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10091 Commits

Author SHA1 Message Date
Chris Lattner 7ce7a8fc81 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 111778e665 Pass calling convention to use into lower call to 
llvm-svn: 21900
 2005-05-12 19:56:57 +00:00
Chris Lattner 36674a123e Pass in Calling Convention to use into LowerCallTo 
llvm-svn: 21899
 2005-05-12 19:56:45 +00:00
Chris Lattner b5ff4e5e10 Enable pattern isel by default 
llvm-svn: 21898
 2005-05-12 19:56:09 +00:00
Chris Lattner 0bfd177e89 fix expansion of ct[lt]z nodes 
llvm-svn: 21896
 2005-05-12 19:27:51 +00:00
Chris Lattner cf5f6b0ccb Expand 64-bit ctlz/cttz nodes for 32-bit targets 
llvm-svn: 21895
 2005-05-12 19:05:01 +00:00
Chris Lattner 26f0317f46 Fix uint->fp casts on PPC, allowing UnitTests/2005-05-12-Int64ToFP to 
work on it.

llvm-svn: 21894
 2005-05-12 18:52:34 +00:00
Chris Lattner b5a78e0873 Allow something to be legalized multiple times. This can be used to reduce 
legalization iteration

llvm-svn: 21892
 2005-05-12 16:53:42 +00:00
Chris Lattner 153587e555 Oops, don't do this after we figure out where to insert the call chains. 
llvm-svn: 21890
 2005-05-12 07:00:44 +00:00
Chris Lattner 8a5ad8468a Make sure to expand all nodes, avoiding unintentional node duplication. 
llvm-svn: 21889
 2005-05-12 06:54:21 +00:00
Chris Lattner d2fb9ea262 handle a common case generated by the uint64 -> FP code path better 
llvm-svn: 21888
 2005-05-12 06:27:02 +00:00
Chris Lattner f09c0b435b add fixme 
llvm-svn: 21887
 2005-05-12 06:04:14 +00:00
Chris Lattner 646c0f0234 Fix a really horrible problem that causes the JIT to miscompile any program 
that use 64-bit integers on 32-bit hosts.

llvm-svn: 21886
 2005-05-12 06:01:28 +00:00
Chris Lattner a5bf1030bf Fix a problem where early legalization can cause token chain problems. 
llvm-svn: 21885
 2005-05-12 04:49:08 +00:00
Chris Lattner f80969f29b These targets don't like setcc 
llvm-svn: 21884
 2005-05-12 02:06:00 +00:00
Chris Lattner 8005e91432 Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -C 
llvm-svn: 21882
 2005-05-12 00:17:04 +00:00
Nate Begeman 99fa5bc1fa 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 96726a46c7 Fixed issue that broke ssa. 
llvm-svn: 21878
 2005-05-11 21:45:03 +00:00
Chris Lattner 9c64b0cc18 fix some GCC 4 warnings 
llvm-svn: 21877
 2005-05-11 21:40:40 +00:00
John Criswell 72002e87cc 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
Chris Lattner 991ce36798 Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passes 
with the CBE

llvm-svn: 21875
 2005-05-11 20:24:12 +00:00
Chris Lattner fe5759b022 Fix lowering of cttz to work with signed values 
llvm-svn: 21874
 2005-05-11 20:02:14 +00:00
Chris Lattner 9ec975a4b5 fix and concisify intinsic lowering for ctpop. Unfortunately, this code 
looks completely untested. :(

llvm-svn: 21873
 2005-05-11 19:42:05 +00:00
Chris Lattner 06bbeb646f Fix the last remaining bug preventing us from switching the X86 BE over 
from the simple isel to the pattern isel.  This forces inserted libcalls
to serialize against other function calls, which was breaking
UnitTests/2005-05-12-Int64ToFP.  Hopefully this will fix issues on other
targets as well.

llvm-svn: 21872
 2005-05-11 19:02:11 +00:00
Chris Lattner 724f7eec77 Do not memoize ADJCALLSTACKDOWN nodes, provide a method to hack on them. 
llvm-svn: 21871
 2005-05-11 18:57:39 +00:00
Chris Lattner 490769c5b6 wrap long line 
llvm-svn: 21870
 2005-05-11 18:57:06 +00:00
Chris Lattner 56add05671 Make sure to legalize generated ctpop nodes, convert tabs to spaces 
llvm-svn: 21868
 2005-05-11 18:35:21 +00:00
Duraid Madina a1ebbac9c0 expand count-leading/trailing-zeros; the test 2005-05-11-Popcount-ffs-fls.c 
should now pass (the "LLVM" and "REF" results should be identical)

llvm-svn: 21866
 2005-05-11 08:45:08 +00:00
Chris Lattner 7247324047 Add some notes for expanding clz/ctz 
llvm-svn: 21862
 2005-05-11 05:27:09 +00:00
Chris Lattner 05309bf58e Simplify this code, use the proper shift amount 
llvm-svn: 21861
 2005-05-11 05:21:31 +00:00
Duraid Madina 25163d8d60 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 3740f39883 Legalize this correctly 
llvm-svn: 21859
 2005-05-11 05:09:47 +00:00
Chris Lattner 669c3b17eb No really IA*64* :) 
llvm-svn: 21858
 2005-05-11 05:03:56 +00:00
Chris Lattner 05ad4b8369 X86 has more than just 32-bit registers 
llvm-svn: 21857
 2005-05-11 05:00:34 +00:00
Chris Lattner 55e9cde37c implement expansion of ctpop nodes, implementing CodeGen/Generic/llvm-ct-intrinsics.ll 
llvm-svn: 21856
 2005-05-11 04:51:16 +00:00
Chris Lattner 93f4f5f467 Print bit count nodes correctly 
llvm-svn: 21855
 2005-05-11 04:50:30 +00:00
Chris Lattner c18e92f3cd Do not use "" as a sentinal for a missing argument! This fixes PR560. 
llvm-svn: 21850
 2005-05-10 23:20:17 +00:00
Misha Brukman 308a715acc Why output multiple strings, let the compiler concatenate them for us for free 
llvm-svn: 21845
 2005-05-10 22:03:50 +00:00
Misha Brukman 8b47707b5c * Convert tabs to spaces, fix code alignment 
* Remove trailing whitespace
* Wrap long lines

llvm-svn: 21844
 2005-05-10 22:02:28 +00:00
Chris Lattner d8145bcd5b Convert feature of the simple isel over for the pattern isel to use. 
llvm-svn: 21840
 2005-05-10 03:53:18 +00:00
Chris Lattner 31c667e234 Fix Reassociate/shifttest.ll 
llvm-svn: 21839
 2005-05-10 03:39:25 +00:00
Jeff Cohen 915594d884 Silence some VC++ warnings 
llvm-svn: 21838
 2005-05-10 02:22:38 +00:00
Chris Lattner bfc796f622 If a function contains no allocas, all of the calls in it are trivially 
suitable for tail calls.

llvm-svn: 21836
 2005-05-09 23:51:13 +00:00
Chris Lattner 2d8b55c476 The semantics of cast X to bool are a comparison against zero, not a truncation! 
llvm-svn: 21833
 2005-05-09 22:17:13 +00:00
Chris Lattner 70ea07cfd2 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 e53158e21d do not emit illegal instructions 
llvm-svn: 21830
 2005-05-09 21:06:04 +00:00
Chris Lattner 46b5ca4310 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 6c6a39a7b8 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 ba45e6c432 legalize readio/writeio into a load/store if requested 
llvm-svn: 21827
 2005-05-09 20:36:57 +00:00
Chris Lattner 5385db5523 legalize READPORT, WRITEPORT, READIO, WRITEIO, at least in the basic cases 
where they are directly supported by the architecture.  Wrap a bunch of
long lines :(

llvm-svn: 21826
 2005-05-09 20:23:03 +00:00