![]() Virtually all chips designed in China are developed using electronic design automation (EDA) tools of U.S. In addition, they can also execute code written for previous-generation Loongson processors. As a result, these CPUs can take advantage of multiple architectural innovations - such as binary conversion extension instructions (LBT), vector processing extension instructions (LSX), and advanced vector processing extension instructions (LASX) - yet they maintain backward compatibility with MIPS. ![]() Loongson's latest quad-core 3A5000, 16-core 3C5000, and 32-core 3D5000 processors based on the LA464 cores use the company's own LoongArch ISA, which reportedly features nearly 2,000 proprietary instructions. Loongson is a major CPU developer from China, which has for years used the MIPS instruction set architecture (ISA) originally designed in the U.S.
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