doc, rx: Clean up RX options documentation [PR122243]

gcc/ChangeLog
	PR other/122243
	* config/rx/rx.opt (mgcc-abi, mrx-abi): Mark as Undocumented.
	* doc/invoke.texi (Option Summary) <RX Options>: Remove redundant
	entries for -mno-forms, correct name of -msmall-data-limit option,
	add -mlra, clean up formatting.
	(RX Options): Minor copy-editing, add -mlra.

diff --git a/gcc/config/rx/rx.opt b/gcc/config/rx/rx.opt
index 36abd54a40d057acdf5c11d5ec164405aba70734..5caad4873892d00a5e38eb2ba56d301c2a4e46dd 100644 (file)
--- a/gcc/config/rx/rx.opt
+++ b/gcc/config/rx/rx.opt
@@ -119,11 +119,11 @@ Warn when multiple, different, fast interrupt handlers are in the compilation un
 ;---------------------------------------------------
 
 mgcc-abi
-Target RejectNegative Mask(GCC_ABI)
+Target Undocumented RejectNegative Mask(GCC_ABI)
 Enable the use of the old, broken, ABI where all stacked function arguments are aligned to 32-bits.
 
 mrx-abi
-Target RejectNegative InverseMask(GCC_ABI)
+Target Undocumented RejectNegative InverseMask(GCC_ABI)
 Enable the use the standard RX ABI where all stacked function arguments are naturally aligned.  This is the default.
 
 ;---------------------------------------------------

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 5003f3e962491c9a8e45b79f32efc4bfb096fda6..71b3871eba5811abdcb421e4be0aaf1dd69c46b4 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -1391,19 +1391,14 @@ See RS/6000 and PowerPC Options.
 
 @emph{RX Options} (@ref{RX Options})
 @gccoptlist{-m64bit-doubles  -m32bit-doubles  -fpu  -nofpu
--mcpu=
+-mcpu=@var{name}
 -mbig-endian-data  -mlittle-endian-data
--msmall-data
--msim  -mno-sim
--mas100-syntax  -mno-as100-syntax
--mrelax
--mmax-constant-size=
--mint-register=
--mpid
--mallow-string-insns  -mno-allow-string-insns
--mjsr
--mno-warn-multiple-fast-interrupts
--msave-acc-in-interrupts}
+-msmall-data-limit=@var{N}
+-msim  -mas100-syntax  -mrelax
+-mmax-constant-size=@var{N}  -mint-register=@var{N}
+-mpid  -mno-allow-string-insns  -mjsr
+-mno-warn-multiple-fast-interrupts  -msave-acc-in-interrupts
+-mlra}
 
 @emph{S/390 and zSeries Options} (@ref{S/390 and zSeries Options})
 @gccoptlist{-mtune=@var{cpu-type}  -march=@var{cpu-type}
@@ -33755,7 +33750,7 @@ format.
 @opindex msmall-data-limit
 @item -msmall-data-limit=@var{N}
 Specifies the maximum size in bytes of global and static variables
-which can be placed into the small data area.  Using the small data
+that can be placed into the small data area.  Using the small data
 area can lead to smaller and faster code, but the size of area is
 limited and it is up to the programmer to ensure that the area does
 not overflow.  Also when the small data area is used one of the RX's
@@ -33832,7 +33827,7 @@ makes the interrupt handlers faster.
 @opindex mno-pid
 @item -mpid
 @itemx -mno-pid
-Enables the generation of position independent data.  When enabled any
+Enables the generation of position-independent data.  When enabled, any
 access to constant data is done via an offset from a base address
 held in a register.  This allows the location of constant data to be
 determined at run time without requiring the executable to be
@@ -33896,6 +33891,12 @@ Use only (or not only) @code{JSR} instructions to access functions.
 This option can be used when code size exceeds the range of @code{BSR}
 instructions.  Note that @option{-mno-jsr} does not mean to not use
 @code{JSR} but instead means that any type of branch may be used.
+
+@opindex mlra
+@opindex mno-lra
+@item -mlra
+Use the new LRA register allocator.  By default, the old ``reload''
+allocator is used.
 @end table
 
 @emph{Note:} The generic GCC command-line option @option{-ffixed-@var{reg}}