https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #291 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Kazumoto Kojima from comment #285) > (In reply to Oleg Endo from comment #284) > > (In reply to Kazumoto Kojima from comment #283) > ... > > > It turned out that the c#276 version of block_lump_real_i4 works correctly > > > in only the limited cases. > > > > Have you tried writing the pattern as > > > > (define_insn "block_lump_real_i4" > > [(set (mem:BLK (match_operand:SI 2 "" "r,r")) > > (mem:BLK (match_operand:SI 3 "" "r,r"))) > > (use (match_operand:SI 0 "arith_reg_operand" "r,r")) > > (use (match_operand 1 "" "Z,Ccl")) > > ... > > > > i.e. without the parallel in there? Sorry, maybe it's a stupid idea but ... > > The last time I tried it against slightly different patterns, there was no > difference. I'll try it again. One of the explicit parallel issue was fixed with my commit g:da33ad53bcb57943fa671c745938a53f4de89a1b But there could be more hiding.
