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58 Commits

Author SHA1 Message Date
Evan Cheng
5da7b6f0fc Be more conservative of duplicating blocks. 
llvm-svn: 37669
 2007-06-19 23:55:02 +00:00
Evan Cheng
c49382e48f Allow predicated immediate ARM to ARM calls. 
llvm-svn: 37659
 2007-06-19 21:05:09 +00:00
Evan Cheng
8589b95a33 Set ARM ifcvt duplication limit to 3 for now. 
llvm-svn: 37385
 2007-06-01 08:28:59 +00:00
Evan Cheng
03349b0344 Silence some compilation warnings. 
llvm-svn: 37197
 2007-05-18 01:19:57 +00:00
Evan Cheng
2fc338fac1 Set ARM if-conversion block size threshold to 10 instructions for now. 
llvm-svn: 37194
 2007-05-18 00:19:34 +00:00
Dale Johannesen
f66c6b85f1 More effective breakdown of memcpy into repeated load/store. These are now 
in the order lod;lod;lod;sto;sto;sto which means the load-store optimizer
has a better chance of producing ldm/stm.  Ideally you would get cooperation
from the RA as well but this is not there yet.

llvm-svn: 37179
 2007-05-17 21:31:21 +00:00
Lauro Ramos Venancio
c9c5da3939 Fix previous patch. GOTOFF can be used only when the symbol has internal 
linkage or hidden visibility.

llvm-svn: 37055
 2007-05-14 23:20:21 +00:00
Lauro Ramos Venancio
3ff817509f Optimize PIC implementation. GOTOFF can be used when the symbol is defined 
and used in the same module.

llvm-svn: 37044
 2007-05-14 18:46:23 +00:00
Evan Cheng
658a4fc56f On Mac OS X, GV requires an extra load only when relocation-model is non-static. 
llvm-svn: 36718
 2007-05-04 00:26:58 +00:00
Lauro Ramos Venancio
1d84c031a0 Debug support for arm-linux. 
Patch by Raul Herbster.

llvm-svn: 36690
 2007-05-03 20:28:35 +00:00
Evan Cheng
550881463d Typo. It's checking if V is multiple of 4, not multiple of 3. :-) 
llvm-svn: 36663
 2007-05-03 02:00:18 +00:00
Lauro Ramos Venancio
f385b56870 ARM TLS: implement "general dynamic", "initial exec" and "local exec" models. 
llvm-svn: 36506
 2007-04-27 13:54:47 +00:00
Evan Cheng
a1593a9ec6 Darwin runtime library does not have these. 
llvm-svn: 36505
 2007-04-27 08:15:43 +00:00
Lauro Ramos Venancio
f8b49e5ee0 Implement PIC for arm-linux. 
llvm-svn: 36324
 2007-04-22 00:04:12 +00:00
Chris Lattner
e7cab7b7a4 arm has r+r*s and r+i addr modes, but no r+i+r*s addr modes. 
llvm-svn: 35962
 2007-04-13 06:50:55 +00:00
Chris Lattner
e9a9a3f172 Fix incorrect fall-throughs in addr mode code. This fixes CodeGen/ARM/arm-negative-stride.ll 
llvm-svn: 35909
 2007-04-11 16:17:12 +00:00
Chris Lattner
3bbd376057 restore support for negative strides 
llvm-svn: 35859
 2007-04-10 03:48:29 +00:00
Chris Lattner
98199016ae remove dead target hooks 
llvm-svn: 35846
 2007-04-09 23:33:39 +00:00
Chris Lattner
ae6e2c0ee5 remove some dead target hooks, subsumed by isLegalAddressingMode 
llvm-svn: 35840
 2007-04-09 22:27:04 +00:00
Evan Cheng
d5956e4409 Typo. 
llvm-svn: 35639
 2007-04-04 00:06:07 +00:00
Chris Lattner
4d702a890c Arm supports negative strides as well, add them. This lets us compile: 
CodeGen/ARM/arm-negative-stride.ll to:

LBB1_2: @bb
        str r1, [r3, -r0, lsl #2]
        add r0, r0, #1
        cmp r0, r2
        bne LBB1_2      @bb

llvm-svn: 35609
 2007-04-03 00:13:57 +00:00
Chris Lattner
726d461daf fix the CodeGen/ARM/2007-03-13-InstrSched.ll regression: allow IV's with scales 
to be folded into non-store instructions.

llvm-svn: 35601
 2007-04-02 18:51:18 +00:00
Chris Lattner
ff9caac83e add support for the 'w' inline asm register class. 
llvm-svn: 35598
 2007-04-02 17:24:08 +00:00
Lauro Ramos Venancio
7e21418680 - Divides the comparisons in two types: comparisons that only use N and Z 
flags (ARMISD::CMPNZ) and comparisons that use all flags (ARMISD::CMP).
- Defines the instructions: TST, TEQ (ARM) and TST (Thumb).

llvm-svn: 35573
 2007-04-02 01:30:03 +00:00
Evan Cheng
949a34fbad Add i16 address mode. 
llvm-svn: 35551
 2007-04-01 08:06:46 +00:00
Chris Lattner
c0405a348d implement the new addressing mode description hook. 
llvm-svn: 35521
 2007-03-30 23:15:24 +00:00
Evan Cheng
a55449c051 Remove isLegalAddressImmediate. 
llvm-svn: 35406
 2007-03-28 01:53:55 +00:00
Lauro Ramos Venancio
8b2e32de5a bugfix: sometimes the spiller puts a load between the "mov lr, pc" and "bx" of a CALL_NOLINK. 
llvm-svn: 35381
 2007-03-27 16:19:21 +00:00
Chris Lattner
b19069959d switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.

llvm-svn: 35322
 2007-03-25 02:14:49 +00:00
Dale Johannesen
44c0a5d545 repair x86 performance, dejagnu problems from previous change 
llvm-svn: 35245
 2007-03-21 21:51:52 +00:00
Dale Johannesen
3e422e3b49 do not share old induction variables when this would result in invalid 
instructions (that would have to be split later)

llvm-svn: 35227
 2007-03-20 21:54:54 +00:00
Lauro Ramos Venancio
11d7d3fcaf bugfix: When the source register of CALL_NOLINK was LR, the following code was emitted: 
mov lr, pc
    bx lr
So, the function was not called.

llvm-svn: 35218
 2007-03-20 17:57:23 +00:00
Chris Lattner
1ed603c0d9 fix indentation 
llvm-svn: 35202
 2007-03-20 02:25:53 +00:00
Evan Cheng
8d374caead Fix naming inconsistencies. 
llvm-svn: 35163
 2007-03-19 07:48:02 +00:00
Lauro Ramos Venancio
f756184c5e Only ARMv6 has BSWAP. 
Fix MultiSource/Applications/aha test.

llvm-svn: 35128
 2007-03-16 22:54:16 +00:00
Evan Cheng
4858c6f781 Added isLegalAddressExpression(). Only allows X +/- C for now. 
llvm-svn: 35122
 2007-03-16 08:43:56 +00:00
Evan Cheng
7b24b3e474 Zero is always a legal AM immediate. 
llvm-svn: 35087
 2007-03-13 20:37:59 +00:00
Evan Cheng
7767159f08 Updated TargetLowering LSR addressing mode hooks for ARM and Thumb. 
llvm-svn: 35075
 2007-03-12 23:30:29 +00:00
Evan Cheng
6445ce2423 Fix a typo. 
llvm-svn: 35030
 2007-03-08 21:59:30 +00:00
Anton Korobeynikov
85d6c1ebad Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.

llvm-svn: 35008
 2007-03-07 16:25:09 +00:00
Anton Korobeynikov
6da6c8c48b Use new SDIselParamAttr enumeration. This removes "magick" constants 
from formal attributes' flags processing.

llvm-svn: 34963
 2007-03-06 08:12:33 +00:00
Lauro Ramos Venancio
7c2f17b629 Fix stack alignment in functions with varargs. 
llvm-svn: 34532
 2007-02-23 20:32:57 +00:00
Jim Laskey
b57ee1fc37 Simplify lowering and selection of exception ops. 
llvm-svn: 34488
 2007-02-22 14:56:36 +00:00
Jim Laskey
6a937ad320 Support to provide exception and selector registers. 
llvm-svn: 34482
 2007-02-21 22:54:50 +00:00
Lauro Ramos Venancio
02ba8f20e3 According to ARM EABI, 8-bytes function arguments must be 8-bytes aligned. 
llvm-svn: 34241
 2007-02-13 14:07:13 +00:00
Evan Cheng
ece3d334c2 Fix comments. 
llvm-svn: 33831
 2007-02-03 08:53:01 +00:00
Evan Cheng
689b0a4a62 Fix a bug in getARMCMP (which translate CondCode to ARM specific CC) when the RHS is a constant. 
llvm-svn: 33775
 2007-02-02 01:53:26 +00:00
Evan Cheng
73975a6076 Thumb does not have clz. 
llvm-svn: 33773
 2007-02-01 23:34:03 +00:00
Evan Cheng
608ad034b0 Specify the right CC for comparison libcalls. 
llvm-svn: 33702
 2007-01-31 09:30:58 +00:00
Evan Cheng
e5f5439313 Observe -soft-float. 
llvm-svn: 33699
 2007-01-31 08:40:13 +00:00