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16 Commits

Author SHA1 Message Date
Craig Topper
ced2756280 Recommit r201059 and r201060 with hopefully a fix for its original failure. 
Original commits messages:

Add MRMXr/MRMXm form to X86 for use by instructions which treat the 'reg' field of modrm byte as a don't care value. Will allow for simplification of disassembler code.

Simplify a bunch of code by removing the need for the x86 disassembler table builder to know about extended opcodes. The modrm forms are sufficient to convey the information.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201065 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-10 06:55:41 +00:00
Bob Wilson
70ff3e91f7 Revert r201059 and r201060. 
r201059 appears to cause a crash in a bootstrapped build of clang. Craig
isn't available to look at it right now, so I'm reverting it while he
investigates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201064 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-10 05:28:30 +00:00
Craig Topper
d8fdb19a7f Add MRMXr/MRMXm form to X86 for use by instructions which treat the 'reg' field of modrm byte as a don't care value. Will allow for simplification of disassembler code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201059 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-10 00:50:34 +00:00
Craig Topper
6b6dfa5c5a Merge x86 HasOpSizePrefix/HasOpSize16Prefix into a 2-bit OpSize field with 0 meaning no 0x66 prefix in any mode. Rename Opsize16->OpSize32 and OpSize->OpSize16. The classes now refer to their operand size rather than the mode in which they need a 0x66 prefix. Hopefully can merge REX_W into this as OpSize64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200626 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-02 09:25:09 +00:00
David Woodhouse
a493812047 [x86] Add OpSize16 to instructions that need it 
This fixes the bulk of 16-bit output, and the corresponding test case
x86-16.s now looks mostly like the x86-32.s test case that it was
originally based on. A few irrelevant instructions have been dropped,
and there are still some corner cases to be fixed in subsequent patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198752 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-08 12:57:40 +00:00
Jakob Stoklund Olesen
fea666b540 Annotate X86InstrCMovSetCC.td with SchedRW lists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177459 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-19 23:23:26 +00:00
Craig Topper
c12979aa1c Remove # from the beginning and end of def names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171696 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-07 05:26:58 +00:00
Jia Liu
31d157ae1a Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150878 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-18 12:03:15 +00:00
Andrew Trick
922d314e8f Instruction scheduling itinerary for Intel Atom. 
Adds an instruction itinerary to all x86 instructions, giving each a default latency of 1, using the InstrItinClass IIC_DEFAULT.

Sets specific latencies for Atom for the instructions in files X86InstrCMovSetCC.td, X86InstrArithmetic.td, X86InstrControl.td, and X86InstrShiftRotate.td. The Atom latencies for the remainder of the x86 instructions will be set in subsequent patches.

Adds a test to verify that the scheduler is working.

Also changes the scheduling preference to "Hybrid" for i386 Atom, while leaving x86_64 as ILP.

Patch by Preston Gurd!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149558 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-01 23:20:51 +00:00
Chris Lattner
6dbbff9172 Move cmov pseudo instructions to InstrCompiler, 
convert all the rest of the cmovs to the multiclass,
with good results:

 X86InstrCMovSetCC.td |  598 +--------------------------------------------------
 X86InstrCompiler.td  |   61 +++++
 2 files changed, 77 insertions(+), 582 deletions(-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 23:09:10 +00:00
Chris Lattner
25cbf504fe Use #NAME# to have the CMOV multiclass define things with the same names as before 
(e.g. CMOVBE16rr instead of CMOVBErr16).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115705 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 23:00:14 +00:00
Chris Lattner
d350e4757e switch CMOVBE to the multipattern: 
21 insertions(+), 53 deletions(-)

Moar change coming before I switch the rest.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115697 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 22:23:58 +00:00
Chris Lattner
b484213d1b add a multiclass for cmov's, but don't start using it yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 22:01:02 +00:00
Chris Lattner
d244699067 use a multipattern to define setcc instructions: 
X86InstrCMovSetCC.td |  200 ++++++---------------------------------------------
 1 file changed, 27 insertions(+), 173 deletions(-)




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115689 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 21:34:29 +00:00
Chris Lattner
2c383d8c4d move SETB pseudos into the same place in InstrCompiler.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115686 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 21:18:04 +00:00
Chris Lattner
35649fc3dd split conditional moves and setcc's out to their own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-05 06:33:16 +00:00