diff --git a/meta/conf/machine/include/riscv/arch-riscv.inc b/meta/conf/machine/include/riscv/arch-riscv.inc
index e5611a12a6..230a266563 100644
--- a/meta/conf/machine/include/riscv/arch-riscv.inc
+++ b/meta/conf/machine/include/riscv/arch-riscv.inc
@@ -7,6 +7,8 @@ TUNE_PKGARCH = "${TUNE_PKGARCH:tune-${DEFAULTTUNE}}"
 TUNE_CCARGS:append = "${@bb.utils.contains('TUNE_FEATURES', 'riscv64nf', ' -mabi=lp64', ' ', d)}"
 TUNE_CCARGS:append = "${@bb.utils.contains('TUNE_FEATURES', 'riscv32nf', ' -mabi=ilp32', ' ', d)}"
 
+TUNE_CCARGS:append = "${@bb.utils.contains('TUNE_FEATURES', 'riscv64nc', ' -march=rv64imafd', ' ', d)}"
+
 # Fix: ld: unrecognized option '--hash-style=sysv'
 LINKER_HASH_STYLE:libc-newlib = ""
 # Fix: ld: unrecognized option '--hash-style=gnu'
diff --git a/meta/conf/machine/include/riscv/tune-riscv.inc b/meta/conf/machine/include/riscv/tune-riscv.inc
index cc2896f277..659801496c 100644
--- a/meta/conf/machine/include/riscv/tune-riscv.inc
+++ b/meta/conf/machine/include/riscv/tune-riscv.inc
@@ -6,6 +6,8 @@ TUNEVALID[riscv32] = "Enable 32-bit RISC-V optimizations"
 TUNEVALID[riscv64nf] = "Enable 64-bit RISC-V optimizations no floating point"
 TUNEVALID[riscv32nf] = "Enable 32-bit RISC-V optimizations no floating point"
 
+TUNEVALID[riscv64nc] = "Enable 64-bit RISC-V optimizations without compressed instructions"
+
 TUNEVALID[bigendian] = "Big endian mode"
 
 AVAILTUNES += "riscv64 riscv32 riscv64nf riscv32nf"
@@ -31,3 +33,9 @@ TUNE_FEATURES:tune-riscv32nf = "${TUNE_FEATURES:tune-riscv32} riscv32nf"
 TUNE_ARCH:tune-riscv32nf = "riscv32"
 TUNE_PKGARCH:tune-riscv32nf = "riscv32nf"
 PACKAGE_EXTRA_ARCHS:tune-riscv32nf = "riscv32nf"
+
+# no compressed
+TUNE_FEATURES:tune-riscv64nc = "${TUNE_FEATURES:tune-riscv64} riscv64nc"
+TUNE_ARCH:tune-riscv64nc = "riscv64"
+TUNE_PKGARCH:tune-riscv64nc = "riscv64nc"
+PACKAGE_EXTRA_ARCHS:tune-riscv64nc = "riscv64nc"