aarch64: Add Linux kernel hwcap string for FEAT_CSSC

The Linux kernel has done basic enablement and detection of FEAT_CSSC so
we can use the cpuinfo string that they've specified.

This patchlet does that.

Bootstrapped and tested on aarch64-none-linux-gnu.

gcc/ChangeLog:

	* config/aarch64/aarch64-option-extensions.def (cssc): Specify
	FEATURE_STRING field.

diff --git a/gcc/config/aarch64/aarch64-option-extensions.def b/gcc/config/aarch64/aarch64-option-extensions.def
index 36c1fbb..825f3bf 100644 (file)
--- a/gcc/config/aarch64/aarch64-option-extensions.def
+++ b/gcc/config/aarch64/aarch64-option-extensions.def
@@ -149,6 +149,6 @@ AARCH64_OPT_EXTENSION("ls64", LS64, (), (), (), "")
 
 AARCH64_OPT_EXTENSION("mops", MOPS, (), (), (), "")
 
-AARCH64_OPT_EXTENSION("cssc", CSSC, (), (), (), "")
+AARCH64_OPT_EXTENSION("cssc", CSSC, (), (), (), "cssc")
 
 #undef AARCH64_OPT_EXTENSION