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2006-05-24One of these xforms is only safe with unsafe math enabled.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28446 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-24Fix CodeGen/Generic/vector.ll:test_div with altivec.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28445 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-24New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28444 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-24Handle SETO* like we handle SET*, restoring behavior after Evan's setccChris Lattner
change. This fixes PowerPC/fnegsel.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28443 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Print struct return functions and calls as actually returning the hiddenChris Lattner
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
2006-05-23Fix file header commentChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28441 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Better way to check for vararg.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28440 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Remove PreprocessCCCArguments and PreprocessFastCCArguments now thatEvan Cheng
FORMAL_ARGUMENTS nodes include a token operand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28439 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Implement an annoying part of the Darwin/X86 abi: the callee of a structChris Lattner
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
2006-05-23-enable-unsafe-fp-math implies -enable-finite-only-fp-mathEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28437 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Make class comment visible in Doxygen.Vladimir Prus
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28436 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Fix missing includeVladimir Prus
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28435 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Added a test case for FP equality check.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28434 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Incorrect SETCC CondCode used for FP comparisons.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28433 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Added option -enable-finite-only-fp-math. When on, the codegen can assume thatEvan Cheng
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
2006-05-23implement minimal versions ofRafael Espindola
ARMAsmPrinter::runOnMachineFunction LowerFORMAL_ARGUMENTS ARMInstrInfo::isMoveInstr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28431 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Describe how to add a custom test.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28430 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-23Wrap long lines fix typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28429 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-22A isel deficiency.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28427 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-21For PR784:Reid Spencer
Support Win32 platforms for llvm-gcc path. Patch by Anton Korobeynikov git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28426 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-21Back out indirect branch load folding hack. It broke some tests.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28425 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-21Add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28424 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Make TargetData strings less redundant.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28423 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Silence a bogus gcc warningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28422 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Fix a parsing bug that caused 7 llvm-test regressions on PPC last night.Chris Lattner
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
2006-05-20- Use of load's chain result should be redirected to load's chain operand.Evan Cheng
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
2006-05-20A new entryEvan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28419 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Missing break statements.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28418 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Remove unused patterns.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28417 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Handle indirect call which folds a load manually. This never matches byEvan Cheng
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
2006-05-20Sparc is big-endian.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28415 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-20Make all of the TargetMachine subclasses use the new string TargetData methods.Owen Anderson
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
2006-05-19new testcase for csretccChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28413 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Print csretcc calls like this:Chris Lattner
call csretcc void %structret( { sbyte }* %P ) instead of this: callcsretcc void %structret( { sbyte }* %P ) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28412 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Fix misencoding of calling conventionsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28411 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19pretty print csretcc for callsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28410 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19CSRet allows varargsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28409 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Asmprint csret nicelyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28408 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19RegenerateChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28407 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Add support for parsing csretChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28406 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19csret functions can be varargs (as can target cc's). Verify restrictions onChris Lattner
csret functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28405 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Add new calling convention, as documented in LangRef.htmlChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28404 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19New calling convention I will be adding shortly.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28403 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28402 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28401 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Split the SSE readme items out into their own README.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28400 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Split FP-stack notes out of the main readme. Next up: splitting out SSE.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28399 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Move a target-independent note out of the X86 readme.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28398 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19Particularly ugly code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28397 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-19new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28396 91177308-0d34-0410-b5e6-96231b3b80d8
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