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Diffstat (limited to 'riscv/insns/c_sub.h')
-rw-r--r--riscv/insns/c_sub.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/riscv/insns/c_sub.h b/riscv/insns/c_sub.h
index 1b8e373..2a9d51b 100644
--- a/riscv/insns/c_sub.h
+++ b/riscv/insns/c_sub.h
@@ -1,2 +1,2 @@
-require_extension('C');
+require_extension(EXT_ZCA);
WRITE_RVC_RS1S(sext_xlen(RVC_RS1S - RVC_RS2S));