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8 Commits

Author SHA1 Message Date
Jim Grosbach
5eabdf2601 ARM: Split out cost model vcvt testcases. 
They had a separate RUN line already, so may as well be in a separate file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179988 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-21 23:47:37 +00:00
Renato Golin
5ad5f5931e Improve long vector sext/zext lowering on ARM 
The ARM backend currently has poor codegen for long sext/zext
operations, such as v8i8 -> v8i32. This patch addresses this
by performing a custom expansion in ARMISelLowering. It also
adds/changes the cost of such lowering in ARMTTI.

This partially addresses PR14867.

Patch by Pete Couperus

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177380 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-19 08:15:38 +00:00
Arnold Schwaighofer
d8bfde0c6a ARM cost model: Add test case to make sure we would notice a change in CodeGen 
In r176898 I updated the cost model to reflect the fact that sext/zext/cast on
v8i32 <-> v8i8 and v16i32 <-> v16i8 are expensive.

This test case is so that we make sure to update the cost model once we fix
CodeGen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176955 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-13 16:25:55 +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
Bob Wilson
83815aeb29 Merge a bunch of NEON tests into larger files so they run faster. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83667 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 20:20:54 +00:00
Dan Gohman
fce288fc91 Eliminate more uses of llvm-as and llvm-dis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-09 00:09:15 +00:00
Bob Wilson
e4696cf03d Convert some more Neon tests to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 18:11:50 +00:00
Bob Wilson
5bafff36c7 Add support for ARM's Advanced SIMD (NEON) instruction set. 
This is still a work in progress but most of the NEON instruction set
is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73919 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 23:27:02 +00:00