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7446 Commits

Author SHA1 Message Date
Rafael Espindola
e81abfd30b Spelling and grammar fixes to problems found by Duncan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138858 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 16:43:33 +00:00
Eli Friedman
ac86d43eae Make sure we don't crash when -miphoneos-version-min is specified on x86. Hopefully this will fix gcc testsuite failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138856 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 16:19:51 +00:00
Eric Christopher
c967ad8c88 Rework this conditional a bit. 
Patch by Sanjoy Das


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138853 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 04:17:21 +00:00
Bruno Cardoso Lopes
57d6a5e491 - Move all MOVSS and MOVSD patterns close to their definitions 
- Duplicate some store patterns to their AVX forms!
- Catched a bug while restricting the patterns subtarget, fix it
  and update a testcase to check it properly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138851 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 03:04:20 +00:00
Bruno Cardoso Lopes
fc646a6b06 Remove unnecessary AVX checks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138850 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 03:04:14 +00:00
Bruno Cardoso Lopes
5affa5196f Teach more places to use VMOVAPS,VMOVUPS instead of MOVAPS,MOVUPS, 
whenever AVX is enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138849 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 03:04:09 +00:00
Evan Cheng
0899f5c62d Fix (movhps load) lowering / pattern to match more cases. rdar://10050549 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138848 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 02:05:24 +00:00
Bill Wendling
e716124feb Fix off-by-one error Benjamin noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138832 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 21:23:24 +00:00
Bill Wendling
011a8e1684 Enable compact unwind info by default. This only applies to Darwin when CFI is 
disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138826 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 20:54:11 +00:00
Jeffrey Yasskin
cda2a146d1 Fix C++0x narrowing errors when char is unsigned. 
In the case of EDInstInfo, this would actually cause a bug when -1 became 255
and was then compared >=0 in llvm-mc/Disassembler.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138825 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 20:53:29 +00:00
Rafael Espindola
151ab3e2f7 Adds support for variable sized allocas. For a variable sized alloca, 
code is inserted to first check if the current stacklet has enough
space. If so, space is allocated by simply decrementing the stack
pointer. Otherwise a runtime routine (__morestack_allocate_stack_space
in libgcc) is called which allocates the required memory from the
heap.

Patch by Sanjoy Das.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138818 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 19:47:04 +00:00
Rafael Espindola
d07b7ec772 Adds a SelectionDAG node X86SegAlloca which will be custom lowered 
from DYNAMIC_STACKALLOC.

Two new pseudo instructions (SEG_ALLOCA_32 and SEG_ALLOCA_64) which
will match X86SegAlloca (based on word size) are also added.  They
will be custom emitted to inject the actual stack handling code.

Patch by Sanjoy Das.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138814 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 19:43:21 +00:00
Rafael Espindola
76927d7586 Emit segmented-stack specific code into function prologues for 
X86. Modify the pass added in the previous patch to call this new
code.

This new prologues generated will call a libgcc routine (__morestack)
to allocate more stack space from the heap when required

Patch by Sanjoy Das.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138812 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-30 19:39:58 +00:00
Eli Friedman
f3704769bb Explicitly zero out parts of a vector which are required to be zero by the algorithm in LowerUINT_TO_FP_i32. This only has a substantial effect on the generated code when the input is extracted from a vector register; other ways of loading an i32 do the appropriate zeroing implicitly. Fixes PR10802. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138768 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 21:15:46 +00:00
Bruno Cardoso Lopes
41dfabb0e3 Move non-intruction patterns to a more appropriate place! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138744 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-29 17:51:24 +00:00
Nicolas Geoffray
1c36ba50ac Remove premature previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138725 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 14:52:51 +00:00
Nicolas Geoffray
c98da24bed Encoding of instructions referencing segments has changed. Do what X86MCCodeEmitter does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138723 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-28 13:07:57 +00:00
Benjamin Kramer
2753ae314f Silence GCC warnings and make an array const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138706 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-27 17:36:14 +00:00
Eli Friedman
43f51aeca8 Add support for generating CMPXCHG16B on x86-64 for the cmpxchg IR instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138660 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 21:21:21 +00:00
Craig Topper
8fd13b6de5 Fix disassembling of VCVTSD2SI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138623 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-26 04:49:29 +00:00
Bruno Cardoso Lopes
f1a264232c Do the same as r138461. Mark VZEROALL as clobbering all YMM registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138592 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 22:23:58 +00:00
Bruno Cardoso Lopes
6292eceea0 Add support for AVX 256-bit version of MOVDDUP! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138588 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 21:40:37 +00:00
Bruno Cardoso Lopes
06ef923d14 Make isMOVDDUP mask check more strict and update comments! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138587 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 21:40:34 +00:00
Craig Topper
ebc1db0fac Add more missing TB encodings to VEX instructions to allow them to be disassembled. Fixes remainder of PR10678. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138553 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 08:11:01 +00:00
Craig Topper
ea03659d23 Add TB encoding to VEROALL, VZEROUPPER, and VCVTPS2PD to allow them to be disassembled. Fixes PR10723. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 06:57:46 +00:00
Bruno Cardoso Lopes
07b7f672a0 Add support for 256-bit versions of VSHUFPD and VSHUFPS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 02:58:26 +00:00
Bruno Cardoso Lopes
e7461c0353 Add memory version of SHUFPD to mask decoding! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138545 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 02:58:21 +00:00
Bruno Cardoso Lopes
27831e5e6f Create a section for non-instructions patterns in the beginning of the 
file, and move more code around!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138521 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:11 +00:00
Bruno Cardoso Lopes
9993499057 Move code around! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138520 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:09 +00:00
Bruno Cardoso Lopes
de79231468 Organize UNPCK* patterns, also add remaining for AVX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138519 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:06 +00:00
Bruno Cardoso Lopes
4cf4778ac4 Move remaining MOVDDUP patterns close to MOVDDUP defintion and duplicate 
the missing ones for AVX.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:04 +00:00
Bruno Cardoso Lopes
4724f25ed6 Organize and tidy up MOVDDUP section. Also update comments! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:02 +00:00
Bruno Cardoso Lopes
6140294363 Move MOVHLPS patterns close to MOVHLPS definition, and duplicate the 
pattern for 128-bit AVX mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138516 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:17:59 +00:00
Bruno Cardoso Lopes
954d5eabb7 Move all PSHUF* patterns close to the PSHUF* definitions. Also be 
explicit about which subtarget they refer to, and add AVX versions of
the ones we currently don't. Remove old and now wrong comments!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:17:57 +00:00
Bruno Cardoso Lopes
af002d8405 Move all SHUFP* patterns close to the SHUFP* definitions. Also be 
explicit about which subtarget they refer to, and add AVX versions of
the ones we currently don't. Make the mask check more strict, to be
clear it won't be used to match to 256-bit versions!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138514 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:17:55 +00:00
Eli Friedman
f8f90f0174 Hook up 64-bit atomic load/store on x86-32. I plan to write more efficient implementations eventually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138505 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:33:28 +00:00
Eli Friedman
4317fe1fc6 Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:17:30 +00:00
Eli Friedman
327236cd6c Basic x86 code generation for atomic load and store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138478 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:50:09 +00:00
Bruno Cardoso Lopes
356e988110 Mark VZEROALL as clobbering all YMM registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138461 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:48:33 +00:00
Evan Cheng
3e74d6fdd2 Move TargetRegistry and TargetSelect from Target to Support where they belong. 
These are strictly utilities for registering targets and components.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:08:43 +00:00
Craig Topper
13894fa135 Break 256-bit vector int add/sub/mul into two 128-bit operations to avoid costly scalarization. Fixes PR10711. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138427 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 06:14:18 +00:00
Bruno Cardoso Lopes
d8b7dd5252 Fix a nasty bug where a v4i64 was being wrong emitted with 32-bit 
permutations. Also tidy up some patterns and make them close to their
instruction definition!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138392 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 22:06:37 +00:00
Evan Cheng
7801136b95 Some refactoring so TargetRegistry.h no longer has to include any files 
from MC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138367 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 20:15:21 +00:00
Nick Lewycky
726ebd6ff3 PerformSubCombine to work on integers larger than i128. Fixes a crasher. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138354 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 19:01:24 +00:00
Craig Topper
a534780da0 Add support for breaking 256-bit v16i16 and v32i8 VSETCC into two 128-bit ones, avoiding sclarization. Add vex form of pcmpeqq and pcmpgtq. Fixes more cases for PR10712. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138321 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 04:36:33 +00:00
Bruno Cardoso Lopes
3bde6fe0df Introduce a pass to insert vzeroupper instructions to avoid AVX to 
SSE transition penalty. The pass is enabled through the "x86-use-vzeroupper"
llc command line option. This is only the first step (very naive and
conservative one) to sketch out the idea, but proper DFA is coming next
to allow smarter decisions. Comments and ideas now and in further commits
will be very appreciated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138317 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-23 01:14:17 +00:00
Benjamin Kramer
3c1fece071 X86: Add some operand types required to identify calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138285 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 22:55:32 +00:00
Bruno Cardoso Lopes
2ac8111159 Add support for breaking 256-bit int VETCC into two 128-bit ones, 
avoding scalarization of the compare. Reduces code from 59 to 6
instructions. Fix PR10712.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138271 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 20:31:04 +00:00
Bruno Cardoso Lopes
bde9f1b302 Add 128-bit AVX codegen for PCMP* family of integer instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138270 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-22 20:31:00 +00:00
Bruno Cardoso Lopes
0c9acfcb50 Re-write part of VEX encoding logic, to be more easy to read! Also fix 
a bug and add a testcase!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138123 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 22:27:29 +00:00