Chris Lattner
b5efa3e0f5
Fix the JIT encoding of VSPLTI*
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llvm-svn: 27159
2006-03-27 03:28:57 +00:00
Nate Begeman
3d518334b9
SelectionDAGISel can now natively handle Switch instructions, in the same
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manner that the LowerSwitch LLVM to LLVM pass does: emitting a binary
search tree of basic blocks. The new approach has several advantages:
it is faster, it generates significantly smaller code in many cases, and
it paves the way for implementing dense switch tables as a jump table by
handling switches directly in the instruction selector.
This functionality is currently only enabled on x86, but should be safe for
every target. In anticipation of making it the default, the cfg is now
properly updated in the x86, ppc, and sparc select lowering code.
llvm-svn: 27156
2006-03-27 01:32:24 +00:00
Chris Lattner
03ad35fd49
add vsel
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llvm-svn: 27153
2006-03-26 22:38:43 +00:00
Chris Lattner
65a455b060
Codegen vector predicate compares.
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llvm-svn: 27151
2006-03-26 10:06:40 +00:00
Evan Cheng
b17bbf8ccb
Remove PPC:isZeroVector, use ISD::isBuildVectorAllZeros instead
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llvm-svn: 27149
2006-03-26 09:52:32 +00:00
Chris Lattner
f0c36b99e6
Add all of the altivec comparison instructions. Add patterns for the
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non-predicate altivec compare intrinsics.
llvm-svn: 27143
2006-03-26 04:57:17 +00:00
Chris Lattner
4e0a78ea30
Add and 8/16-bit adds, add all integer subtracts, add saturating subtract
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intrinsics.
llvm-svn: 27142
2006-03-26 02:39:02 +00:00
Chris Lattner
d33ef7a1bc
implement the vsldoi intrinsic.
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llvm-svn: 27139
2006-03-26 00:41:48 +00:00
Chris Lattner
7d557e00f3
fix the pattern for vandc, it's NOT vnand
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llvm-svn: 27136
2006-03-25 23:10:40 +00:00
Chris Lattner
88a0c65463
add patterns for VANDC/VNOR, implementing
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CodeGen/PowerPC/eqv-andc-orc-nor.ll:VNOR/VANDC
llvm-svn: 27135
2006-03-25 23:05:29 +00:00
Chris Lattner
f80b39f9b1
Add some logical operations
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llvm-svn: 27127
2006-03-25 22:16:05 +00:00
Chris Lattner
d2823658b4
implement a bunch of intrinsics
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llvm-svn: 27118
2006-03-25 08:01:02 +00:00
Chris Lattner
cb5f9269a9
Move all Altivec stuff out into a new PPCInstrAltivec.td file.
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Add a bunch of patterns for different datatypes, e.g. bit_convert, undef and
zero vector support.
llvm-svn: 27117
2006-03-25 07:51:43 +00:00
Chris Lattner
57064915a6
Add some basic patterns for other datatypes
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llvm-svn: 27116
2006-03-25 07:39:07 +00:00
Chris Lattner
7f5fba9c67
add all supported formats to the vector register file
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llvm-svn: 27115
2006-03-25 07:36:56 +00:00
Chris Lattner
2fa3a6c436
Add support for __builtin_altivec_vnmsubfp /vmaddfp
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llvm-svn: 27112
2006-03-25 07:05:55 +00:00
Chris Lattner
e199d55073
#include Intrinsics.h into all dag isels
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llvm-svn: 27109
2006-03-25 06:47:10 +00:00
Chris Lattner
0899b16b2d
Codegen things like:
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<int -1, int -1, int -1, int -1>
and
<int 65537, int 65537, int 65537, int 65537>
Using things like:
vspltisb v0, -1
and:
vspltish v0, 1
instead of using constant pool loads.
This implements CodeGen/PowerPC/vec_splat.ll:splat_imm_i{32|16}.
llvm-svn: 27106
2006-03-25 06:12:06 +00:00
Jim Laskey
1716e53341
Add dwarf register numbering to register data.
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llvm-svn: 27081
2006-03-24 21:15:58 +00:00
Chris Lattner
8840036091
add another note
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llvm-svn: 27077
2006-03-24 20:04:27 +00:00
Chris Lattner
21abff3712
Fix a bad JIT encoding of VPERM. Why is VPERM D,A,B,C but vfmadd is D,A,C,B ??
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llvm-svn: 27069
2006-03-24 18:24:43 +00:00
Chris Lattner
3133dafd4b
Like the comment says, prefer to use the implicit add done by [r+r] addressing
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modes than emitting an explicit add and using a base of r0. This implements
Regression/CodeGen/PowerPC/mem-rr-addr-mode.ll
llvm-svn: 27068
2006-03-24 17:58:06 +00:00
Chris Lattner
303dc30593
Disable the i32->float G5 optimization. It is unsafe, as documented in the
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comment.
This fixes 177.mesa, and McCat/09-vor with the td scheduler.
llvm-svn: 27060
2006-03-24 07:53:47 +00:00
Chris Lattner
ba4966c16c
add support for using vxor to build zero vectors. This implements
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Regression/CodeGen/PowerPC/vec_zero.ll
llvm-svn: 27059
2006-03-24 07:48:08 +00:00
Chris Lattner
ace2d0d227
Gabor points out that we can't spell. :)
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llvm-svn: 27049
2006-03-24 07:12:19 +00:00
Chris Lattner
2e5162fa6e
add a note
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llvm-svn: 27000
2006-03-23 21:28:44 +00:00
Chris Lattner
974982c89c
Add PPC vector bit-convert support
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llvm-svn: 26995
2006-03-23 19:54:27 +00:00
Jim Laskey
cec9c18c62
Add support to locate local variables in frames (early version.)
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llvm-svn: 26994
2006-03-23 18:12:57 +00:00
Jim Laskey
f3cc740d75
Change interface to DwarfWriter.
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llvm-svn: 26991
2006-03-23 18:09:44 +00:00
Chris Lattner
89e0790edb
Eliminate IntrinsicLowering from TargetMachine.
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Make the CBE and V9 backends create their own, since they're the only ones that use it.
llvm-svn: 26974
2006-03-23 05:43:16 +00:00
Chris Lattner
5141ebb2c4
This has been implemented. Tweak it into another note
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llvm-svn: 26944
2006-03-22 05:33:23 +00:00
Chris Lattner
f84f3bf95b
When possible, custom lower 32-bit SINT_TO_FP to this:
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_foo2:
extsw r2, r3
std r2, -8(r1)
lfd f0, -8(r1)
fcfid f0, f0
frsp f1, f0
blr
instead of this:
_foo2:
lis r2, ha16(LCPI2_0)
lis r4, 17200
xoris r3, r3, 32768
stw r3, -4(r1)
stw r4, -8(r1)
lfs f0, lo16(LCPI2_0)(r2)
lfd f1, -8(r1)
fsub f0, f1, f0
frsp f1, f0
blr
This speeds up Misc/pi from 2.44s->2.09s with LLC and from 3.01->2.18s
with llcbeta (16.7% and 38.1% respectively).
llvm-svn: 26943
2006-03-22 05:30:33 +00:00
Chris Lattner
cfbce5186a
Add support for "ri" addressing modes where the immediate is a 14-bit field
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which is shifted left two bits before use. Instructions like STD use this
addressing mode.
llvm-svn: 26942
2006-03-22 05:26:03 +00:00
Chris Lattner
2e606dc60f
Fix the JIT encoding of the VAForm_1 instructions, including vmaddfp
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llvm-svn: 26935
2006-03-22 01:44:36 +00:00
Chris Lattner
31a93c7740
These targets don't support EXTRACT_VECTOR_ELT, though, in time, X86 will.
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llvm-svn: 26930
2006-03-21 20:51:05 +00:00
Chris Lattner
140be98ab8
Don't emit pseudo instructions!
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llvm-svn: 26926
2006-03-21 20:19:37 +00:00
Nate Begeman
4bd73df4bd
Update readme
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llvm-svn: 26924
2006-03-21 18:58:20 +00:00
Chris Lattner
414fed4108
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.
llvm-svn: 26922
2006-03-21 17:21:13 +00:00
Chris Lattner
6417236c41
With Evan's latest tblgen patch, this code is obsolete, thanks Evan!
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llvm-svn: 26917
2006-03-21 06:37:40 +00:00
Chris Lattner
acb2506622
When codegen'ing vector MUL using VFMADD, *add* the 0, don't *mul* the 0.
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llvm-svn: 26913
2006-03-21 00:51:38 +00:00
Chris Lattner
9e611a25c7
minor note
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llvm-svn: 26912
2006-03-21 00:47:09 +00:00
Chris Lattner
cdc4657988
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
llvm-svn: 26908
2006-03-20 22:38:22 +00:00
Chris Lattner
a498dd25d9
remove dead variable
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llvm-svn: 26907
2006-03-20 22:37:23 +00:00
Chris Lattner
978628896b
Fix a couple of bugs in permute/splat generate, thanks to Nate for actually
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figuring these out! :)
llvm-svn: 26904
2006-03-20 18:26:51 +00:00
Chris Lattner
5c994b8c63
reenable this hack, the tblgen version isn't quite ready
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llvm-svn: 26902
2006-03-20 17:54:43 +00:00
Chris Lattner
fb0e160aa5
Fix the pattern for VADDUWM, add i32 splat
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llvm-svn: 26901
2006-03-20 17:51:58 +00:00
Evan Cheng
57da1afbc8
Use tblgen'd VECTOR_SHUFFLE selection code.
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llvm-svn: 26900
2006-03-20 08:14:16 +00:00
Chris Lattner
dc3605efdb
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.
llvm-svn: 26898
2006-03-20 06:51:10 +00:00
Chris Lattner
8faa2cf693
Implement PPC::isSplatShuffleMask and PPC::getVSPLTImmediate.
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llvm-svn: 26897
2006-03-20 06:37:44 +00:00
Chris Lattner
4b7aa59bbc
fix duplicate definition errors
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llvm-svn: 26896
2006-03-20 06:33:01 +00:00