From f2c42ba4021387d016b678a7bec1f1bffb952cb4 Mon Sep 17 00:00:00 2001 From: Ken Raeburn Date: Thu, 28 Jul 1994 23:42:55 +0000 Subject: [PATCH] update doc for sparclite 934 opcode table changes --- include/opcode/sparc.h | 42 ++++++++++++++++++++---------------------- 1 file changed, 20 insertions(+), 22 deletions(-) diff --git a/include/opcode/sparc.h b/include/opcode/sparc.h index 316b6475e47..c8be2fe1921 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 */ -- 2.30.2