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]

Re: Improvement for update_equiv_regs (fwd)


+       /* cse sometimes generates function invariants, but doesn't put a
+ 	 REG_EQUAL note on the insn.  */
+       if (! note && function_invariant_p (src))
+ 	REG_NOTES (insn)
+ 	  = note = gen_rtx_EXPR_LIST (REG_EQUAL, src, REG_NOTES (insn));

This looks like it's kludging around *something*.  Can you say more?

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