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(parent: f8ece31) | patch
(try_combine): New variable i3_subst_into_i2.
authorJim Wilson <wilson@gcc.gnu.org>
Wed, 6 Oct 1993 17:46:02 +0000 (10:46 -0700)
committerJim Wilson <wilson@gcc.gnu.org>
Wed, 6 Oct 1993 17:46:02 +0000 (10:46 -0700)
commit176c9e6beb33949a252109a2efefbed9045f9c7b
treeb25129e2ba4a7dd3e6c345a2a8a505589c0d8a10tree
parentf8ece31752c9e0c8ac28afbdc0cffdf7a4d2ad03commit | diff
(try_combine): New variable i3_subst_into_i2.

Set it for special case of substituting i3 into i2.  Use it near
end to detect when special case succeeded.  Move i2notes to
i3notes for this special case.
(distribute_notes, REG_UNUSED case): Ignore all REG_UNUSED notes
except those from I3.

From-SVN: r5639
gcc/combine.c diff | blob | history