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src/cmd/compile/internal/ssa/_gen/PPC64latelower.rules
(AND x:(MOVDconst [m]) n) && m != 0 && isPPC64ValidShiftMask(^m) => (RLDICR [encodePPC64RotateMask(0,m,64)] n) // If the RLDICL does not rotate its value, a shifted value can be merged. (RLDICL [em] x:(SRDconst [s] a)) && (em&0xFF0000) == 0 => (RLDICL [mergePPC64RLDICLandSRDconst(em, s)] a) // Convert rotated 32 bit masks on 32 bit values into rlwinm. In general, this leaves the upper 32 bits in an undefined state.
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 22 19:59:38 UTC 2024 - 3.8K bytes - Viewed (0)