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2005-05-12rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21915 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Add a new -enable-x86-fastcc option that enables passing the firstChris Lattner
two integer values in registers for the fastcc calling conv. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21912 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Pass calling convention to use into lower call toChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21900 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Pass in Calling Convention to use into LowerCallToChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21899 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Enable pattern isel by defaultChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21898 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12fix expansion of ct[lt]z nodesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21896 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Expand 64-bit ctlz/cttz nodes for 32-bit targetsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21895 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Fix uint->fp casts on PPC, allowing UnitTests/2005-05-12-Int64ToFP toChris Lattner
work on it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21894 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Allow something to be legalized multiple times. This can be used to reduceChris Lattner
legalization iteration git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21892 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Oops, don't do this after we figure out where to insert the call chains.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21890 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Make sure to expand all nodes, avoiding unintentional node duplication.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21889 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12handle a common case generated by the uint64 -> FP code path betterChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21888 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12add fixmeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21887 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Fix a really horrible problem that causes the JIT to miscompile any programChris Lattner
that use 64-bit integers on 32-bit hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21886 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Fix a problem where early legalization can cause token chain problems.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21885 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12These targets don't like setccChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21884 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-12Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -CChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21882 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Necessary changes to codegen cttz efficiently on PowerPCNate Begeman
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21880 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fixed issue that broke ssa.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21878 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11fix some GCC 4 warningsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21877 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Added support for decomposing constant expressions containing shr and shlJohn Criswell
instructions. Review of this commit would be greatly appreciated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21876 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passesChris Lattner
with the CBE git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21875 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fix lowering of cttz to work with signed valuesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21874 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11fix and concisify intinsic lowering for ctpop. Unfortunately, this codeChris Lattner
looks completely untested. :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21873 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Fix the last remaining bug preventing us from switching the X86 BE overChris Lattner
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21872 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Do not memoize ADJCALLSTACKDOWN nodes, provide a method to hack on them.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21871 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11wrap long lineChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21870 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Make sure to legalize generated ctpop nodes, convert tabs to spacesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21868 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11expand count-leading/trailing-zeros; the test 2005-05-11-Popcount-ffs-fls.cDuraid Madina
should now pass (the "LLVM" and "REF" results should be identical) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21866 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Add some notes for expanding clz/ctzChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21862 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Simplify this code, use the proper shift amountChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21861 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11add the popcount instruction and support this in the iselDuraid Madina
the primary user of this will probably end up being find-first-set-bit/find- last-set-bit, which i'll get around to... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21860 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Legalize this correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21859 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11No really IA*64* :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21858 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11X86 has more than just 32-bit registersChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21857 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11implement expansion of ctpop nodes, implementing ↵Chris Lattner
CodeGen/Generic/llvm-ct-intrinsics.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21856 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-11Print bit count nodes correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21855 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Do not use "" as a sentinal for a missing argument! This fixes PR560.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21850 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Why output multiple strings, let the compiler concatenate them for us for freeMisha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21845 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10* Convert tabs to spaces, fix code alignmentMisha Brukman
* Remove trailing whitespace * Wrap long lines git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21844 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Convert feature of the simple isel over for the pattern isel to use.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21840 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Fix Reassociate/shifttest.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21839 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-10Silence some VC++ warningsJeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21838 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09If a function contains no allocas, all of the calls in it are triviallyChris Lattner
suitable for tail calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21836 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09The semantics of cast X to bool are a comparison against zero, not a truncation!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21833 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Implement READPORT/WRITEPORT, implementing the last X86 regression testsChris Lattner
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). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21831 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09do not emit illegal instructionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21830 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09Fix the syntax of the i/o instructions, these are obviously unused.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21829 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09legalize readio/writeio into load/stores, fixing CodeGen/X86/io.llx withChris Lattner
the pattern isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21828 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-09legalize readio/writeio into a load/store if requestedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21827 91177308-0d34-0410-b5e6-96231b3b80d8
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