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* [Bug rtl-optimization/92925] RTL expansion throws away misalignment info
[not found] <bug-92925-4@http.gcc.gnu.org/bugzilla/>
@ 2021-12-16 6:27 ` pinskia at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2021-12-16 6:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92925
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(insn 16 15 0 (set (mem:TI (plus:DI (reg/f:DI 87)
(const_int 8 [0x8])) [2 bptr_6(D)->aD.1982[i_12]+0 S16 A64])
(const_int 0 [0])) "/app/example.cpp":11:15 -1
(nil))
Note you need to add:
asm("":::"memory");
at the end of the function set; otherwise everything is optimized away :).
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[not found] <bug-92925-4@http.gcc.gnu.org/bugzilla/>
2021-12-16 6:27 ` [Bug rtl-optimization/92925] RTL expansion throws away misalignment info pinskia at gcc dot gnu.org
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