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author | Sumanth Gundapaneni <sgundapa@codeaurora.org> | 2017-10-18 18:07:07 +0000 |
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committer | Sumanth Gundapaneni <sgundapa@codeaurora.org> | 2017-10-18 18:07:07 +0000 |
commit | e1983bcf552980433a7a8ed7a2ae31ded4ae9b4a (patch) | |
tree | a971d5be4ebd3445c32d5c802eac212ce2843964 /llvm/tools/llvm-cov/SourceCoverageViewHTML.h | |
parent | 265d253aae7b6d44618e07db7ee042b4b1aeb9c6 (diff) | |
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[Hexagon] New HVX target features.
This patch lets the llvm tools handle the new HVX target features that
are added by frontend (clang). The target-features are of the form
"hvx-length64b" for 64 Byte HVX mode, "hvx-length128b" for 128 Byte mode HVX.
"hvx-double" is an alias to "hvx-length128b" and is soon will be deprecated.
The hvx version target feature is upgated form "+hvx" to "+hvxv{version_number}.
Eg: "+hvxv62"
For the correct HVX code generation, the user must use the following
target features.
For 64B mode: "+hvxv62" "+hvx-length64b"
For 128B mode: "+hvxv62" "+hvx-length128b"
Clang picks a default length if none is specified. If for some reason,
no hvx-length is specified to llvm, the compilation will bail out.
There is a corresponding clang patch.
Differential Revision: https://reviews.llvm.org/D38851
llvm-svn: 316101
Diffstat (limited to 'llvm/tools/llvm-cov/SourceCoverageViewHTML.h')
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