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Jatin Bhateja 2c139f77c7 [X86] Allow cross-lane permutations for sub targets supporting AVX2.
Summary:
Most instructions in AVX work “in-lane”, that is, each source element is applied only to other
elements of the same lane, thus a cross lane permutation is costly and needs more than one instrution.
AVX2 includes instructions to perform any-to-any permutation of words over a 256-bit register
and vectorized table lookup.

This should also Fix PR34369

Differential Revision: https://reviews.llvm.org/D37388

llvm-svn: 312608
2017-09-06 02:58:47 +00:00
clang Fix indentation mistake from r312595 2017-09-06 00:44:10 +00:00
clang-tools-extra Make run-clang-tidy compatible with Python 3.x 2017-09-05 12:36:33 +00:00
compiler-rt [msan] Remove a stale fixme (NFC). 2017-09-06 00:28:52 +00:00
debuginfo-tests Fix debuginfo-tests with GDB on Linux 2017-08-31 18:16:55 +00:00
libclc amdgcn,waitcnt: Add datalayout info 2017-09-04 15:52:07 +00:00
libcxx Add MINGW_LIBRARIES to the linker flags 2017-09-04 19:46:53 +00:00
libcxxabi [libcxxabi] When built with ASan, __cxa_throw calls __asan_handle_no_return 2017-09-06 02:43:54 +00:00
libunwind Revert r312240 2017-08-31 15:51:23 +00:00
lld Fix crbug 759265 by suppressing llvm mt warnings. 2017-09-06 01:50:36 +00:00
lldb Fix DW_FORM_strp parsing 2017-09-05 19:01:01 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [X86] Allow cross-lane permutations for sub targets supporting AVX2. 2017-09-06 02:58:47 +00:00
openmp Read blocktime value set by kmp_set_blocktime() before reading from KMP_BLOCKTIME 2017-09-05 15:45:48 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly [Simplify] Actually remove unsed instruction from region header. 2017-09-05 19:44:39 +00:00