https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63150
Segher Boessenkool <segher at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-09-03 CC| |segher at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> --- Confirmed. Happens with -m32 -mno-lra only. bswapdi2_32bit only allows "Z" for memory operands; reload decides to use a register.