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| author | Ulrich Weigand <uweigand@de.ibm.com> | 2004-09-28 23:29:02 +0000 |
|---|---|---|
| committer | Ulrich Weigand <uweigand@gcc.gnu.org> | 2004-09-28 23:29:02 +0000 |
| commit | 2f39b6caf61637fe3656c1b63b316dc3af6f3028 (patch) | |
| tree | 2ac40772304a0e5a5f796356ffe7f8326d39ef03 /gcc/local-alloc.c | |
| parent | b0b324b07fc46746d3eada8cc27d6000a3756bed (diff) | |
| download | gcc-2f39b6caf61637fe3656c1b63b316dc3af6f3028.zip gcc-2f39b6caf61637fe3656c1b63b316dc3af6f3028.tar.gz gcc-2f39b6caf61637fe3656c1b63b316dc3af6f3028.tar.bz2 | |
cse.c (cse_insn): Avoid creating direct non-local jumps.
* cse.c (cse_insn): Avoid creating direct non-local jumps.
* combine.c (can_combine_p): Likewise.
* local-alloc. (update_equiv_regs): Likewise.
From-SVN: r88258
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 a01b99a..64db8c4 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 |