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22825 Commits

Author SHA1 Message Date
Chris Lattner ebb7489537 Pass in a value type to getRegForInlineAsmConstraint, allowing targets to 
select different sets of registers depending on the type requested.

llvm-svn: 26304
 2006-02-21 23:10:29 +00:00
Evan Cheng d58478161f One more round of reorg so sabre doesn't freak out. :-) 
llvm-svn: 26303
 2006-02-21 20:00:20 +00:00
Evan Cheng 6fc1162855 A big more cleaning up. 
llvm-svn: 26302
 2006-02-21 19:30:30 +00:00
Evan Cheng 8711b6bff3 Moving things to their proper places. 
llvm-svn: 26301
 2006-02-21 19:26:52 +00:00
Evan Cheng 6e595b9fd8 Split instruction info into multiple files, one for each of x87, MMX, and SSE. 
llvm-svn: 26300
 2006-02-21 19:13:53 +00:00
Chris Lattner 0a08f44704 missed optzn 
llvm-svn: 26299
 2006-02-21 18:29:44 +00:00
Chris Lattner 747cf60696 The HasNoV9 hack isn't needed here, now that tblgen knows that CustomDAGSchedInserter 
instructions are expensive.

llvm-svn: 26298
 2006-02-21 18:04:32 +00:00
Evan Cheng d57203c0a1 Added separate alias instructions for SSE logical ops that operate on non-packed types. 
llvm-svn: 26297
 2006-02-21 02:24:38 +00:00
Evan Cheng afffe63fc1 Added MMX and XMM packed integer move instructions, movd and movq. 
llvm-svn: 26296
 2006-02-21 01:39:57 +00:00
Evan Cheng fa57a0add9 Added SSE2 128-bit integer packed types: V16I8, V8I16, V4I32, and V2I64. 
Added generic vector types: VR64 and VR128.

llvm-svn: 26295
 2006-02-21 01:38:21 +00:00
Evan Cheng 43070b7541 Added x86 integer vector types: 64-bit packed byte integer (v16i8), 64-bit 
packed word integer (v8i16), and 64-bit packed doubleword integer (v2i32).

llvm-svn: 26294
 2006-02-20 22:34:53 +00:00
Evan Cheng 4547400ae2 Some updates 
llvm-svn: 26292
 2006-02-20 19:58:27 +00:00
Chris Lattner 301f45cf6f Fix a problem Nate and Duraid reported where simplifying nodes can cause 
them to get ressurected, in which case, deleting the undead nodes is
unfriendly.

llvm-svn: 26291
 2006-02-20 06:51:04 +00:00
Chris Lattner 486d1bc5ed Fix a problem on itanium with memset. The value to set has been promoted to 
i64 before this code, so zero_ext doesn't work.

llvm-svn: 26290
 2006-02-20 06:38:35 +00:00
Chris Lattner c2e3a7a4ce improved support for branch folding, still not enabled. 
llvm-svn: 26289
 2006-02-18 07:57:38 +00:00
Evan Cheng d13778eb30 If SSE3 is available, promote FP_TO_UINT i32 to FP_TO_SINT i64 to take 
advantage of fisttpll.

llvm-svn: 26288
 2006-02-18 07:26:17 +00:00
Jeff Cohen 0add83e969 Fix bugs identified by VC++. 
llvm-svn: 26287
 2006-02-18 03:20:33 +00:00
Nate Begeman 983ca89714 Add a fold for add that exchanges it with a constant shift if possible, so 
that the shift may be more easily folded into other operations.

llvm-svn: 26286
 2006-02-18 02:43:25 +00:00
Chris Lattner 19fa8ac938 Implement deletion of dead blocks, currently disabled. 
llvm-svn: 26285
 2006-02-18 02:42:34 +00:00
Nate Begeman abac61603f Add checks to make sure we don't create bogus extend nodes, and fix a bug 
where we were doing exactly that which was causing failures on x86 and
alpha.

llvm-svn: 26284
 2006-02-18 02:40:58 +00:00
Evan Cheng 70af620709 Added fisttp for fp to int conversion. 
llvm-svn: 26283
 2006-02-18 02:36:28 +00:00
Evan Cheng 33f4156663 Bump up pattern cost if the resulting instruction is marked 
usesCustomDAGSchedInserter.

llvm-svn: 26282
 2006-02-18 02:33:09 +00:00
Evan Cheng 06c2e6d1b3 Disable PIC for JIT. 
llvm-svn: 26281
 2006-02-18 01:49:25 +00:00
Chris Lattner cb853de534 a previous patch completely disabled trivial unswitching, this fixees it. 
Thanks to nate for pointing this out :)

llvm-svn: 26280
 2006-02-18 01:32:04 +00:00
Chris Lattner 29f771ba21 initial trivial support for folding branches that have now-constant destinations. 
llvm-svn: 26279
 2006-02-18 01:27:45 +00:00
Evan Cheng 5caed8a231 Jit does not support PIC yet. 
llvm-svn: 26278
 2006-02-18 00:57:10 +00:00
Chris Lattner 8e44ff50b0 When unswitching a loop, make sure to update loop info with exit blocks in 
the right loop.

llvm-svn: 26277
 2006-02-18 00:55:32 +00:00
Chris Lattner d95665188b Fix Transforms/SimplifyCFG/2006-02-17-InfiniteUnroll.ll 
llvm-svn: 26275
 2006-02-18 00:33:17 +00:00
Chris Lattner 88b8e3bb71 new testcase that crashes simplifycfg 
llvm-svn: 26274
 2006-02-18 00:32:44 +00:00
Evan Cheng 5588de9415 x86 / Darwin PIC support. 
llvm-svn: 26273
 2006-02-18 00:15:05 +00:00
Evan Cheng 5f99760ae7 Moved PICEnabled to include/llvm/Target/TargetOptions.h 
llvm-svn: 26272
 2006-02-18 00:08:58 +00:00
Evan Cheng 94a8bd4290 Move PICEnabled declaration here. 
llvm-svn: 26271
 2006-02-18 00:06:03 +00:00
Chris Lattner 375e1a71cc Fix a tricky issue in the SimplifyDemandedBits code where CombineTo wasn't 
exactly the API we wanted to call into.  This fixes the crash on crafty last
night.

llvm-svn: 26269
 2006-02-17 21:58:01 +00:00
Chris Lattner 4a717bbbfb add a new method 
llvm-svn: 26268
 2006-02-17 21:57:00 +00:00
Nate Begeman 8d0e47a017 A few final (for now) tests 
llvm-svn: 26267
 2006-02-17 21:38:45 +00:00
Nate Begeman 6aee554aa1 Yet another test 
llvm-svn: 26266
 2006-02-17 21:32:46 +00:00
Nate Begeman 5e176da364 New tests! 
llvm-svn: 26265
 2006-02-17 21:22:08 +00:00
Robert Bocchino 820bc75b8b Added documentation for vset and vselect. 
llvm-svn: 26264
 2006-02-17 21:18:08 +00:00
Nate Begeman fb5dbadf15 Clean up DemandedBitsAreZero interface 
Make more use of the new mask helpers in valuetypes.h
Combine (sra (srl x, c1), c1) -> sext_inreg if legal

llvm-svn: 26263
 2006-02-17 19:54:08 +00:00
Nate Begeman 1d7d611ba4 Fix a nit sabre noticed 
llvm-svn: 26262
 2006-02-17 18:06:19 +00:00
Nate Begeman 57b3567552 Don't expand sdiv by power of two before legalize, since it will likely 
generate illegal nodes.

llvm-svn: 26261
 2006-02-17 07:26:20 +00:00
Chris Lattner 07a2677e43 unbreak the build 
llvm-svn: 26260
 2006-02-17 07:09:27 +00:00
Evan Cheng 593bea73ba Unbreak x86 be 
llvm-svn: 26259
 2006-02-17 07:01:52 +00:00
Chris Lattner baddba41c7 Fix loops where the header has an exit, fixing a loop-unswitch crash on crafty 
llvm-svn: 26258
 2006-02-17 06:39:56 +00:00
Nate Begeman 42c9e4df6f Fix a comment sabre noticed :) 
llvm-svn: 26257
 2006-02-17 06:24:31 +00:00
Nate Begeman 669ad7ea19 A couple new regression tests to make sure we always pattern match the new 
opcodes on ppc.

llvm-svn: 26256
 2006-02-17 06:16:56 +00:00
Nate Begeman 5965bd19f8 kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC 
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255
 2006-02-17 05:43:56 +00:00
Chris Lattner 9ec392b2aa Fix another miscompilation exposed by lencode, where we lowered i64->f32 
conversions to __floatdidf instead of __floatdisf on targets that support
f32 but not i64 (e.g. sparc).

llvm-svn: 26254
 2006-02-17 04:32:33 +00:00
Chris Lattner 67c21b6c46 add note about div by power of 2 
llvm-svn: 26253
 2006-02-17 04:20:13 +00:00
Jeff Cohen 0d62ebd13f Fix bug noticed by VC++. 
llvm-svn: 26252
 2006-02-17 02:12:18 +00:00