[Bug target/49781] Unnecessary lea in x32 mode

2011-07-19 Thread hjl.tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781 --- Comment #2 from H.J. Lu 2011-07-19 13:06:19 UTC --- (In reply to comment #1) > (In reply to comment #0) > > > Many lea insns can be combined with the load/store insn followed. > > No, these are leal insns, they have inherent zero_extend fro

[Bug target/49781] Unnecessary lea in x32 mode

2011-07-18 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49781 --- Comment #1 from Uros Bizjak 2011-07-19 06:45:56 UTC --- (In reply to comment #0) > Many lea insns can be combined with the load/store insn followed. No, these are leal insns, they have inherent zero_extend from SImode and they clear upper 3