g2000-02-22 Andrew Haley <aph@cygnus.com>

	* mips.h: (OPCODE_IS_MEMBER): Add comment.

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index b95bb22..b5befb8 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2000-02-22  Andrew Haley  <aph@cygnus.com>
+
+       * mips.h: (OPCODE_IS_MEMBER): Add comment.
+
 1999-12-30  Andrew Haley  <aph@cygnus.com>
 
        * mips.h (OPCODE_IS_MEMBER): Add gp32 arg, which determines

diff --git a/include/opcode/mips.h b/include/opcode/mips.h
index 3f9207f..68fe57a 100644 (file)
--- a/include/opcode/mips.h
+++ b/include/opcode/mips.h
@@ -326,7 +326,10 @@ struct mips_opcode
 /* 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. */ 
+   to test, or zero if no CPU specific ISA test is desired.  
+   The gp32 arg is set when you need to force 32-bit register usage on
+   a machine with 64-bit registers; see the documentation under -mgp32
+   in the MIPS gas docs. */
 
 #define OPCODE_IS_MEMBER(insn,isa,cpu,gp32)                    \
     ((((insn)->membership & INSN_ISA) != 0                     \