arm: Add CDE options for star-mc1 cpu

This patch adds the CDE options support for the -mcpu=star-mc1.
The star-mc1 is an Armv8-m Mainline CPU supporting CDE feature.

gcc/ChangeLog:

	* config/arm/arm-cpus.in (star-mc1): Add CDE options.
	* doc/invoke.texi (cdecp options): Document for star-mc1.

Signed-off-by: Qingxin Zhong <arvin.zhong@armchina.com>

diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in
index 451b15fe9f9321aee6b5df23e2b43abe34cdeeed..5c12ffb807ba2abfc06156644dfe208647f6f1c6 100644 (file)
--- a/gcc/config/arm/arm-cpus.in
+++ b/gcc/config/arm/arm-cpus.in
@@ -1689,6 +1689,14 @@ begin cpu star-mc1
  architecture armv8-m.main+dsp+fp
  option nofp remove ALL_FP
  option nodsp remove armv7em
+ option cdecp0 add cdecp0
+ option cdecp1 add cdecp1
+ option cdecp2 add cdecp2
+ option cdecp3 add cdecp3
+ option cdecp4 add cdecp4
+ option cdecp5 add cdecp5
+ option cdecp6 add cdecp6
+ option cdecp7 add cdecp7
  isa quirk_no_asmcpu quirk_vlldm
  costs v7m
 end cpu star-mc1

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 78ead0e494e16a262b07e8e78567e1607e9b1be7..e85a1495b70ffb1f24e823325c711ecaefd6b868 100644 (file)
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -23760,7 +23760,8 @@ on @samp{cortex-m52} and @samp{cortex-m85}.
 
 @item +nomve
 Disable the M-Profile Vector Extension (MVE) integer and single precision
-floating-point instructions on @samp{cortex-m52}, @samp{cortex-m55} and @samp{cortex-m85}.
+floating-point instructions on @samp{cortex-m52}, @samp{cortex-m55} and
+@samp{cortex-m85}.
 
 @item +nomve.fp
 Disable the M-Profile Vector Extension (MVE) single precision floating-point
@@ -23768,7 +23769,8 @@ instructions on @samp{cortex-m52}, @samp{cortex-m55} and @samp{cortex-m85}.
 
 @item +cdecp0, +cdecp1, ... , +cdecp7
 Enable the Custom Datapath Extension (CDE) on selected coprocessors according
-to the numbers given in the options in the range 0 to 7 on @samp{cortex-m52} and @samp{cortex-m55}.
+to the numbers given in the options in the range 0 to 7 on @samp{cortex-m52},
+@samp{cortex-m55} and @samp{star-mc1}.
 
 @item  +nofp
 Disables the floating-point instructions on @samp{arm9e},