Ian Lance Taylor wrote: > Andrew Haley <a...@redhat.com> writes: > >> This seems to be an an old bug that has come back. We're generating >> >> L1210: >> jmp *%eax >> .L4: >> .L5: >> ... >> jmp .L1210 >> .L1171: >> .L1172: >> ... >> jmp .L1210 >> .L1168: >> .L1169: >> ... >> jmp .L1210 >> >> >> instead of >> >> .L1210: >> jmp *%eax >> .L4: >> .L5: >> ... >> jmp *%eax >> .L1171: >> .L1172: >> ... >> jmp *%eax >> .L1168: >> .L1169: >> ... >> jmp *%eax >> >> Current gcc trunk, x86, gcc -O3 ef.i -S -m32. >> >> Attachment in old Bugzilla entry at >> http://gcc.gnu.org/bugzilla/attachment.cgi?id=6206&action=view > > > We should have something like this in the testsuite.
I've been thinking about that. How would one go about writing a testcase? I guess we're looking for a lot of jmp instrs all bracnhing to the same label. Andrew.
