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| author | Jan Hubicka <jh@suse.cz> | 2001-01-05 16:34:39 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-01-05 15:34:39 +0000 |
| commit | 90a747032a88e99270a882e1d33a87fd55ef8520 (patch) | |
| tree | d2b56b14315659a1bb2e03a1ca419f699c2cffb1 /gcc/emit-rtl.c | |
| parent | bfa2cb330e3f3e8f72df900b60af4b9886553f47 (diff) | |
| download | gcc-90a747032a88e99270a882e1d33a87fd55ef8520.zip gcc-90a747032a88e99270a882e1d33a87fd55ef8520.tar.gz gcc-90a747032a88e99270a882e1d33a87fd55ef8520.tar.bz2 | |
simplify-rtx.c (cfc_args): add "unordered" field.
* simplify-rtx.c (cfc_args): add "unordered" field.
(check_fold_consts): Set unordered field.
(simplify_relational_operation): Simplify the unordered
comparisons.
* reg-stack.c (swap_rtx_condition): Ensure that the transformation
is valid.
* emit-rtl.c (try_split): Fix code to mark labels.
* jump.c (mark_jump_label): Make global.
* rtl.h (mark_jump_label): Declare.
* predict.c (estimate_probability): Handle unordred comparisons.
From-SVN: r38711
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 9f2a4ae..0206bbd 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1,6 +1,6 @@ /* Emit RTL for the GNU C-Compiler expander. Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000 Free Software Foundation, Inc. + 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of GNU CC. @@ -2433,19 +2433,11 @@ try_split (pat, trial, last) && rtx_equal_p (PATTERN (XVECEXP (seq, 0, i)), pat)) return trial; - /* If we are splitting a JUMP_INSN, look for the JUMP_INSN in - SEQ and copy our JUMP_LABEL to it. If JUMP_LABEL is non-zero, - increment the usage count so we don't delete the label. */ - - if (GET_CODE (trial) == JUMP_INSN) - for (i = XVECLEN (seq, 0) - 1; i >= 0; i--) - if (GET_CODE (XVECEXP (seq, 0, i)) == JUMP_INSN) - { - JUMP_LABEL (XVECEXP (seq, 0, i)) = JUMP_LABEL (trial); - - if (JUMP_LABEL (trial)) - LABEL_NUSES (JUMP_LABEL (trial))++; - } + /* Mark labels. */ + for (i = XVECLEN (seq, 0) - 1; i >= 0; i--) + if (GET_CODE (XVECEXP (seq, 0, i)) == JUMP_INSN) + mark_jump_label (PATTERN (XVECEXP (seq, 0, i)), + XVECEXP (seq, 0, i), 0, 0); /* If we are splitting a CALL_INSN, look for the CALL_INSN in SEQ and copy our CALL_INSN_FUNCTION_USAGE to it. */ |