Details:
- These changes constitute the first set of changes in preparation to
revamping the structure and use of control trees in BLIS. Modifications
in this commit don't affect the control tree code yet, but rather lay
the groundwork.
- Defined wrappers for the following functions, where the the wrappers
each take a direction parameter of a new enumerated type (BLIS_BWD or
BLIS_FWD), dir_t, and executes the correct underlying function.
- bli_acquire_mpart_*() and _vpart_*()
- bli_*_determine_kc_[fb]()
- bli_thread_get_range_*() and bli_thread_get_range_weighted_*()
- Consolidated all 'f' (forwards-moving) and 'b' (backwards-moving)
blocked variants for trmm and trsm, and renamed gemm and herk variants
accordingly. The direction is now queried via routines such as
bli_trmm_direct(), which deterines the direction from the implied side
and uplo parameters. For gemm and herk, it is uncondtionally BLIS_FWD.
- Defined wrappers to parameter-specific macrokernels for herk, trmm, and
trsm, e.g. bli_trmm_xx_ker_var2(), that execute the correct underlying
macrokernel based on the implied parameters. The same logic used to
choose the dir_t in _direct() functions is used here.
- Simplified the function pointer arrays in _int() functions given the
consolidation and dir_t querying mentioned above.
- Function signature (whitespace) reformatting for various functions.
- Removed old code in various 'old' directories.
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