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| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2003-04-30 12:03:35 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2003-04-30 10:03:35 +0000 |
| commit | b2a7fa89ee52438c78715ca70f236a5f348b35f2 (patch) | |
| tree | 8e055342cff5918d803db63ed5ca604cbb4ba7eb /gcc | |
| parent | ad03daf005bc47def67da627decbbdfc037e9522 (diff) | |
| download | gcc-b2a7fa89ee52438c78715ca70f236a5f348b35f2.zip gcc-b2a7fa89ee52438c78715ca70f236a5f348b35f2.tar.gz gcc-b2a7fa89ee52438c78715ca70f236a5f348b35f2.tar.bz2 | |
* function.c (purge_addressof_1): Postpone insn in fewer cases.
From-SVN: r66286
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/function.c | 16 |
2 files changed, 13 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a5604c1..c453b20 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2003-04-30 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * function.c (purge_addressof_1): Postpone insn in fewer cases. + 2003-04-29 Geoffrey Keating <geoffk@apple.com> * config/rs6000/host-darwin.c (segv_handler): When -dH is used, diff --git a/gcc/function.c b/gcc/function.c index c5c0d03..6e52d7e 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -3075,13 +3075,6 @@ purge_addressof_1 (loc, insn, force, store, may_postpone, ht) { rtx sub = XEXP (XEXP (x, 0), 0); - if (may_postpone) - { - if (!postponed_insns || XEXP (postponed_insns, 0) != insn) - postponed_insns = alloc_INSN_LIST (insn, postponed_insns); - return true; - } - if (GET_CODE (sub) == MEM) sub = adjust_address_nv (sub, GET_MODE (x), 0); else if (GET_CODE (sub) == REG @@ -3091,6 +3084,15 @@ purge_addressof_1 (loc, insn, force, store, may_postpone, ht) { int size_x, size_sub; + if (may_postpone) + { + /* Postpone for now, so that we do not emit bitfield arithmetics + unless there is some benefit from it. */ + if (!postponed_insns || XEXP (postponed_insns, 0) != insn) + postponed_insns = alloc_INSN_LIST (insn, postponed_insns); + return true; + } + if (!insn) { /* When processing REG_NOTES look at the list of |