Re: [PATCH v3 1/4] [SPARC] Errata workaround for GRLIB-TN-0012

> 2017-11-17 Daniel Cederman > > * config/sparc/sparc.c (fpop_insn_p): New function. > (sparc_do_work_around_errata): Insert NOP instructions to > prevent sequences that could trigger the TN-0012 errata for > GR712RC. >

[PATCH v3 1/4] [SPARC] Errata workaround for GRLIB-TN-0012

This patch provides a workaround for the errata described in GRLIB-TN-0012. If the workaround is enabled it will: * Prevent any floating-point operation from being placed in the delay slot of an annulled integer branch. * Place a NOP at the branch target of an integer branch if it is a