Akira Hatanaka
99a2e98edd
Add pass that expands pseudo instructions into target instructions after register allocation. Define pseudos that get expanded into mtc1 or mfc1 instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129594 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 19:52:08 +00:00
Evan Cheng
b6a638898a
Increase SubtargetFeatureKV Value and Implies fields to 64 bits since some targets are getting very close to 32 subtarget features. Also teach tablegen to error when there are more than 64 features to guard against undefined behavior. rdar://9282332
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129590 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 19:35:46 +00:00
Rafael Espindola
f0adba9a7e
Add 129518 back with a fix for when we are producing eh just because of debug info.
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Change ELF systems to use CFI for producing the EH tables. This reduces the
size of the clang binary in Debug builds from 690MB to 679MB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129571 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 15:11:06 +00:00
Chris Lattner
7a2bdde0a0
Fix a ton of comment typos found by codespell. Patch by
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Luis Felipe Strano Moraes!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129558 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 05:18:47 +00:00
NAKAMURA Takumi
bcb8c6d09e
Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This reduces the"
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It broke several builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 03:35:57 +00:00
Evan Cheng
9eec66e604
Fix another fcopysign lowering bug. If src is f64 and destination is f32, don't
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forget to right shift the source by 32 first. rdar://9287902
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129556 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 01:31:00 +00:00
Johnny Chen
188ce9c78b
For t2BFI, both Inst{26} and Inst{5} "should" be 0.
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Ref: I.1 Instruction encoding diagrams and pseudocode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129552 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 00:35:08 +00:00
Michael J. Spencer
4babeeeeed
Add 3DNow! intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129551 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 00:32:41 +00:00
Johnny Chen
de29a52940
The ARM disassembler did not handle the alignment correctly for VLD*DUP* instructions
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(single element or n-element structure to all lanes).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129550 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15 00:10:45 +00:00
Evan Cheng
06b2a60ef9
Follow up on r127913. Fix Thumb revsh isel. rdar://9286766
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129548 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 23:27:44 +00:00
Johnny Chen
cd695fdac1
Add sanity checkings for Thumb2 Load/Store Register Exclusive family of operations.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129531 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 19:13:28 +00:00
Chris Lattner
b8295f7a0e
move PR9661 out to here.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129527 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 18:47:18 +00:00
Rafael Espindola
3dae6e7333
Change ELF systems to use CFI for producing the EH tables. This reduces the
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size of the clang binary in Debug builds from 690MB to 679MB.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129518 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 15:18:53 +00:00
Michael J. Spencer
9a0bac41b3
Fix whitespace and tabs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129517 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 14:33:36 +00:00
Chris Lattner
df2ef9015f
add a minor missed dag combine that is blocking mid-level optimization
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improvements, that will lead to fixing PR6627.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129504 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 04:21:42 +00:00
Bill Wendling
d336de318e
As Dan pointed out, movzbl, movsbl, and friends are nicer than their alias
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(movzx/movsx) because they give more information. Revert that part of the patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129498 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 01:46:37 +00:00
Bill Wendling
c6df9883da
Have the X86 back-end emit the alias instead of what's being aliased. In most
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cases, it's much nicer and more informative reading the alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129497 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-14 01:11:51 +00:00
Bill Wendling
eef965f04b
Add an option to not print the alias of an instruction. It defaults to "print
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the alias".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129485 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 23:36:21 +00:00
Johnny Chen
e8d087ad35
Thumb disassembler did not handle tBRIND (indirect branch) properly.
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rdar://problem/9280370
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129480 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 21:59:01 +00:00
Johnny Chen
6c7e4147dc
Check for unallocated instruction encodings when disassembling Thumb Branch instructions (tBcc and t2Bcc).
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rdar://problem/9280470
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129471 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 21:35:49 +00:00
Johnny Chen
471d73d5d3
The LDR*T/STR*T (unpriviledged load/store) operations don't take SP or PC as Rt.
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rdar://problem/9279440
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129469 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 21:04:32 +00:00
Cameron Zwarich
5af60ce2a8
Fix a typo in an ARM-specific DAG combine. This fixes <rdar://problem/9278274>.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129468 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 21:01:19 +00:00
Cameron Zwarich
1335022e19
Fix a regression caused by r102515 where explicit alignment on globals is
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ignored. There was a test to catch this, but it was just blindly updated in
a large change. This fixes another part of <rdar://problem/9275290>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129466 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 20:36:04 +00:00
Johnny Chen
9bb386a933
Check the corner cases for t2LDRSHi12 correctly and mark invalid encodings as such.
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rdar://problem/9276651
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129462 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 19:46:05 +00:00
Johnny Chen
119af20c7b
Fix a bug where for t2MOVCCi disassembly, the TIED_TO register operand was not properly handled.
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rdar://problem/9276427
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129456 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 17:51:02 +00:00
Johnny Chen
6e3ccc3c85
Forgot to add this change for http://llvm.org/viewvc/llvm-project?view=rev&revision=129387 .
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 16:56:08 +00:00
Cameron Zwarich
eb04a33dc7
Fix an obvious problem with an alignment computation. AsmPrinter actually does
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the max itself, so it is not easy to write a test case for this, but I added a
test case that would fail if the code in AsmPrinter were removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129432 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 09:02:43 +00:00
Cameron Zwarich
5876db7a66
Fix a typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129429 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 06:39:16 +00:00
Cameron Zwarich
d8b88d8558
If a global variable has a specified alignment that is less than the preferred
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alignment for its type, use the minimum of the specified alignment and the ABI
alignment. This fixes <rdar://problem/9275290>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129428 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 06:03:16 +00:00
Bill Wendling
f93f7b2446
Reapply r129401 with patch for clang.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129419 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-13 00:36:11 +00:00
Johnny Chen
55e6419b12
Add sanity check for Ld/St Dual forms of Thumb2 instructions.
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rdar://problem/9273947
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129411 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 23:31:00 +00:00
Jakob Stoklund Olesen
836a7de159
Add @earlyclobber constraints to the writeback register of all ARM store instructions.
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The ARMARM specifies these instructions as unpredictable when storing the
writeback register. This shouldn't affect code generation much since storing a
pointer to itself is quite rare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 23:27:48 +00:00
Bill Wendling
f9b2dc66c8
Revert r129401 for now. Clang is using the old way of doing things.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129403 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 22:59:27 +00:00
Bill Wendling
d5f323d70b
Remove the unaligned load intrinsics in favor of using native unaligned loads.
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Now that we have a first-class way to represent unaligned loads, the unaligned
load intrinsics are superfluous.
First part of <rdar://problem/8460511>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 22:46:31 +00:00
Johnny Chen
ec51a6225c
The Thumb2 RFE instructions need to have their second halfword fully specified.
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In addition, the base register is not rGPR, but GPR with th exception that:
if n == 15 then UNPREDICTABLE
rdar://problem/9273836
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129391 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 21:41:51 +00:00
Johnny Chen
32cefad4b3
Add bad register checks for Thumb2 Ld/St instructions.
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rdar://problem/9269047
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129387 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 21:17:51 +00:00
Johnny Chen
f9ce2cba42
The Thumb2 Ld, St, and Preload instructions with the i12 forms should have its Inst{23}
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be specified as '1' (add = TRUE).
Also add a utility function for Thumb2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 18:48:00 +00:00
Johnny Chen
49fdfe3ce5
Print out a debug message when the reglist fails the sanity check for Thumb Ld/St Multiple.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 17:09:04 +00:00
Cameron Zwarich
d0aacbcc2e
Split a store of a VMOVDRR into two integer stores to avoid mixing NEON and ARM
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stores of arguments in the same cache line. This fixes the second half of
<rdar://problem/8674845>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129345 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 02:24:17 +00:00
Johnny Chen
e77f72d7d2
A8.6.16 B
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Encoding T1 (tBcc)
if cond == '1110' then UNDEFINED;
rdar://problem/9268681
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129325 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-12 00:14:49 +00:00
Johnny Chen
de16508955
Thumb disassembler was erroneously rejecting "blx sp" instruction.
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rdar://problem/9267838
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129320 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 23:33:30 +00:00
Wesley Peck
ef9d9fdde1
Fix an error in the MBlaze delay slot filler.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129313 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 22:45:02 +00:00
Wesley Peck
3d820baf19
Add scheduling information for the MBlaze backend.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129311 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 22:31:52 +00:00
Wesley Peck
e53060fdf4
Don't crash on invalid instructions when disassembling MBlaze code.
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This fixes http://llvm.org/bugs/show_bug.cgi?id=9653
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129303 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 21:35:21 +00:00
Johnny Chen
35563fee7b
Fix the bug where the immediate shift amount for Thumb logical shift instructions are incorrectly disassembled.
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rdar://problem/9266265
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129298 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 21:14:35 +00:00
Owen Anderson
78a546936d
Fix another using-CPSR-twice bug in my ADCS/SBCS cleanups, and make proper use of the Commutable bit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129294 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 20:12:19 +00:00
Johnny Chen
f18dfc3a31
Trivial comment fix.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129288 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 18:51:50 +00:00
Johnny Chen
e679d3331b
Check invalid register encodings for LdFrm/StFrm ARM instructions and flag them as
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invalid instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129286 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 18:34:12 +00:00
Kevin Enderby
bd3327654b
Adding support for printing operands symbolically to llvm's public 'C'
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disassembler API. Hooked this up to the ARM target so such tools as Darwin's
otool(1) can now print things like branch targets for example this:
blx _puts
instead of this:
blx #-36
And even print the expression encoded in the Mach-O relocation entried for
things like this:
movt r0, :upper16:((_foo-_bar)+1234)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 18:08:50 +00:00
Jay Foad
562b84b3ae
Don't include Operator.h from InstrTypes.h.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129271 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-11 09:35:34 +00:00