diff options
Diffstat (limited to 'gcc/cgraph.h')
| -rw-r--r-- | gcc/cgraph.h | 105 |
1 files changed, 102 insertions, 3 deletions
diff --git a/gcc/cgraph.h b/gcc/cgraph.h index 15719fb6872..0d8166a961f 100644 --- a/gcc/cgraph.h +++ b/gcc/cgraph.h @@ -256,6 +256,99 @@ struct GTY(()) cgraph_clone_info bitmap combined_args_to_skip; }; +enum cgraph_simd_clone_arg_type +{ + SIMD_CLONE_ARG_TYPE_VECTOR, + SIMD_CLONE_ARG_TYPE_UNIFORM, + SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP, + SIMD_CLONE_ARG_TYPE_LINEAR_VARIABLE_STEP, + SIMD_CLONE_ARG_TYPE_MASK +}; + +/* Function arguments in the original function of a SIMD clone. + Supplementary data for `struct simd_clone'. */ + +struct GTY(()) cgraph_simd_clone_arg { + /* Original function argument as it originally existed in + DECL_ARGUMENTS. */ + tree orig_arg; + + /* orig_arg's function (or for extern functions type from + TYPE_ARG_TYPES). */ + tree orig_type; + + /* If argument is a vector, this holds the vector version of + orig_arg that after adjusting the argument types will live in + DECL_ARGUMENTS. Otherwise, this is NULL. + + This basically holds: + vector(simdlen) __typeof__(orig_arg) new_arg. */ + tree vector_arg; + + /* vector_arg's type (or for extern functions new vector type. */ + tree vector_type; + + /* If argument is a vector, this holds the array where the simd + argument is held while executing the simd clone function. This + is a local variable in the cloned function. Its content is + copied from vector_arg upon entry to the clone. + + This basically holds: + __typeof__(orig_arg) simd_array[simdlen]. */ + tree simd_array; + + /* A SIMD clone's argument can be either linear (constant or + variable), uniform, or vector. */ + enum cgraph_simd_clone_arg_type arg_type; + + /* For arg_type SIMD_CLONE_ARG_TYPE_LINEAR_CONSTANT_STEP this is + the constant linear step, if arg_type is + SIMD_CLONE_ARG_TYPE_LINEAR_VARIABLE_STEP, this is index of + the uniform argument holding the step, otherwise 0. */ + HOST_WIDE_INT linear_step; + + /* Variable alignment if available, otherwise 0. */ + unsigned int alignment; +}; + +/* Specific data for a SIMD function clone. */ + +struct GTY(()) cgraph_simd_clone { + /* Number of words in the SIMD lane associated with this clone. */ + unsigned int simdlen; + + /* Number of annotated function arguments in `args'. This is + usually the number of named arguments in FNDECL. */ + unsigned int nargs; + + /* Max hardware vector size in bits for integral vectors. */ + unsigned int vecsize_int; + + /* Max hardware vector size in bits for floating point vectors. */ + unsigned int vecsize_float; + + /* The mangling character for a given vector size. This is is used + to determine the ISA mangling bit as specified in the Intel + Vector ABI. */ + unsigned char vecsize_mangle; + + /* True if this is the masked, in-branch version of the clone, + otherwise false. */ + unsigned int inbranch : 1; + + /* True if this is a Cilk Plus variant. */ + unsigned int cilk_elemental : 1; + + /* Doubly linked list of SIMD clones. */ + struct cgraph_node *prev_clone, *next_clone; + + /* Original cgraph node the SIMD clones were created for. */ + struct cgraph_node *origin; + + /* Annotated function arguments for the original function. */ + struct cgraph_simd_clone_arg GTY((length ("%h.nargs"))) args[1]; +}; + /* The cgraph data structure. Each function decl has assigned cgraph_node listing callees and callers. */ @@ -284,6 +377,12 @@ public: /* Declaration node used to be clone of. */ tree former_clone_of; + /* If this is a SIMD clone, this points to the SIMD specific + information for it. */ + struct cgraph_simd_clone *simdclone; + /* If this function has SIMD clones, this points to the first clone. */ + struct cgraph_node *simd_clones; + /* Interprocedural passes scheduled to have their transform functions applied next time we execute local pass on them. We maintain it per-function in order to allow IPA passes to introduce new functions. */ @@ -529,9 +628,9 @@ public: /* Set when variable is scheduled to be assembled. */ unsigned output : 1; - /* Set when variable has statically initialized pointer - or is a static bounds variable and needs initalization. */ - unsigned need_bounds_init : 1; + /* Set if the variable is dynamically initialized, except for + function local statics. */ + unsigned dynamically_initialized : 1; }; /* Every top level asm statement is put into a asm_node. */ |