From 085ed399be8404e2c9bcad7b0a6d0960a236eeb2 Mon Sep 17 00:00:00 2001 From: Nathan Sidwell Date: Tue, 3 Jul 2007 07:54:19 +0000 Subject: gas/testsuite/ * gas/m68k/mcf-coproc.d: New. * gas/m68k/mcf-coproc.s: New. * gas/m68k/all.exp: Add it. gas/ * config/tc-m68k.c (m68k_ip): Add j & K operand types. (install_operand): Add E encoding. (md_begin): Check and skip initial '.' arg character. (get_num): Add 0..511 case. include/ * opcode/m68k.h: Document j K & E. opcodes/ * m68k-dis.c (fetch_arg): Add E. Replace length switch with direct masking. (print_ins_arg): Add j & K operand types. (match_insn_m68k): Check and skip initial '.' arg character. (m68k_scan_mask): Likewise. * m68k-opc.c (m68k_opcodes): Add coprocessor instructions. --- include/opcode/m68k.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'include/opcode') diff --git a/include/opcode/m68k.h b/include/opcode/m68k.h index 60bfb3a1b28..2dd6d3feda0 100644 --- a/include/opcode/m68k.h +++ b/include/opcode/m68k.h @@ -96,10 +96,15 @@ struct m68k_opcode_alias The args field is a string containing two characters for each operand of the instruction. The first specifies the kind of - operand; the second, the place it is stored. */ + operand; the second, the place it is stored. + + If the first char of args is '.', it indicates that the opcode is + two words. This is only necessary when the match field does not + have any bits set in the second opcode word. Such a '.' is skipped + for operand processing. */ /* Kinds of operands: - Characters used: AaBbCcDdEeFfGgHIiJkLlMmnOopQqRrSsTtU VvWwXxYyZz01234|*~%;@!&$?/<>#^+- + Characters used: AaBbCcDdEeFfGgHIiJjKkLlMmnOopQqRrSsTtUuVvWwXxYyZz01234|*~%;@!&$?/<>#^+- D data register only. Stored as 3 bits. A address register only. Stored as 3 bits. @@ -234,6 +239,8 @@ struct m68k_opcode_alias y (modes 2,5) z (modes 2,5,7.2) x mov3q immediate operand. + j coprocessor ET operand. + K coprocessor command number. 4 (modes 2,3,4,5) */ @@ -301,6 +308,7 @@ struct m68k_opcode_alias 7 second word, shifted 7 8 second word, shifted 10 9 second word, shifted 5 + E second word, shifted 9 D store in both place 1 and place 3; for divul and divsl. B first word, low byte, for branch displacements W second word (entire), for branch displacements -- cgit v1.2.1