https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114978
--- Comment #39 from Xi Ruoyao <xry111 at gcc dot gnu.org> --- (In reply to Chen Chen from comment #38) > (In reply to Xi Ruoyao from comment #37) > > So if we revert r15-7525 now, would things work normally with just r15-6657? > > If so I'd suggest to revert r15-7525 (now or when GCC 16 stage 1 starts) and > > close this as a PR114932 dup. > > Why revert r15-7525? In its description it never mentions 548.exchange2_r. See comment 19. r15-7525 was intended for work this around. > And it is beneficial to have an option to adjust addr-reg-reg cost. Anyway > one can set "-maddr-reg-reg-cost=1" if exaggerating the cost is not needed > or prefered. Because on LA464 and LA664 the cost of LDX/STX isn't really so high. Or we should keep the option but change the default of -maddr-reg-reg-cost back to 1.
