tcg/mips: Add use_mips32r6_instructions definition
Add definition use_mips32r6_instructions to the MIPS TCG backend which
is constant 1 when built for MIPS release 6. This will be used to decide
between pre-R6 and R6 instruction encodings.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1443788657-14537-4-git-send-email-james.hogan@imgtec.com>
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index f5ba52c..e579c10 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -96,6 +96,13 @@
extern bool use_mips32r2_instructions;
#endif
+/* MIPS32R6 instruction set detection */
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 6)
+#define use_mips32r6_instructions 1
+#else
+#define use_mips32r6_instructions 0
+#endif
+
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
