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| author | Jeff Law <law@gcc.gnu.org> | 2000-08-15 09:27:11 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2000-08-15 09:27:11 -0600 |
| commit | 864bcaa7cf5acbb711a9fd68b2865b2ac036ccee (patch) | |
| tree | 57cc6bfd778d9916332a7c8d2c15ed158aa440cd | |
| parent | 980e2067790a3972283b3eab5923802ef92bc185 (diff) | |
| download | gcc-864bcaa7cf5acbb711a9fd68b2865b2ac036ccee.zip gcc-864bcaa7cf5acbb711a9fd68b2865b2ac036ccee.tar.gz gcc-864bcaa7cf5acbb711a9fd68b2865b2ac036ccee.tar.bz2 | |
cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
* cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
(cse_insn): Likewise.
(addr_affects_sp_p): Likewise.
* expr.c (move_by_pieces): Likewise.
(clear_by_pieces): Likewise.
* gcse.c (oprs_unchanged_p): Likewise.
* haifa-sched.c (sched_analyze_2): Likewise.
* recog.c (offsettable_address_p): Likewise.
* regclass.c (record_address_regs): Likewise.
* reload.c (find_reusable_reload): Likewise.
(push_reload): Likewise.
(operands_match_p): Likewise.
(decompose): Likewise.
(find_reloads_address_1): Likewise.
(find_inc_amount): Likewise.
* reload1.c (elimination_effects): Likewise.
* resource.c (mark_set_resources): Likewise.
* flow.c (attempt_auto_inc): New function; mostly broken out
of find_auto_inc.
(find_auto_inc): Split into two functions and enhanced to
generate POST_MODIFY.
* rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
* rtl.h (count_all_occurrences): Declare.
(HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
defined.
* rtlanal.c (count_all_occurrences): New function.
* tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
* config/ia64/ia64-protos.h (destination_operand): Declare.
* config/ia64/ia64.c (destination_operand): New function.
(ia64_print_operand): Handle POST_MODIFY.
(rtx_needs_barrier): Likewise.
* config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
(HAVE_POST_MODIFY_REG): Define to 1.
(MAX_REGS_PER_ADDRESS): Change to 2.
(GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
(LEGITIMATE_ADDRESS_REG): New helper macro.
(LEGITIMATE_ADDRESS_DISP): Likewise.
(PREDICATE_CODES): Add entry for destination_operand.
* config/ia64/ia64.md (all mov patterns): Use destination_operand
predicate for operand 0.
Restoring tm.texi after corruption.
From-SVN: r35713
| -rw-r--r-- | gcc/tm.texi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/tm.texi b/gcc/tm.texi index 6f714ad..468e8cf 100644 --- a/gcc/tm.texi +++ b/gcc/tm.texi @@ -4289,6 +4289,26 @@ A C expression that is nonzero the machine supports post-increment addressing. @itemx HAVE_PRE_DECREMENT Similar for other kinds of addressing. +@findex HAVE_POST_MODIFY_DISP +@item HAVE_POST_MODIFY_DISP +Define this macro if the machine supports post-modify addressing +with a constant displacement. + +@findex HAVE_PRE_MODIFY_DISP +@item HAVE_PRE_MODIFY_DISP +Define this macro if the machine supports pre-modify addressing +with a constant displacement. + +@findex HAVE_POST_MODIFY_REG +@item HAVE_POST_MODIFY_REG +Define this macro if the machine supports post-modify addressing +by the contents of a register. + +@findex HAVE_PRE_MODIFY_REG +@item HAVE_PRE_MODIFY_REG +Define this macro if the machine supports pre-modify addressing +by the contents of a register. + @findex CONSTANT_ADDRESS_P @item CONSTANT_ADDRESS_P (@var{x}) A C expression that is 1 if the RTX @var{x} is a constant which |