Add CMake building#48
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Feb 21, 2026
R2-23: EMIT_MOV_IMM64, EMIT_LOAD_NEON_CONST, and dither_rb_addr now skip zero halfwords -- MOVZ targets the first non-zero halfword, then MOVK only for remaining non-zero ones. Saves ~10 instructions per block across 4 sites (7 prologue ptrs + 3 NEON consts + 1 dither ptr). New ARM64_MOVZ_X_HW(d, imm16, hw) encoding macro added. R2-09: (1<<48) dividend for perspective W division now uses a single MOVZ X4, #1, LSL 86Box#48 instead of 4 instructions (MOVZ #0 + 3 MOVK). Saves 3 instructions per perspective-textured block.
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It doesn't FULLY work yet, but it's close. The only thing that fails with CMake + msys2 is linking.