[Bug target/70734] __builtin_add_overflow emits poor code on x86-64
glisse at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Apr 20 11:05:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70734
--- Comment #7 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #3)
> It's not unused, it's stored to memory.
Of course, I read the testcase too quickly and thought *r was a throw-away
local variable... Sorry about that.
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