On Thu, Feb 7, 2019 at 3:49 PM T L <tapir....@gmail.com> wrote: > > Is the bug zone outdated now. How about the support on other 32-bit archs? > Such as mips?
The bug description is not out of date. Yes, 32-bit MIPS also requires 8 byte alignment for the 64-bit operations. I sent https://golang.org/cl/161697 to update the docs. Ian > On Wednesday, February 1, 2017 at 12:03:59 PM UTC-4, T L wrote: >> >> the sync/atomic docs, https://golang.org/pkg/sync/atomic/, says in the end >> of the docs >> >> >>> On x86-32, the 64-bit functions use instructions unavailable before the >>> Pentium MMX. >>> >>> On non-Linux ARM, the 64-bit functions use instructions unavailable before >>> the ARMv6k core. >>> >>> On both ARM and x86-32, it is the caller's responsibility to arrange for >>> 64-bit alignment of 64-bit words accessed atomically. >>> >>> The first word in a global variable or in an allocated struct or slice can >>> be relied upon to be 64-bit aligned. >> >> >> The last line says the first word in a global variable or in an allocated >> struct or slice is 64-bit aligned for sure. >> But what does an allocated struct or slice means? A struct or slice >> allocated on heap, not stack? > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
