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install.texi: Docuemnt --with-mode.

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2006-03-17  Paul Brook  <paul@codesourcery.com>

	* doc/install.texi: Docuemnt --with-mode.
	* config.gcc: Add --with-mode for arm*-*-*.
	* config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".

From-SVN: r112174
This commit is contained in:
Paul Brook 2006-03-17 14:48:58 +00:00 committed by Paul Brook
parent 4241ecb002
commit 3cf9427949
4 changed files with 24 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-03-17 Paul Brook <paul@codesourcery.com>
* doc/install.texi: Docuemnt --with-mode.
* config.gcc: Add --with-mode for arm*-*-*.
* config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
* sh.c (max_labelno_before_reorg): New variable.

13
gcc/config.gcc
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@ -2564,7 +2564,7 @@ case "${target}" in
;;
arm*-*-*)
supported_defaults="arch cpu float tune fpu abi"
supported_defaults="arch cpu float tune fpu abi mode"
for which in cpu tune; do
# See if it matches any of the entries in arm-cores.def
eval "val=\$with_$which"
@ -2632,6 +2632,17 @@ case "${target}" in
;;
esac
case "$with_mode" in
"" \
| arm | thumb )
#OK
;;
*)
echo "Unknown mode used in --with-mode=$with_mode"
exit 1
;;
esac
if test "x$with_arch" != x && test "x$with_cpu" != x; then
echo "Warning: --with-arch overrides --with-cpu=$with_cpu" 1>&2
fi

3
gcc/config/arm/arm.h
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@ -220,7 +220,8 @@ extern GTY(()) rtx aof_pic_label;
{"float", \
"%{!msoft-float:%{!mhard-float:%{!mfloat-abi=*:-mfloat-abi=%(VALUE)}}}" }, \
{"fpu", "%{!mfpu=*:-mfpu=%(VALUE)}"}, \
{"abi", "%{!mabi=*:-mabi=%(VALUE)}"},
{"abi", "%{!mabi=*:-mabi=%(VALUE)}"}, \
{"mode", "%{!marm:%{!mthumb:-m%(VALUE)}}"},
/* Which floating point model to use. */
enum arm_fp_model

4
gcc/doc/install.texi
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@ -995,6 +995,10 @@ options and for @option{-mhard-float} or @option{-msoft-float}. As with
@option{--with-cpu}, which switches will be accepted and acceptable values
of the arguments depend on the target.
@item --with-mode=@var{mode}
Specify if the compiler should default to @option{-marm} or @option{-mthumb}.
This option is only supported on ARM targets.
@item --with-divide=@var{type}
Specify how the compiler should generate code for checking for
division by zero. This option is only supported on the MIPS target.