Chris Lattner
2f70c8cfa2
Some more cases that can be generated with two instructions
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27759 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 17:54:18 +00:00
Chris Lattner
966083fd1a
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27758 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 17:29:41 +00:00
Evan Cheng
5001ea1078
FP SETOLT, SETOLT, SETUGE, SETUGT conditions were implemented incorrectly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27755 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 07:24:10 +00:00
Chris Lattner
6876e66e5d
Make some code more general, adding support for constant formation of several
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new patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27754 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:58:41 +00:00
Chris Lattner
2c4e9c8a3d
New testcases
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27753 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:58:16 +00:00
Chris Lattner
c408382eca
Learn how to make odd splatted constants in range [17,29]. This implements
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PowerPC/vec_constants.ll:test_29.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27752 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:07:44 +00:00
Chris Lattner
33f24a9b17
new testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27751 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:06:50 +00:00
Chris Lattner
4a998b9ca8
Pull some code out into a helper function.
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Effeciently codegen even splats in the range [-32,30].
This allows us to codegen <30,30,30,30> as:
vspltisw v0, 15
vadduwm v2, v0, v0
instead of as a cp load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27750 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:00:21 +00:00
Chris Lattner
6e5316ff65
New testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27749 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:58:22 +00:00
Chris Lattner
5913810b82
Implement a TODO: for any shuffle that can be viewed as a v4[if]32 shuffle,
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if it can be implemented in 3 or fewer discrete altivec instructions, codegen
it as such. This implements Regression/CodeGen/PowerPC/vec_perf_shuffle.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27748 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:28:54 +00:00
Chris Lattner
c3b5ad944c
new testcase, these shuffles can be implemented with discrete instructions,
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and shouldn't be lowered to vperm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27747 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:27:31 +00:00
Chris Lattner
cffeb86169
Regenerate with adjusted costs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27746 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:26:20 +00:00
Chris Lattner
8c3e847159
Encode a cost of zero as a cost of 1.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27745 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:25:16 +00:00
Chris Lattner
586d6a808d
Regenerate with correct offset
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27744 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:08:46 +00:00
Chris Lattner
195d8adac9
Really, I can count!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27743 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 05:05:52 +00:00
Chris Lattner
c74e710000
Increase the opcodes by one each to disambiguate COPY from VMRGHW.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27742 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:47:48 +00:00
Chris Lattner
cf1f6440d9
assign stable opcodes to the various altivec ops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27741 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:47:18 +00:00
Chris Lattner
2f97623bda
PPCPerfectShuffle.h is autogenerated, don't include it in the LOC counts.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27740 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:46:09 +00:00
Chris Lattner
6703461f04
Check in a table, generated by llvm-PerfectShuffle, of optimal shuffles
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of various 4-element vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27739 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:37:02 +00:00
Chris Lattner
4ad53bdd19
Rename BuildShuffleTable -> PerfectShuffle
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27738 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:35:34 +00:00
Chris Lattner
3033d4d375
rename the table
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27737 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:33:35 +00:00
Chris Lattner
27e98aa07c
Initial checking of a perfect shuffle generation program for 4-element
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Altivec vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27736 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 00:30:41 +00:00
Evan Cheng
f0fc7fed66
Better way to splat v2f64
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27735 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 18:16:43 +00:00
Evan Cheng
06aef15843
movduprm, movshduprm bugs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27734 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 18:11:28 +00:00
Evan Cheng
d8e8223ea1
Encoding bugs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27733 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 07:02:22 +00:00
Evan Cheng
800f12df1e
Can't fold loads into alias vector SSE ops used for scalar operation. The load
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address has to be 16-byte aligned but the values aren't spilled to 128-bit
locations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27732 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 06:58:19 +00:00
Chris Lattner
f3f69decca
Implement a TODO: have the legalizer canonicalize a bunch of operations to
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one type (v4i32) so that we don't have to write patterns for each type, and
so that more CSE opportunities are exposed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27731 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 01:37:57 +00:00
Chris Lattner
2efce0a589
Add support for promoting stores from one legal type to another, allowing us
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to write one pattern for vector stores instead of 4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27730 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 01:36:45 +00:00
Chris Lattner
b17f1679e3
Make the BUILD_VECTOR lowering code much more aggressive w.r.t constant vectors.
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Remove some done items from the todo list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27729 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 01:01:29 +00:00
Chris Lattner
7f6cc0ccb5
Fix a bug in the 'shuffle(undef,x,mask) -> shuffle(x, undef,mask')' xform
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Make the insert/extract elt -> shuffle code more aggressive.
This fixes CodeGen/PowerPC/vec_shuffle.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27728 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 00:51:47 +00:00
Chris Lattner
706126dac1
Canonicalize shuffle(undef,x,mask) -> shuffle(x, undef,mask').
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27727 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-16 00:03:56 +00:00
Chris Lattner
730b45694b
Fix a crash when faced with a shuffle vector that has an undef in its mask.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27726 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 23:48:05 +00:00
Chris Lattner
6e94af75de
Add patterns for matching vnots with bit converted inputs. Most of these will
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go away when I start using evan's binop type canonicalizer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27725 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 23:45:24 +00:00
Chris Lattner
1fcee4edf5
Add a new vnot_conv predicate for matching vnot's where the allones vector is
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bitconverted from some other type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27724 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 23:39:14 +00:00
Chris Lattner
547a16f273
Make these predicates return true for bit_convert(buildvector)'s as well as
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buildvectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27723 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 23:38:00 +00:00
Evan Cheng
60d3fa24ba
More encoding bugs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27722 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 06:10:09 +00:00
Evan Cheng
1af18985b8
pslldrm, psrawrm, etc. encoding bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27721 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 05:59:08 +00:00
Evan Cheng
7076e2daee
hsubp{s|d} encoding bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27720 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 05:52:42 +00:00
Evan Cheng
57ebe9fbf0
Silly bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27719 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 05:37:34 +00:00
Evan Cheng
39fc145995
Do not use movs{h|l}dup for a shuffle with a single non-undef node.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27718 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 03:13:24 +00:00
Chris Lattner
efb47359ff
significant cleanups to code that uses insert/extractelt heavily. This builds
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maximal shuffles out of them where possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27717 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-15 01:39:45 +00:00
Evan Cheng
407428e1ea
Added SSE (and other) entries to foldMemoryOperand().
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27716 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 23:33:27 +00:00
Evan Cheng
9ab1ac5e99
Some clean up
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27715 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 23:32:40 +00:00
Chris Lattner
b097aa9353
Allow undef in a shuffle mask
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27714 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 23:19:08 +00:00
Chris Lattner
f95670f6fc
Move these ctors out of line
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27713 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 22:20:32 +00:00
Chris Lattner
6a56ed48b9
These instructions always return a packed vector. Improve the class definitions to expose this fact.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27712 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 22:20:07 +00:00
Evan Cheng
d953947d26
Last few SSE3 intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27711 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 21:59:03 +00:00
Chris Lattner
de6df88529
Teach scalarrepl to promote unions of vectors and floats, producing
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insert/extractelement operations. This implements
Transforms/ScalarRepl/vector_promote.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27710 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 21:42:41 +00:00
Chris Lattner
d8f5bd3988
New testcase, checking to see we can turn this code:
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void test(vector float *F, float f) {
vector float G = *F + *F;
*((float*)&G) = f;
*F = G + G;
}
void test2(vector float *F, float f) {
vector float G = *F + *F;
((float*)&G)[2] = f;
*F = G + G;
}
void test3(vector float *F, float *f) {
vector float G = *F + *F;
*f = ((float*)&G)[2];
}
void test4(vector float *F, float *f) {
vector float G = *F + *F;
*f = *((float*)&G);
}
into insert/extract element operations with no memory traffic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27709 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 21:41:54 +00:00
Tanya Lattner
0947429538
Adding back vector instructions to keep in mainline.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27704 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-14 19:24:33 +00:00