[Bug target/49781] [x32] Unnecessary lea in x32 mode

ubizjak at gmail dot com gcc-bugzilla@gcc.gnu.org
Sun Aug 7 13:50:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781

--- Comment #31 from Uros Bizjak <ubizjak at gmail dot com> 2011-08-07 13:50:17 UTC ---
(In reply to comment #29)
> Created attachment 24938 [details]
> WIP patch that exploits addr32.
> 
> New version of patch for testing. Survives bootstrap + regtest on
> x86_64-pc-linux-gnu.

Oh, I forgot to add MEM_P ..., so please change the condition to:

  if (TARGET_64BIT
&& MEM_P (x)

      && GET_MODE_SIZE (mode) > UNITS_PER_WORD
      && rclass == GENERAL_REGS
      && !offsettable_memref_p (x))

Patch still works OK.



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