From ff3d99fb37d0cc106507af9c4ab35ebd947934b9 Mon Sep 17 00:00:00 2001 From: Jason Eckhardt Date: Wed, 9 Aug 2000 03:33:41 +0000 Subject: gas: 2000-08-08 Jason Eckhardt * config/tc-i860.h: Rework completely for BFD_ASSEMBLER. (i860_fix_info): New enum. (MD_APPLY_FIX3): Define. (WORKING_DOT_WORD): Define. (TC_HANDLES_FX_DONE): Define. (DIFF_EXPR_OK): Define. (LISTING_HEADER): Define. (TARGET_FORMAT): Select target format based on endian flag. (TARGET_BYTES_BIG_ENDIAN): Default to little endian. (target_big_endian): Add external declaration. * config/tc-i860.c: All existing code reworked completely. Other new code shown below. (SYNTAX_SVR4): Define. (target_warn_expand): New variable. (md_shortopts): Declare and define (-Qy, -Qn, and -V options). (md_longopts): Declare and define with new options (-EL, -EB, and -mwarn-expand). (md_show_usage): New function. (md_operand): New function. (obtain_reloc_for_imm16): New function. (md_apply_fix3): New function. (tc_gen_reloc): New function. include: 2000-08-08 Jason Eckhardt * opcode/i860.h: Small formatting adjustments. opcode: 2000-08-08 Jason Eckhardt * i860-dis.c (print_br_address): Change third argument from int to long. bfd: 2000-08-08 Jason Eckhardt * elf32-i860.c (elf32_i860_howto_table): Updated some fields. --- include/ChangeLog | 4 ++++ include/opcode/i860.h | 58 +++++++++++++++++++++++++-------------------------- 2 files changed, 33 insertions(+), 29 deletions(-) diff --git a/include/ChangeLog b/include/ChangeLog index 9d249b2c8..6f570ac95 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,7 @@ +2000-08-08 Jason Eckhardt + + * opcode/i860.h: Small formatting adjustments. + 2000-07-29 Nick Clifton * os9k.h: Add copyright notice. diff --git a/include/opcode/i860.h b/include/opcode/i860.h index dda439e9a..7b24d2f09 100644 --- a/include/opcode/i860.h +++ b/include/opcode/i860.h @@ -15,32 +15,36 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GAS or GDB; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ -#if !defined(__STDC__) && !defined(const) -#define const -#endif -/* - * Structure of an opcode table entry. - */ +/* Structure of an opcode table entry. */ struct i860_opcode { + /* The opcode name. */ const char *name; - unsigned long match; /* Bits that must be set. */ - unsigned long lose; /* Bits that must not be set. */ + + /* Bits that must be set. */ + unsigned long match; + + /* Bits that must not be set. */ + unsigned long lose; + const char *args; + /* Nonzero if this is a possible expand-instruction. */ char expand; }; + enum expand_type { E_MOV = 1, E_ADDR, E_U32, E_AND, E_S32, E_DELAY }; -/* - All i860 opcodes are 32 bits, except for the pseudoinstructions + +/* All i860 opcodes are 32 bits, except for the pseudo-instructions and the operations utilizing a 32-bit address expression, an unsigned 32-bit constant, or a signed 32-bit constant. These opcodes are expanded into a two-instruction sequence for @@ -83,21 +87,18 @@ Kinds of operands: U split 16 bit immediate, aligned 2^2. (st.l) e src1 floating point register. f src2 floating point register. - g dest floating point register. - -*/ + g dest floating point register. */ -/* The order of the opcodes in this table is significant: - - * The assembler requires that all instances of the same mnemonic must be - consecutive. If they aren't, the assembler will bomb at runtime. - * The disassembler should not care about the order of the opcodes. */ +/* The order of the opcodes in this table is significant. The assembler + requires that all instances of the same mnemonic must be consecutive. + If they aren't, the assembler will not function properly. + + The order of opcodes does not affect the disassembler. */ static struct i860_opcode i860_opcodes[] = { - -/* REG-Format Instructions */ +/* REG-Format Instructions. */ { "ld.c", 0x30000000, 0xcc000000, "c,d", 0 }, /* ld.c csrc2,idest */ { "ld.b", 0x00000000, 0xfc000000, "1(2),d", 0 }, /* ld.b isrc1(isrc2),idest */ { "ld.b", 0x04000000, 0xf8000000, "I(2),d", E_ADDR }, /* ld.b #const(isrc2),idest */ @@ -212,7 +213,7 @@ static struct i860_opcode i860_opcodes[] = { "bnc", 0x78000000, 0x84000000, "l", 0 }, /* bnc lbroff */ { "bnc.t", 0x7c000000, 0x80000000, "l", E_DELAY }, /* bnc.t lbroff */ -/* Floating Point Escape Instruction Format - pfam.p fsrc1,fsrc2,fdest */ +/* Floating Point Escape Instruction Format - pfam.p fsrc1,fsrc2,fdest. */ { "r2p1.ss", 0x48000400, 0xb40001ff, "e,f,g", 0 }, { "r2p1.sd", 0x48000480, 0xb400017f, "e,f,g", 0 }, { "r2p1.dd", 0x48000580, 0xb400007f, "e,f,g", 0 }, @@ -262,7 +263,7 @@ static struct i860_opcode i860_opcodes[] = { "m12tpa.sd", 0x4800048f, 0xb4000170, "e,f,g", 0 }, { "m12tpa.dd", 0x4800058f, 0xb4000070, "e,f,g", 0 }, -/* Floating Point Escape Instruction Format - pfsm.p fsrc1,fsrc2,fdest */ +/* Floating Point Escape Instruction Format - pfsm.p fsrc1,fsrc2,fdest. */ { "r2s1.ss", 0x48000410, 0xb40001ef, "e,f,g", 0 }, { "r2s1.sd", 0x48000490, 0xb400016f, "e,f,g", 0 }, { "r2s1.dd", 0x48000590, 0xb400006f, "e,f,g", 0 }, @@ -312,7 +313,7 @@ static struct i860_opcode i860_opcodes[] = { "m12tsa.sd", 0x4800049f, 0xb4000160, "e,f,g", 0 }, { "m12tsa.dd", 0x4800059f, 0xb4000060, "e,f,g", 0 }, -/* Floating Point Escape Instruction Format - pfmam.p fsrc1,fsrc2,fdest */ +/* Floating Point Escape Instruction Format - pfmam.p fsrc1,fsrc2,fdest. */ { "mr2p1.ss", 0x48000000, 0xb40005ff, "e,f,g", 0 }, { "mr2p1.sd", 0x48000080, 0xb400057f, "e,f,g", 0 }, { "mr2p1.dd", 0x48000180, 0xb400047f, "e,f,g", 0 }, @@ -359,7 +360,7 @@ static struct i860_opcode i860_opcodes[] = { "mim1p2.sd", 0x4800008e, 0xb4000571, "e,f,g", 0 }, { "mim1p2.dd", 0x4800018e, 0xb4000471, "e,f,g", 0 }, -/* Floating Point Escape Instruction Format - pfmsm.p fsrc1,fsrc2,fdest */ +/* Floating Point Escape Instruction Format - pfmsm.p fsrc1,fsrc2,fdest. */ { "mr2s1.ss", 0x48000010, 0xb40005ef, "e,f,g", 0 }, { "mr2s1.sd", 0x48000090, 0xb400056f, "e,f,g", 0 }, { "mr2s1.dd", 0x48000190, 0xb400046f, "e,f,g", 0 }, @@ -406,7 +407,6 @@ static struct i860_opcode i860_opcodes[] = { "mim1s2.sd", 0x4800009e, 0xb4000561, "e,f,g", 0 }, { "mim1s2.dd", 0x4800019e, 0xb4000461, "e,f,g", 0 }, - { "fmul.ss", 0x48000020, 0xb40005df, "e,f,g", 0 }, /* fmul.p fsrc1,fsrc2,fdest */ { "fmul.sd", 0x480000a0, 0xb400055f, "e,f,g", 0 }, /* fmul.p fsrc1,fsrc2,fdest */ { "fmul.dd", 0x480001a0, 0xb400045f, "e,f,g", 0 }, /* fmul.p fsrc1,fsrc2,fdest */ @@ -447,10 +447,10 @@ static struct i860_opcode i860_opcodes[] = { "pfamov.ds", 0x48000533, 0xb40000cc, "e,g", 0 }, /* pfamov.p fsrc1,fdest */ { "pfamov.sd", 0x480004b3, 0xb400014c, "e,g", 0 }, /* pfamov.p fsrc1,fdest */ { "pfamov.dd", 0x480005b3, 0xb400004c, "e,g", 0 }, /* pfamov.p fsrc1,fdest */ -/* pfgt has R bit cleared; pfle has R bit set */ +/* Opcode pfgt has R bit cleared; pfle has R bit set. */ { "pfgt.ss", 0x48000434, 0xb40001cb, "e,f,g", 0 }, /* pfgt.p fsrc1,fsrc2,fdest */ { "pfgt.dd", 0x48000534, 0xb40000cb, "e,f,g", 0 }, /* pfgt.p fsrc1,fsrc2,fdest */ -/* pfgt has R bit cleared; pfle has R bit set */ +/* Opcode pfgt has R bit cleared; pfle has R bit set. */ { "pfle.ss", 0x480004b4, 0xb400014b, "e,f,g", 0 }, /* pfle.p fsrc1,fsrc2,fdest */ { "pfle.dd", 0x480005b4, 0xb400004b, "e,f,g", 0 }, /* pfle.p fsrc1,fsrc2,fdest */ { "pfeq.ss", 0x48000435, 0xb40001ca, "e,f,g", 0 }, /* pfeq.p fsrc1,fsrc2,fdest */ @@ -481,7 +481,7 @@ static struct i860_opcode i860_opcodes[] = { "form", 0x480001da, 0xb4000425, "e,g", 0 }, /* form fsrc1,fdest */ { "pform", 0x480005da, 0xb4000025, "e,g", 0 }, /* pform fsrc1,fdest */ -/* Floating point pseudo-instructions */ +/* Floating point pseudo-instructions. */ { "fmov.ss", 0x48000049, 0xb7e005b6, "e,g", 0 }, /* fiadd.ss fsrc1,f0,fdest */ { "fmov.dd", 0x480001c9, 0xb7e00436, "e,g", 0 }, /* fiadd.dd fsrc1,f0,fdest */ { "fmov.sd", 0x480000b0, 0xb7e0054f, "e,g", 0 }, /* fadd.sd fsrc1,f0,fdest */ -- cgit v1.2.3