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| author | Doug Evans <dje@gnu.org> | 1997-03-28 22:39:39 +0000 |
|---|---|---|
| committer | Doug Evans <dje@gnu.org> | 1997-03-28 22:39:39 +0000 |
| commit | 740a5d9232bf2e89d7e459beed951c9406713c5f (patch) | |
| tree | 33a7ffb75c6baff458d7b68f48dc33aae4324994 /gcc | |
| parent | f6e3c1bb7e1b29fbcf26b20c8fcc785d52662d9f (diff) | |
| download | gcc-740a5d9232bf2e89d7e459beed951c9406713c5f.zip gcc-740a5d9232bf2e89d7e459beed951c9406713c5f.tar.gz gcc-740a5d9232bf2e89d7e459beed951c9406713c5f.tar.bz2 | |
sched.c (update_flow_info): Handle REG_EXEC_COUNT and REG_BR_PROB notes.
* sched.c (update_flow_info): Handle REG_EXEC_COUNT and REG_BR_PROB
notes.
From-SVN: r13822
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/sched.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/sched.c b/gcc/sched.c index edd5f65..d7fe1ca 100644 --- a/gcc/sched.c +++ b/gcc/sched.c @@ -1,5 +1,5 @@ /* Instruction scheduling pass. - Copyright (C) 1992, 93-95, 1996 Free Software Foundation, Inc. + Copyright (C) 1992, 93-96, 1997 Free Software Foundation, Inc. Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by, and currently maintained by, Jim Wilson (wilson@cygnus.com) @@ -4565,6 +4565,12 @@ update_flow_info (notes, first, last, orig_insn) XEXP (note, 0) = first; break; + case REG_EXEC_COUNT: + /* Move a REG_EXEC_COUNT note to the first insn created. */ + XEXP (note, 1) = REG_NOTES (first); + REG_NOTES (first) = note; + break; + case REG_RETVAL: /* Move a REG_RETVAL note to the last insn created, and update the corresponding REG_LIBCALL note. */ @@ -4578,6 +4584,7 @@ update_flow_info (notes, first, last, orig_insn) break; case REG_NONNEG: + case REG_BR_PROB: /* This should be moved to whichever instruction is a JUMP_INSN. */ for (insn = last; ; insn = PREV_INSN (insn)) |