diff options
| author | Jeffrey A Law <law@cygnus.com> | 1999-10-16 08:54:07 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-10-16 02:54:07 -0600 |
| commit | 706c5c2fdc06e8e9f3be219b5d41464204fd6c35 (patch) | |
| tree | c976a223e7c4ddaed359d255ee0027bc70a48623 /gcc | |
| parent | c2d88e8417438b9e905c098d2540ccad235cf8d3 (diff) | |
| download | gcc-706c5c2fdc06e8e9f3be219b5d41464204fd6c35.zip gcc-706c5c2fdc06e8e9f3be219b5d41464204fd6c35.tar.gz gcc-706c5c2fdc06e8e9f3be219b5d41464204fd6c35.tar.bz2 | |
haifa-sched.c (compute_block_forward_dependencies): Only check for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
* haifa-sched.c (compute_block_forward_dependencies): Only check
for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
From-SVN: r30042
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/haifa-sched.c | 17 |
2 files changed, 17 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fdae41b..0676b06 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com) + + * haifa-sched.c (compute_block_forward_dependencies): Only check + for notes, deleted insns and duplicates if ENABLE_CHECKING is defined. + Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com> * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET. diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 3d1bd29..5e4c1ba 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -6093,11 +6093,18 @@ compute_block_forward_dependences (bb) if (x != XEXP (link, 0)) continue; - /* Ignore dependences upon deleted insn. */ - if (GET_CODE (x) == NOTE || INSN_DELETED_P (x)) - continue; - if (find_insn_list (insn, INSN_DEPEND (x))) - continue; +#ifdef ENABLE_CHECKING + /* If add_dependence is working properly there should never + be notes, deleted insns or duplicates in the backward + links. Thus we need not check for them here. + + However, if we have enabled checking we might as well go + ahead and verify that add_dependence worked properly. */ + if (GET_CODE (x) == NOTE + || INSN_DELETED_P (x) + || find_insn_list (insn, INSN_DEPEND (x))) + abort (); +#endif new_link = alloc_INSN_LIST (insn, INSN_DEPEND (x)); |