From d70dcf2945e7e09446f3a03f1b12ced3543f9d33 Mon Sep 17 00:00:00 2001 From: Kenneth Zadeck Date: Wed, 14 May 2008 12:24:43 +0000 Subject: rtl.texi: Removed reference to REG_NO_CONFLICT notes. 2008-05-14 Kenneth Zadeck * 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 --- gcc/doc/rtl.texi | 17 ----------------- 1 file changed, 17 deletions(-) (limited to 'gcc/doc') 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 -- cgit v1.1