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1384 Commits

Author SHA1 Message Date
Bruno Cardoso Lopes
d344f28b9d Previous isMOVLMask matching already emits targets nodes, remove check 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113047 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:50:08 +00:00
Bruno Cardoso Lopes
e09abcd3c4 One more check from the original isShuffleMaskLegal goes away 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113045 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:46:16 +00:00
Bruno Cardoso Lopes
b733996110 Remove a duplicated but useless check that i've inserted in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:43:12 +00:00
Bruno Cardoso Lopes
a22c84571a Refactor some code and remove the extra checks for unpckl_undef and unpckh_undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113043 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-04 00:39:43 +00:00
Bruno Cardoso Lopes
43c05744b5 Remove check for unpckh mask 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113035 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 23:32:47 +00:00
Bruno Cardoso Lopes
ef3adb3243 Remove check for unpckl mask 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 23:31:50 +00:00
Bruno Cardoso Lopes
7256e22f77 Inline isShuffleMaskLegal into LowerVECTOR_SHUFFLE, so we can start 
checking each standalone condition and decide whether emit target
specific nodes or remove the condition if it's already matched before.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 23:24:06 +00:00
Bruno Cardoso Lopes
e8f279cbd4 Reapply considered harmfull part of rr112934 and r112942. 
"Use target specific nodes instead of relying in unpckl and
unpckh pattern fragments during isel time. Also place a
depth limit in getShuffleScalarElt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 22:09:41 +00:00
Bruno Cardoso Lopes
2a4460606e Reintroduce a simple function refactoring done in r112934, also without any functionality changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113008 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 20:20:02 +00:00
Bruno Cardoso Lopes
be8b084d8a Reapply piecies of r112942 and r112934 which don't do 
functional changes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113007 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 20:10:35 +00:00
Bruno Cardoso Lopes
b3e0669b8e Reapply Fix comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113006 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:55:05 +00:00
Daniel Dunbar
3139422058 Revert r112934, "- Use specific nodes to match unpckl masks.", which introduced 
some infinite loop and select failures.
 - Apologies for eager reverting, but its branch day.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113000 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:38:11 +00:00
Daniel Dunbar
78541f258c Revert r112938 "Fix comment", which depends on r112934, which introduced some 
infinite loop and select failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112999 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:38:08 +00:00
Daniel Dunbar
a87ccce95b Revert r112942, "Use punpckh and unpckh family of nodes instead of using unpckh 
mask pattern fragment", which depends on r112934, which introduced some infinite
loop and select failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112998 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 19:38:05 +00:00
Bruno Cardoso Lopes
4b0c9f3e73 Use punpckh and unpckh family of nodes instead of using unpckh mask pattern fragment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112942 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 01:39:08 +00:00
Bruno Cardoso Lopes
01f0847ce8 Fix comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112938 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 01:28:51 +00:00
Bruno Cardoso Lopes
5e5342b0a8 - Use specific nodes to match unpckl masks. 
- Teach getShuffleScalarElt how to handle more target
specific nodes, so the DAGCombine can make use of it.
- Add another hack to avoid the node update problem
during legalization. More description on the comments



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112934 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-03 01:24:00 +00:00
Anton Korobeynikov
c7c62bb3ca Revert win64 changes. They seem to be incomplete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112885 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 22:31:32 +00:00
Anton Korobeynikov
2f4fad99ea Properly allocate win64 shadow reg area. 
Patch by Jan Sjodin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 22:16:28 +00:00
Bruno Cardoso Lopes
3722f007b6 Replace unpckl_undef and unpckh_undef matching with target specific opcodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112806 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 05:23:12 +00:00
Bruno Cardoso Lopes
dd69db858c Move condition out to prepare for more matching 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 04:20:26 +00:00
Bruno Cardoso Lopes
ad10fb2b56 Remove checking for isUNPCKL_v_undef_Mask, the specific node is already emitted for it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 03:57:58 +00:00
Bruno Cardoso Lopes
d00bfe1f8d become more strict about when it's safe to use X86ISD::MOVLPS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112799 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 02:35:51 +00:00
Bruno Cardoso Lopes
4783a3ee13 Revert r112689, avoid those kind of checks cause they mess up with mmx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112760 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:59:03 +00:00
Bruno Cardoso Lopes
56098f5d26 Use movlps, movlpd, movss and movsd specific nodes instead of pattern matching with movlp pattern fragment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 05:08:25 +00:00
Bruno Cardoso Lopes
9cfad89a68 minor change, simplify some logic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112689 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 00:57:08 +00:00
Bruno Cardoso Lopes
e654b56eb1 Move some functions around so they can be used for some other to come function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 00:51:36 +00:00
Bruno Cardoso Lopes
013bb3dee9 Use x86 specific MOVSLDUP node, add more patterns to match it and remove useless load nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:35:05 +00:00
Bruno Cardoso Lopes
5023ef281c Use x86 specific MOVSHDUP node and add more patterns to match it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112657 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 22:22:11 +00:00
Bruno Cardoso Lopes
7ff30bb1a5 Use MOVHLPS node instead of matching using movhlps and movhlps_undef pattern fragments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:38:49 +00:00
Bruno Cardoso Lopes
f2db5b48d0 Use MOVLHPS and MOVHLPS x86 nodes whenever possible. Also remove some useless nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 21:15:21 +00:00
Bruno Cardoso Lopes
20a07f422d Use X86ISD::MOVSS and MOVSD to represent the movl mask pattern, also fix the handling of those nodes when seeking for scalars inside vector shuffles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-31 02:26:40 +00:00
Chris Lattner
24faf611a3 fix the buildvector->insertp[sd] logic to not always create a redundant 
insertp[sd] $0, which is a noop.  Before:

_f32:                                   ## @f32
	pshufd	$1, %xmm1, %xmm2
	pshufd	$1, %xmm0, %xmm3
	addss	%xmm2, %xmm3
	addss	%xmm1, %xmm0
                                        ## kill: XMM0<def> XMM0<kill> XMM0<def>
	insertps	$0, %xmm0, %xmm0
	insertps	$16, %xmm3, %xmm0
	ret

after:

_f32:                                   ## @f32
	movdqa	%xmm0, %xmm2
	addss	%xmm1, %xmm2
	pshufd	$1, %xmm1, %xmm1
	pshufd	$1, %xmm0, %xmm3
	addss	%xmm1, %xmm3
	movdqa	%xmm2, %xmm0
	insertps	$16, %xmm3, %xmm0
	ret

The extra movs are due to a random (poor) scheduling decision.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112379 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 17:59:08 +00:00
Chris Lattner
3ddcc43040 fix the BuildVector -> unpcklps logic to not do pointless shuffles 
when the top elements of a vector are undefined.  This happens all
the time for X86-64 ABI stuff because only the low 2 elements of
a 4 element vector are defined.  For example, on:

_Complex float f32(_Complex float A, _Complex float B) {
  return A+B;
}

We used to produce (with SSE2, SSE4.1+ uses insertps):

_f32:                                   ## @f32
	movdqa	%xmm0, %xmm2
	addss	%xmm1, %xmm2
	pshufd	$16, %xmm2, %xmm2
	pshufd	$1, %xmm1, %xmm1
	pshufd	$1, %xmm0, %xmm0
	addss	%xmm1, %xmm0
	pshufd	$16, %xmm0, %xmm1
	movdqa	%xmm2, %xmm0
	unpcklps	%xmm1, %xmm0
	ret

We now produce:

_f32:                                   ## @f32
	movdqa	%xmm0, %xmm2
	addss	%xmm1, %xmm2
	pshufd	$1, %xmm1, %xmm1
	pshufd	$1, %xmm0, %xmm3
	addss	%xmm1, %xmm3
	movaps	%xmm2, %xmm0
	unpcklps	%xmm3, %xmm0
	ret

This implements rdar://8368414


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 17:28:30 +00:00
Chris Lattner
6e80e44926 improve comments in the unpcklps generating logic, introduce 
a new EltStride variable instead of reusing NumElems variable
for a non-obvious purpose.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 17:15:43 +00:00
Bruno Cardoso Lopes
27f1279411 Clean up the logic of vector shuffles -> vector shifts. 
Also teach this logic how to handle target specific shuffles if
needed, this is necessary while searching recursively for zeroed
scalar elements in vector shuffle operands.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-28 02:46:39 +00:00
Anton Korobeynikov
c52bedba54 Properly handle passing of FP stuff to varargs function on Win64: 
value should be copied to the corresponding shadow reg as well.
Patch by Cameron Esfahani!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-27 14:43:06 +00:00
Bruno Cardoso Lopes
af57738f00 zap the now unused MVT::getIntVectorWithNumElements 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112218 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 20:53:12 +00:00
Chris Lattner
8306968c14 implement SplitVecOp_CONCAT_VECTORS, fixing the included testcase with SSE1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 05:51:22 +00:00
Chris Lattner
97a2a56f43 fix sse1 only codegen in x86-64 mode, which is something we 
apparently try to support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 05:24:29 +00:00
Bruno Cardoso Lopes
3e60a232c1 Revert this for now, PUNPCKLDQ dont operate on v4f32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 21:26:37 +00:00
Anton Korobeynikov
9f7f83b861 Fix nasty mingw32 bug, which e.g. prevented llvm-gcc bootstrap there. 
Mark _alloca call as clobberring EFLAGS, otherwise some DCE might remove
other flags-clobberring stuff (e.g. cmp instructions) occuring after
_alloca call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 07:50:11 +00:00
Bruno Cardoso Lopes
f76c55aa40 PUNPCKLDQ should also be used for v4f32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 02:55:40 +00:00
Bruno Cardoso Lopes
7338bbd32a teach lowering to get target specific nodes for pshufd, emulating the same isel behavior for now, so we can pass all vector shuffle tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 02:35:37 +00:00
Dan Gohman
92b651fb19 Fix X86's isLegalAddressingMode to recognize that static addresses 
need not be RIP-relative in small mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 15:55:12 +00:00
Bruno Cardoso Lopes
8878e21fe6 Use pshufhw and pshuflw in more cases and fix getTargetShuffleNode number of arguments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111890 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 01:16:15 +00:00
Bruno Cardoso Lopes
3efc0778c9 Start using target speficic nodes for shuffles: pshufhw and pshuflw 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111837 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 20:41:02 +00:00
Anton Korobeynikov
4654a07e25 Revert invalid r111792. Jump tables are not broken on x86-64 / coff, 
it's COFF emitter which does not support differences of two symbols
(and needs to be fixed). GAS is pretty fine with code produced.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 07:38:51 +00:00
Michael J. Spencer
3464cec4d8 Workaround broken jump tables on x86-64 COFF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111792 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 04:45:37 +00:00
Bruno Cardoso Lopes
bf8154a439 Prepare LowerVECTOR_SHUFFLEv8i16 to use x86 target specific nodes directly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111704 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-21 01:32:18 +00:00