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3154 Commits

Author SHA1 Message Date
Chris Lattner
83d7e55471 add 'ret imm' instruction 
llvm-svn: 21945
 2005-05-13 17:56:48 +00:00
Chris Lattner
f8795289ff Realize that we don't support fmod directly, fixing CodeGen/Generic/print-arith-fp.ll 
llvm-svn: 21939
 2005-05-13 16:20:22 +00:00
Chris Lattner
7c3b219c28 Do not CopyFromReg physregs for live-in values. Instead, create a vreg for 
each live in, and copy the regs from the vregs.  As the very first thing we
do in the function, insert copies from the pregs to the vregs.  This fixes
problems where the token chain of CopyFromReg was not enough to allow reordering
of the copyfromreg nodes and other unchained nodes (e.g. div, which clobbers
eax on intel).

llvm-svn: 21932
 2005-05-13 07:38:09 +00:00
Chris Lattner
094bbfcebb rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
llvm-svn: 21915
 2005-05-12 23:24:06 +00:00
Chris Lattner
3106dfa185 Add a new -enable-x86-fastcc option that enables passing the first 
two integer values in registers for the fastcc calling conv.

llvm-svn: 21912
 2005-05-12 23:06:28 +00:00
Chris Lattner
7e08dd591c Pass in Calling Convention to use into LowerCallTo 
llvm-svn: 21899
 2005-05-12 19:56:45 +00:00
Chris Lattner
d8766cdae2 Enable pattern isel by default 
llvm-svn: 21898
 2005-05-12 19:56:09 +00:00
Chris Lattner
6b0a45e42c These targets don't like setcc 
llvm-svn: 21884
 2005-05-12 02:06:00 +00:00
Nate Begeman
e84f776b5d Necessary changes to codegen cttz efficiently on PowerPC 
1. Teach LegalizeDAG how to better legalize CTTZ if the target doesn't have
   CTPOP, but does have CTLZ
2. Teach PPC32 how to do sub x, const -> add x, -const for valid consts
3. Teach PPC32 how to do and (xor a, -1) b -> andc b, a
4. Teach PPC32 that ISD::CTLZ -> PPC::CNTLZW

llvm-svn: 21880
 2005-05-11 23:43:56 +00:00
Tanya Lattner
265167f8db Fixed issue that broke ssa. 
llvm-svn: 21878
 2005-05-11 21:45:03 +00:00
Chris Lattner
da3dd2f9e2 fix some GCC 4 warnings 
llvm-svn: 21877
 2005-05-11 21:40:40 +00:00
John Criswell
38c97a63d4 Added support for decomposing constant expressions containing shr and shl 
instructions.
Review of this commit would be greatly appreciated.

llvm-svn: 21876
 2005-05-11 21:16:42 +00:00
Duraid Madina
b9062e56cf add the popcount instruction and support this in the isel 
the primary user of this will probably end up being find-first-set-bit/find-
last-set-bit, which i'll get around to...

llvm-svn: 21860
 2005-05-11 05:16:09 +00:00
Chris Lattner
d5d2886ee7 No really IA*64* :) 
llvm-svn: 21858
 2005-05-11 05:03:56 +00:00
Chris Lattner
e358ac532b X86 has more than just 32-bit registers 
llvm-svn: 21857
 2005-05-11 05:00:34 +00:00
Chris Lattner
8230bddde2 Convert feature of the simple isel over for the pattern isel to use. 
llvm-svn: 21840
 2005-05-10 03:53:18 +00:00
Jeff Cohen
afc58006b7 Silence some VC++ warnings 
llvm-svn: 21838
 2005-05-10 02:22:38 +00:00
Chris Lattner
d96aea21d7 Implement READPORT/WRITEPORT, implementing the last X86 regression tests 
that were failing with the pattern selector.  Note that the support that
existed in the simple selector was clearly broken in several ways though
(which has also been fixed).

llvm-svn: 21831
 2005-05-09 21:17:38 +00:00
Chris Lattner
6a55b1d4dd do not emit illegal instructions 
llvm-svn: 21830
 2005-05-09 21:06:04 +00:00
Chris Lattner
7ba0699b05 Fix the syntax of the i/o instructions, these are obviously unused. 
llvm-svn: 21829
 2005-05-09 20:49:20 +00:00
Chris Lattner
46b51ab388 legalize readio/writeio into load/stores, fixing CodeGen/X86/io.llx with 
the pattern isel.

llvm-svn: 21828
 2005-05-09 20:37:29 +00:00
Chris Lattner
b28f865865 restore some non-dead code I removed last night breaking double casts to 
uint

llvm-svn: 21821
 2005-05-09 18:37:02 +00:00
Chris Lattner
333ae3d837 fold and (shl X, C1), C2 -> rlwinm when possible. Many other cases are possible, 
include and (srl)    and the inverses (shl and) etc.

llvm-svn: 21820
 2005-05-09 17:39:48 +00:00
Duraid Madina
64a52fc615 fix and cleanup constmul code a bit, this fixes mediabench/toast and 
probably a couple of other tests.

llvm-svn: 21814
 2005-05-09 13:18:34 +00:00
Chris Lattner
3094cec3c9 Wrap long lines, remove dead code that is now handled by legalize 
llvm-svn: 21811
 2005-05-09 05:40:26 +00:00
Chris Lattner
5d291fa443 Fix FP -> bool casts 
llvm-svn: 21810
 2005-05-09 05:33:18 +00:00
Chris Lattner
65d61d9d44 Fix X86/2005-05-08-FPStackifierPHI.ll: ugly gross hack. 
llvm-svn: 21801
 2005-05-09 03:36:39 +00:00
Chris Lattner
1bc2753d69 clean up the CBE output a bit 
llvm-svn: 21740
 2005-05-06 06:58:42 +00:00
Chris Lattner
f70b2785b7 add tail marker as a comment 
llvm-svn: 21739
 2005-05-06 06:53:07 +00:00
Andrew Lenharth
8e2beec4d1 fix typo 
llvm-svn: 21693
 2005-05-04 19:25:37 +00:00
Andrew Lenharth
58ff51b153 Well, add support for ct* for 21264 only. 
21164 is broken until expand works.

llvm-svn: 21692
 2005-05-04 19:12:09 +00:00
Andrew Lenharth
8b64bd0fd5 Implement count leading zeros (ctlz), count trailing zeros (cttz), and count 
population (ctpop).  Generic lowering is implemented, however only promotion
is implemented for SelectionDAG at the moment.

More coming soon.

llvm-svn: 21676
 2005-05-03 17:19:30 +00:00
Duraid Madina
4d9c8f8dce support multiplication by constant negative integers 
this constmul code is still buggy though, so beware. mul by 7427 is currently
broken, for example. will fix it when I get a moment :)

llvm-svn: 21652
 2005-05-02 07:27:14 +00:00
Duraid Madina
7a185a79a5 add support for bools to SELECT, this fixes Prolangs-C/bison from the 
testsuite, however 09-vor is still dead (hopefully for other reasons!)

llvm-svn: 21651
 2005-05-02 06:41:13 +00:00
Tanya Lattner
845b0cc908 SMS for superblocks. 
llvm-svn: 21643
 2005-05-01 01:27:47 +00:00
Tanya Lattner
b9da851880 Added extra constructor for superblocks. 
llvm-svn: 21642
 2005-05-01 01:25:53 +00:00
Tanya Lattner
425f215095 Fixed bug in searchPath function for finding nodes between two recurrences. 
Changed dependence analyzer to only use dep distances of 2 or less.
This is experimental.

Changed MSchedGraph to be able to represent more then one BB (first steps).

llvm-svn: 21641
 2005-04-30 23:07:59 +00:00
Andrew Lenharth
936709ad19 I was sure I had thought about this and there was a reason it should work. 
But it is entirely possible I am just crazy.

llvm-svn: 21640
 2005-04-30 14:19:13 +00:00
Chris Lattner
b0f53013d6 Eliminate some random whitespace 
llvm-svn: 21637
 2005-04-30 04:44:07 +00:00
Chris Lattner
b0af0dd919 Doesn't support these nodes 
llvm-svn: 21634
 2005-04-30 04:26:56 +00:00
Chris Lattner
ce0d8c2408 This target doesn't support the FSIN/FCOS/FSQRT nodes yet 
llvm-svn: 21633
 2005-04-30 04:26:06 +00:00
Chris Lattner
15d29b0220 Add support for FSIN/FCOS when unsafe math ops are enabled. Patch contributed by 
Morten Ofstad!

llvm-svn: 21632
 2005-04-30 04:25:35 +00:00
Chris Lattner
663664d10c Add support for llvm.sqrt and sin/cos if unsafe math optimizations are enabled. 
llvm-svn: 21631
 2005-04-30 04:12:40 +00:00
Chris Lattner
05d8a36ba7 Expose an option allowing unsafe math optimizations. Patch contributed by 
Morten Ofstad!

llvm-svn: 21630
 2005-04-30 04:09:52 +00:00
Chris Lattner
27a534f181 Add support for FSQRT node, patch contributed by Morten Ofstad 
llvm-svn: 21610
 2005-04-28 22:07:18 +00:00
Chris Lattner
236cef3563 Add some new X86 instrs, patch contributed by Morten Ofstad 
llvm-svn: 21608
 2005-04-28 21:50:05 +00:00
Chris Lattner
2f7a83ffbf Codegen fabs/fabsf as FABS. Patch contributed by Morten Ofstad 
llvm-svn: 21607
 2005-04-28 21:48:42 +00:00
Andrew Lenharth
2a00530fa7 Implement Value* tracking for loads and stores in the selection DAG. This enables one to use alias analysis in the backends. 
(TRUNK)Stores and (EXT|ZEXT|SEXT)Loads have an extra SDOperand which is a SrcValueSDNode which contains the Value*.  Note that if the operation is introduced by the backend, it will still have the operand, but the value* will be null.

llvm-svn: 21599
 2005-04-27 20:10:01 +00:00
Duraid Madina
2f8f3f018d clean up some warnings 
llvm-svn: 21590
 2005-04-27 11:57:39 +00:00
Duraid Madina
90bcae7fd2 constmul bugfix: multiply by 27611 was broken 
llvm-svn: 21564
 2005-04-26 09:42:50 +00:00