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path: root/lib/Target/Mips/MipsISelLowering.cpp
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2013-03-30[mips] Fix DSP instructions to have explicit accumulator register operands.Akira Hatanaka
Check that instruction selection can select multiply-add/sub DSP instructions from a pattern that doesn't have intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178406 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-30[mips] Move the code which does dag-combine for multiply-add/sub nodes toAkira Hatanaka
derived class MipsSETargetLowering. We shouldn't be generating madd/msub nodes if target is Mips16, since Mips16 doesn't have support for multipy-add/sub instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178404 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-30[mips] Fix definitions of multiply, multiply-add/sub and divide instructions.Akira Hatanaka
The new instructions have explicit register output operands and use table-gen patterns instead of C++ code to do instruction selection. Mips16's instructions are unaffected by this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178403 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-30[mips] Remove function getFPBranchCodeFromCond. Rename invertFPCondCodeAdd.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178396 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-30Fix indentation.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178395 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-30[mips] Add mips-specific nodes which will be used to select multiply and divideAkira Hatanaka
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178394 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-13[mips] Define two subclasses of MipsTargetLowering. Mips16TargetLowering is forAkira Hatanaka
mips16 and MipsSETargetLowering is for mips32/64. No functionality changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176917 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-12[mips] Rename function and variable names to start with proper case. Fix typos.Akira Hatanaka
Delete commented-out code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176844 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-08DAGCombiner: Use correct value type for checking legality of BR_CC v3Tom Stellard
LegalizeDAG.cpp uses the value of the comparison operands when checking the legality of BR_CC, so DAGCombiner should do the same. v2: - Expand more BR_CC value types for NVPTX v3: - Expand correct BR_CC value types for Hexagon, Mips, and XCore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176694 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-06[mips] Custom-legalize BR_JT.Akira Hatanaka
In N64-static, GOT address is needed to compute the branch address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176580 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05[mips] Fix MipsCC::analyzeReturn so that, in soft-float mode, fp128 getsAkira Hatanaka
returned in registers $2 and $4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176527 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05[mips] Fix MipsTargetLowering::LowerCallResult and LowerReturn to correctlyAkira Hatanaka
handle fp128 returns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176523 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05[mips] Fix MipsTargetLowering::LowerCall to pass fp128 arguments in floatingAkira Hatanaka
point registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176521 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-05[mips] Correct handling of fp128 (long double) formals and read long doubleAkira Hatanaka
parameters from floating point registers if target is mips64 hard float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176520 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-04Mips specific inline assembler constraint 'R'Jack Carter
'R' An address that can be sued in a non-macro load or store. This patch includes a positive test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176452 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-04Mips ISD typoJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176426 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-25Make pseudos FEXT_CCRX16_ins and FEXT_CCRXI16_ins into custom emitters.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176007 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-24 Make psuedo FEXT_T8I816_ins into a custom emitter.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176002 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-24Make psuedo FEXT_T8I816_ins a custom inserter. It should be expandedReed Kotler
as early as possible; which means during instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175984 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-23Expand pseudos/macros for Selt. This is the last of the complexReed Kotler
macros.The rest is some small misc. stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175950 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22[mips] Emit call16 operator instead of got_disp. The former allows lazy binding.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175920 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Fix a nomenclature mistake. Slt->Slti in the functions. The "i" refersReed Kotler
to the immediate operand of sli or cmp function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175865 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-22Expand mips16 SelT form pseudso/macros.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175862 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-21Expand the sel pseudo/macro. This generates basic blocks where previouslyReed Kotler
there were inline br .+4 instructions. Soon everything can enjoy the full instruction scheduling experience. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175718 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-20Update TargetLowering ivars for name policy.Jim Grosbach
http://llvm.org/docs/CodingStandards.html#name-types-functions-variables-and-enumerators-properly ivars should be camel-case and start with an upper-case letter. A few in TargetLowering were starting with a lower-case letter. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175667 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15[mips] Clean up class MipsCCInfo.Akira Hatanaka
No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175310 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05[mips] Do not use function CC_MipsN_VarArg unless the function being analyzedAkira Hatanaka
is a vararg function. The original code was examining flag OutputArg::IsFixed to determine whether CC_MipsN_VarArg or CC_MipsN should be called. This is not correct, since this flag is often set to false when the function being analyzed is a non-variadic function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174442 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-05Move MRI liveouts to Mips return instructions.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174410 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[mips] Lower EH_RETURN.Akira Hatanaka
Patch by Sasa Stankovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173862 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Teach SDISel to combine fsin / fcos into a fsincos node if the followingEvan Cheng
conditions are met: 1. They share the same operand and are in the same BB. 2. Both outputs are used. 3. The target has a native instruction that maps to ISD::FSINCOS node or the target provides a sincos library call. Implemented the generic optimization in sdisel and enabled it for Mac OSX. Also added an additional optimization for x86_64 Mac OSX by using an alternative entry point __sincos_stret which returns the two results in xmm0 / xmm1. rdar://13087969 PR13204 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Remove addToNoHelperNeeded function that was left unused after r173649. ↵Craig Topper
Fixes a -Wunused warning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173664 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28Make some code a little simpler.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173649 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-26fix use of std::std. it's ordered set.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173563 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24MipsISelLowering.cpp: Fill unreachable paths to fix warnings. ↵NAKAMURA Takumi
[-Wsometimes-uninitialized] FIXME: Could they, unreachable(s), be removed? FIXME: I could prefer the coding standards... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173325 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24MipsISelLowering.cpp: Fix a warning, take two. [-Wunused-variable]NAKAMURA Takumi
...and fix a typo, s/#ifdef/#ifndef/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173324 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24MipsISelLowering.cpp: Fix a warning. [-Wunused-variable]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173323 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24The next phase of Mips16 hard float implementation.Reed Kotler
Allow Mips16 routines to call Mips32 routines that have abi requirements that either arguments or return values are passed in floating point registers. This handles only the pic case. We have not done non pic for Mips16 yet in any form. The libm functions are Mips32, so with this addition we have a complete Mips16 hard float implementation. We still are not able to complete mix Mip16 and Mips32 with hard float. That will be the next phase which will have several steps. For Mips32 to freely call Mips16 some stub functions must be created. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22[mips] Clean up code in MipsTargetLowering::LowerCall. No functional changeAkira Hatanaka
intended git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173189 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04[mips] MipsTargetLowering::getSetCCResultType should return a vector type ifAkira Hatanaka
vectors are being compared. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171517 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Move all of the header files which are involved in modelling the LLVM IRChandler Carruth
into their new header subdirectory: include/llvm/IR. This matches the directory structure of lib, and begins to correct a long standing point of file layout clutter in LLVM. There are still more header files to move here, but I wanted to handle them in separate commits to make tracking what files make sense at each layer easier. The only really questionable files here are the target intrinsic tablegen files. But that's a battle I'd rather not fight today. I've updated both CMake and Makefile build systems (I think, and my tests think, but I may have missed something). I've also re-sorted the includes throughout the project. I'll be committing updates to Clang, DragonEgg, and Polly momentarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20set register class properly for mips16 hereReed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170669 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20This assert is overly restrictive and does not work for mips16.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170667 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-15This code implements most of mips16 hardfloat as it is done by gcc.Reed Kotler
In this case, essentially it is soft float with different library routines. The next step will be to make this fully interoperational with mips32 floating point and that requires creating stubs for functions with signatures that contain floating point types. I have a more sophisticated design for mips16 hardfloat which I hope to implement at a later time that directly does floating point without the need for function calls. The mips16 encoding has no floating point instructions so one needs to switch to mips32 mode to execute floating point instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170259 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13Change TargetLowering::getRegClassFor to take an MVT, instead of EVT.Patrik Hagglund
Accordingly, add helper funtions getSimpleValueType (in parallel to getValueType) in SDValue, SDNode, and TargetLowering. This is the first, in a series of patches. This is the second attempt. In the first attempt (r169837), a few getSimpleVT() were hoisted too far, detected by bootstrap failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170104 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-13[mips] Do not copy GOT address to register $gp if the function being called hasAkira Hatanaka
internal linkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170092 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12Sorry about the churn. One more change to getOptimalMemOpType() hook. Did IEvan Cheng
mention the inline memcpy / memset expansion code is a mess? This patch split the ZeroOrLdSrc argument into two: IsMemset and ZeroMemset. The first indicates whether it is expanding a memset or a memcpy / memmove. The later is whether the memset is a memset of zero. It's totally possible (likely even) that targets may want to do different things for memcpy and memset of zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169959 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12- Rename isLegalMemOpType to isSafeMemOpType. "Legal" is a very overloade term.Evan Cheng
Also added more comments to explain why it is generally ok to return true. - Rename getOptimalMemOpType argument IsZeroVal to ZeroOrLdSrc. It's meant to be true for loaded source (memcpy) or zero constants (memset). The poor name choice is probably some kind of legacy issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169954 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Revert EVT->MVT changes, r169836-169851, due to buildbot failures.Patrik Hagglund
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169854 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-11Change TargetLowering::getRegClassFor to take an MVT, instead of EVT.Patrik Hagglund
Accordingly, add helper funtions getSimpleValueType (in parallel to getValueType) in SDValue, SDNode, and TargetLowering. This is the first, in a series of patches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169837 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-10Some enhancements for memcpy / memset inline expansion.Evan Cheng
1. Teach it to use overlapping unaligned load / store to copy / set the trailing bytes. e.g. On 86, use two pairs of movups / movaps for 17 - 31 byte copies. 2. Use f64 for memcpy / memset on targets where i64 is not legal but f64 is. e.g. x86 and ARM. 3. When memcpy from a constant string, do *not* replace the load with a constant if it's not possible to materialize an integer immediate with a single instruction (required a new target hook: TLI.isIntImmLegal()). 4. Use unaligned load / stores more aggressively if target hooks indicates they are "fast". 5. Update ARM target hooks to use unaligned load / stores. e.g. vld1.8 / vst1.8. Also increase the threshold to something reasonable (8 for memset, 4 pairs for memcpy). This significantly improves Dhrystone, up to 50% on ARM iOS devices. rdar://12760078 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169791 91177308-0d34-0410-b5e6-96231b3b80d8
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