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authorKen Raeburn <raeburn@cygnus>1994-07-28 23:42:55 +0000
committerKen Raeburn <raeburn@cygnus>1994-07-28 23:42:55 +0000
commitf2c42ba4021387d016b678a7bec1f1bffb952cb4 (patch)
tree4fc8406bec094659fef2ed52729e0c49d5a0b518
parent5e0a90a8d797507e203b910541d164992b0acf17 (diff)
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update doc for sparclite 934 opcode table changes
-rw-r--r--include/opcode/sparc.h42
1 files changed, 20 insertions, 22 deletions
diff --git a/include/opcode/sparc.h b/include/opcode/sparc.h
index 316b647..c8be2fe 100644
--- a/include/opcode/sparc.h
+++ b/include/opcode/sparc.h
@@ -1,5 +1,3 @@
-/* to sanitize this file, grep -v v9 < sparc.h > clean-sparc.h */
-
/* Definitions for opcode table for the sparc.
Copyright 1989, 1991, 1992 Free Software Foundation, Inc.
@@ -22,17 +20,13 @@ along with GAS or GDB; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* The SPARC opcode table (and other related data) is defined in
- the BFD library in opc-sparc.c. If you change anything here, make
+ the opcodes library in sparc-opc.c. If you change anything here, make
sure you fix up that file, and vice versa. */
/* FIXME-someday: perhaps the ,a's and such should be embedded in the
instruction's name rather than the args. This would make gas faster, pinsn
slower, but would mess up some macros a bit. xoxorich. */
-#if !defined(__STDC__) && !defined(const)
-#define const
-#endif
-
#define sparc_architecture bfd_sparc_architecture
#define architecture_pname bfd_sparc_architecture_pname
#define sparc_opcode bfd_sparc_opcode
@@ -69,6 +63,11 @@ struct sparc_opcode {
#define F_DELAYED 1 /* Delayed branch */
#define F_ALIAS 2 /* Alias for a "real" instruction */
+#define F_UNBR 4 /* Unconditional branch */
+#define F_CONDBR 8 /* Conditional branch */
+#define F_JSR 16 /* Subroutine call */
+/* FIXME: Add F_ANACHRONISTIC flag for v9. */
+/* FIXME: Add F_OBSOLETE flag for v9, for instructions that no longer exist? */
/*
@@ -92,9 +91,6 @@ Kinds of operands:
f frs2 floating point register.
B frs2 floating point register (double/even).
R frs2 floating point register (quad/multiple of 4).
- j frs3 floating point register. (v9)
- u frs3 floating point register. (double/even) (v9)
- U frs3 floating point register. (quad/multiple of 4) (v9)
g frsd floating point register.
H frsd floating point register (double/even).
J frsd floating point register (quad/multiple of 4).
@@ -104,7 +100,8 @@ Kinds of operands:
m alternate space register (asr) in rd
M alternate space register (asr) in rs1
h 22 high bits.
- K MEMBAR mask (4 bits). (v9)
+ K MEMBAR mask (7 bits). (v9)
+ j 10 bit Immediate. (v9)
I 11 bit Immediate. (v9)
i 13 bit Immediate.
n 22 bit immediate.
@@ -119,8 +116,8 @@ Kinds of operands:
p Processor state register.
N Branch predict clear ",pn" (v9)
T Branch predict set ",pt" (v9)
- z icc. (v9)
- Z xcc. (v9)
+ z %icc. (v9)
+ Z %xcc. (v9)
q Floating point queue.
r Single register that is both rs1 and rsd.
Q Coprocessor queue.
@@ -128,21 +125,22 @@ Kinds of operands:
t Trap base register.
w Window invalid mask register.
y Y register.
- Y %amr (v9?)
+ E %ccr. (v9)
+ s %fprs. (v9)
P %pc. (v9)
- E %modes. (v9)
W %tick. (v9)
- s %usr. (v9)
o %asi. (v9)
- 6 fcc0. (v9)
- 7 fcc1. (v9)
- 8 fcc2. (v9)
- 9 fcc3. (v9)
+ 6 %fcc0. (v9)
+ 7 %fcc1. (v9)
+ 8 %fcc2. (v9)
+ 9 %fcc3. (v9)
! Privileged Register in rd (v9)
? Privileged Register in rs1 (v9)
+ * Prefetch function constant. (v9)
+ x OPF field (v9 impdep).
The following chars are unused: (note: ,[] are used as punctuation)
-[osxOX3450]
+[uxOUXY3450]
*/
@@ -150,7 +148,7 @@ The following chars are unused: (note: ,[] are used as punctuation)
#define OP3(x) (((x)&0x3f) << 19) /* op3 field of format3 insns */
#define OP(x) ((unsigned)((x)&0x3) << 30) /* op field of all insns */
#define OPF(x) (((x)&0x1ff) << 5) /* opf field of float insns */
-#define OPF_LOW(x) OPF((x)&0xf) /* v9 */
+#define OPF_LOW5(x) OPF((x)&0x1f) /* v9 */
#define F3F(x, y, z) (OP(x) | OP3(y) | OPF(z)) /* format3 float insns */
#define F3I(x) (((x)&0x1) << 13) /* immediate field of format 3 insns */
#define F2(x, y) (OP(x) | OP2(y)) /* format 2 insns */