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-rw-r--r--riscv/insns/gorc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/riscv/insns/gorc.h b/riscv/insns/gorc.h
index 097ba9b..08e7e67 100644
--- a/riscv/insns/gorc.h
+++ b/riscv/insns/gorc.h
@@ -1,4 +1,4 @@
-require_extension('B');
+require_extension(EXT_XBITMANIP);
reg_t x = RS1;
int shamt = RS2 & (xlen-1);
if (shamt & 1) x |= ((x & 0x5555555555555555LL) << 1) | ((x & 0xAAAAAAAAAAAAAAAALL) >> 1);