Nate Begeman
c0a8b6df2a
Update readme
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26924 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 18:58:20 +00:00
Chris Lattner
13feb58aa1
Print absolute memory references like this:
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lwz r2, 8(0)
instead of this:
lwz r2, 8(r0)
This fixes the llc/llc-beta failures on PPC last night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26922 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 17:21:13 +00:00
Evan Cheng
7ab54047e7
Combine 2 entries
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26921 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 07:18:26 +00:00
Evan Cheng
50a6d8c835
Add a note about x86 register coallescing
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26920 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 07:12:57 +00:00
Evan Cheng
82521dd838
- Remove scalar to vector pseudo ops. They are just wrong.
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- Handle FR32 to VR128:v4f32 and FR64 to VR128:v2f64 with aliases of MOVAPS
and MOVAPD. Mark them as move instructions and *hope* they will be deleted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26919 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 07:09:35 +00:00
Chris Lattner
8151914321
With Evan's latest tblgen patch, this code is obsolete, thanks Evan!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26917 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 06:37:40 +00:00
Chris Lattner
8593f9891d
When codegen'ing vector MUL using VFMADD, *add* the 0, don't *mul* the 0.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26913 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 00:51:38 +00:00
Chris Lattner
ef040dd4a3
minor note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26912 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 00:47:09 +00:00
Evan Cheng
811ec1c92a
x86 ISD::SCALAR_TO_VECTOR support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26911 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 00:33:35 +00:00
Evan Cheng
5c791c8ba4
Junk unused vector register classes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26910 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 00:30:59 +00:00
Chris Lattner
d97964457e
Handle constant addresses more efficiently, folding the low bits into the
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disp field of the load/store if possible. This compiles
CodeGen/PowerPC/load-constant-addr.ll to:
_test:
lis r2, 2838
lfs f1, 26848(r2)
blr
instead of:
_test:
lis r2, 2838
ori r2, r2, 26848
lfs f1, 0(r2)
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26908 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 22:38:22 +00:00
Chris Lattner
23baa1b310
remove dead variable
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26907 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 22:37:23 +00:00
Chris Lattner
bd83afd3cd
Fix a couple of bugs in permute/splat generate, thanks to Nate for actually
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figuring these out! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26904 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 18:26:51 +00:00
Chris Lattner
e376e00247
reenable this hack, the tblgen version isn't quite ready
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26902 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 17:54:43 +00:00
Chris Lattner
32f57d9e26
Fix the pattern for VADDUWM, add i32 splat
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26901 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 17:51:58 +00:00
Evan Cheng
e63d746ef6
Use tblgen'd VECTOR_SHUFFLE selection code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26900 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 08:14:16 +00:00
Chris Lattner
dd4d2d0e40
Add support for generating vspltw, instead of a vperm instruction with a
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constant pool load. This generates significantly nicer code for splats.
When tblgen gets bugfixed, we can remove the custom selection code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26898 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 06:51:10 +00:00
Chris Lattner
88a99ef7cc
Implement PPC::isSplatShuffleMask and PPC::getVSPLTImmediate.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26897 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 06:37:44 +00:00
Chris Lattner
ef819f8fbb
fix duplicate definition errors
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26896 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 06:33:01 +00:00
Chris Lattner
39afef3150
Add a build_vector node
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26895 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 06:18:01 +00:00
Chris Lattner
3c0f9cc90c
Check in some intermediate code that adds a skeleton for matching vsplt*
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instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26894 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 06:15:45 +00:00
Evan Cheng
ba753c61b7
Move a few things around.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26893 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 06:04:52 +00:00
Chris Lattner
fa818d0b8b
add vector_shuffle
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26891 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 05:40:45 +00:00
Chris Lattner
08e25de4d3
fix typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26889 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 05:05:55 +00:00
Chris Lattner
556aae0df0
add vsplat instructions, fix sched description for vperm
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26888 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 04:47:33 +00:00
Chris Lattner
f1d0b2beda
Custom lower arbitrary VECTOR_SHUFFLE's to VPERM.
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TODO: leave specific ones as VECTOR_SHUFFLE's and turn them into specialized
operations like vsplt*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26887 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 01:53:53 +00:00
Chris Lattner
2bc6dc27e9
Claim to have v16i8 for perm masks
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26886 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 01:53:02 +00:00
Chris Lattner
87100e0b83
If a target supports splatting with SHUFFLE_VECTOR, lower to it from BUILD_VECTOR(x,x,x,x)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26885 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 01:52:29 +00:00
Chris Lattner
54a30b9639
TargetData doesn't know the alignment of vectors :(
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26884 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 01:51:46 +00:00
Chris Lattner
abdff1ee6d
add the vperm instruction
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26883 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-20 01:00:56 +00:00
Chris Lattner
fb194b9e73
Add very basic support for VECTOR_SHUFFLE
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26880 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 23:56:04 +00:00
Chris Lattner
8bcf926277
add a note with a testcase
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26877 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 22:27:41 +00:00
Chris Lattner
28097d086f
Add a note about the MUL -> FMADD vector bug.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26874 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 22:08:08 +00:00
Chris Lattner
273f202890
Teach cee to propagate through switch statements. This implements
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Transforms/CorrelatedExprs/switch.ll
Patch contributed by Eric Kidd!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26872 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 19:37:24 +00:00
Evan Cheng
c12e6c488e
Vector undef's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26870 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 09:38:54 +00:00
Chris Lattner
b2177b9405
Custom lower SCALAR_TO_VECTOR into lve*x.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26868 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:55:52 +00:00
Chris Lattner
4d3abee618
Allow SCALAR_TO_VECTOR to be custom lowered.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26867 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:47:21 +00:00
Chris Lattner
ce87215131
Add SCALAR_TO_VECTOR support
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26866 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:31:19 +00:00
Chris Lattner
ab515b09bf
PPC doesn't have SCALAR_TO_VECTOR
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26865 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:17:19 +00:00
Chris Lattner
528180ed7b
add support for vector undef
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26863 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:10:09 +00:00
Evan Cheng
d3864b5743
Remind us of exit value substitution
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26862 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:09:23 +00:00
Evan Cheng
5fef51e9aa
Turning on LSR by default
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26861 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:08:49 +00:00
Evan Cheng
0def9c3d7d
Remember which tests are hurt by LSR.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26860 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:08:11 +00:00
Chris Lattner
74881908fe
Don't bother storing undef elements of BUILD_VECTOR's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26858 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 05:46:04 +00:00
Chris Lattner
a17409dfd6
minor fixes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26857 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 05:43:01 +00:00
Chris Lattner
28b1a0b532
notes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26856 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 05:33:30 +00:00
Chris Lattner
0a7bff01d0
we don't use lmw/stmw. When we want them they are easy enough to add
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26853 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 04:33:37 +00:00
Chris Lattner
5fcd0350be
Implement expand of BUILD_VECTOR containing variable elements.
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This implements CodeGen/Generic/vector.ll:test_variable_buildvector
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26852 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 04:18:56 +00:00
Chris Lattner
ca24244234
fold insertelement(buildvector) -> buildvector if the inserted element # is
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a constant. This implements test_constant_insert in CodeGen/Generic/vector.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26851 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 01:27:56 +00:00
Chris Lattner
2332b9f16f
implement basic support for INSERT_VECTOR_ELT.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26849 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 01:17:20 +00:00