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| author | Richard Henderson <rth@redhat.com> | 2000-10-25 17:30:55 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-10-25 17:30:55 -0700 |
| commit | 4667f7054615e6c51d1eac60350ecc39377b9b8b (patch) | |
| tree | e1f6fb9fab6f19b42ca9dd50ec2c6df5cb841181 /gcc | |
| parent | 78192b0984feaab04d373d0754d06d8a7cd623f3 (diff) | |
| download | gcc-4667f7054615e6c51d1eac60350ecc39377b9b8b.zip gcc-4667f7054615e6c51d1eac60350ecc39377b9b8b.tar.gz gcc-4667f7054615e6c51d1eac60350ecc39377b9b8b.tar.bz2 | |
recog.c (constrain_operands): Initialize which_alternative before no alternatives early exit.
* recog.c (constrain_operands): Initialize which_alternative
before no alternatives early exit.
From-SVN: r37065
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/recog.c | 6 |
2 files changed, 6 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3edb9b2..588ac13 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,14 +1,13 @@ 2000-10-25 Richard Henderson <rth@redhat.com> + * recog.c (constrain_operands): Initialize which_alternative + before no alternatives early exit. + * cse.c (find_comparison_args): Check that we can reverse a comparison if needed before accepting the substitution. -2000-10-25 Richard Henderson <rth@redhat.com> - * reload.c (find_reloads_address_part): Kill rtx obstack hackery. -2000-10-25 Richard Henderson <rth@redhat.com> - * simplify-rtx.c (simplify_relational_operation): Sign extend low words before sign extending to high words. diff --git a/gcc/recog.c b/gcc/recog.c index d88ac05..b0010ba 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -2332,6 +2332,7 @@ constrain_operands (strict) struct funny_match funny_match[MAX_RECOG_OPERANDS]; int funny_match_index; + which_alternative = 0; if (recog_data.n_operands == 0 || recog_data.n_alternatives == 0) return 1; @@ -2341,9 +2342,7 @@ constrain_operands (strict) matching_operands[c] = -1; } - which_alternative = 0; - - while (which_alternative < recog_data.n_alternatives) + do { register int opno; int lose = 0; @@ -2646,6 +2645,7 @@ constrain_operands (strict) which_alternative++; } + while (which_alternative < recog_data.n_alternatives); which_alternative = -1; /* If we are about to reject this, but we are not to test strictly, |