Merge pull request #4462 from martin-frbg/issue4449

Use +sve in arch declarations of the fallback paths for SVE targets

Makefile.arm64

@@ -116,13 +116,13 @@ endif
 endif
 endif
 else
-CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72
+CCOMMON_OPT += -march=armv8.2-a+sve -mtune=cortex-a72
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72
 endif
 endif
 else
-CCOMMON_OPT += -march=armv8-a -mtune=cortex-a72
+CCOMMON_OPT += -march=armv8-a+sve -mtune=cortex-a72
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8-a -mtune=cortex-a72
 endif
@@ -138,7 +138,7 @@ ifeq (1, $(filter 1,$(GCCMINORVERSIONGTEQ4) $(GCCVERSIONGTEQ11) $(ISCLANG)))
 ifneq ($(OSNAME), Darwin)
 CCOMMON_OPT += -march=armv8.5-a+sve+sve2+bf16 -mtune=neoverse-n2
 else
-CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72
+CCOMMON_OPT += -march=armv8.2-a+sve -mtune=cortex-a72
 endif
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.5-a+sve+sve2+bf16 -mtune=neoverse-n2
@@ -156,13 +156,13 @@ endif
 endif
 endif
 else
-CCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72
+CCOMMON_OPT += -march=armv8.2-a+sve -mtune=cortex-a72
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8.2-a -mtune=cortex-a72
 endif
 endif
 else
-CCOMMON_OPT += -march=armv8-a -mtune=cortex-a72
+CCOMMON_OPT += -march=armv8-a+sve -mtune=cortex-a72
 ifneq ($(F_COMPILER), NAG)
 FCOMMON_OPT += -march=armv8-a -mtune=cortex-a72
 endif