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| author | obrien <obrien@FreeBSD.org> | 2002-12-04 15:42:16 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2002-12-04 15:42:16 +0000 |
| commit | 7a1080fa5c329ea8a9505e51ce151719955bcfa2 (patch) | |
| tree | 78b77287e56e2a87be73638176124be85a8fc6c7 /contrib/gcc/jump.c | |
| parent | ef3bb1318428b8cfb1c8287f61b9b1f23f9bf0b5 (diff) | |
| download | FreeBSD-src-7a1080fa5c329ea8a9505e51ce151719955bcfa2.zip FreeBSD-src-7a1080fa5c329ea8a9505e51ce151719955bcfa2.tar.gz | |
Gcc 3.2.1 release virgin vendor import. (19-Nov-2002)
Diffstat (limited to 'contrib/gcc/jump.c')
| -rw-r--r-- | contrib/gcc/jump.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/contrib/gcc/jump.c b/contrib/gcc/jump.c index 1a26b59..14baeed 100644 --- a/contrib/gcc/jump.c +++ b/contrib/gcc/jump.c @@ -1076,6 +1076,21 @@ simplejump_p (insn) && GET_CODE (SET_DEST (PATTERN (insn))) == PC && GET_CODE (SET_SRC (PATTERN (insn))) == LABEL_REF); } +/* Return 1 if INSN is an tablejump. */ + +int +tablejump_p (insn) + rtx insn; +{ + rtx table; + return (GET_CODE (insn) == JUMP_INSN + && JUMP_LABEL (insn) + && NEXT_INSN (JUMP_LABEL (insn)) + && (table = next_active_insn (JUMP_LABEL (insn))) + && GET_CODE (table) == JUMP_INSN + && (GET_CODE (PATTERN (table)) == ADDR_VEC + || GET_CODE (PATTERN (table)) == ADDR_DIFF_VEC)); +} /* Return nonzero if INSN is a (possibly) conditional jump and nothing more. |
