doc: Document arm_v8_1m_main_cde_mve_fp

The arm_v8_1m_main_cde_mve_fp family of effective targets was not
documented when it was introduced.

2023-07-07  Christophe Lyon  <christophe.lyon@linaro.org>

	gcc/
	* doc/sourcebuild.texi (arm_v8_1m_main_cde_mve_fp): Document.

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 526020c751150cd74f766eb83eaf61de6f4374cf..ffb6eb1a48c6f914a31c8fe9eec0c828a23121f3 100644 (file)
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2186,10 +2186,16 @@ the Custom Datapath Extension (CDE) and floating-point (VFP).
 Some multilibs may be incompatible with these options.
 
 @item arm_v8_1m_main_cde_mve
-ARM target supports options to generate instructions from ARMv8.1-M with
+Arm target supports options to generate instructions from Arm.1-M with
 the Custom Datapath Extension (CDE) and M-Profile Vector Extension (MVE).
 Some multilibs may be incompatible with these options.
 
+@item arm_v8_1m_main_cde_mve_fp
+ARM target supports options to generate instructions from ARMv8.1-M
+with the Custom Datapath Extension (CDE) and M-Profile Vector
+Extension (MVE) with floating-point support.  Some multilibs may be
+incompatible with these options.
+
 @item arm_pacbti_hw
 Test system supports executing Pointer Authentication and Branch Target
 Identification instructions.