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There is a page named "Lzcnt" on Wikipedia
- Find first set (redirect from Lzcnt)C++: Compiler Intrinsics. Microsoft. Retrieved 2018-05-21. "__lzcnt16, __lzcnt, __lzcnt64". Visual Studio 2008: Visual C++: Compiler Intrinsics. Microsoft...43 KB (3,820 words) - 16:40, 8 June 2024
- SSE4 (section POPCNT and LZCNT)encoding of LZCNT takes the same encoding path as the encoding of the BSR (bit scan reverse) instruction. This results in an issue where LZCNT called on...23 KB (1,614 words) - 12:58, 25 May 2024
- ABM flag to indicate LZCNT support (since LZCNT combined with BMI1 and BMI2 completes the expanded ABM instruction set). LZCNT is related to the Bit...18 KB (1,412 words) - 23:00, 22 June 2024
- opcode, then the instruction will execute as LZCNT on systems that support the ABM or LZCNT extensions. LZCNT produces a different result from BSR for most...338 KB (15,681 words) - 18:29, 1 July 2024
instructions) AVX2 vpermd BMI1 andn BMI2 bzhi F16C vcvtph2ps FMA vfmadd132pd LZCNT lzcnt MOVBE movbe OSXSAVE xgetbv v4 AVX512F kmovw Intel Skylake and newer Intel...115 KB (11,446 words) - 21:10, 30 June 2024- BMI1, MOVBE (Move Big-Endian instruction), XSAVE/XSAVEOPT, ABM (POPCNT/LZCNT), and AMD-V. Over 10% increase in clock frequency Over 15% improvement in...23 KB (1,049 words) - 21:32, 29 May 2024
- BMI1, MOVBE (Move Big-Endian instruction), XSAVE/XSAVEOPT, ABM (POPCNT/LZCNT), and AMD-V. 19% CPU core leakage reduction at 1.2V 38% GPU leakage reduction...7 KB (418 words) - 09:01, 16 April 2023
- CR8 in 32-bit mode 4 5 msr Model-specific registers abm/lzcnt Advanced bit manipulation (LZCNT and POPCNT) 5 6 pae Physical Address Extension sse4a SSE4a...206 KB (11,738 words) - 19:19, 6 July 2024
- number of leading zero bits for packed double- or quadword values Vectorized LZCNT instruction VPBROADCASTMB2Q, VPBROADCASTMW2D Broadcast mask to vector register...85 KB (4,633 words) - 17:33, 19 May 2024
- most Intel chips, it's BSR (bitscan reverse), though newer SoCs also have LZCNT (count leading zeros) Warren, Henry S. (2013). Hacker's Delight (2nd ed...9 KB (1,199 words) - 00:43, 14 October 2023
- and extensions New bit-manipulation instructions ABM: Leading Zero Count (LZCNT) and Population Count (POPCNT) New SSE instructions named as SSE4a: combined...78 KB (5,570 words) - 04:24, 28 June 2024
- PMOVSXWQ, PMOVZXWQ, PMOVSXDQ, PMOVZXDQ, PTEST, PCMPEQQ, PACKUSDW, MOVNTDQA LZCNT, POPCNT, EXTRQ, INSERTQ, MOVNTSD, MOVNTSS CRC32, PCMPESTRI, PCMPESTRM, PCMPISTRI