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author | Nadav Rotem <nadav.rotem@intel.com> | 2011-08-11 16:41:21 +0000 |
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committer | Nadav Rotem <nadav.rotem@intel.com> | 2011-08-11 16:41:21 +0000 |
commit | 5e742a3e1b29104fcadc26286f6daa6c450f87d9 (patch) | |
tree | ff212dc32e40b08dbbd2b39b49d0445893577ccb /lib/Target/ARM/Disassembler/ARMDisassembler.cpp | |
parent | 7eba85eb86e349a3e707dd6ffa52b039fb2c28e0 (diff) |
[AVX] If the data which is going to be saved is already in two XMM registers
(for example, after integer operation), do not pack the registers into a YMM
before saving. Its better to save as two XMM registers.
Before:
vinsertf128 $1, %xmm3, %ymm0, %ymm3
vinsertf128 $0, %xmm1, %ymm3, %ymm1
vmovaps %ymm1, 416(%rsp)
After:
vmovaps %xmm3, 416+16(%rsp)
vmovaps %xmm1, 416(%rsp)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137308 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
0 files changed, 0 insertions, 0 deletions