https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104610
--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> --- (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
