https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104610
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to H.J. Lu from comment #13) > (In reply to Hongtao.liu from comment #8) > > Created attachment 52495 [details] > > untested patch. > > I see these regressions with -m32: > > FAIL: gcc.dg/lower-subreg-1.c scan-rtl-dump subreg1 "Splitting reg" > FAIL: gcc.target/i386/iamcu/test_basic_64bit_returning.c execution, -O0 > FAIL: gcc.target/i386/iamcu/test_basic_64bit_returning.c execution, -O1 > FAIL: gcc.target/i386/iamcu/test_basic_64bit_returning.c execution, -O2 > FAIL: gcc.target/i386/iamcu/test_basic_64bit_returning.c execution, -O3 -g > FAIL: gcc.target/i386/iamcu/test_basic_64bit_returning.c execution, -Os > FAIL: gcc.target/i386/iamcu/test_struct_returning.c execution, -O0 > FAIL: gcc.target/i386/iamcu/test_struct_returning.c execution, -O1 > FAIL: gcc.target/i386/iamcu/test_struct_returning.c execution, -Og -g -m64 regression: FAIL: gcc.target/i386/pr82580.c scan-assembler-not \\mmovzb
