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tm.texi (USE_LOAD_POST_DECREMENT, [...]): Document.
* tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT, USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document. (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT, USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation. * rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT, USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT, USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT, USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default definition. * expr.c: (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT, USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default definition. From-SVN: r26134
This commit is contained in:
Michael Hayes
Michael Hayes
parent
8f0327178b
commit
6e01bd94f8
@ -1,3 +1,20 @@
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Sat Apr 3 11:37:20 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
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* tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
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USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
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(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
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USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
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* rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
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USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
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USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
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USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
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definition.
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* expr.c: (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
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USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
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definition.
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Fri Apr 2 16:03:05 1999 Jeffrey A Law (law@cygnus.com)
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* fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
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20
gcc/expr.c
20
gcc/expr.c
@ -1402,26 +1402,6 @@ convert_modes (mode, oldmode, x, unsignedp)
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#define MOVE_MAX_PIECES MOVE_MAX
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#endif
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/* Some architectures do not have complete pre/post increment/decrement
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instruction sets, or only move some modes efficiently. these macros
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allow us to fine tune move_by_pieces for these targets. */
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#ifndef USE_LOAD_POST_INCREMENT
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#define USE_LOAD_POST_INCREMENT(MODE) HAVE_POST_INCREMENT
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#endif
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#ifndef USE_LOAD_PRE_DECREMENT
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#define USE_LOAD_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
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#endif
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#ifndef USE_STORE_POST_INCREMENT
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#define USE_STORE_POST_INCREMENT(MODE) HAVE_POST_INCREMENT
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#endif
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#ifndef USE_STORE_PRE_DECREMENT
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#define USE_STORE_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
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#endif
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/* Generate several move instructions to copy LEN bytes
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from block FROM to block TO. (These are MEM rtx's with BLKmode).
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The caller must pass FROM and TO
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38
gcc/rtl.h
38
gcc/rtl.h
@ -755,6 +755,44 @@ extern char *note_insn_name[];
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#define HAVE_POST_DECREMENT 0
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#endif
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/* Some architectures do not have complete pre/post increment/decrement
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instruction sets, or only move some modes efficiently. These macros
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allow us to tune autoincrement generation. */
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#ifndef USE_LOAD_POST_INCREMENT
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#define USE_LOAD_POST_INCREMENT(MODE) HAVE_POST_INCREMENT
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#endif
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#ifndef USE_LOAD_POST_DECREMENT
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#define USE_LOAD_POST_DECREMENT(MODE) HAVE_POST_DECREMENT
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#endif
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#ifndef USE_LOAD_PRE_INCREMENT
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#define USE_LOAD_PRE_INCREMENT(MODE) HAVE_PRE_INCREMENT
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#endif
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#ifndef USE_LOAD_PRE_DECREMENT
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#define USE_LOAD_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
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#endif
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#ifndef USE_STORE_POST_INCREMENT
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#define USE_STORE_POST_INCREMENT(MODE) HAVE_POST_INCREMENT
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#endif
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#ifndef USE_STORE_POST_DECREMENT
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#define USE_STORE_POST_DECREMENT(MODE) HAVE_POST_DECREMENT
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#endif
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#ifndef USE_STORE_PRE_INCREMENT
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#define USE_STORE_PRE_INCREMENT(MODE) HAVE_PRE_INCREMENT
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#endif
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#ifndef USE_STORE_PRE_DECREMENT
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#define USE_STORE_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
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#endif
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/* Accessors for RANGE_INFO. */
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/* For RANGE_{START,END} notes return the RANGE_START note. */
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#define RANGE_INFO_NOTE_START(INSN) (XEXP (INSN, 0))
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52
gcc/tm.texi
52
gcc/tm.texi
@ -4777,37 +4777,61 @@ If you don't define this, a reasonable default is used.
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@item MOVE_BY_PIECES_P (@var{size}, @var{alignment})
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A C expression used to determine whether @code{move_by_pieces} will be used to
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copy a chunk of memory, or whether some other block move mechanism
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will be used. Defaults to 1 if @code{move_by_pieces_ninsns} returns less
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will be used. Defaults to 1 if @code{move_by_pieces_ninsns} returns less
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than @code{MOVE_RATIO}.
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@findex MOVE_MAX_PIECES
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@item MOVE_MAX_PIECES
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A C expression used by @code{move_by_pieces} to determine the largest unit
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a load or store used to copy memory is. Defaults to @code{MOVE_MAX}.
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a load or store used to copy memory is. Defaults to @code{MOVE_MAX}.
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@findex USE_LOAD_POST_INCREMENT
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@item USE_LOAD_POST_INCREMENT (@var{mode})
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A C expression used to determine whether a load postincrement is
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a good thing for @code{move_by_pieces} to use for a given mode. Defaults
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to the value of @code{HAVE_POST_INCREMENT}.
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A C expression used to determine whether a load postincrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_POST_INCREMENT}.
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@findex USE_LOAD_POST_DECREMENT
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@item USE_LOAD_POST_DECREMENT (@var{mode})
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A C expression used to determine whether a load postdecrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_POST_DECREMENT}.
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@findex USE_LOAD_PRE_INCREMENT
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@item USE_LOAD_PRE_INCREMENT (@var{mode})
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A C expression used to determine whether a load preincrement is
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a good thing for @code{move_by_pieces} to use for a given mode. Defaults
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to the value of @code{HAVE_PRE_INCREMENT}.
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A C expression used to determine whether a load preincrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_PRE_INCREMENT}.
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@findex USE_LOAD_PRE_DECREMENT
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@item USE_LOAD_PRE_DECREMENT (@var{mode})
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A C expression used to determine whether a load predecrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_PRE_DECREMENT}.
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@findex USE_STORE_POST_INCREMENT
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@item USE_STORE_POST_INCREMENT (@var{mode})
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A C expression used to determine whether a store postincrement is
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a good thing for @code{move_by_pieces} to use for a given mode. Defaults
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to the value of @code{HAVE_POST_INCREMENT}.
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A C expression used to determine whether a store postincrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_POST_INCREMENT}.
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@findex USE_STORE_POST_DECREMENT
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@item USE_STORE_POST_DECREMENT (@var{mode})
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A C expression used to determine whether a store postdeccrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_POST_DECREMENT}.
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@findex USE_STORE_PRE_INCREMENT
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@item USE_STORE_PRE_INCREMENT (@var{mode})
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This macro is used to determine whether a store preincrement is
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a good thing for @code{move_by_pieces} to use for a given mode. Defaults
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to the value of @code{HAVE_PRE_INCREMENT}.
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This macro is used to determine whether a store preincrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_PRE_INCREMENT}.
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@findex USE_STORE_PRE_DECREMENT
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@item USE_STORE_PRE_DECREMENT (@var{mode})
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This macro is used to determine whether a store predecrement is a good
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thing to use for a given mode. Defaults to the value of
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@code{HAVE_PRE_DECREMENT}.
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@findex NO_FUNCTION_CSE
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@item NO_FUNCTION_CSE
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