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| author | Cherry Zhang <cherryyz@google.com> | 2019-06-21 22:42:18 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-06-21 22:42:18 +0000 |
| commit | d54cf3a449fad57fcad8d2eafb8bb3d49585ea65 (patch) | |
| tree | bf4410cb0c973ef258021efcf54a16d92bc7f1af /gcc/go/go-gcc.cc | |
| parent | f4e7200b1df3dde7d2d9cec8861c6567356db40f (diff) | |
| download | gcc-d54cf3a449fad57fcad8d2eafb8bb3d49585ea65.zip gcc-d54cf3a449fad57fcad8d2eafb8bb3d49585ea65.tar.gz gcc-d54cf3a449fad57fcad8d2eafb8bb3d49585ea65.tar.bz2 | |
compiler: intrinsify some math/bits functions
Let the Go frontend recognize some math/bits functions and turn
them into intrinsics.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/183266
* go-gcc.cc (Gcc_backend::Gcc_backend): Define math/bits
builtins.
From-SVN: r272579
Diffstat (limited to 'gcc/go/go-gcc.cc')
| -rw-r--r-- | gcc/go/go-gcc.cc | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/gcc/go/go-gcc.cc b/gcc/go/go-gcc.cc index 91043b5..879149e 100644 --- a/gcc/go/go-gcc.cc +++ b/gcc/go/go-gcc.cc @@ -613,7 +613,7 @@ Gcc_backend::Gcc_backend() NULL_TREE), false, false); - // Used by runtime/internal/sys. + // Used by runtime/internal/sys and math/bits. this->define_builtin(BUILT_IN_CTZ, "__builtin_ctz", "ctz", build_function_type_list(integer_type_node, unsigned_type_node, @@ -624,6 +624,31 @@ Gcc_backend::Gcc_backend() long_long_unsigned_type_node, NULL_TREE), true, false); + this->define_builtin(BUILT_IN_CLZ, "__builtin_clz", "clz", + build_function_type_list(integer_type_node, + unsigned_type_node, + NULL_TREE), + true, false); + this->define_builtin(BUILT_IN_CLZLL, "__builtin_clzll", "clzll", + build_function_type_list(integer_type_node, + long_long_unsigned_type_node, + NULL_TREE), + true, false); + this->define_builtin(BUILT_IN_POPCOUNT, "__builtin_popcount", "popcount", + build_function_type_list(integer_type_node, + unsigned_type_node, + NULL_TREE), + true, false); + this->define_builtin(BUILT_IN_POPCOUNTLL, "__builtin_popcountll", "popcountll", + build_function_type_list(integer_type_node, + long_long_unsigned_type_node, + NULL_TREE), + true, false); + this->define_builtin(BUILT_IN_BSWAP16, "__builtin_bswap16", "bswap16", + build_function_type_list(uint16_type_node, + uint16_type_node, + NULL_TREE), + true, false); this->define_builtin(BUILT_IN_BSWAP32, "__builtin_bswap32", "bswap32", build_function_type_list(uint32_type_node, uint32_type_node, |