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-rw-r--r--include/opcode/ChangeLog4
-rw-r--r--include/opcode/mips.h18
2 files changed, 22 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 63d2e83..ebf79dd 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+1999-11-01 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * mips.h (OPCODE_IS_MEMBER): New.
+
1999-10-29 Nick Clifton <nickc@cygnus.com>
* d30v.h (SHORT_AR): Define.
diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index f0a8c7e..07e0fd7 100644
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -319,6 +319,24 @@ struct mips_opcode
/* Toshiba R3900 instruction. */
#define INSN_3900 0x00000080
+/* Test for membership in an ISA including chip specific ISAs.
+ INSN is pointer to an element of the opcode table; ISA is the
+ specified ISA to test against; and CPU is the CPU specific ISA
+ to test, or zero if no CPU specific ISA test is desired. */
+
+#define OPCODE_IS_MEMBER(insn,isa,cpu) \
+ ((((insn)->membership & INSN_ISA) != 0 \
+ && ((insn)->membership & INSN_ISA) <= isa) \
+ || (cpu == 4650 \
+ && ((insn)->membership & INSN_4650) != 0) \
+ || (cpu == 4010 \
+ && ((insn)->membership & INSN_4010) != 0) \
+ || ((cpu == 4100 \
+ || cpu == 4111 \
+ ) \
+ && ((insn)->membership & INSN_4100) != 0) \
+ || (cpu == 3900 \
+ && ((insn)->membership & INSN_3900) != 0))
/* This is a list of macro expanded instructions.
*