“csinc”, the AArch64 instruction you didn’t know you wanted

• glibc

  45 1,213 9.8 C

  Unofficial mirror of sourceware glibc repository. Updated daily. (by bminor)

  

IFunc relocations is what enables glibc to dynamically choose the best memcpy routine to use at runtime based on the CPU.

see https://github.com/bminor/glibc/blob/glibc-2.31/sysdeps/x86_...

• riscv-zicond

  1 18 7.0 Makefile

  Discontinued The ISA specification for the ZiCondOps extension.

  

And the other "czero.nez" tests for "rs2 != 0". Both are supposed to be result in an operand for another instruction, for conditional add,sub,xor, etc. where a zero operand acts like a nop. Conditional move, however, takes three instructions: two conditional results that get or'ed together.

https://github.com/riscv/riscv-zicond/blob/main/zicondops.ad...

• InfluxDB

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