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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/reg-stack.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/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 0063cbd..48dd3bd 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1,6 +1,6 @@ /* Register to Stack convert for GNU compiler. Copyright (C) 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. @@ -1261,7 +1261,17 @@ swap_rtx_condition (insn) pat = PATTERN (insn); } - return swap_rtx_condition_1 (pat); + if (swap_rtx_condition_1 (pat)) + { + INSN_CODE (insn) = -1; + if (recog_memoized (insn) == -1) + { + swap_rtx_condition_1 (pat); + return 0; + } + return 1; + } + return 0; } /* Handle a comparison. Special care needs to be taken to avoid |