-03 13:17:49 +00:00
Anton Korobeynikov 3c48ea7dbe Some eye-candy 
llvm-svn: 70762
 2009-05-03 13:17:31 +00:00
Anton Korobeynikov 48e21c57f1 Print function header / footer 
llvm-svn: 70761
 2009-05-03 13:17:11 +00:00
Anton Korobeynikov 8847e3e554 Fix printing: je => jeq 
llvm-svn: 70760
 2009-05-03 13:16:54 +00:00
Anton Korobeynikov f3a6bc8562 Add 8bit shifts 
llvm-svn: 70759
 2009-05-03 13:16:37 +00:00
Anton Korobeynikov 61763b532a Handle logical shift right (at least I hope so :) ) 
llvm-svn: 70758
 2009-05-03 13:16:17 +00:00
Anton Korobeynikov 20a91130ce Handle anyext 
llvm-svn: 70757
 2009-05-03 13:15:57 +00:00
Anton Korobeynikov e31559576f Expand all sorts of indirect branches 
llvm-svn: 70755
 2009-05-03 13:15:40 +00:00
Anton Korobeynikov 41917df643 Add InsertBranch() hook for tail mergeing 
llvm-svn: 70754
 2009-05-03 13:15:22 +00:00
Anton Korobeynikov 4b0a0f18fb Implement bswap 
llvm-svn: 70753
 2009-05-03 13:15:03 +00:00
Anton Korobeynikov ba0e81d4b2 Properly handle ExternalSymbol's 
llvm-svn: 70752
 2009-05-03 13:14:46 +00:00
Anton Korobeynikov de60d1caef Expand muls (all mulls!) to libcalls for now 
llvm-svn: 70751
 2009-05-03 13:14:25 +00:00
Anton Korobeynikov 0da755ee3e Provide addc and subc 
llvm-svn: 70748
 2009-05-03 13:13:34 +00:00
Anton Korobeynikov a3f7a83ad8 Add left shift 
llvm-svn: 70747
 2009-05-03 13:13:17 +00:00
Anton Korobeynikov aa43d0b182 Add direct branch 
llvm-svn: 70746
 2009-05-03 13:12:58 +00:00
Anton Korobeynikov 24bfb51416 It's error-prone to maintain two separate variants of asmprinting stuff, one of which is even used. Drop second (aka 'intel') variant of operands. It can be added later, if needed. 
llvm-svn: 70745
 2009-05-03 13:12:37 +00:00
Anton Korobeynikov b6321e15f7 Lower select with custom inserted and make condjumps generic 
llvm-svn: 70744
 2009-05-03 13:12:23 +00:00
Anton Korobeynikov 962720129d Add first draft for conditions, conditional branches, etc 
llvm-svn: 70743
 2009-05-03 13:12:06 +00:00
Anton Korobeynikov aa51bff808 Hanle i8 returns 
llvm-svn: 70742
 2009-05-03 13:11:48 +00:00
Anton Korobeynikov 7212c15e70 Small tweaking 
llvm-svn: 70741
 2009-05-03 13:11:35 +00:00
Anton Korobeynikov f2b50994ca Add prologue/epilogue emission. Fix frame pointer handling. 
llvm-svn: 70740
 2009-05-03 13:11:20 +00:00