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authorNathan Sidwell <nathan@codesourcery.com>2007-07-03 07:54:19 +0000
committerNathan Sidwell <nathan@codesourcery.com>2007-07-03 07:54:19 +0000
commitafa2158f09569ac8c57c27a001d6221e8c6bd39f (patch)
treea72eb9d405614d00cc12499577d717befbd84613 /include/opcode/m68k.h
parentae4a729bff61b571c63a35ffa265d321cf8f9c89 (diff)
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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.
Diffstat (limited to 'include/opcode/m68k.h')
-rw-r--r--include/opcode/m68k.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/opcode/m68k.h b/include/opcode/m68k.h
index 60bfb3a..2dd6d3f 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