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17404 Commits

Author SHA1 Message Date
Bob Wilson
a1f544b62e Use PairDRegs to implement ConcatVectors. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-17 01:21:08 +00:00
Rafael Espindola
3ee33aa6f9 Make pushq produce signed relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122005 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 22:50:01 +00:00
Wesley Peck
8a28f21379 Fix MBlaze backend call instructions so that arguments passed through registers 
are correctly marked as used. This removes a hack where the call instructions
marked all possible argument registers as used in the tablegen description.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 19:41:31 +00:00
Jim Grosbach
3efad8fad4 Pseudo-ize the Thumb1 tBfar pattern. rdar://8777974 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121990 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 19:11:16 +00:00
Daniel Dunbar
5d05d9769e MC/Mach-O: Lift some MachObjectWriter arguments into the target specific 
interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 17:21:02 +00:00
Daniel Dunbar
ae5abd595f MC/Mach-O: Stub out explicit MCMachObjectTargetWriter interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 16:09:19 +00:00
Daniel Dunbar
297ed28bf9 Fix indentation (per style guide). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121972 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 16:08:43 +00:00
Daniel Dunbar
aa4b7dd13b MC/Mach-O: Move createMachObjectWriter into MCMachObjectWriter.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 16:08:33 +00:00
Daniel Dunbar
2761fc4270 MC: Move target specific fixup info descriptors to TargetAsmBackend instead of 
the MCCodeEmitter, which seems like a better organization.
 - Also, cleaned up some magic constants while in the area.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121953 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 03:20:06 +00:00
Daniel Dunbar
745dacc91d MC: Make TargetAsmBackend available to the AsmStreamer. 
- Treaty talks on the non-proliferation of MC objects broke down.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121949 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 03:05:59 +00:00
Matt Beaumont-Gay
656b3d22f7 Delete an extra "Imm5 = ", caught by GCC's -Wsequence-point but not by Clang 
(see PR4579).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121939 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 01:34:26 +00:00
Bill Wendling
6baf46dbea Remove fixup_arm_thumb_ldst. The code was never calling the "fixup" stuff for 
it. I.e., it was always an immediate value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121932 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 00:50:33 +00:00
Bill Wendling
5a54516adf Add tSpill and tRestore to the opcodes to replace with tSTRi and tLDRi 
respectively.

It may be a bug that these opcodes are getting this far into machine code
generation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121931 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 00:49:54 +00:00
Bill Wendling
dedec2b89d Add encodings for Thumb1 Spill and Restore pseudos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121929 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-16 00:38:41 +00:00
Jim Grosbach
3e333637f1 Thumb1 had two patterns for the same load-from-constant-pool instruction. 
Canonicalize on tLDRpci and remove tLDRcp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 23:52:36 +00:00
Eric Christopher
836c6245ad Don't handle -arm-long-calls in fast isel for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 23:47:29 +00:00
Bill Wendling
7a905a82f7 If we're changing the frame register to a physical register other than SP, we 
need to use tLDRi and tSTRi instead of tLDRspi and tSTRspi respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 23:32:27 +00:00
Bill Wendling
dc3813750e Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 23:31:24 +00:00
Evan Cheng
f735f2da6e Only rr forms of ADD*_DB are commutable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121908 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 22:57:36 +00:00
Bob Wilson
0406356cd4 Add Neon VCVT instructions for f32 <-> f16 conversions. 
Clang is now providing intrinsics for these and so we need to support them
in the backend.  Radar 8068427.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121902 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 22:14:12 +00:00
Wesley Peck
dc9d87a9bb Lower the MBlaze target specific calling conventions for "interrupt_handler" 
and "save_volatiles" correctly. This completes the custom calling convention
functionality changes for the MBlaze backend that were started in 121888.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121891 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 20:27:28 +00:00
Wesley Peck
d5f4bc2c33 Add some special purpose register definitions to the MBlaze backend and cleanup some old, unused floating point register definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121882 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 19:35:36 +00:00
Jim Grosbach
d481110ef7 Tweak a few pseudo-inst pattern base classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121878 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 19:03:16 +00:00
Jim Grosbach
41b1d4e472 The new t2LEApcrel* pseudo instructions need the size specified. 
rdar://8768390

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 18:48:45 +00:00
Owen Anderson
47dbd429da Implement cleanups suggested by Daniel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 18:48:27 +00:00
Bill Wendling
22447ae54b Add fixups for Thumb LDR/STR instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 08:51:02 +00:00
Chris Lattner
9448184b99 add another overflow idiom 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 07:28:58 +00:00
Chris Lattner
08859ffa63 add a note about overflow idiom recognition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 07:25:55 +00:00
Chris Lattner
ef17f08dbc add a shift/imul missed optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121850 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 07:10:43 +00:00
Chris Lattner
2fc36e19b1 add a note about a SPEC hack that gcc mainline does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121849 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 06:38:24 +00:00
Bill Wendling
bc4224bc6b Reapply r121808 now that the missing patterns have been supplied. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 01:03:19 +00:00
Bill Wendling
415af3452e Add some missing patterns now that tLDRB and tLDRH are split into reg and 
immediate versions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 00:58:57 +00:00
Bill Wendling
7d1d8db54a Revert r121808 until I can fix the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-15 00:04:00 +00:00
Jim Grosbach
9d04dc52a5 thumb adr fixup needs alignment just like the t2 version. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 23:47:35 +00:00
Bill Wendling
345cdb6475 Comments and cleaning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 23:42:48 +00:00
Bill Wendling
2af0fd3fee Make the ISel selections for LDR/STR the same as before the LDRr/LDRi split. In 
particular, we want

   ldr r2, [r3]

to be equivalent to

   ldr r2, [r3, #0]

and not

   ldr r2, [r3, r0]



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 23:40:49 +00:00
Jim Grosbach
d40963c406 Add support for MC-ized encoding of tLEApcrel and tLEApcrelJT. rdar://8755755 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 22:28:03 +00:00
Bill Wendling
ee2b350d83 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121797 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 22:26:49 +00:00
Bill Wendling
b6faf65215 Multiclassify the LDR/STR encoding patterns. The only functionality difference 
is the addition of the FoldableAsLoad & Rematerializable flags to some of the
load instructions. ARM has these flags set for them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121794 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 22:10:49 +00:00
Jim Grosbach
8d6d7d6e30 trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121792 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 21:28:29 +00:00
Jim Grosbach
40edf73a62 Refactor a bit for legibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121790 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 21:10:47 +00:00
Jim Grosbach
00f25fa43e trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 20:46:39 +00:00
Jim Grosbach
eb61272150 Make sure to propagate the predicate operands for LEApcrel to ADR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 20:45:47 +00:00
Owen Anderson
86abd48fd0 Fix a small bug (typo?) in the fixup for Thumb1 CBZ/CBNZ instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 19:42:53 +00:00
Jakob Stoklund Olesen
414e5023f8 Add TargetRegisterInfo::printReg() to pretty-print registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121780 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 18:53:39 +00:00
Daniel Dunbar
abfbac52df MC/ARM: Fix-up fixup offset for fixup_arm_branch target specific fixup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121772 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 17:37:16 +00:00
Jim Grosbach
e8eb1ea6ac Trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121769 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 16:25:15 +00:00
Bill Wendling
971321bb70 Use the integer scheduling intrinsic for integer loads and stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121765 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 12:33:05 +00:00
Bill Wendling
f4caf69720 The tLDR et al instructions were emitting either a reg/reg or reg/imm 
instruction based on the t_addrmode_s# mode and what it returned. There is some
obvious badness to this. In particular, it's hard to do MC-encoding when the
instruction may change out from underneath you after the t_addrmode_s# variable
is finally resolved.

The solution is to revert a long-ago change that merged the reg/reg and reg/imm
versions. There is the addition of several new addressing modes. They no longer
have extraneous operands associated with them. I.e., if it's reg/reg we don't
have to have a dummy zero immediate tacked on to the SDNode.

There are some obvious cleanups here, which will happen shortly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 03:36:38 +00:00
Evan Cheng
0c1aec1891 bfi A, (and B, C1), C2) -> bfi A, B, C2 iff C1 & C2 == C1. rdar://8458663 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-14 03:22:07 +00:00