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11 Commits

Author SHA1 Message Date
Rafael Espindola
dc0981d3e0 Put VMOVPQIto64rr in the VRPDI class. 
Patch by Joshua Magee.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180842 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-05-01 13:00:16 +00:00
Craig Topper
956342b210 Teach DAG combiner to constant fold fneg of a BUILD_VECTOR of constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163483 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-09 22:58:45 +00:00
Chad Rosier
0660cfe3c8 Fix assert in LowerBUILD_VECTOR for v16i16 type on AVX. 
Patch by Elena Demikhovsky <elena.demikhovsky@intel.com>!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146684 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-15 21:34:44 +00:00
Chad Rosier
a860b189e4 Add support for lowering fneg when AVX is enabled. 
rdar://10566486


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146625 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-15 01:02:25 +00:00
Jakob Stoklund Olesen
3e5d5c53a0 Expand V_SET0 to xorps by default. 
The xorps instruction is smaller than pxor, so prefer that encoding.

The ExecutionDepsFix pass will switch the encoding to pxor and xorpd
when appropriate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143996 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-07 19:15:58 +00:00
Bruno Cardoso Lopes
0c4b9ff077 Change all checks regarding the presence of any SSE level to always 
take into consideration the presence of AVX. This change, together with
the SSEDomainFix enabled for AVX, makes AVX codegen to always (hopefully)
emit the same code as SSE for 128-bit vector ops. I don't
have a testcase for this, but AVX now beats SSE in performance for
128-bit ops in the majority of programas in the llvm testsuite

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139817 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 18:27:36 +00:00
Bruno Cardoso Lopes
5fc48100ee Fix PR10845. SUBREG_TO_REG shouldn't be used when the input and 
destination types are equal!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139553 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 22:59:23 +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
3b86598cfa Instead of always leaving the work to the generic legalizer when 
there is no support for native 256-bit shuffles, be more smart in some
cases, for example, when you can extract specific 128-bit parts and use
regular 128-bit shuffles for them. Example:

For this shuffle:
  shufflevector <4 x i64> %a, <4 x i64> %b, <4 x i32>
                <i32 1, i32 0, i32 7, i32 6>

This was expanded to:
  vextractf128  $1, %ymm1, %xmm2
  vpextrq $0, %xmm2, %rax
  vmovd %rax, %xmm1
  vpextrq $1, %xmm2, %rax
  vmovd %rax, %xmm2
  vpunpcklqdq %xmm1, %xmm2, %xmm1
  vpextrq $0, %xmm0, %rax
  vmovd %rax, %xmm2
  vpextrq $1, %xmm0, %rax
  vmovd %rax, %xmm0
  vpunpcklqdq %xmm2, %xmm0, %xmm0
  vinsertf128 $1, %xmm1, %ymm0, %ymm0
  ret

Now we get:
  vshufpd $1, %xmm0, %xmm0, %xmm0
  vextractf128  $1, %ymm1, %xmm1
  vshufpd $1, %xmm1, %xmm1, %xmm1
  vinsertf128 $1, %xmm1, %ymm0, %ymm0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137733 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 18:21:54 +00:00
Bruno Cardoso Lopes
59353b436a Fix PR10492 by teaching MOVHLPS and MOVLPS mask matching to be more strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137324 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 18:59:13 +00:00
Bruno Cardoso Lopes
b33ea56448 Rename and tidy up tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137103 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 03:04:23 +00:00