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2010-10-01PR8200: The MMX unpack instructions were no longer selected. Reverted the partsBill Wendling
that caused this to happen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_28@115298 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-14Approved by ChrisBill Wendling
$ svn merge -c 113894 https://llvm.org/svn/llvm-project/llvm/trunk --- Merging r113894 into '.': U test/MC/AsmParser/X86/x86_instructions.s U lib/Target/X86/AsmParser/X86AsmParser.cpp Log: add a terrible hack to allow out with dx is parens, a gas bug. This fixes PR8114 git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_28@113896 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-06Approved by Chris:Bill Wendling
$ svn merge -c 113158 https://llvm.org/svn/llvm-project/llvm/trunk --- Merging r113158 into '.': U lib/Target/X86/X86InstrInfo.td Log: Redefine LOOP* instructions from I to Ii8PCRel as they take an i8 argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_28@113175 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-04Emit target specific nodes for isPSHUFHWMask and isPSHUFLWMaskBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113050 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-04Emit target specific nodes for isSHUFPMaskBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113048 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-04Previous isMOVLMask matching already emits targets nodes, remove checkBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-04One more check from the original isShuffleMaskLegal goes awayBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113045 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-04Remove a duplicated but useless check that i've inserted in the previous commit.Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113044 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-04Refactor some code and remove the extra checks for unpckl_undef and unpckh_undefBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113043 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Remove check for unpckh maskBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113035 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Remove check for unpckl maskBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Inline isShuffleMaskLegal into LowerVECTOR_SHUFFLE, so we can startBruno Cardoso Lopes
checking each standalone condition and decide whether emit target specific nodes or remove the condition if it's already matched before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113031 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Reapply considered harmfull part of rr112934 and r112942.Bruno Cardoso Lopes
"Use target specific nodes instead of relying in unpckl and unpckh pattern fragments during isel time. Also place a depth limit in getShuffleScalarElt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113020 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Remove the rest of the nonexistent 64-bit AVX instructions.Dale Johannesen
Bruno, please review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Reapply last harmless part of r112934, the pattern fragment to match X86UnpcklpdBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Reintroduce a simple function refactoring done in r112934, also without any ↵Bruno Cardoso Lopes
functionality changes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Reapply piecies of r112942 and r112934 which don't doBruno Cardoso Lopes
functional changes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113007 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Reapply Fix commentBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113006 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Revert r112934, "- Use specific nodes to match unpckl masks.", which introducedDaniel Dunbar
some infinite loop and select failures. - Apologies for eager reverting, but its branch day. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113000 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Revert r112938 "Fix comment", which depends on r112934, which introduced someDaniel Dunbar
infinite loop and select failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Revert r112942, "Use punpckh and unpckh family of nodes instead of using unpckhDaniel Dunbar
mask pattern fragment", which depends on r112934, which introduced some infinite loop and select failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112998 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03AVX doesn't support mm operations neither its instrinsics.Bruno Cardoso Lopes
The AVX versions of PALIGN and PABS* should only exist for 128-bit. Remove the unnecessary stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112944 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Use punpckh and unpckh family of nodes instead of using unpckh mask pattern ↵Bruno Cardoso Lopes
fragment git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112942 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Fix commentBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112938 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03- Use specific nodes to match unpckl masks.Bruno Cardoso Lopes
- Teach getShuffleScalarElt how to handle more target specific nodes, so the DAGCombine can make use of it. - Add another hack to avoid the node update problem during legalization. More description on the comments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112934 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Don't call Predicate_* from X86 target.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Properly emit __chkstk call instead of __alloca on non-mingw windows targets.Anton Korobeynikov
Patch by Cameron Esfahani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112902 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move insertps mask decoding to header fileBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112896 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Revert win64 changes. They seem to be incompleteAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Properly allocate win64 shadow reg area.Anton Korobeynikov
Patch by Jan Sjodin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112875 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move decoding of insertps back to avoid unused warnings in x86 isel ↵Bruno Cardoso Lopes
lowering, and fix movlhps/movhlps to decode 4 elements shuffles git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Don't narrow the load and store in a load+twiddle+store sequence unlessDan Gohman
there are clearly no stores between the load and the store. This fixes this miscompile reported as PR7833. This breaks the test/CodeGen/X86/narrow_op-2.ll optimization, which is safe, but awkward to prove safe. Move it to X86's README.txt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112861 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move x86 specific shuffle mask decoding to its own header, it's also going ↵Bruno Cardoso Lopes
to be used elsewhere. Also trim trailing whitespaces git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112846 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Replace unpckl_undef and unpckh_undef matching with target specific opcodesBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112806 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move condition out to prepare for more matchingBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112805 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Remove checking for isUNPCKL_v_undef_Mask, the specific node is already ↵Bruno Cardoso Lopes
emitted for it git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112804 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02become more strict about when it's safe to use X86ISD::MOVLPSBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112799 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01Revert r112689, avoid those kind of checks cause they mess up with mmxBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112760 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01Using target specific nodes for shuffle nodes makes the maskBruno Cardoso Lopes
check more strict, breaking some cases not checked in the testsuite, but also exposes some foldings not done before, as this example: movaps (%rdi), %xmm0 movaps (%rax), %xmm1 movaps %xmm0, %xmm2 movss %xmm1, %xmm2 shufps $36, %xmm2, %xmm0 now is generated as: movaps (%rdi), %xmm0 movaps %xmm0, %xmm1 movlps (%rax), %xmm1 shufps $36, %xmm1, %xmm0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112753 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01Use movlps, movlpd, movss and movsd specific nodes instead of pattern ↵Bruno Cardoso Lopes
matching with movlp pattern fragment git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112694 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01minor change, simplify some logicBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112689 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-01Move some functions around so they can be used for some other to come functionBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112687 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Use x86 specific MOVSLDUP node, add more patterns to match it and remove ↵Bruno Cardoso Lopes
useless load nodes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112661 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Use x86 specific MOVSHDUP node and add more patterns to match itBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112657 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Make %EFLAGS unallocatable.Jakob Stoklund Olesen
No CCR virtual registers should exist, and %EFLAGS is used in ways that can surprise RegAllocFast. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112650 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Use MOVHLPS node instead of matching using movhlps and movhlps_undef pattern ↵Bruno Cardoso Lopes
fragments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112644 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Use MOVLHPS and MOVHLPS x86 nodes whenever possible. Also remove some ↵Bruno Cardoso Lopes
useless nodes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112642 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31Use X86ISD::MOVSS and MOVSD to represent the movl mask pattern, also fix the ↵Bruno Cardoso Lopes
handling of those nodes when seeking for scalars inside vector shuffles git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112570 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29A couple of small missed optimizations.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112411 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-29add a bunch more common shuffles to the instprinter.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112397 91177308-0d34-0410-b5e6-96231b3b80d8
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