[Bug middle-end/66391] suboptimal code for assignment of SImode struct with bitfields

2021-08-18 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66391

--- Comment #1 from Andrew Pinski  ---
So at -O2 we get decent code from GCC 9+ due to store merging which "undoes"
what SRA did.

But at -O3 the loop gets split into two.

[Bug middle-end/66391] suboptimal code for assignment of SImode struct with bitfields

2016-09-19 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66391

Andrew Pinski  changed:

   What|Removed |Added

  Component|rtl-optimization|middle-end
   Severity|normal  |enhancement