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1444 Commits

Author SHA1 Message Date
Peter Collingbourne
6c3094234e Support ; as asm separator 
llvm-svn: 119006
 2010-11-13 19:54:23 +00:00
Dale Johannesen
659061fcd3 Remove possibly useful info from comment, per Chris. 
llvm-svn: 118865
 2010-11-12 00:43:18 +00:00
Duncan Sands
41edf30895 Simplify uses of MVT and EVT. An MVT can be compared directly 
with a SimpleValueType, while an EVT supports equality and
inequality comparisons with SimpleValueType.

llvm-svn: 118169
 2010-11-03 12:17:33 +00:00
Duncan Sands
92f33ea784 Factorize the duplicated logic for choosing the right argument 
calling convention out of the fast and normal ISel files, and
into the calling convention TD file.

llvm-svn: 117856
 2010-10-31 13:21:44 +00:00
John Thompson
6115a7f1d4 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
llvm-svn: 117667
 2010-10-29 17:29:13 +00:00
Michael J. Spencer
5518dda87e x86-Win32: Switch ftol2 calling convention from stdcall to C. 
llvm-svn: 117474
 2010-10-27 18:52:38 +00:00
Dale Johannesen
2566d39d07 An stdcall function calling a non-stdcall function 
cannot use tailcall.  PR 8461.

llvm-svn: 117322
 2010-10-25 22:17:05 +00:00
Duncan Sands
8c5f243aa0 Add parentheses to pacify gcc, which warns otherwise. 
llvm-svn: 117020
 2010-10-21 16:02:12 +00:00
Michael J. Spencer
5a68d7ce94 X86: Add alloca probing to dynamic alloca on Windows. Fixes PR8424. 
llvm-svn: 116984
 2010-10-21 01:41:01 +00:00
Dale Johannesen
58fe3193a6 Remove Synthesizable from the Type system; as MMX vector 
types are no longer Legal on X86, we don't need it.
No functional change.  8499854.

llvm-svn: 116947
 2010-10-20 21:32:10 +00:00
Michael J. Spencer
e528f2588f X86: Add MS-CRT libcalls. 
llvm-svn: 116801
 2010-10-19 07:32:52 +00:00
Michael J. Spencer
cd6be63d05 Fix Whitespace. 
llvm-svn: 116800
 2010-10-19 07:32:42 +00:00
Eric Christopher
303692631e Combine these together - should probably have some text associated 
that says what why what we just asserted is wrong.

llvm-svn: 116333
 2010-10-12 19:44:17 +00:00
Nick Lewycky
a6815ae877 Mark variable 'NoImplicitFloatOps' used only in an assert as used. 
llvm-svn: 116323
 2010-10-12 18:18:03 +00:00
Dan Gohman
d904add908 Initial va_arg support for x86-64. Patch by David Meyer! 
llvm-svn: 116319
 2010-10-12 18:00:49 +00:00
Andrew Trick
5704a15e36 Fixes bug 8297: i386 cmpxchg8b, missing MachineMemOperand 
llvm-svn: 116214
 2010-10-11 19:02:04 +00:00
Michael J. Spencer
08b96a9209 X86: Call ulldiv and ftol2 on Windows instead of their libgcc eqivilents. 
llvm-svn: 116188
 2010-10-11 05:29:15 +00:00
Michael J. Spencer
8f7251a0e9 X86: MinGW should always use libgcc on Windows. 
llvm-svn: 116177
 2010-10-10 23:11:06 +00:00
Michael J. Spencer
b13cb4dd72 X86: Call _alldiv instead of __divdi3 on Windows (excluding cygwin). 
llvm-svn: 116174
 2010-10-10 22:04:34 +00:00
Michael J. Spencer
ae56350c76 Fix Whitespace. 
llvm-svn: 116173
 2010-10-10 22:04:20 +00:00
Cameron Esfahani
664317d6cd Recommit 116056, now with the missing file... 
llvm-svn: 116083
 2010-10-08 19:24:18 +00:00
Andrew Trick
0d8a3d67e0 reverting 116056: win64_params.ll may need to be conditionalized? 
llvm-svn: 116063
 2010-10-08 17:22:42 +00:00
Cameron Esfahani
a9f8bb1356 Small patch to restore home register stack space allocation for the Win64 case. Add test case. This code eventually needs to be tighter, since it's always allocating it, even in leaf routines. 
llvm-svn: 116056
 2010-10-08 10:31:30 +00:00
Evan Cheng
7c89d70f27 Canonicalize X86ISD::MOVDDUP nodes to v2f64 to make sure all cases match. Also eliminate unneeded isel patterns. rdar://8520311 
llvm-svn: 115977
 2010-10-07 20:50:20 +00:00
Anton Korobeynikov
f1acea8615 va_args support for Win64. 
Patch by Cameron!

llvm-svn: 115480
 2010-10-03 22:52:07 +00:00
Dale Johannesen
c14a1eda84 Massive rewrite of MMX: 
The x86_mmx type is used for MMX intrinsics, parameters and
return values where these use MMX registers, and is also
supported in load, store, and bitcast.

Only the above operations generate MMX instructions, and optimizations
do not operate on or produce MMX intrinsics. 

MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
smaller pieces.  Optimizations may occur on these forms and the
result casted back to x86_mmx, provided the result feeds into a
previous existing x86_mmx operation.

The point of all this is prevent optimizations from introducing
MMX operations, which is unsafe due to the EMMS problem.

llvm-svn: 115243
 2010-09-30 23:57:10 +00:00
Chris Lattner
2e3f9253fd improve indentation 
llvm-svn: 114815
 2010-09-27 06:34:01 +00:00
Eric Christopher
467683e4ab This code should never fire on non-darwin subtargets. 
llvm-svn: 114811
 2010-09-27 06:01:51 +00:00
Dale Johannesen
d75242fa84 We can't return SSE/MMX vectors if SSE is disabled. 
llvm-svn: 114745
 2010-09-24 19:05:48 +00:00
Bob Wilson
3ff9f2d102 Attempt to fix llvm-gcc build. It was crashing when building gcov.o for an 
ARM cross-compiler on x86, because the MMO size did not match the type size.
This fixes the MMO size and also the size of the stack object to match the
type size.

llvm-svn: 114554
 2010-09-22 17:35:14 +00:00
Chris Lattner
26d11d7501 reimplement elf TLS support in terms of addressing modes, eliminating SegmentBaseAddress. 
llvm-svn: 114529
 2010-09-22 04:39:11 +00:00
Chris Lattner
c81dcbec9e convert the last 4 X86ISD nodes that should have memoperands to have them. 
llvm-svn: 114523
 2010-09-22 01:28:21 +00:00
Chris Lattner
29754fc406 give X86ISD::FNSTCW16m a memoperand, since it touches memory. It only 
can access the stack due to how it is generated though.

llvm-svn: 114522
 2010-09-22 01:11:26 +00:00
Chris Lattner
fee1ac61bd give FP_TO_INT16_IN_MEM and friends a memoperand. They are only 
used with stack slots, but hey, lets be safe.

llvm-svn: 114521
 2010-09-22 01:05:16 +00:00
Chris Lattner
e52da86fab give VZEXT_LOAD a memory operand, it now works with segment registers. 
llvm-svn: 114515
 2010-09-22 00:34:38 +00:00
Chris Lattner
f9861312cb give LCMPXCHG_DAG[8] a memory operand, allowing it to work with addrspace 256/257 
llvm-svn: 114508
 2010-09-21 23:59:42 +00:00
Owen Anderson
f6dd8e7f5c Reimplement r114460 in target-independent DAGCombine rather than target-dependent, by using 
the predicate to discover the number of sign bits.  Enhance X86's target lowering to provide
a useful response to this query.

llvm-svn: 114473
 2010-09-21 20:42:50 +00:00
Chris Lattner
3dde58c15a convert a couple more places to use the new getStore() 
llvm-svn: 114463
 2010-09-21 18:51:21 +00:00
Owen Anderson
97a8fdc19c When adding the carry bit to another value on X86, exploit the fact that the carry-materialization 
(sbbl x, x) sets the registers to 0 or ~0.  Combined with two's complement arithmetic, we can fold
the intermediate AND and the ADD into a single SUB.

This fixes <rdar://problem/8449754>.

llvm-svn: 114460
 2010-09-21 18:41:19 +00:00
Chris Lattner
5f584efd31 eliminate some uses of the getStore overload. 
llvm-svn: 114453
 2010-09-21 17:50:43 +00:00
Chris Lattner
4320dda4fb convert the targets off the non-MachinePointerInfo of getLoad. 
llvm-svn: 114410
 2010-09-21 06:44:06 +00:00
Chris Lattner
112cf9bc89 it's more elegant to put the "getConstantPool" and 
"getFixedStack" on the MachinePointerInfo class.  While
this isn't the problem I'm setting out to solve, it is the
right way to eliminate PseudoSourceValue, so lets go with it.

llvm-svn: 114406
 2010-09-21 06:22:23 +00:00
Chris Lattner
810a630851 update the X86 backend to use the MachinePointerInfo version of one 
of the getLoad methods.  This fixes at least one bug where an incorrect
svoffset is passed in (a potential combiner-aa miscompile).

llvm-svn: 114404
 2010-09-21 06:02:19 +00:00
Chris Lattner
f94de5bf46 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo 
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.

llvm-svn: 114401
 2010-09-21 05:40:29 +00:00
Chris Lattner
2edbad8a3d convert targets to the new MF.getMachineMemOperand interface. 
llvm-svn: 114391
 2010-09-21 04:39:43 +00:00
John Thompson
ae3a86d6de Added skeleton for inline asm multiple alternative constraint support. 
llvm-svn: 113766
 2010-09-13 18:15:37 +00:00
Bruno Cardoso Lopes
a74c787dc8 Minor change. Fix comments and remove unused and redundant code 
llvm-svn: 113378
 2010-09-08 18:12:31 +00:00
Bruno Cardoso Lopes
892c337123 x86 vector shuffle lowering now relies only on target specific 
nodes to emit shuffles and don't do isel mask matching anymore.
- Add the selection of the remaining shuffle opcode (movddup)
- Introduce two new functions to "recognize" where we may get
potential folds and add several comments to them explaining why
they are not yet in the desidered shape.
- Add more patterns to fallback the case where we select
a specific shuffle opcode as if it could fold a load, but it
can't, so remap to a valid instruction.
- Add a couple of FIXMEs to address in the following days once
there's a good solution to the current folding problem.

llvm-svn: 113369
 2010-09-08 17:43:25 +00:00
Bruno Cardoso Lopes
a4ca8c3ac5 Factor out some x86 vector shuffle rewriting and add comments about the direction the shuffle lowering is heading to 
llvm-svn: 113286
 2010-09-07 21:03:14 +00:00
Bruno Cardoso Lopes
e33983dba9 Move code around to prepare for moving some of the logic together to another function 
llvm-svn: 113267
 2010-09-07 20:20:27 +00:00