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459a0ce8dc
The sparse array used for error decoding from is unnecessarily big. It should be better handled by a switch statement that will also allow us to more easily improve this code. Add a CASE_ERR() macro to keep the table compact and use it instead of the 256-entries array, which saves some space: $ bloat-o-meter xe_pcode.o.old xe_pcode.o add/remove: 0/1 grow/shrink: 2/0 up/down: 190/-4096 (-3906) Function old new delta __pcode_mailbox_rw 363 465 +102 __pcode_mailbox_rw.cold 58 146 +88 err_decode 4096 - -4096 Total: Before=7890, After=3984, chg -49.51% Reviewed-by: Raag Jadav <raag.jadav@intel.com> Link: https://patch.msgid.link/20251110-pcode-errmap-v2-1-cb18c8f54238@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>