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f602a25668
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8128 Commits

Author SHA1 Message Date
Chris Lattner
f602a25668 Fix a bug handling frame references in ppc inline asm when the frame offset 
doesn't fit into 16 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43032 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-16 18:00:18 +00:00
Arnold Schwaighofer
448175fd02 Correction to tail call optimization code. The new return address 
was stored to the acutal stack slot before the parameters were
lowered to their stack slot. This could cause arguments to be
overwritten by the return address if the called function had less
parameters than the caller function. The update should remove the
last failing test case of llc-beta: SPASS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43027 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-16 09:05:00 +00:00
Chris Lattner
1de7c1dd6f Change LowerFP_TO_SINT to create the specific code it needs instead of 
unconditionally creating an i64 bitcast.  With the future legalizer
design, operation legalization can't introduce new nodes with illegal
types.

This fixes the rest of olden on ppc32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43005 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-15 20:14:52 +00:00
Evan Cheng
87c8935fd5 LowerFP_TO_SINT must not create a stack object if it's not needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43004 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-15 20:11:21 +00:00
Dale Johannesen
6e64473603 Handle PPC long double in CBackend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42972 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-15 01:05:37 +00:00
Evan Cheng
3644601563 Unbreak x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42962 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-14 10:09:39 +00:00
Evan Cheng
347d39f1fd Revert 42908 for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42960 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-14 05:57:21 +00:00
Dale Johannesen
296c176141 Fix type mismatch error in PPC Altivec (only causes 
a problem when asserts are on).  From vecLib.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42959 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-14 01:58:32 +00:00
Duncan Sands
7fef59f7e5 Clarify that fastcc has a problem with nested function 
trampolines, rather than with nested functions themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42955 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-13 07:38:37 +00:00
Evan Cheng
106e8020bd Change unfoldMemoryOperand(). User is now responsible for passing in the 
register used by the unfolded instructions. User can also specify whether to
unfold the load, the store, or both.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-13 02:35:06 +00:00
Arnold Schwaighofer
92226dd19f Correcting the corrections. Bad bad baaad emacs! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42935 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 21:53:12 +00:00
Arnold Schwaighofer
48abc5cf6b Corrected many typing errors. And removed 'nest' parameter handling 
for fastcc from X86CallingConv.td.  This means that nested functions
are not supported for calling convention 'fastcc'.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42934 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 21:30:57 +00:00
Duncan Sands
2e4d675d93 Due to the new tail call optimization, trampolines can no 
longer be created for fastcc functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42925 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 19:37:31 +00:00
Evan Cheng
1c5d83c14e Update. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42922 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 18:22:55 +00:00
Dan Gohman
8ddde0a151 Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42908 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 14:53:36 +00:00
Dan Gohman
f0d0089340 Mark vector ctpop, cttz, and ctlz as Expand on x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42905 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 14:09:42 +00:00
Dan Gohman
a3f269f7f6 Mark vector pow, ctpop, cttz, and ctlz as Expand on PowerPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42904 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 14:08:57 +00:00
Evan Cheng
f4a9c69ff6 Fold load / store into MOV32to32_ and MOV16to16_. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42895 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 08:38:01 +00:00
Evan Cheng
96aaa54529 Flag MOV32to32_ with EXTRACT_SUBREG. They should not be scheduled apart. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42894 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 07:55:53 +00:00
Dan Gohman
f96e4de403 Set ISD::FPOW to Expand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42881 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-11 23:21:31 +00:00
Dale Johannesen
83e105c600 Add missing argument to PALIGNR 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42874 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-11 20:58:37 +00:00
Arnold Schwaighofer
c85e1716f0 Added tail call optimization to the x86 back end. It can be 
enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42870 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-11 19:40:01 +00:00
Chris Lattner
85d0aaa291 Fix CodeGen/Generic/BasicInstrs.llx on sparc by marking divrem 
illegal.  Thanks to gabor for pointing this out!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42832 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-10 18:10:57 +00:00
Dale Johannesen
6eaeff29b8 Next PPC long double bits: ppcf128->i32 conversion. 
Surprisingly complicated.
Adds getTargetNode for 2 outputs, no inputs (missing).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42822 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-10 01:01:31 +00:00
Dan Gohman
6d60cac029 LowerIntegerDivOrRem no longer exists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42787 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 15:45:13 +00:00
Dan Gohman
74f87a63b6 Fix grammar in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42786 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 15:44:37 +00:00
Dan Gohman
5bf88ebab9 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42785 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 15:42:21 +00:00
Evan Cheng
b76143cf8f Under 64-bit mode use LEA64_32r instead of LEA64r to save a byte. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42783 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 07:14:53 +00:00
Bruno Cardoso Lopes
8262df3aa4 Position Independent Code (PIC) support [3] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42780 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 03:15:11 +00:00
Bruno Cardoso Lopes
0a6040063f Position Independent Code (PIC) support [2] 
- Added a function to hold the stack location 
  where GP must be stored during LowerCALL
- AsmPrinter now emits directives based on
  relocation type
- PIC_ set to default relocation type (same as GCC)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42779 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 03:01:19 +00:00
Bruno Cardoso Lopes
e78080c4dc Position Independent Code (PIC) support [1] 
- Modified instruction format to handle pseudo instructions
- Added LoadAddr SDNode to load symbols.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42778 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-09 02:55:31 +00:00
Evan Cheng
3f41d66d75 Bug fix. X86 was emitting redundant setcc and test instructions before a conditional move. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42774 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 22:16:29 +00:00
Dan Gohman
525178cdbf Migrate X86 and ARM from using X86ISD::{,I}DIV and ARMISD::MULHILO{U,S} to 
use ISD::{S,U}DIVREM and ISD::{S,U}MUL_HIO. Move the lowering code
associated with these operators into target-independent in LegalizeDAG.cpp
and TargetLowering.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42762 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 18:33:35 +00:00
Evan Cheng
d47c84c1c9 Allow x86 compare to be commutable by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42761 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 18:27:46 +00:00
Dan Gohman
3ce990dc05 When we start enabling SMUL_LOHI/UMUL_LOHI or SDIVREM/UDIVREM in 
target-indepenent lowering, don't use them on PowerPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 17:28:24 +00:00
Dan Gohman
8e41ed7c4e Simplify getIntPtrType, allowing it to work for arbitrary pointer sizes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42751 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:16:25 +00:00
Chris Lattner
f443ba7f97 disable this entirely: it is causing use of invalidated iterators and infinite looping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 22:00:31 +00:00
Chris Lattner
eac9385f09 Fix many regressions on x86 by avoiding dereferencing the end iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-07 21:53:12 +00:00
Anton Korobeynikov
2508372746 Oops, I really wanted to commit this part also :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 16:39:43 +00:00
Anton Korobeynikov
4f1c33f7c8 Move merge code into new helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 16:17:49 +00:00
Evan Cheng
c231e8c8a5 Added DAG xforms. e.g. 
(vextract (v4f32 s2v (f32 load $addr)), 0) -> (f32 load $addr) 
(vextract (v4i32 bc (v4f32 s2v (f32 load $addr))), 0) -> (i32 load $addr)
Remove x86 specific patterns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42677 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 02:46:29 +00:00
Dale Johannesen
638ccd52b9 Next powerpc long double bits. Comparisons work, 
although not well, and shortening FP converts.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-06 01:24:11 +00:00
Evan Cheng
7ad42d9ec0 Commute x86 cmove instructions by swapping the operands and change the condition 
to its inverse.
Testing this as llcbeta


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42661 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 23:13:21 +00:00
Evan Cheng
57cce6c466 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42656 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 22:34:59 +00:00
Evan Cheng
ecf80ac68a Enable convertToThreeAddress for X86 by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 22:31:10 +00:00
Evan Cheng
b75ed322c4 INC64_32r -> LEA64_32r is better than INC64_32r -> LEA32r, but it still can 
cause performance degradation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42653 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 21:55:32 +00:00
Evan Cheng
559dc46d46 In 64-bit mode, avoid using leal with 32-bit 32-bit address size, e.g. 
leal 1(%ecx), %edi, which requires 67H prefix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 20:34:26 +00:00
Dale Johannesen
161e897b0f First round of ppc long double. call/return and 
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42644 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 20:04:43 +00:00
Evan Cheng
b952d1f5be Add support to convert more 64-bit instructions to 3-address instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42642 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 18:20:36 +00:00
Evan Cheng
3154cb67d1 ADC and SBB uses EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42640 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 17:59:57 +00:00