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| author | David E. O'Brien <obrien@FreeBSD.org> | 2002-12-04 15:42:16 +0000 |
|---|---|---|
| committer | David E. O'Brien <obrien@FreeBSD.org> | 2002-12-04 15:42:16 +0000 |
| commit | 45fc31f8dde65cd5b7930b1047a99745f440e9f3 (patch) | |
| tree | 78b77287e56e2a87be73638176124be85a8fc6c7 /contrib/gcc/jump.c | |
| parent | 90cbf5083e47af838ba7e17a308c7e6ac72444dc (diff) | |
| download | src-45fc31f8dde65cd5b7930b1047a99745f440e9f3.tar.gz src-45fc31f8dde65cd5b7930b1047a99745f440e9f3.zip | |
Gcc 3.2.1 release virgin vendor import. (19-Nov-2002)
Notes
Notes:
svn path=/vendor/gcc/dist/; revision=107590
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 1a26b5924b93..14baeed32cfb 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. |