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| author | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-28 23:29:02 +0000 |
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| committer | uweigand <uweigand@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-28 23:29:02 +0000 |
| commit | 806351c6eab694010f9c1fdfb1489ac2973ac70b (patch) | |
| tree | 2ac40772304a0e5a5f796356ffe7f8326d39ef03 /gcc/local-alloc.c | |
| parent | 07f6ff584617b908a02aa42863f579cfd5d0c4c9 (diff) | |
| download | gcc-806351c6eab694010f9c1fdfb1489ac2973ac70b.tar.gz | |
* cse.c (cse_insn): Avoid creating direct non-local jumps.
* combine.c (can_combine_p): Likewise.
* local-alloc. (update_equiv_regs): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88258 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/local-alloc.c')
| -rw-r--r-- | gcc/local-alloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index a01b99a0425..64db8c4258f 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -1010,6 +1010,11 @@ update_equiv_regs (void) if (! INSN_P (insn)) continue; + /* Don't substitute into a non-local goto, this confuses CFG. */ + if (JUMP_P (insn) + && find_reg_note (insn, REG_NON_LOCAL_GOTO, NULL_RTX)) + continue; + for (link = REG_NOTES (insn); link; link = XEXP (link, 1)) { if (REG_NOTE_KIND (link) == REG_DEAD |