29843 Commits

Author SHA1 Message Date
Anton Korobeynikov
4906b76843 Change register allocation order to reduce amount of callee-saved regs to be spilled.
llvm-svn: 75944
2009-07-16 13:51:34 +00:00
Anton Korobeynikov
b4a6f3c467 Emit callee-saved regs spills / restores
llvm-svn: 75943
2009-07-16 13:51:12 +00:00
Anton Korobeynikov
64ff9c023a Scan for presence of calls and determine max callframe size early. To allow ProcessFunctionBeforeCalleeSaveScan() use this information
llvm-svn: 75942
2009-07-16 13:50:40 +00:00
Anton Korobeynikov
4fcadd1a7d Some preliminary call lowering
llvm-svn: 75941
2009-07-16 13:50:21 +00:00
Anton Korobeynikov
f4257ba74e Prologue / epilogue emission
llvm-svn: 75940
2009-07-16 13:49:49 +00:00
Anton Korobeynikov
dd60515f11 Add simple frame index elimination
llvm-svn: 75939
2009-07-16 13:49:25 +00:00
Anton Korobeynikov
6d15e5c657 Swap the order of imm and idx field for rri addrmode in order to make handling of rri and ri addrmodes common
llvm-svn: 75937
2009-07-16 13:48:42 +00:00
Anton Korobeynikov
c0374ea3e6 Do not truncate sign bits for negative imms
llvm-svn: 75936
2009-07-16 13:48:23 +00:00
Anton Korobeynikov
5e1fa67a23 Add address computation stuff
llvm-svn: 75935
2009-07-16 13:47:59 +00:00
Anton Korobeynikov
4409d9a464 Cleanup
llvm-svn: 75934
2009-07-16 13:47:36 +00:00
Anton Korobeynikov
47c086cc6b Add mem-imm stores
llvm-svn: 75933
2009-07-16 13:47:14 +00:00
Anton Korobeynikov
370d19266f [PATCH 023/155] Typo
llvm-svn: 75932
2009-07-16 13:45:22 +00:00
Anton Korobeynikov
b88da5c190 Add stores and truncstores
llvm-svn: 75931
2009-07-16 13:45:00 +00:00
Anton Korobeynikov
b262cec2d0 Add patterns for various extloads
llvm-svn: 75930
2009-07-16 13:44:30 +00:00
Anton Korobeynikov
58f9ca9055 Do some heroic rri address matching (shamelessly stolen from x86 backend). Not tested though.
llvm-svn: 75929
2009-07-16 13:44:00 +00:00
Anton Korobeynikov
ba9ee88377 Change register allocation order, so R0 will be allocated the last among scratch. This will make address-calculation code much more happy.
llvm-svn: 75928
2009-07-16 13:43:40 +00:00
Anton Korobeynikov
f080a4a0bd Add shifts and reg-imm address matching
llvm-svn: 75927
2009-07-16 13:43:18 +00:00
Anton Korobeynikov
de69aad588 Add bunch of 32-bit patterns... Uffff :)
llvm-svn: 75926
2009-07-16 13:42:31 +00:00
Anton Korobeynikov
7fbfe92a28 Propagate return result extension type
llvm-svn: 75925
2009-07-16 13:35:48 +00:00
Anton Korobeynikov
b902c71a90 Add 32 bit subregs
llvm-svn: 75923
2009-07-16 13:35:30 +00:00
Anton Korobeynikov
2f5b711ced Add another bunch of reg-imm patterns for add/or/and/xor
llvm-svn: 75922
2009-07-16 13:35:08 +00:00
Anton Korobeynikov
f63382b52b Add bunch of reg-imm movs
llvm-svn: 75921
2009-07-16 13:34:50 +00:00
Anton Korobeynikov
349c4f3410 Proper match halfword-imm operands for mov and add
llvm-svn: 75920
2009-07-16 13:34:24 +00:00
Anton Korobeynikov
dcc7d19ef3 Provide masked reg-imm 'or' and 'and'
llvm-svn: 75919
2009-07-16 13:33:57 +00:00
Anton Korobeynikov
c98835c743 Add reg-reg and pattern
llvm-svn: 75917
2009-07-16 13:32:49 +00:00
Anton Korobeynikov
2688d3c0a7 Add sub reg-reg pattern
llvm-svn: 75916
2009-07-16 13:32:16 +00:00
Anton Korobeynikov
2dd607fca7 Add xor reg-reg pattern
llvm-svn: 75915
2009-07-16 13:31:28 +00:00
Anton Korobeynikov
66b2612946 Add or reg-reg pattern.
llvm-svn: 75914
2009-07-16 13:30:53 +00:00
Anton Korobeynikov
ca9c5365ac Add add reg-reg and reg-imm patterns
llvm-svn: 75913
2009-07-16 13:30:15 +00:00
Anton Korobeynikov
7b8aec2c40 Add simple reg-reg and reg-imm moves
llvm-svn: 75912
2009-07-16 13:29:38 +00:00
Anton Korobeynikov
7fe1d9c90e Minimal lowering for formal_arguments / ret
llvm-svn: 75911
2009-07-16 13:28:59 +00:00
Anton Korobeynikov
8155f0cbaa Let's start another backend :)
llvm-svn: 75909
2009-07-16 13:27:25 +00:00
Richard Osborne
ee0ad3d09b Combine an unaligned store of unaligned load into a memmove.
llvm-svn: 75908
2009-07-16 12:50:48 +00:00
Richard Osborne
764d765724 Lower the threshold at which memcpy / memmove / memset stop being expanded
inline in the XCore.

llvm-svn: 75906
2009-07-16 12:41:34 +00:00
Richard Osborne
858b52a587 Fix typo in last commit on expansion of unaligned loads.
llvm-svn: 75903
2009-07-16 10:48:47 +00:00
Richard Osborne
0d65748f8f Expand unaligned 32 bit loads from an address which is a constant
offset from a 32 bit aligned base as follows:

  ldw low, base[offset >> 2]
  ldw high, base[(offset >> 2) + 1]
  shr low_shifted, low, (offset & 0x3) * 8
  shl high_shifted, high, 32 - (offset & 0x3) * 8
  or result, low_shifted, high_shifted

Expand 32 bit loads / stores with 16 bit alignment into two 16 bit
loads / stores.

llvm-svn: 75902
2009-07-16 10:42:35 +00:00
Richard Osborne
eb8036be44 Custom lower unaligned 32 bit stores and loads into libcalls. This is
a big code size win since before they were expanding to upto 16
instructions.

llvm-svn: 75901
2009-07-16 10:21:18 +00:00
Evan Cheng
7a6b20df7f Let callers decide the sub-register index on the def operand of rematerialized instructions.
Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.

llvm-svn: 75900
2009-07-16 09:20:10 +00:00
Chris Lattner
e12dcd84ca use SUBREG_TO_REG instead of INSERT_SUBREG, this way the code
generator can know the top bits are zero, not undefined.
Thanks to Dan for pointing this out.

llvm-svn: 75899
2009-07-16 06:31:37 +00:00
Bruno Cardoso Lopes
c69e9d53bb Fix coding style issues pointed by Bill.
llvm-svn: 75898
2009-07-16 06:26:41 +00:00
Chris Lattner
a9fcfe3d18 add a knob to turn off PrettyStackTrace globally. Patch by Zoltan
Varga!

llvm-svn: 75897
2009-07-16 06:17:45 +00:00
Chris Lattner
4939bd13ad implement .include in the lexer/parser instead of passing it into the streamer.
llvm-svn: 75896
2009-07-16 06:14:39 +00:00
Chris Lattner
65f6bc8631 fix some casts that I improperly refactored, patch by Artur Pietrek!
llvm-svn: 75894
2009-07-16 04:34:33 +00:00
Daniel Dunbar
362bc51871 Remove unused header.
llvm-svn: 75893
2009-07-16 04:01:35 +00:00
Daniel Dunbar
a567c0f537 Switch llc and createJIT to use simpler command line parsing for -march.
llvm-svn: 75890
2009-07-16 02:23:53 +00:00
Daniel Dunbar
ffc135d4d5 Add registered target list to --version output.
llvm-svn: 75889
2009-07-16 02:06:09 +00:00
Daniel Dunbar
90536f6737 Kill off <TARGET>MachineModule variables, and <TARGETASMPRINTER>ForceLink
variables.
 - Module initialization functions supplanted the need for these.

llvm-svn: 75886
2009-07-16 01:55:13 +00:00
Chris Lattner
e102784018 fix section switching to ensure that stubs are emitted to the right
section on ppc.

llvm-svn: 75881
2009-07-16 01:23:26 +00:00
Devang Patel
58a041b634 Skip special LLVM prefix '1' while emitting linknage name.
This prefix is used by LLVM to inform the asm printer to not emit usual global symbol prefix before the symbol name.

llvm-svn: 75875
2009-07-16 01:01:22 +00:00
Owen Anderson
8b6ad7143c Now that we have contexts on types, convert some more internals to use contexts.
llvm-svn: 75866
2009-07-16 00:03:07 +00:00