@@ -45,6 +45,8 @@ along with GCC; see the file COPYING3. If not see
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC " -latomic "
#endif
+#define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
+
#define LINK_SPEC "\
-melf" XLEN_SPEC "lriscv \
%{shared} \
@@ -1429,7 +1429,13 @@
(match_operand 1 "pmode_register_operand")]
""
{
+#ifdef ICACHE_FLUSH_FUNC
+ emit_library_call (gen_rtx_SYMBOL_REF (Pmode, ICACHE_FLUSH_FUNC),
+ LCT_NORMAL, VOIDmode, 3, operands[0], Pmode,
+ operands[1], Pmode, const0_rtx, Pmode);
+#else
emit_insn (gen_fence_i ());
+#endif
DONE;
})