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Author SHA1 Message Date
Gabor Greif
c6deccbe3a do not compare actual branch labels; this may fix llvm-gcc-x86_64-darwin10-cross-mingw32 buildbot too 
llvm-svn: 115034
 2010-09-29 10:45:43 +00:00
Gabor Greif
e1de402213 improve heuristics to find the 'and' corresponding to 'tst' to also catch opportunities on thumb2 
added some doxygen on the way

llvm-svn: 115033
 2010-09-29 10:12:08 +00:00
Chris Lattner
7d85c2b8f6 add some random notes. 
llvm-svn: 115032
 2010-09-29 07:25:03 +00:00
Chris Lattner
f823b68060 merge all the llvm-gcc pieces together. Recommend that people try dragonegg if they care about fortran performance. 
llvm-svn: 115031
 2010-09-29 05:34:42 +00:00
Chris Lattner
f13b1d5c18 prepare for new content. 
llvm-svn: 115030
 2010-09-29 05:30:03 +00:00
Chris Lattner
9c58de2dc4 fix rdar://8490728 - llvm-mc rejects gpr64 form of 'movmskpd' 
llvm-svn: 115029
 2010-09-29 05:05:03 +00:00
Chris Lattner
890c21a20a add assembler support for the cvtsd2sil/cvtsd2siq mnemonics, rdar://8456382 
llvm-svn: 115027
 2010-09-29 04:55:40 +00:00
Michael J. Spencer
65330be0ae MC-COFF: Fix test. IMAGE_SYM_CLASS_LABEL should never have been emitted. 
llvm-svn: 115024
 2010-09-29 03:59:25 +00:00
Chris Lattner
54939ddf1f make the x86 mccode emitter emit the 0x67 and 0x66 prefix bytes in the same 
order as cctools for diffability.

llvm-svn: 115022
 2010-09-29 03:43:43 +00:00
Chris Lattner
13354d7bbc implement support for 32-bit address operands in 64-bit mode, which 
are defined to emit the 0x67 prefix byte.  rdar://8482675

llvm-svn: 115021
 2010-09-29 03:33:25 +00:00
Michael J. Spencer
9c138864bc MC-COFF: Fix symbol storage class for globals 
llvm-svn: 115020
 2010-09-29 03:13:41 +00:00
Chris Lattner
c14d59589c add basic avx support to the disassembler, also teach it about ssmem/sdmem 
operands.

With this done, we can remove the _Int suffixes from the round instructions
without the disassembler blowing up.  This allows the assembler to support
them, implementing rdar://8456376 - llvm-mc rejects 'roundss'

llvm-svn: 115019
 2010-09-29 02:57:56 +00:00
Chris Lattner
f90296b045 add asmparser support for cvttpd2dq by removing some Int_ prefixes. 
Clean up cvttps2dq by removing some redundant implementations of the
same instruction.  rdar://8456382

llvm-svn: 115018
 2010-09-29 02:36:32 +00:00
Chris Lattner
e5c5c8dc1f implement rdar://8456382 - cvtsd2si support, by removing some Int_ prefixes. 
llvm-svn: 115017
 2010-09-29 02:24:57 +00:00
Chris Lattner
cbecb9a4d3 implement rdar://8456378 and PR7557 - support for the fstsw, 
an instruction that requires a WHOLE NEW wonderful kind of alias.

llvm-svn: 115015
 2010-09-29 01:50:45 +00:00
Chris Lattner
9b9a847b8c change the protocol TargetAsmPArser::MatchInstruction method to take an 
MCStreamer to emit into instead of an MCInst to fill in.  This allows the
matcher extra flexibility and is more convenient.

llvm-svn: 115014
 2010-09-29 01:42:58 +00:00
Eric Christopher
e81be3c669 Rework comparison handling to set a register on true/false. This avoids 
problems with phi-nodes in blocks that have hard and not virtual registers.

Accordingly update branch handling to compensate.

llvm-svn: 115013
 2010-09-29 01:14:47 +00:00
Eric Christopher
0bde6df6a3 Remove unnecessary set ahead of time. 
llvm-svn: 115011
 2010-09-29 00:50:57 +00:00
Evan Cheng
7eb08b1ad9 Separate itinerary classes for mvn from mov; for tst / teq from cmp / cmn. 
llvm-svn: 115010
 2010-09-29 00:49:25 +00:00
Eric Christopher
c9ebc75b88 Remove assert, add comment. 
llvm-svn: 115009
 2010-09-29 00:49:09 +00:00
Evan Cheng
7fffe3cf58 Assign bitwise binary instructions different itinerary classes from ALU instructions such as add / sub. 
llvm-svn: 115008
 2010-09-29 00:27:46 +00:00
Evan Cheng
39c462b4f1 Add support to model pipeline bypass / forwarding. 
llvm-svn: 115005
 2010-09-28 23:50:49 +00:00
Bill Wendling
b01224f53c And remove r114997's test. 
llvm-svn: 115003
 2010-09-28 23:24:18 +00:00
Bill Wendling
fc29f0d706 Revert r114997. It was causing a failure on darwin10-selfhost. 
llvm-svn: 115002
 2010-09-28 23:11:55 +00:00
Eric Christopher
2803dbc225 32-bit constant ints only for now. 
llvm-svn: 115001
 2010-09-28 22:47:54 +00:00
Oscar Fuentes
eb27a44982 Removed a bunch of unnecessary target_link_libraries. 
llvm-svn: 114999
 2010-09-28 22:39:14 +00:00
Oscar Fuentes
64441f124a Simplified LLVMConfig. 
llvm-svn: 114998
 2010-09-28 22:38:39 +00:00
Bill Wendling
13775375ed Fix a FIXME. _foo.eh symbols are currently always exported so that the linker 
knows about them. This is not necessary on 10.6 and later.

llvm-svn: 114997
 2010-09-28 22:36:56 +00:00
Dan Gohman
898f765c13 When an MDNode changes to become identical to another MDNode, 
delete the MDNode that changed, rather than the other MDNode.
This is less work, because it doesn't require the changed node
to be re-inserted into the uniquing map and it doesn't require
the is-function-local flag to be recomputed. Also, it avoids
trouble when the existing node is part of a complicated
data structure.

llvm-svn: 114996
 2010-09-28 22:07:19 +00:00
Owen Anderson
c34e1296b8 Add a subtarget hook for reporting the misprediction penalty. Use this to provide more precise 
cost modeling for if-conversion.  Now if only we had a way to estimate the misprediction probability.

Adjsut CodeGen/ARM/ifcvt10.ll.  The pipeline on Cortex-A8 is long enough that it is still profitable
to predicate an ldm, but the shorter pipeline on Cortex-A9 makes it unprofitable.

llvm-svn: 114995
 2010-09-28 21:57:50 +00:00
Eric Christopher
3024929d5a Integer materialization needed the same thinko change. 
llvm-svn: 114994
 2010-09-28 21:55:34 +00:00
Nick Lewycky
b9daeb2fd0 Resolve this GCC warning: 
ARMTargetMachine.cpp:53: error: control reaches end of non-void function

llvm-svn: 114992
 2010-09-28 21:40:26 +00:00
Anton Korobeynikov
f1be021755 User proper libcall names & condcodes while compiling for ARM EABI. 
Patch by Evzen Muller!

llvm-svn: 114991
 2010-09-28 21:39:26 +00:00
Dan Gohman
e6de2f7a66 Scope a varible inside an if statement, to make it clear that 
it's not used afterwards.

llvm-svn: 114986
 2010-09-28 21:02:55 +00:00
Owen Anderson
87245e5e04 Give the if-converter access to MachineLoopInfo, and use it to generate plausible branch prediction 
estimates.

llvm-svn: 114981
 2010-09-28 20:42:15 +00:00
Bill Wendling
6c49954a21 Fix spelling. 
llvm-svn: 114974
 2010-09-28 18:54:43 +00:00
Owen Anderson
c0e1200323 Part one of switching to using a more sane heuristic for determining if-conversion profitability. 
Rather than having arbitrary cutoffs, actually try to cost model the conversion.

For now, the constants are tuned to more or less match our existing behavior, but these will be
changed to reflect realistic values as this work proceeds.

llvm-svn: 114973
 2010-09-28 18:32:13 +00:00
Nick Lewycky
69d1069a4b Make ConstantRange::makeICmpRegion handle all the edge cases properly. This 
also fixes PR8250.

llvm-svn: 114972
 2010-09-28 18:18:36 +00:00
Devang Patel
e1f502ee26 Provide an interface to let FEs anchor debug info for types. 
llvm-svn: 114969
 2010-09-28 18:08:20 +00:00
Jim Grosbach
ad51f6522d Add target triple info to these tests to make the results comparable when 
hosted on different platforms.

llvm-svn: 114965
 2010-09-28 17:10:36 +00:00
Jim Grosbach
7915d03313 Factor out dbg_value comment printing and teach MC asm printing to use it. 
This should make the arm-linux self-host buildbot happy again.

llvm-svn: 114964
 2010-09-28 17:05:56 +00:00
Rafael Espindola
c604f87ba4 On elf, undefined symbols can start with .L. 
llvm-svn: 114958
 2010-09-28 16:19:11 +00:00
Oscar Fuentes
b8b0209acb Use the canonical library name for library PIC16Passes. 
llvm-svn: 114953
 2010-09-28 14:24:47 +00:00
Oscar Fuentes
748691cf20 Added library LLVMPIC16passes to CMake build. 
llvm-svn: 114952
 2010-09-28 14:02:45 +00:00
Oscar Fuentes
3c58c66484 Added PTX target to the CMake build. 
llvm-svn: 114951
 2010-09-28 14:02:36 +00:00
Oscar Fuentes
cd481d2723 Add ARM Disassembler to the CMake build. 
llvm-svn: 114949
 2010-09-28 11:48:19 +00:00
Che-Liang Chiou
cf3ce50cc0 Remove trailing spaces of MipsMachineFunction.h 
llvm-svn: 114948
 2010-09-28 10:06:53 +00:00
Che-Liang Chiou
6a72cc8a38 Remove trailing spaces of MipsTargetObjectFile.cpp 
llvm-svn: 114947
 2010-09-28 09:55:24 +00:00
Eric Christopher
bff0f1805f 80-col fixups. 
llvm-svn: 114943
 2010-09-28 04:18:29 +00:00
Bob Wilson
dc396388cb Add a command line option "-arm-strict-align" to disallow unaligned memory 
accesses for ARM targets that would otherwise allow it.  Radar 8465431.

llvm-svn: 114941
 2010-09-28 04:09:35 +00:00