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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2008-05-14 12:24:43 +0000 |
|---|---|---|
| committer | Kenneth Zadeck <zadeck@gcc.gnu.org> | 2008-05-14 12:24:43 +0000 |
| commit | d70dcf2945e7e09446f3a03f1b12ced3543f9d33 (patch) | |
| tree | 1b9cd90a2e69bb7ed2a67500e6e2e2262544cf81 /gcc/doc | |
| parent | cc44abe6a5bedb27256cfb8b2c9d42c3873ceacd (diff) | |
| download | gcc-d70dcf2945e7e09446f3a03f1b12ced3543f9d33.zip gcc-d70dcf2945e7e09446f3a03f1b12ced3543f9d33.tar.gz gcc-d70dcf2945e7e09446f3a03f1b12ced3543f9d33.tar.bz2 | |
rtl.texi: Removed reference to REG_NO_CONFLICT notes.
2008-05-14 Kenneth Zadeck <zadeck@naturalbridge.com>
* doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
* optabs.c (expand_binop, expand_absneg_bit, expand_unop,
expand_copysign_bit, ): Change call to emit_no_conflict_block to
emit_insn and remove unneeded code to construct extra args.
(emit_no_conflict_block): Removed.
* optabls.h: (emit_no_conflict_block): Removed.
* cse.c (cse_extended_basic_block): Remove search for
REG_NO_CONFLICT note.
* global.c: Removed incorrect comment added in revision 117.
* expr.c (convert_move): Change call to emit_no_conflict_block to
emit_insn.
* recog.c: Change comments so that they do not mention
REG_NO_CONFLICT.
* local_alloc.c (combine_regs): Removed last parameter.
(no_conflict_p): Removed.
(block_alloc): Removed note, no_conflict_combined_regno and set
local vars. Removed all code to process REG_NO_CONFLICT blocks.
(combine_regs): Removed already_dead and code to look for
REG_NO_CONFLICT notes.
* lower_subreg (remove_retval_note): Removed code to look for
REG_NO_CONFLICT block.
(resolve_reg_notes): Removed REG_NO_CONFLICT case.
(resolve_clobber): Remove code to process libcalls that have
REG_NO_CONFLICT notes.
* loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
case.
* combine.c (can_combine_p, distribute_notes): Removed REG_NO_CONFLICT
case.
* config/cris/cris.md (movdi pattern): Changed
emit_no_conflict_block to emit_insns.
* config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
* config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
Ditto.
* reg-notes.def (NO_CONFLICT): Removed.
From-SVN: r135289
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/rtl.texi | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi index d698cee..96de365 100644 --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -3641,23 +3641,6 @@ instructions, such as the m68k dbra, can be matched. The @code{REG_NONNEG} note is added to insns only if the machine description has a @samp{decrement_and_branch_until_zero} pattern. -@findex REG_NO_CONFLICT -@item REG_NO_CONFLICT -This insn does not cause a conflict between @var{op} and the item -being set by this insn even though it might appear that it does. -In other words, if the destination register and @var{op} could -otherwise be assigned the same register, this insn does not -prevent that assignment. - -Insns with this note are usually part of a block that begins with a -@code{clobber} insn specifying a multi-word pseudo register (which will -be the output of the block), a group of insns that each set one word of -the value and have the @code{REG_NO_CONFLICT} note attached, and a final -insn that copies the output to itself with an attached @code{REG_EQUAL} -note giving the expression being computed. This block is encapsulated -with @code{REG_LIBCALL} and @code{REG_RETVAL} notes on the first and -last insns, respectively. - @findex REG_LABEL_OPERAND @item REG_LABEL_OPERAND This insn uses @var{op}, a @code{code_label} or a @code{note} of type |