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authorDavid Edelsohn <dje.gcc@gmail.com>1996-02-21 04:47:16 +0000
committerDavid Edelsohn <dje.gcc@gmail.com>1996-02-21 04:47:16 +0000
commit8c3f315e6ab90e47687bc9e843af4f3a4232fde7 (patch)
tree516538a39883f48f9aab72c64dc7c6aa1fc62651 /include
parent8a25c34c7ac84c803b6a90955e708faf08439f48 (diff)
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* sparc.h (sparc_{encode,decode}_sparclet_cpreg): Declare.
Mark operand letters uU as in use.
Diffstat (limited to 'include')
-rw-r--r--include/opcode/ChangeLog13
-rw-r--r--include/opcode/sparc.h44
2 files changed, 40 insertions, 17 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index 9b6579d..477c300 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,16 @@
+Tue Feb 20 20:46:21 1996 Doug Evans <dje@charmed.cygnus.com>
+
+ * sparc.h (sparc_{encode,decode}_sparclet_cpreg): Declare.
+ Mark operand letters uU as in use.
+
+Mon Feb 19 01:59:08 1996 Doug Evans <dje@charmed.cygnus.com>
+
+ * sparc.h (sparc_opcode_arch_val): Add SPARC_OPCODE_ARCH_SPARCLET.
+ (sparc_opcode_arch): Delete member `conflicts'. Add `supported'.
+ (SPARC_OPCODE_SUPPORTED): New macro.
+ (SPARC_OPCODE_CONFLICT_P): Rewrite.
+ (F_NOTV9): Delete.
+
Fri Feb 16 12:23:34 1996 Jeffrey A Law (law@cygnus.com)
* sparc.h (sparc_opcode_lookup_arch) Make return type in
diff --git a/include/opcode/sparc.h b/include/opcode/sparc.h
index f5713ba..d60c554 100644
--- a/include/opcode/sparc.h
+++ b/include/opcode/sparc.h
@@ -33,13 +33,12 @@ Boston, MA 02111-1307, USA. */
returns non-zero.
The values are indices into `sparc_opcode_archs' defined in sparc-opc.c.
Don't change this without updating sparc-opc.c. */
-/* ??? May wish to allow for anonymous architectures for variants that have
- a common but unnamed subset. */
enum sparc_opcode_arch_val {
SPARC_OPCODE_ARCH_V6 = 0,
SPARC_OPCODE_ARCH_V7,
SPARC_OPCODE_ARCH_V8,
+ SPARC_OPCODE_ARCH_SPARCLET,
SPARC_OPCODE_ARCH_SPARCLITE,
/* v9 variants must appear last */
SPARC_OPCODE_ARCH_V9,
@@ -54,28 +53,38 @@ enum sparc_opcode_arch_val {
struct sparc_opcode_arch {
const char *name;
- int conflicts;
+ /* Mask of sparc_opcode_arch_val's supported.
+ EG: For v7 this would be ((1 << v6) | (1 << v7)). */
+ /* These are short's because sparc_opcode.architecture is. */
+ short supported;
};
extern const struct sparc_opcode_arch sparc_opcode_archs[];
-extern const enum sparc_opcode_arch_val sparc_opcode_lookup_arch ();
+/* Given architecture name, look up it's sparc_opcode_arch_val value. */
+extern enum sparc_opcode_arch_val sparc_opcode_lookup_arch ();
-/* Non-zero if ARCH1 conflicts with ARCH2. */
+/* Return the bitmask of supported architectures for ARCH. */
+#define SPARC_OPCODE_SUPPORTED(ARCH) (sparc_opcode_archs[ARCH].supported)
+/* Non-zero if ARCH1 conflicts with ARCH2.
+ IE: ARCH1 as a supported bit set that ARCH2 doesn't, and vice versa. */
#define SPARC_OPCODE_CONFLICT_P(ARCH1, ARCH2) \
-((1 << (ARCH1)) & sparc_opcode_archs[ARCH2].conflicts)
+(((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \
+ != SPARC_OPCODE_SUPPORTED (ARCH1)) \
+ && ((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \
+ != SPARC_OPCODE_SUPPORTED (ARCH2)))
/* Structure of an opcode table entry. */
struct sparc_opcode {
- const char *name;
- unsigned long match; /* Bits that must be set. */
- unsigned long lose; /* Bits that must not be set. */
- const char *args;
- /* This was called "delayed" in versions before the flags. */
- char flags;
- enum sparc_opcode_arch_val architecture;
+ const char *name;
+ unsigned long match; /* Bits that must be set. */
+ unsigned long lose; /* Bits that must not be set. */
+ const char *args;
+ /* This was called "delayed" in versions before the flags. */
+ char flags;
+ short architecture; /* Bitmask of sparc_opcode_arch_val's. */
};
#define F_DELAYED 1 /* Delayed branch */
@@ -83,9 +92,6 @@ struct sparc_opcode {
#define F_UNBR 4 /* Unconditional branch */
#define F_CONDBR 8 /* Conditional branch */
#define F_JSR 16 /* Subroutine call */
-/* ??? One can argue this shouldn't be here and the architecture
- field should be used instead. */
-#define F_NOTV9 32 /* Doesn't exist in v9 */
/* FIXME: Add F_ANACHRONISTIC flag for v9. */
/*
@@ -144,6 +150,8 @@ Kinds of operands:
t Trap base register.
w Window invalid mask register.
y Y register.
+ u sparclet coprocessor registers in rd position
+ U sparclet coprocessor registers in rs1 position
E %ccr. (v9)
s %fprs. (v9)
P %pc. (v9)
@@ -159,7 +167,7 @@ Kinds of operands:
x OPF field (v9 impdep).
The following chars are unused: (note: ,[] are used as punctuation)
-[uOUXY3450]
+[OXY3450]
*/
@@ -198,6 +206,8 @@ int sparc_encode_membar ();
char *sparc_decode_membar ();
int sparc_encode_prefetch ();
char *sparc_decode_prefetch ();
+int sparc_encode_sparclet_cpreg ();
+char *sparc_decode_sparclet_cpreg ();
/*
* Local Variables: