------- Comment #9 from hjl dot tools at gmail dot com 2010-03-08 16:58 ------- (In reply to comment #8) > Created an attachment (id=20044) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20044&action=view) [edit] > gcc44-pr43290-2.patch > > Another fix. Wonder why that insn is marked as frame related at all, for the > drap saving the spill (and restore) generated by > ix86_expand_prologue/ix86_expand_epilogue should be the canonical one, after > all where the vDRAP was spilled to is something that could be clobbered before > the epilogue if vDRAP starts living in the register again, etc. >
There may be a reason to do so at the time. If there are no regressions in gcc testsuite, it probably is OK not to mark drap as frame related. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43290