diff options
Diffstat (limited to 'gas/doc/c-bfin.texi')
| -rw-r--r-- | gas/doc/c-bfin.texi | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gas/doc/c-bfin.texi b/gas/doc/c-bfin.texi index 31273e6..870e0db 100644 --- a/gas/doc/c-bfin.texi +++ b/gas/doc/c-bfin.texi @@ -37,7 +37,7 @@ is not used in assembler. It's here such that GCC can easily pass down its @code{-mcpu=} option. The assembler will issue an error message if an attempt is made to assemble an instruction which will not execute on the target processor. The following processor names are -recognized: +recognized: @code{bf504}, @code{bf506}, @code{bf512}, @@ -97,7 +97,7 @@ One instruction may extend across multiple lines or more than one instruction may appear on the same line. White space (space, tab, comments or newline) may appear anywhere between tokens. A token must not have embedded spaces. Tokens include numbers, register names, -keywords, user identifiers, and also some multicharacter special +keywords, user identifiers, and also some multicharacter special symbols like "+=", "/*" or "||". Comments are introduced by the @samp{#} character and extend to the @@ -109,7 +109,7 @@ this case the line can also be a logical line number directive @item Instruction Delimiting A semicolon must terminate every instruction. Sometimes a complete -instruction will consist of more than one operation. There are two +instruction will consist of more than one operation. There are two cases where this occurs. The first is when two general operations are combined. Normally a comma separates the different parts, as in @@ -136,9 +136,9 @@ R3.L, r3.l and r3.L are all equivalent input to the assembler. Register names are reserved and may not be used as program identifiers. -Some operations (such as "Move Register") require a register pair. +Some operations (such as "Move Register") require a register pair. Register pairs are always data registers and are denoted using a colon, -eg., R3:2. The larger number must be written firsts. Note that the +eg., R3:2. The larger number must be written firsts. Note that the hardware only supports odd-even pairs, eg., R7:6, R5:4, R3:2, and R1:0. Some instructions (such as --SP (Push Multiple)) require a group of @@ -147,7 +147,7 @@ the range enclosed in parentheses and separated by a colon, eg., (R7:3). Again, the larger number appears first. Portions of a particular register may be individually specified. This -is written with a dot (".") following the register name and then a +is written with a dot (".") following the register name and then a letter denoting the desired portion. For 32-bit registers, ".H" denotes the most significant ("High") portion. ".L" denotes the least-significant portion. The subdivisions of the 40-bit registers @@ -171,7 +171,7 @@ extend beyond bit 31. @item Data Registers The set of 32-bit registers (R0, R1, R2, R3, R4, R5, R6 and R7) that -normally contain data for manipulation. These are abbreviated as +normally contain data for manipulation. These are abbreviated as D-register or Dreg. Data registers can be accessed as 32-bit registers or as two independent 16-bit registers. The least significant 16 bits of each register is called the "low" half and is designated with ".L" |