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* Fix CodeGen/Generic/vector.ll:test_div with altivec.Chris Lattner2006-05-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28445 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle SETO* like we handle SET*, restoring behavior after Evan's setccChris Lattner2006-05-24
| | | | | | | change. This fixes PowerPC/fnegsel.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28443 91177308-0d34-0410-b5e6-96231b3b80d8
* Print struct return functions and calls as actually returning the hiddenChris Lattner2006-05-23
| | | | | | | | | argument struct pointer, enabling ABI compatibility for the CBE with platforms with strange struct-return ABIs. This fixes 252.eon and CoyoteBench/fftbench on Darwin/X86 among other things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28442 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix file header commentChris Lattner2006-05-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28441 91177308-0d34-0410-b5e6-96231b3b80d8
* Better way to check for vararg.Evan Cheng2006-05-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28440 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove PreprocessCCCArguments and PreprocessFastCCArguments now thatEvan Cheng2006-05-23
| | | | | | | FORMAL_ARGUMENTS nodes include a token operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28439 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement an annoying part of the Darwin/X86 abi: the callee of a structChris Lattner2006-05-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | return argument pops the hidden struct pointer if present, not the caller. For example, in this testcase: struct X { int D, E, F, G; }; struct X bar() { struct X a; a.D = 0; a.E = 1; a.F = 2; a.G = 3; return a; } void foo(struct X *P) { *P = bar(); } We used to emit: _foo: subl $28, %esp movl 32(%esp), %eax movl %eax, (%esp) call _bar addl $28, %esp ret _bar: movl 4(%esp), %eax movl $0, (%eax) movl $1, 4(%eax) movl $2, 8(%eax) movl $3, 12(%eax) ret This is correct on Linux/X86 but not Darwin/X86. With this patch, we now emit: _foo: subl $28, %esp movl 32(%esp), %eax movl %eax, (%esp) call _bar *** addl $24, %esp ret _bar: movl 4(%esp), %eax movl $0, (%eax) movl $1, 4(%eax) movl $2, 8(%eax) movl $3, 12(%eax) *** ret $4 For the record, GCC emits (which is functionally equivalent to our new code): _bar: movl 4(%esp), %eax movl $3, 12(%eax) movl $2, 8(%eax) movl $1, 4(%eax) movl $0, (%eax) ret $4 _foo: pushl %esi subl $40, %esp movl 48(%esp), %esi leal 16(%esp), %eax movl %eax, (%esp) call _bar subl $4, %esp movl 16(%esp), %eax movl %eax, (%esi) movl 20(%esp), %eax movl %eax, 4(%esi) movl 24(%esp), %eax movl %eax, 8(%esi) movl 28(%esp), %eax movl %eax, 12(%esi) addl $40, %esp popl %esi ret This fixes SingleSource/Benchmarks/CoyoteBench/fftbench with LLC and the JIT, and fixes the X86-backend portion of PR729. The CBE still needs to be updated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28438 91177308-0d34-0410-b5e6-96231b3b80d8
* -enable-unsafe-fp-math implies -enable-finite-only-fp-mathEvan Cheng2006-05-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28437 91177308-0d34-0410-b5e6-96231b3b80d8
* Added option -enable-finite-only-fp-math. When on, the codegen can assume thatEvan Cheng2006-05-23
| | | | | | | | FP arithmetic arguments and results are never NaNs or +=Infs. This includes ignoring parity flag (PF) when checking for FP equality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28432 91177308-0d34-0410-b5e6-96231b3b80d8
* implement minimal versions ofRafael Espindola2006-05-23
| | | | | | | | | ARMAsmPrinter::runOnMachineFunction LowerFORMAL_ARGUMENTS ARMInstrInfo::isMoveInstr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28431 91177308-0d34-0410-b5e6-96231b3b80d8
* A isel deficiency.Evan Cheng2006-05-22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28427 91177308-0d34-0410-b5e6-96231b3b80d8
* Back out indirect branch load folding hack. It broke some tests.Evan Cheng2006-05-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28425 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a noteChris Lattner2006-05-21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28424 91177308-0d34-0410-b5e6-96231b3b80d8
* Make TargetData strings less redundant.Owen Anderson2006-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28423 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a parsing bug that caused 7 llvm-test regressions on PPC last night.Chris Lattner2006-05-20
| | | | | | | I'm suprised it didn't cause more! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28421 91177308-0d34-0410-b5e6-96231b3b80d8
* - Use of load's chain result should be redirected to load's chain operand.Evan Cheng2006-05-20
| | | | | | | | | | If it reads the chain result of the call, then the use, callseq_start, and call would form a cycle! - Don't forget handle node replacement! - There could also be a TokenFactor between the load and the callseq_start. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28420 91177308-0d34-0410-b5e6-96231b3b80d8
* A new entryEvan Cheng2006-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28419 91177308-0d34-0410-b5e6-96231b3b80d8
* Missing break statements.Evan Cheng2006-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28418 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused patterns.Evan Cheng2006-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28417 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle indirect call which folds a load manually. This never matches byEvan Cheng2006-05-20
| | | | | | | | the TableGen generated code since the load's chain result is read by the callseq_start node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28416 91177308-0d34-0410-b5e6-96231b3b80d8
* Sparc is big-endian.Owen Anderson2006-05-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28415 91177308-0d34-0410-b5e6-96231b3b80d8
* Make all of the TargetMachine subclasses use the new string TargetData methods.Owen Anderson2006-05-20
| | | | | | | This is part of the on-going work on PR 761. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28414 91177308-0d34-0410-b5e6-96231b3b80d8
* CSRet allows varargsChris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28409 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a noteChris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28402 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a noteChris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28401 91177308-0d34-0410-b5e6-96231b3b80d8
* Split the SSE readme items out into their own README.Chris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28400 91177308-0d34-0410-b5e6-96231b3b80d8
* Split FP-stack notes out of the main readme. Next up: splitting out SSE.Chris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28399 91177308-0d34-0410-b5e6-96231b3b80d8
* Move a target-independent note out of the X86 readme.Chris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28398 91177308-0d34-0410-b5e6-96231b3b80d8
* Particularly ugly code.Chris Lattner2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28397 91177308-0d34-0410-b5e6-96231b3b80d8
* These can be transformed into lea as well. Not that we use this featureEvan Cheng2006-05-19
| | | | | | | currently... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28393 91177308-0d34-0410-b5e6-96231b3b80d8
* - Use exact-width integer types, e.g. int32_t, to avoid confusion.Evan Cheng2006-05-19
| | | | | | | | - Fix a couple of minor bugs in i16immSExt8 and i16immZExt8. - Added loadiPTR fragment used for indirect jumps and calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28392 91177308-0d34-0410-b5e6-96231b3b80d8
* Explicitly specify MOV32mi can only be used store 32-bit GV, etc.Evan Cheng2006-05-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28390 91177308-0d34-0410-b5e6-96231b3b80d8
* implement movriRafael Espindola2006-05-18
| | | | | | | add a stub LowerFORMAL_ARGUMENTS git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28388 91177308-0d34-0410-b5e6-96231b3b80d8
* Added a Flags field to TargetOperandInfo. Currently the only flag isEvan Cheng2006-05-18
| | | | | | | | M_LOOK_UP_PTR_REG_CLASS which allows the register class of the operand to be resolved via a callback at runtime. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28387 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2006-05-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28384 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2006-05-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28383 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bogus gcc warningAndrew Lenharth2006-05-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28382 91177308-0d34-0410-b5e6-96231b3b80d8
* ImmMask should be 3 for a two-bit field; Compact X86IIEvan Cheng2006-05-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28381 91177308-0d34-0410-b5e6-96231b3b80d8
* getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd.Evan Cheng2006-05-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28378 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove CalleeSavedRegisters from class Target.Evan Cheng2006-05-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28377 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a stupid bug when parsing TargetData strings.Owen Anderson2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28373 91177308-0d34-0410-b5e6-96231b3b80d8
* Use generic iPTR instead i32 to represent pointer type.Evan Cheng2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28371 91177308-0d34-0410-b5e6-96231b3b80d8
* Another entryEvan Cheng2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28370 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove PointerType from class TargetEvan Cheng2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28368 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix call_adj.llAndrew Lenharth2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28360 91177308-0d34-0410-b5e6-96231b3b80d8
* Added sanity check for obviously bogus immediatesAndrew Lenharth2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28359 91177308-0d34-0410-b5e6-96231b3b80d8
* Should pass by reference.Evan Cheng2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28357 91177308-0d34-0410-b5e6-96231b3b80d8
* Another entryEvan Cheng2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28356 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a note about a noteChris Lattner2006-05-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28355 91177308-0d34-0410-b5e6-96231b3b80d8
* Make PPC call lowering more aggressive, making the isel matching code simpleChris Lattner2006-05-17
| | | | | | | enough to be autogenerated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28354 91177308-0d34-0410-b5e6-96231b3b80d8
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