diff options
Diffstat (limited to 'gcc/doc/md.texi')
| -rw-r--r-- | gcc/doc/md.texi | 65 |
1 files changed, 5 insertions, 60 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index 3ed88d02729..453741e6958 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -898,7 +898,7 @@ digit is used together with letters within the same alternative, the digit should come last. This number is allowed to be more than a single digit. If multiple -digits are encountered consecutavely, they are interpreted as a single +digits are encountered consecutively, they are interpreted as a single decimal integer. There is scant chance for ambiguity, since to-date it has never been desirable that @samp{10} be interpreted as matching either operand 1 @emph{or} operand 0. Should this be desired, one @@ -965,7 +965,7 @@ The machine description macro @code{REG_CLASS_FROM_LETTER} has first cut at the otherwise unused letters. If it evaluates to @code{NO_REGS}, then @code{EXTRA_CONSTRAINT} is evaluated. -A typical use for @code{EXTRA_CONSTRANT} would be to distinguish certain +A typical use for @code{EXTRA_CONSTRAINT} would be to distinguish certain types of memory references that affect other insn operands. @end ifset @end table @@ -1376,60 +1376,6 @@ An item in the constant pool A symbol in the text segment of the current file @end table -@item AMD 29000 family---@file{a29k.h} -@table @code -@item l -Local register 0 - -@item b -Byte Pointer (@samp{BP}) register - -@item q -@samp{Q} register - -@item h -Special purpose register - -@item A -First accumulator register - -@item a -Other accumulator register - -@item f -Floating point register - -@item I -Constant greater than 0, less than 0x100 - -@item J -Constant greater than 0, less than 0x10000 - -@item K -Constant whose high 24 bits are on (1) - -@item L -16-bit constant whose high 8 bits are on (1) - -@item M -32-bit constant whose high 16 bits are on (1) - -@item N -32-bit negative constant that fits in 8 bits - -@item O -The constant 0x80000000 or, on the 29050, any 32-bit constant -whose low 16 bits are 0. - -@item P -16-bit negative constant that fits in 8 bits - -@item G -@itemx H -A floating point constant (in @code{asm} statements, use the machine -independent @samp{E} or @samp{F} instead) -@end table - @item AVR family---@file{avr.h} @table @code @item l @@ -1609,7 +1555,7 @@ Second floating point register @samp{c} register @item C -Specifies constant that can be easilly constructed in SSE register without +Specifies constant that can be easily constructed in SSE register without loading it from memory. @item d @@ -2494,8 +2440,7 @@ Write the generated insn as a @code{parallel} with elements being a @code{set} of one register from the appropriate memory location (you may also need @code{use} or @code{clobber} elements). Use a @code{match_parallel} (@pxref{RTL Template}) to recognize the insn. See -@file{a29k.md} and @file{rs6000.md} for examples of the use of this insn -pattern. +@file{rs6000.md} for examples of the use of this insn pattern. @cindex @samp{store_multiple} instruction pattern @item @samp{store_multiple} @@ -5368,7 +5313,7 @@ The first one is a data dependence delay determining @dfn{instruction latency time}. The instruction execution is not started until all source data have been evaluated by prior instructions (there are more complex cases when the instruction execution starts even when the data -are not availaible but will be ready in given time after the +are not available but will be ready in given time after the instruction execution start). Taking the data dependence delays into account is simple. The data dependence (true, output, and anti-dependence) delay between two instructions is given by a |