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3122 Commits

Author SHA1 Message Date
Evan Cheng
32967d2c7d 80 column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47878 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 03:20:06 +00:00
Evan Cheng
07b7ea1a48 Remove -always-fold-and-in-test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47871 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 00:40:35 +00:00
Dan Gohman
4c1fa61652 Add support for lowering i64 SRA_PARTS and friends on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47865 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 22:22:09 +00:00
Devang Patel
41e2397b72 s/isReturnStruct()/hasStructRetAttr()/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 21:46:28 +00:00
Chris Lattner
767486b1d5 Evan implemented these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47828 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 18:05:14 +00:00
Andrew Lenharth
fe0753efba good catch anton 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47800 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 23:18:21 +00:00
Andrew Lenharth
ce1105da43 make CAS work 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47799 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 22:27:48 +00:00
Andrew Lenharth
26ed8697d4 all but CAS working on x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47798 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 21:52:34 +00:00
Andrew Lenharth
ea7da50e5a Add lock prefix support to x86. Also add the instructions necessary for the atomic ops. They are still marked pseudo, since I cannot figure out what format to use, but they are the correct opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47795 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 13:37:02 +00:00
Anton Korobeynikov
8213f9cf94 Use enumeration for preffered EH dwarf encoding reason 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47770 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 22:09:08 +00:00
Anders Carlsson
b26947e967 Use the correct instruction encodings for the 64-bit MMX movd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47740 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:35:12 +00:00
Evan Cheng
d703ed6aed Added option -align-loops=<true/false> to disable loop aligner pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47736 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 23:29:57 +00:00
Evan Cheng
e526d8a955 Set to default: x86 no longer fold and into test if it has more than one use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 07:46:38 +00:00
Chris Lattner
daf6c541b2 Add a random not very important note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47704 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 04:52:59 +00:00
Evan Cheng
fb8075d03f Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 00:43:03 +00:00
Eli Friedman
41ce5b82da A few more small things I've run into. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 00:21:43 +00:00
Anton Korobeynikov
cee750fb1e Preparation step for some cleanup/generalization in EH information emission: 
provide TAI hook for selection of EH data emission format. Currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:50 +00:00
Evan Cheng
fd1074f171 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 20:26:32 +00:00
Chris Lattner
b09916bdfb Make X86TargetLowering::LowerSINT_TO_FP return without creating a dead 
stack slot and store if the  SINT_TO_FP is actually legal.  This allows
us to compile:

double a(double b) {return (unsigned)b;}

to:

_a:
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	ret

instead of:

_a:
	subq	$8, %rsp
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	addq	$8, %rsp
	ret

crazy.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47660 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 05:57:41 +00:00
Chris Lattner
22eedf4eec this code is correct but strange looking ;-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 05:48:44 +00:00
Chris Lattner
d0ba2a9c14 Compile x86-64-and-mask.ll into: 
_test:
	movl	%edi, %eax
	ret

instead of:

_test:
        movl    $4294967295, %ecx
        movq    %rdi, %rax
        andq    %rcx, %rax
        ret

It would be great to write this as a Pat pattern that used subregs 
instead of a 'pseudo' instruction, but I don't know how to do that
in td files.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 05:47:54 +00:00
Chris Lattner
ba309d43aa add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47652 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 01:17:20 +00:00
Arnold Schwaighofer
258bb1b8e8 Refactor according to Evan's and Anton's suggestions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47635 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 22:21:54 +00:00
Bill Wendling
74ab84c31e Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47625 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 21:11:01 +00:00
Arnold Schwaighofer
16a3e52d08 Correct function comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47606 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 17:50:59 +00:00
Bill Wendling
85db3a96b4 De-tabify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47600 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 10:57:23 +00:00
Arnold Schwaighofer
a2a4b475fc Add support for intermodule tail calls on x86/32bit with 
GOT-style position independent code. Before only tail calls to
protected/hidden functions within the same module were optimized.
Now all function calls are tail call optimized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47594 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 10:21:54 +00:00
Arnold Schwaighofer
865c68188a Change the lowering of arguments for tail call optimized 
calls. Before arguments that could overwrite each other were
explicitly lowered to a stack slot, not giving the register allocator
a chance to optimize. Now a sequence of copyto/copyfrom virtual
registers ensures that arguments are loaded in (virtual) registers
before they are lowered to the stack slot (and might overwrite each
other). Also parameter stack slots are marked mutable for
(potentially) tail calling functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47593 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 09:19:59 +00:00
Dan Gohman
545914311a Revert the assert for MUL_LOHI with an unused high result; Chris 
pointed out that this isn't correct at -O0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-25 22:43:48 +00:00
Dale Johannesen
14e2ea9a55 Revise previous patch per review. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47573 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-25 22:29:22 +00:00
Dan Gohman
c2d9b5fcdf Add an assert to verify that we don't see an 
{S,U}MUL_LOHI with an unused high value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-25 22:15:55 +00:00
Dan Gohman
fcf81db600 Remove the hack that turned an {S,U}MUL_LOHI with an unused high 
result into a MUL late in the X86 codegen process. ISD::MUL is
once again Legal on X86, so this is no longer needed. And, the
hack was suboptimal; see PR1874 for details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47567 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-25 21:57:04 +00:00
Dan Gohman
2e68b6f52d Convert MaskedValueIsZero and all its users to use APInt. Also add 
a SignBitIsZero function to simplify a common use case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47561 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-25 21:11:39 +00:00
Dale Johannesen
079f2a66ae Expand removal of MMX memory copies to allow 1 level 
of TokenFactor underneath chain (seems to be enough)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47554 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-25 19:20:14 +00:00
Evan Cheng
c19eca38ef Turning on remat of pic loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47524 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-23 02:07:42 +00:00
Evan Cheng
b2a0abce1e No need recognize load from a fixed argument slot as re-materializable. LiveIntervalAnalysis already handles it as a special case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47522 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-23 01:47:44 +00:00
Dale Johannesen
22c3979fca Split ParameterAttributes.h, putting the complicated 
stuff into ParamAttrsList.h.  Per feedback from
ParamAttrs changes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47504 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-22 22:17:59 +00:00
Dale Johannesen
3edd6dcf82 MMX vectors are passed 4-byte aligned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-22 17:47:28 +00:00
Evan Cheng
d8850a512e Allow re-materialization of pic load (controlled by -remat-pic-load for now). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-22 09:25:47 +00:00
Chris Lattner
d2b1fb27df copy mmx values from/to memory with GPRs on x86-32 
instead of with mmx registers.  This horribleness is apparently
done by gcc to avoid having to insert emms in places that really 
should have it.  This is the second half of rdar://5741668.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47474 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-22 05:18:04 +00:00
Chris Lattner
149a4e56fc Start using GPR's to copy around mmx value instead of mmx regs. 
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
 2008-02-22 02:09:43 +00:00
Eli Friedman
a2e7efa6d3 A few minor updates, removing implemented stuff and adding a couple of 
new things.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-21 21:16:49 +00:00
Chris Lattner
7c1687c196 Dan implemented one multiply issue. Replace it with another. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47431 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-21 06:51:29 +00:00
Andrew Lenharth
ab0b949e0e Atomic op support. If any gcc test uses __sync builtins, it might start 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
 2008-02-21 06:45:13 +00:00
Evan Cheng
3738f2d59f Poorly named option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47400 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 20:57:32 +00:00
Anton Korobeynikov
4aefd6b7d4 Fix newly-introduced 4.3 warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47375 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 12:07:57 +00:00
Anton Korobeynikov
7c1c261272 Remove bunch of gcc 4.3-related warnings from Target 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47369 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 11:22:39 +00:00
Anton Korobeynikov
ae9f3a3b7c Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47367 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 11:08:44 +00:00
Evan Cheng
79964fdbaf Disable for now. This is pessimizing code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47354 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-20 02:29:17 +00:00
Evan Cheng
e9c608d6cc Add hidden option -x86-fold-and-in-test to test the effect the test / and folding change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47351 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-19 23:36:51 +00:00