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487 Commits

Author SHA1 Message Date
Evan Cheng
9f23724d53 Stupid cut-n-paste bug caused me soooo much grief. Why wasn't there a compilation warning? I blame it on the FE folks. 
llvm-svn: 37484
 2007-06-07 01:37:54 +00:00
Evan Cheng
7b433a2954 Mark these instructions clobbersPred. They modify the condition code register. 
llvm-svn: 37468
 2007-06-06 10:17:05 +00:00
Evan Cheng
886c1f49ca Print predicate of the second instruction of the two-piece constant MI. 
llvm-svn: 37437
 2007-06-05 18:55:18 +00:00
Evan Cheng
820e352652 PIC label asm printing cosmetic changes. 
llvm-svn: 37434
 2007-06-05 07:36:38 +00:00
Chris Lattner
8a38eebb69 update this entry, now that Anton implemented shift/and lowering for 
switches.  There is one really easy isel thing here with tst we are not
getting.

llvm-svn: 37400
 2007-06-02 18:45:14 +00:00
Evan Cheng
8a52b80cdf Opcode modifier s comes after condition code. e.g. addlts, not addslt. 
llvm-svn: 37388
 2007-06-01 20:51:29 +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
c2fec89f4a Make jumptable non-predicable for now. 
llvm-svn: 37381
 2007-06-01 00:56:15 +00:00
Chris Lattner
72e07238ba Fix the asmprinter so that a globalvalue can specify an explicit alignment 
smaller than the preferred alignment, but so that the target can actually
specify a minimum alignment if needed.  This fixes some objc protocol
failures Devang tracked down.

llvm-svn: 37373
 2007-05-31 18:57:45 +00:00
Evan Cheng
3672d15956 For VFP2 fldm, fstm instructions, the condition code is printed after the address mode and size specifier. e.g. fstmiaseq, not fstmeqias. 
llvm-svn: 37351
 2007-05-29 23:34:19 +00:00
Evan Cheng
5df14b3451 For ldrb, strh, etc., the condition code is before the width specifier. e.g. streqh, not strheq. 
llvm-svn: 37349
 2007-05-29 23:32:06 +00:00
Evan Cheng
ff31eed2be Add missing const qualifiers. 
llvm-svn: 37342
 2007-05-29 18:42:18 +00:00
Evan Cheng
80122ab529 Hooks for predication support. 
llvm-svn: 37308
 2007-05-23 07:22:05 +00:00
Evan Cheng
f448047ec2 Fix some -march=thumb regressions. tBR_JTr is not predicable. 
llvm-svn: 37272
 2007-05-21 23:17:32 +00:00
Dale Johannesen
f01566b705 Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic. 
llvm-svn: 37271
 2007-05-21 22:42:04 +00:00
Dale Johannesen
8f484d16b0 Add some patterns for PIC PC-relative loads and stores. 
llvm-svn: 37269
 2007-05-21 22:14:33 +00:00
Evan Cheng
d173398eee BlockHasNoFallThrough() now returns true if block ends with a return instruction; AnalyzeBranch() should ignore predicated instructionsd. 
llvm-svn: 37268
 2007-05-21 18:56:31 +00:00
Evan Cheng
e875732104 Mark calls non-predicable for now. Need to ensure it's the last instruction in the if-converted block or make sure it preserve condition code. 
llvm-svn: 37199
 2007-05-18 01:53:54 +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
Evan Cheng
90b0ff05f6 RemoveBranch() and InsertBranch() now returns number of instructions deleted / inserted. 
llvm-svn: 37193
 2007-05-18 00:18:17 +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
Evan Cheng
b09bf9914f ARM::tB is also predicable. 
llvm-svn: 37125
 2007-05-16 21:53:43 +00:00
Evan Cheng
973f4a19cb PredicateInstruction returns true if the operation was successful. 
llvm-svn: 37124
 2007-05-16 21:53:07 +00:00
Evan Cheng
48f230dcb0 Move if-conversion after all passes that may use register scavenger. 
llvm-svn: 37120
 2007-05-16 20:52:46 +00:00
Evan Cheng
f7a017dfa7 Removed isPredicable(). 
llvm-svn: 37119
 2007-05-16 20:50:23 +00:00
Evan Cheng
d3f1a259db Make ARM::B isPredicable; Make Bcc and MOVCC condition option a normal operand so they are not predicable. 
llvm-svn: 37118
 2007-05-16 20:50:01 +00:00
Evan Cheng
6943cefdcd Conditional branch is not a barrier. 
llvm-svn: 37103
 2007-05-16 07:45:54 +00:00
Evan Cheng
c149ee9f00 Fix comment. 
llvm-svn: 37098
 2007-05-16 05:14:06 +00:00
Evan Cheng
34928ae31f Hooks for predication support. 
llvm-svn: 37093
 2007-05-16 02:01:49 +00:00
Evan Cheng
9f0ffdf4b3 Add PredicateOperand to all ARM instructions that have the condition field. 
llvm-svn: 37066
 2007-05-15 01:29:07 +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
Lauro Ramos Venancio
c6d71fb584 Enable aliases on arm-linux. 
llvm-svn: 37042
 2007-05-14 18:32:56 +00:00
Evan Cheng
73abcaa525 Switch BCC, MOVCCr, etc. to PredicateOperand. 
llvm-svn: 36948
 2007-05-08 21:08:43 +00:00
Lauro Ramos Venancio
4f648c68cd Fix PR1390 in a better way. 
llvm-svn: 36916
 2007-05-07 23:15:16 +00:00
Evan Cheng
a949d165ee This is no longer needed after enabling the DAG combiner xform. 
llvm-svn: 36909
 2007-05-07 21:29:41 +00:00
Lauro Ramos Venancio
236cf4a51b Fix PR1390. 
Don't spill extra register to align the stack.

llvm-svn: 36814
 2007-05-05 23:44:41 +00:00
Lauro Ramos Venancio
4e4a4e36dd Add a processor. 
llvm-svn: 36765
 2007-05-04 22:16:30 +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
Evan Cheng
8e5e87a16b Should never see an indexed load / store with zero offset. 
llvm-svn: 36714
 2007-05-03 23:30:36 +00:00
Dale Johannesen
d28d0bac2a Evan's patch to avoid FPreg->intreg copy for cvt; store to mem 
llvm-svn: 36693
 2007-05-03 20:54:42 +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
Chris Lattner
5d81bf937b add support for printing offset from global 
llvm-svn: 36669
 2007-05-03 16:42:23 +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
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Chris Lattner
844e3a4191 match a reassociated form of fnmul. This implements CodeGen/ARM/fnmul.ll 
llvm-svn: 36660
 2007-05-03 00:32:00 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Dale Johannesen
2a293b718e Add some support for (Darwin) code-generating directives in getInlineAsmLength. 
Support is incomplete, but more accurate than gcc's.

llvm-svn: 36634
 2007-05-02 01:02:40 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00