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6911d2dd21
Improvements to zen make_defs.mk files: * Add -znver4 flag for GCC 13 and later. * Add AVX512 flags or -znver4 as appropriate for upstream LLVM in config/zen4/make_defs.mk to enable BLIS to be build with LLVM rather than AOCC. * zen make_defs.mk files were inheriting settings from the previous one (zen->zen2->zen3->zen4), when they should be independent of each other. Correct by including config/zen/amd_config.mk in all zen make_defs.mk files to reinitialize the compiler flags. * Update zen2 and zen3 make_defs.mk for recent AOCC compiler releases, rather than rely on LLVM settings. * Remove -mfpmath=sse flag in config/zen4/make_defs.mk as this is already specified in amd_config.mk (and should be the default setting anyway). * Tidy files to simplify nested if structures and be more consistent with one another. AMD-Internal: [CPUPL-3399] Change-Id: Ice64ccedd90c2660fdee8b485348a6b405cfc5ac
For more information on sub-configurations and configuration families in BLIS, please read the Configuration Guide, which can be viewed in markdown-rendered form from the BLIS wiki page.
If you don't have time, or are impatient, take a look at the config_registry
file in the top-level directory of the BLIS distribution. It contains a
grammar-like mapping of configuration names, or families, to sub-configurations,
which may be other families. Keep in mind that the / notation:
<config>: <config>/<name>
means that the kernel set associated with <name> should be made available to
the configuration <config> if <config> is targeted at configure-time.
(Some configurations borrow kernels from other configurations, and this is how
we specify that requirement.)