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[NDS32] Basic support for -mcpu= and --with-cpu= options.

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gcc/
	* config.gcc: Add --with-cpu support for nds32 target.
	* config/nds32/nds32-opts.h(nds32_cpu_type): New.
	* config/nds32/nds32.opt: Add -mcpu= option.

From-SVN: r257982
This commit is contained in:
Kito Cheng 2018-02-26 06:47:32 +00:00 committed by Chung-Ju Wu
parent a8a3f32d58
commit 7f3101c0a8
4 changed files with 37 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-02-26 Kito Cheng <kito.cheng@gmail.com>
* config.gcc: Add --with-cpu support for nds32 target.
* config/nds32/nds32-opts.h(nds32_cpu_type): New.
* config/nds32/nds32.opt: Add -mcpu= option.
2018-02-25 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.opt (mvrsave=no, mvrsave=yes, isel=no,

15
gcc/config.gcc
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@ -4265,7 +4265,7 @@ case "${target}" in
;;
nds32*-*-*)
supported_defaults="arch nds32_lib"
supported_defaults="arch cpu nds32_lib"
# process --with-arch
case "${with_arch}" in
@ -4278,6 +4278,19 @@ case "${target}" in
;;
esac
case "${with_cpu}" in
"")
with_cpu=n9
;;
n9)
# OK
;;
*)
echo "Cannot accept --with-cpu=$with_cpu, available values are: n9" 1>&2
exit 1
;;
esac
# process --with-nds32-lib
case "${with_nds32_lib}" in
"")

6
gcc/config/nds32/nds32-opts.h
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@ -40,4 +40,10 @@ enum nds32_cmodel_type
CMODEL_LARGE
};
/* The various ANDES CPU. */
enum nds32_cpu_type
{
CPU_N9
};
#endif

11
gcc/config/nds32/nds32.opt
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@ -119,6 +119,17 @@ Enum(nds32_cmodel_type) String(medium) Value(CMODEL_MEDIUM)
EnumValue
Enum(nds32_cmodel_type) String(large) Value(CMODEL_LARGE)
mcpu=
Target RejectNegative Joined Enum(nds32_cpu_type) Var(nds32_cpu_option) Init(CPU_N9)
Specify the cpu for pipeline model.
Enum
Name(nds32_cpu_type) Type(enum nds32_cpu_type)
Known cpu types (for use with the -mcpu= option):
EnumValue
Enum(nds32_cpu_type) String(n9) Value(CPU_N9)
mctor-dtor
Target Report
Enable constructor/destructor feature.