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* Start using GPR's to copy around mmx value instead of mmx regs.Chris Lattner2008-02-221-0/+32
| | | | | | | | | | | GCC apparently does this, and code depends on not having to do emms when this happens. This is x86-64 only so far, second half should handle x86-32. rdar://5741668 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47470 91177308-0d34-0410-b5e6-96231b3b80d8
* A few minor updates, removing implemented stuff and adding a couple of Eli Friedman2008-02-211-83/+110
| | | | | | | | new things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47458 91177308-0d34-0410-b5e6-96231b3b80d8
* Dan implemented one multiply issue. Replace it with another. :)Chris Lattner2008-02-211-12/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47431 91177308-0d34-0410-b5e6-96231b3b80d8
* Atomic op support. If any gcc test uses __sync builtins, it might start ↵Andrew Lenharth2008-02-215-6/+225
| | | | | | failing on archs that haven't implemented them yet git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47430 91177308-0d34-0410-b5e6-96231b3b80d8
* Poorly named option.Evan Cheng2008-02-202-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47400 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily backing out r47337. It breaks a number of CBE tests.Evan Cheng2008-02-201-5/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47385 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix newly-introduced 4.3 warningsAnton Korobeynikov2008-02-204-9/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47375 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix code styleAnton Korobeynikov2008-02-201-17/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47370 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove bunch of gcc 4.3-related warnings from TargetAnton Korobeynikov2008-02-2013-24/+31
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47369 91177308-0d34-0410-b5e6-96231b3b80d8
* Unbreak build with gcc 4.3: provide missed includes and silence most ↵Anton Korobeynikov2008-02-202-0/+2
| | | | | | annoying warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable for now. This is pessimizing code.Evan Cheng2008-02-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47354 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hidden option -x86-fold-and-in-test to test the effect the test / and ↵Evan Cheng2008-02-192-1/+7
| | | | | | folding change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47351 91177308-0d34-0410-b5e6-96231b3b80d8
* fix some byval problems in the cbe. Closes PR2065Andrew Lenharth2008-02-191-7/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47337 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't fold and's into test instructions if they have multiple uses.Chris Lattner2008-02-191-6/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | This compiles test-nofold.ll into: _test: movl $15, %ecx andl 4(%esp), %ecx testl %ecx, %ecx movl $42, %eax cmove %ecx, %eax ret instead of: _test: movl 4(%esp), %eax movl %eax, %ecx andl $15, %ecx testl $15, %eax movl $42, %eax cmove %ecx, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47330 91177308-0d34-0410-b5e6-96231b3b80d8
* Me not like duplicated comments.Evan Cheng2008-02-191-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47300 91177308-0d34-0410-b5e6-96231b3b80d8
* - When DAG combiner is folding a bit convert into a BUILD_VECTOR, it should ↵Evan Cheng2008-02-184-55/+78
| | | | | | | | | check if it's essentially a SCALAR_TO_VECTOR. Avoid turning (v8i16) <10, u, u, u> to <10, 0, u, u, u, u, u, u>. Instead, simply convert it to a SCALAR_TO_VECTOR of the proper type. - X86 now normalize SCALAR_TO_VECTOR to (BIT_CONVERT (v4i32 SCALAR_TO_VECTOR)). Get rid of X86ISD::S2VEC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47290 91177308-0d34-0410-b5e6-96231b3b80d8
* Chris pointed out that it's not necessary to set i64 MUL to ExpandDan Gohman2008-02-181-12/+10
| | | | | | | | on x86-32 since i64 itself is not a Legal type. And, update some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47282 91177308-0d34-0410-b5e6-96231b3b80d8
* upgrade some tests.Chris Lattner2008-02-181-39/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47280 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a noteNate Begeman2008-02-181-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47279 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a note about sext from i1 plus flags use.Chris Lattner2008-02-181-0/+52
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47278 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't mark scalar integer multiplication as Expand on x86, since x86Dan Gohman2008-02-181-5/+6
| | | | | | | | | | | | | | has plain one-result scalar integer multiplication instructions. This avoids expanding such instructions into MUL_LOHI sequences that must be special-cased at isel time, and avoids the problem with that code that provented memory operands from being folded. This fixes PR1874, addressesing the most common case. The uncommon cases of optimizing multiply-high operations will require work in DAGCombiner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47277 91177308-0d34-0410-b5e6-96231b3b80d8
* move PR2053 to here.Chris Lattner2008-02-171-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47237 91177308-0d34-0410-b5e6-96231b3b80d8
* I cannot find a libgcc function for this builtin. Therefor expanding it to ↵Andrew Lenharth2008-02-168-4/+18
| | | | | | a noop (which is how it use to be treated). If someone who knows the x86 backend better than me could tell me how to get a lock prefix on an instruction, that would be nice to complete x86 support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47213 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm.memory.barrier, and impl for x86 and alphaAndrew Lenharth2008-02-165-1/+38
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47204 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle \n's in value names for more targets. The asm printers Chris Lattner2008-02-153-13/+40
| | | | | | | | really really really need refactoring :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47171 91177308-0d34-0410-b5e6-96231b3b80d8
* If the llvm name contains an unprintable character, don't print it inChris Lattner2008-02-151-3/+15
| | | | | | | | | | | | | the global comment. This prevents printing things like: ... # foo bar when the name is "foo\nbar". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47170 91177308-0d34-0410-b5e6-96231b3b80d8
* Cosmetics.Dale Johannesen2008-02-151-6/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47168 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove warning about 64-bit code on processorDale Johannesen2008-02-152-10/+0
| | | | | | | | that doesn't support it. Per Chris. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47162 91177308-0d34-0410-b5e6-96231b3b80d8
* nocona, core2 and penryn support 64 bit.Dale Johannesen2008-02-151-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47149 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite tblgen handling of subtarget features soDale Johannesen2008-02-144-0/+4
| | | | | | | | | | | | it follows the order of the enum, not alphabetical. The motivation is to make -mattr=+ssse3,+sse41 select SSE41 as it ought to. Added "ignored" enum values of 0 to PPC and SPU to avoid compiler warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47143 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix single precision FP constants on SPU. They are actually legal,Nate Begeman2008-02-143-20/+9
| | | | | | | which allows us to kill a target-specific node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47127 91177308-0d34-0410-b5e6-96231b3b80d8
* In TargetLowering::LowerCallTo, don't assert thatDuncan Sands2008-02-147-20/+35
| | | | | | | | | | | | | | | | | | the return value is zero-extended if it isn't sign-extended. It may also be any-extended. Also, if a floating point value was returned in a larger floating point type, pass 1 as the second operand to FP_ROUND, which tells it that all the precision is in the original type. I think this is right but I could be wrong. Finally, when doing libcalls, set isZExt on a parameter if it is "unsigned". Currently isSExt is set when signed, and nothing is set otherwise. This should be right for all calls to standard library routines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47122 91177308-0d34-0410-b5e6-96231b3b80d8
* Change how FP immediates are handled. Nate Begeman2008-02-148-27/+21
| | | | | | | | | | | | | | | 1) ConstantFP is now expand by default 2) ConstantFP is not turned into TargetConstantFP during Legalize if it is legal. This allows ConstantFP to be handled like Constant, allowing for targets that can encode FP immediates as MachineOperands. As a bonus, fix up Itanium FP constants, which now correctly match, and match more constants! Hooray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47121 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some useful operands up into the all-targets .tdNate Begeman2008-02-142-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47115 91177308-0d34-0410-b5e6-96231b3b80d8
* upgrade some entries, remove stuff that is done.Chris Lattner2008-02-142-134/+46
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47109 91177308-0d34-0410-b5e6-96231b3b80d8
* the mid-level optimizer removes this stuff.Chris Lattner2008-02-141-26/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47108 91177308-0d34-0410-b5e6-96231b3b80d8
* this one is easy.Chris Lattner2008-02-141-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47107 91177308-0d34-0410-b5e6-96231b3b80d8
* This readme entry is done, testcase here: CodeGen/X86/zero-remat.llChris Lattner2008-02-141-14/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47106 91177308-0d34-0410-b5e6-96231b3b80d8
* Assigning an APInt to 0 with plain assignment gives it a one-bitDan Gohman2008-02-131-1/+1
| | | | | | | size. Initialize these APInts to properly-sized zero values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47099 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify some logic in ComputeMaskedBits. And change ComputeMaskedBitsDan Gohman2008-02-139-10/+10
| | | | | | | to pass the mask APInt by value, not by reference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47096 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable exception handling int JITNicolas Geoffray2008-02-132-5/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47079 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the PPC JIT regressions by encoding zeroreg as 0 for BLR.Chris Lattner2008-02-131-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47067 91177308-0d34-0410-b5e6-96231b3b80d8
* don't try to avoid inserting loads when lowering FORMAL_ARGUMENTS. Chris Lattner2008-02-133-39/+17
| | | | | | | DAGCombine is now quite good at zapifying them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47053 91177308-0d34-0410-b5e6-96231b3b80d8
* readme updatesNate Begeman2008-02-132-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47051 91177308-0d34-0410-b5e6-96231b3b80d8
* Make register scavenging happy by not using a reg (CR0) that isn't definedNate Begeman2008-02-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47045 91177308-0d34-0410-b5e6-96231b3b80d8
* commuteInstr() can now commute non-ssa machine instrs.Evan Cheng2008-02-132-0/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47043 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert SelectionDAG::ComputeMaskedBits to use APInt instead of uint64_t.Dan Gohman2008-02-139-40/+38
| | | | | | | | Add an overload that supports the uint64_t interface for use by clients that haven't been updated yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47039 91177308-0d34-0410-b5e6-96231b3b80d8
* __DATA not __DATA__ is the right segment name on darwin.Dale Johannesen2008-02-122-2/+2
| | | | | | | | Spotted by Nick Kledzik. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47037 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some dead codeNate Begeman2008-02-121-7/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47036 91177308-0d34-0410-b5e6-96231b3b80d8
* SSE4.1 64b integer insert/extract pattern supportNate Begeman2008-02-124-41/+73
| | | | | | | Move formats into the formats file git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47035 91177308-0d34-0410-b5e6-96231b3b80d8
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