This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: shrink insn-attrtab.o by 4kB

Vladimir Makarov <vmakarov@redhat.com> writes:

>> I will attempt to reproduce this with a cross compiler.
>> 
>
> A wrong code is generated now for internal_insn_latency.  Control flow
> goes through all cases (it is wrong and slow).  I think you missed
> generation of break.  Therefore it calls bypasses for wrong insns.

Yes, indeed, the missing break is the problem.  Andreas, would you
please test the appended patch?  It solves the problem for my cross
compiler but I'd like validation on the real thing.

zw
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]