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8 Commits

Author SHA1 Message Date
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
Pete Cooper
cbe35f2147 Changed test to check for correct load size instead of shift as the shift might change if optimised 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143116 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-27 18:15:58 +00:00
Nadav Rotem
8fb06b3e8f Enable element promotion type legalization by deafault. 
Changed tests which assumed that vectors are legalized by widening them.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142152 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-16 20:31:33 +00:00
Chris Lattner
6f948be128 now that generic vector types aren't selected onto MMX registers, these 
tests don't need -disable-mmx.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122188 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-19 20:12:58 +00:00
Dan Gohman
6e8fd90602 Change TargetData's algorithm for computing defualt vector type 
alignment to match what's used in clang and GCC for __alignof, rather
than trying to guess what Legalize is going to be doing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-23 19:41:15 +00:00
Jakob Stoklund Olesen
bfcd61b907 Enable -sse-domain-fix by default. Now with tests! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99954 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-30 22:47:00 +00:00
Mon P Wang
c1e5d491a0 Fixed a widening bug where we were not using the correct size for the load 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 01:19:52 +00:00
Mon P Wang
eb38ebf15c Improved widening loads by adding support for wider loads if 
the alignment allows.  Fixed a bug where we didn't use a
vector load/store for PR5626.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-24 00:05:03 +00:00