-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/23/11 08:55, Bernd Schmidt wrote: > The first basic block contains insns to move incoming argument registers > to pseudos. When these pseudos live across calls, they get allocated to > call-saved registers. This in turns disables shrink-wrapping, since the > move instruction requires the prologue (saving the call-saved reg) to > occur before it. > > This patch addresses the problem by moving such moves downwards through > the CFG until we find a place where the destination is used or the > incoming argument is clobbered. OK. At some point I'll probably want to move this code to run immediately after IRA completes and extend it in a few ways, but for now it's OK as it stands.
jeff -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJNlIA5AAoJEBRtltQi2kC7DeIH+weQ1mb1whdL6gD18RmLeBvR cMtbAHMOz6Hyt8vojAjyXEFJtVPGDv9tbr3/GiKZiOamBhXLVy38YCh9dCZDaE/K +sqSCSPSc9/N0poUpeYY/Am5HWp/rBXbY0+vUxnaS3rCTGAiOSrzpw4/VR23MTLN mVTa4lhz4KPifFIigpvGoNS+n1MZkUfeg7CoMXMvVl516bTwuLHB0VcSWV7qud8w E4uIqHngf8k1rSLvGOsRy08a2tXxJBIRolfTI8bYZLFXG9EhsIQnR5e664ySBgyj gVPVBSTT+zpbpkF12f8qJ/PLO1JWZlS7gDTwS+lGhEcWq9hmO3+rP/C5Z7XXsYQ= =ippB -----END PGP SIGNATURE-----
