This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/26726] -fivopts producing out of bounds array refs
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Oct 2007 10:05:15 -0000
- Subject: [Bug target/26726] -fivopts producing out of bounds array refs
- References: <bug-26726-12049@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #17 from bonzini at gnu dot org 2007-10-29 10:05 -------
> This issue with -4 offset is annoying because code size of offsetted load insn
> is huge:
>
> f: c7 40 fc 01 00 00 00 movl $0x1,-0x4(%eax)
-0x4(%eax) is 2 bytes more than (%eax), where IIRC it would be "a3 01 00 00
00", and only one byte more than any other non-offsetted load insn.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26726