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authorJames Hogan <james.hogan@imgtec.com>2015-10-02 13:24:14 +0100
committerRichard Henderson <rth@twiddle.net>2015-10-19 11:04:38 -1000
commitce14bd4d469f3a14f6cbfceb6360aee066a60d72 (patch)
treecec343b5326f31d69954c6dd94bdb933dfc94a67
parentd76f36535099b5d3d880c5e3ac1d411420c8a086 (diff)
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>
-rw-r--r--tcg/mips/tcg-target.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index f5ba52cacf..e579c10b9a 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -96,6 +96,13 @@ extern bool use_mips32_instructions;
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