Messages in this thread | | | Date | Thu, 10 Jul 2003 15:04:04 -0700 | From | Richard Henderson <> | Subject | Re: [PATCH] Fix do_div() for all architectures |
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On Thu, Jul 10, 2003 at 09:31:45PM +0200, Bernardo Innocenti wrote: > Just to open some interesting speculation, do you think we'd > get better code by just getting rid of __attribute__((pure)) > or by changing __do_div64() to do something like this? > > typedef struct { uint64_t quot, uint32_t rem } __quotrem64; > __quotrem64 __do_div64(uint64_t div, uint32_t base) __attribute__((const));
No. Most targets require structures be returned in memory.
If people really care beyond the generic, they'll write special assembly for it.
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