-@c Copyright 1997, 2002, 2003 Free Software Foundation, Inc.
+@c Copyright (C) 1997-2018 Free Software Foundation, Inc.
@c This is part of the GAS manual.
@c For copying conditions, see the file as.texinfo.
architecture, together with support routines only used by the V850E
architecture.
+@cindex @code{-mv850e2} command line option, V850
+@item -mv850e2
+Specifies that the assembled code should be marked as being targeted at
+the V850E2 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
+@cindex @code{-mv850e2v3} command line option, V850
+@item -mv850e2v3
+Specifies that the assembled code should be marked as being targeted at
+the V850E2V3 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
+@cindex @code{-mv850e2v4} command line option, V850
+@item -mv850e2v4
+This is an alias for @option{-mv850e3v5}.
+
+@cindex @code{-mv850e3v5} command line option, V850
+@item -mv850e3v5
+Specifies that the assembled code should be marked as being targeted at
+the V850E3V5 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
@cindex @code{-mrelax} command line option, V850
@item -mrelax
Enables relaxation. This allows the .longcall and .longjump pseudo
assembler will then flag these sections of code and the linker will
attempt to relax them.
-@end table
+@cindex @code{-mgcc-abi} command line option, V850
+@item -mgcc-abi
+Marks the generated object file as supporting the old GCC ABI.
+
+@cindex @code{-mrh850-abi} command line option, V850
+@item -mrh850-abi
+Marks the generated object file as supporting the RH850 ABI. This is
+the default.
+
+@cindex @code{-m8byte-align} command line option, V850
+@item -m8byte-align
+Marks the generated object file as supporting a maximum 64-bits of
+alignment for variables defined in the source code.
+
+@cindex @code{-m4byte-align} command line option, V850
+@item -m4byte-align
+Marks the generated object file as supporting a maximum 32-bits of
+alignment for variables defined in the source code. This is the
+default.
+
+@cindex @code{-msoft-float} command line option, V850
+@item -msoft-float
+Marks the generated object file as not using any floating point
+instructions - and hence can be linked with other V850 binaries
+that do or do not use floating point. This is the default for
+binaries for architectures earlier than the @code{e2v3}.
+
+@cindex @code{-mhard-float} command line option, V850
+@item -mhard-float
+Marks the generated object file as one that uses floating point
+instructions - and hence can only be linked with other V850 binaries
+that use the same kind of floating point instructions, or with
+binaries that do not use floating point at all. This is the default
+for binaries the @code{e2v3} and later architectures.
+@end table
@node V850 Syntax
@section Syntax
@cindex line comment character, V850
@cindex V850 line comment character
-@samp{#} is the line comment character.
+@samp{#} is the line comment character. If a @samp{#} appears as the
+first character of a line, the whole line is treated as a comment, but
+in this case the line can also be a logical line number directive
+(@pxref{Comments}) or a preprocessor control command
+(@pxref{Preprocessing}).
+
+Two dashes (@samp{--}) can also be used to start a line comment.
+
+@cindex line separator, V850
+@cindex statement separator, V850
+@cindex V850 line separator
+
+The @samp{;} character can be used to separate statements on the same
+line.
+
@node V850-Regs
@subsection Register Names
@table @code
@cindex @code{offset} directive, V850
@item .offset @var{<expression>}
-Moves the offset into the current section to the specified amount.
+Moves the offset into the current section to the specified amount.
@cindex @code{section} directive, V850
@item .section "name", <type>
This is an extension to the standard .section directive. It sets the
current section to be <type> and creates an alias for this section
-called "name".
+called "name".
@cindex @code{.v850} directive, V850
@item .v850
the V850E1 processor. This allows the linker to detect attempts to link
such code with code assembled for other processors.
+@cindex @code{.v850e2} directive, V850
+@item .v850e2
+Specifies that the assembled code should be marked as being targeted at
+the V850E2 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
+@cindex @code{.v850e2v3} directive, V850
+@item .v850e2v3
+Specifies that the assembled code should be marked as being targeted at
+the V850E2V3 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
+@cindex @code{.v850e2v4} directive, V850
+@item .v850e2v4
+Specifies that the assembled code should be marked as being targeted at
+the V850E3V5 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
+@cindex @code{.v850e3v5} directive, V850
+@item .v850e3v5
+Specifies that the assembled code should be marked as being targeted at
+the V850E3V5 processor. This allows the linker to detect attempts to link
+such code with code assembled for other processors.
+
@end table
@node V850 Opcodes
computes the difference between the address of labels 'here' and
'there', takes the upper 16 bits of this difference, shifts it down 16
-bits and then mutliplies it by the lower 16 bits in register 5, putting
-the result into register 6.
+bits and then multiplies it by the lower 16 bits in register 5, putting
+the result into register 6.
@cindex @code{lo} pseudo-op, V850
@item lo()
@samp{mov hilo(here), r6}
computes the absolute address of label 'here' and puts the result into
-register 6.
+register 6.
@cindex @code{sdaoff} pseudo-op, V850
@item sdaoff()
Computes the offset of the named variable from the start of the Small
-Data Area (whoes address is held in register 4, the GP register) and
+Data Area (whose address is held in register 4, the GP register) and
stores the result as a 16 bit signed value in the immediate operand
-field of the given instruction. For example:
+field of the given instruction. For example:
@samp{ld.w sdaoff(_a_variable)[gp],r6}
@cindex @code{tdaoff} pseudo-op, V850
@item tdaoff()
Computes the offset of the named variable from the start of the Tiny
-Data Area (whoes address is held in register 30, the EP register) and
+Data Area (whose address is held in register 30, the EP register) and
stores the result as a 4,5, 7 or 8 bit unsigned value in the immediate
operand field of the given instruction. For example:
@cindex @code{ctoff} pseudo-op, V850
@item ctoff()
Computes the offset of the named variable from the start of the Call
-Table Area (whoes address is helg in system register 20, the CTBP
+Table Area (whose address is held in system register 20, the CTBP
register) and stores the result a 6 or 16 bit unsigned value in the
immediate field of then given instruction or piece of data. For
example:
@samp{callt ctoff(table_func1)}
-will put the call the function whoes address is held in the call table
+will put the call the function whose address is held in the call table
at the location labeled 'table_func1'.
@cindex @code{longcall} pseudo-op, V850
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