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author | Clinton Popetz <cpopetz@cygnus.com> | 2000-01-11 17:26:28 +0000 |
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committer | Clinton Popetz <cpopetz@gcc.gnu.org> | 2000-01-11 12:26:28 -0500 |
commit | a249decd13d6d5a45ffa364bbfc766b03d83f96f (patch) | |
tree | 4805adfaefba7a75012c082958b6ce9bb425181b | |
parent | 7c7ef435b14e947507abab8801e6dc2eb531dc85 (diff) | |
download | gcc-a249decd13d6d5a45ffa364bbfc766b03d83f96f.zip gcc-a249decd13d6d5a45ffa364bbfc766b03d83f96f.tar.gz gcc-a249decd13d6d5a45ffa364bbfc766b03d83f96f.tar.bz2 |
flow.c (propagate_block): When a prologue/epilogue insn is marked dead...
* flow.c (propagate_block): When a prologue/epilogue insn
is marked dead, unconditionally clear libcall_is_dead and
insn_is_dead, and only dump rtl if warnings aren't being
suppressed.
From-SVN: r31327
-rw-r--r-- | gcc/ChangeLog | 7 | ||||
-rw-r--r-- | gcc/flow.c | 11 |
2 files changed, 14 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index feb6f07..f728c2e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2000-01-11 Clinton Popetz <cpopetz@cygnus.com> + + * flow.c (propagate_block): When a prologue/epilogue insn + is marked dead, unconditionally clear libcall_is_dead and + insn_is_dead, and only dump rtl if warnings aren't being + suppressed. + Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz> * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD. @@ -3295,14 +3295,17 @@ propagate_block (old, first, last, significant, bnum, flags) /* We almost certainly don't want to delete prologue or epilogue instructions. Warn about probable compiler losage. */ - if ((flags & PROP_KILL_DEAD_CODE) - && insn_is_dead + if (insn_is_dead && reload_completed && (HAVE_epilogue || HAVE_prologue) && prologue_epilogue_contains (insn)) { - warning ("ICE: would have deleted prologue/epilogue insn"); - debug_rtx (insn); + if (flags & PROP_KILL_DEAD_CODE) + { + warning ("ICE: would have deleted prologue/epilogue insn"); + if (!inhibit_warnings) + debug_rtx (insn); + } libcall_is_dead = insn_is_dead = 0; } |