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authorK. Richard Pixley <rich@cygnus>1991-07-24 23:44:07 +0000
committerK. Richard Pixley <rich@cygnus>1991-07-24 23:44:07 +0000
commitac61496ccd946524bf75229cb67dfa14fc9c8b14 (patch)
tree39c8f62e8db998defbbf7fef4261317e0ad682ae /include/m68k-opcode.h
parentad248080bd6659817cc25d003504944d27acedb6 (diff)
downloadgdb-ac61496ccd946524bf75229cb67dfa14fc9c8b14.zip
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Re-merged m68k support for gas.
Diffstat (limited to 'include/m68k-opcode.h')
-rwxr-xr-xinclude/m68k-opcode.h262
1 files changed, 135 insertions, 127 deletions
diff --git a/include/m68k-opcode.h b/include/m68k-opcode.h
index 24dfb5b..47ace90 100755
--- a/include/m68k-opcode.h
+++ b/include/m68k-opcode.h
@@ -17,25 +17,7 @@ You should have received a copy of the GNU General Public License
along with GDB or GAS; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-/*
-$Id$
-$Log$
-Revision 1.1 1991/05/19 00:19:41 rich
-Initial revision
-
- * Revision 1.1.1.1 1991/03/21 21:26:44 gumby
- * Back from Intel with Steve
- *
- * Revision 1.1 1991/03/21 21:26:43 gumby
- * Initial revision
- *
- * Revision 1.1 1991/03/13 00:33:57 chrisb
- * Initial revision
- *
- * Revision 1.1 1991/02/22 16:48:06 sac
- * Initial revision
- *
-*/
+
struct m68k_opcode
{
char *name;
@@ -178,10 +160,13 @@ struct m68k_opcode
7 second word, shifted 7
8 second word, shifted 10
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
+ L second and third words (entire), for branch displacements
b second word, low byte
- w second word (entire)
+ w second word (entire) [variable word/long branch offset for dbra]
l second and third word (entire)
- g branch offset for bra and similar instructions.
+ g variable branch offset for bra and similar instructions.
The place to store depends on the magnitude of offset.
t store in both place 7 and place 8; for floating point operations
c branch offset for cpBcc operations.
@@ -289,20 +274,64 @@ struct m68k_opcode m68k_opcodes[] =
{"asrw", one(0160140), one(0170770), "DdDs"},
{"asrw", one(0160300), one(0177700), "~s"}, /* Shift memory */
-{"bhi", one(0061000), one(0177400), "Bg"},
-{"bls", one(0061400), one(0177400), "Bg"},
-{"bcc", one(0062000), one(0177400), "Bg"},
-{"bcs", one(0062400), one(0177400), "Bg"},
-{"bne", one(0063000), one(0177400), "Bg"},
-{"beq", one(0063400), one(0177400), "Bg"},
-{"bvc", one(0064000), one(0177400), "Bg"},
-{"bvs", one(0064400), one(0177400), "Bg"},
-{"bpl", one(0065000), one(0177400), "Bg"},
-{"bmi", one(0065400), one(0177400), "Bg"},
-{"bge", one(0066000), one(0177400), "Bg"},
-{"blt", one(0066400), one(0177400), "Bg"},
-{"bgt", one(0067000), one(0177400), "Bg"},
-{"ble", one(0067400), one(0177400), "Bg"},
+/* Fixed-size branches with 16-bit offsets */
+
+{"bhi", one(0061000), one(0177777), "BW"},
+{"bls", one(0061400), one(0177777), "BW"},
+{"bcc", one(0062000), one(0177777), "BW"},
+{"bcs", one(0062400), one(0177777), "BW"},
+{"bne", one(0063000), one(0177777), "BW"},
+{"beq", one(0063400), one(0177777), "BW"},
+{"bvc", one(0064000), one(0177777), "BW"},
+{"bvs", one(0064400), one(0177777), "BW"},
+{"bpl", one(0065000), one(0177777), "BW"},
+{"bmi", one(0065400), one(0177777), "BW"},
+{"bge", one(0066000), one(0177777), "BW"},
+{"blt", one(0066400), one(0177777), "BW"},
+{"bgt", one(0067000), one(0177777), "BW"},
+{"ble", one(0067400), one(0177777), "BW"},
+{"bra", one(0060000), one(0177777), "BW"},
+{"bsr", one(0060400), one(0177777), "BW"},
+
+/* Fixed-size branches with short (byte) offsets */
+
+{"bhis", one(0061000), one(0177400), "BB"},
+{"blss", one(0061400), one(0177400), "BB"},
+{"bccs", one(0062000), one(0177400), "BB"},
+{"bcss", one(0062400), one(0177400), "BB"},
+{"bnes", one(0063000), one(0177400), "BB"},
+{"beqs", one(0063400), one(0177400), "BB"},
+{"bvcs", one(0064000), one(0177400), "BB"},
+{"bvss", one(0064400), one(0177400), "BB"},
+{"bpls", one(0065000), one(0177400), "BB"},
+{"bmis", one(0065400), one(0177400), "BB"},
+{"bges", one(0066000), one(0177400), "BB"},
+{"blts", one(0066400), one(0177400), "BB"},
+{"bgts", one(0067000), one(0177400), "BB"},
+{"bles", one(0067400), one(0177400), "BB"},
+{"bras", one(0060000), one(0177400), "BB"},
+{"bsrs", one(0060400), one(0177400), "BB"},
+
+/* Fixed-size branches with long (32-bit) offsets */
+
+{"bhil", one(0061377), one(0177777), "BL"},
+{"blsl", one(0061777), one(0177777), "BL"},
+{"bccl", one(0062377), one(0177777), "BL"},
+{"bcsl", one(0062777), one(0177777), "BL"},
+{"bnel", one(0063377), one(0177777), "BL"},
+{"beql", one(0063777), one(0177777), "BL"},
+{"bvcl", one(0064377), one(0177777), "BL"},
+{"bvsl", one(0064777), one(0177777), "BL"},
+{"bpll", one(0065377), one(0177777), "BL"},
+{"bmil", one(0065777), one(0177777), "BL"},
+{"bgel", one(0066377), one(0177777), "BL"},
+{"bltl", one(0066777), one(0177777), "BL"},
+{"bgtl", one(0067377), one(0177777), "BL"},
+{"blel", one(0067777), one(0177777), "BL"},
+{"bral", one(0060377), one(0177777), "BL"},
+{"bsrl", one(0060777), one(0177777), "BL"},
+
+/* We now return you to our regularly scheduled instruction set */
{"bchg", one(0000500), one(0170700), "Dd$s"},
{"bchg", one(0004100), one(0177700), "#b$s"},
@@ -322,10 +351,6 @@ struct m68k_opcode m68k_opcodes[] =
{"btst", one(0004000), one(0177700), "#b@s"},
{"bkpt", one(0044110), one(0177770), "Qs"},
-{"bra", one(0060000), one(0177400), "Bg"},
-{"bras", one(0060000), one(0177400), "Bw"},
-{"bsr", one(0060400), one(0177400), "Bg"},
-{"bsrs", one(0060400), one(0177400), "Bw"},
{"callm", one(0003300), one(0177700), "#b!s"},
{"cas2l", two(0007374, 0), two(0177777, 0107070), "D3D6D2D5R1R4"}, /* JF FOO this is really a 3 word ins */
@@ -751,38 +776,75 @@ struct m68k_opcode m68k_opcodes[] =
{"fatanhx", two(0xF000, 0x480D), two(0xF1C0, 0xFC7F), "Ii;xF7"},
{"fatanhx", two(0xF000, 0x000D), two(0xF1C0, 0xE07F), "IiFt"},
-{"fbeq", one(0xF081), one(0xF1BF), "IdBc"},
-{"fbf", one(0xF080), one(0xF1BF), "IdBc"},
-{"fbge", one(0xF093), one(0xF1BF), "IdBc"},
-{"fbgl", one(0xF096), one(0xF1BF), "IdBc"},
-{"fbgle", one(0xF097), one(0xF1BF), "IdBc"},
-{"fbgt", one(0xF092), one(0xF1BF), "IdBc"},
-{"fble", one(0xF095), one(0xF1BF), "IdBc"},
-{"fblt", one(0xF094), one(0xF1BF), "IdBc"},
-{"fbne", one(0xF08E), one(0xF1BF), "IdBc"},
-{"fbnge", one(0xF09C), one(0xF1BF), "IdBc"},
-{"fbngl", one(0xF099), one(0xF1BF), "IdBc"},
-{"fbngle", one(0xF098), one(0xF1BF), "IdBc"},
-{"fbngt", one(0xF09D), one(0xF1BF), "IdBc"},
-{"fbnle", one(0xF09A), one(0xF1BF), "IdBc"},
-{"fbnlt", one(0xF09B), one(0xF1BF), "IdBc"},
-{"fboge", one(0xF083), one(0xF1BF), "IdBc"},
-{"fbogl", one(0xF086), one(0xF1BF), "IdBc"},
-{"fbogt", one(0xF082), one(0xF1BF), "IdBc"},
-{"fbole", one(0xF085), one(0xF1BF), "IdBc"},
-{"fbolt", one(0xF084), one(0xF1BF), "IdBc"},
-{"fbor", one(0xF087), one(0xF1BF), "IdBc"},
-{"fbseq", one(0xF091), one(0xF1BF), "IdBc"},
-{"fbsf", one(0xF090), one(0xF1BF), "IdBc"},
-{"fbsne", one(0xF09E), one(0xF1BF), "IdBc"},
-{"fbst", one(0xF09F), one(0xF1BF), "IdBc"},
-{"fbt", one(0xF08F), one(0xF1BF), "IdBc"},
-{"fbueq", one(0xF089), one(0xF1BF), "IdBc"},
-{"fbuge", one(0xF08B), one(0xF1BF), "IdBc"},
-{"fbugt", one(0xF08A), one(0xF1BF), "IdBc"},
-{"fbule", one(0xF08D), one(0xF1BF), "IdBc"},
-{"fbult", one(0xF08C), one(0xF1BF), "IdBc"},
-{"fbun", one(0xF088), one(0xF1BF), "IdBc"},
+/* Fixed-size Float branches */
+
+{"fbeq", one(0xF081), one(0xF1BF), "IdBW"},
+{"fbf", one(0xF080), one(0xF1BF), "IdBW"},
+{"fbge", one(0xF093), one(0xF1BF), "IdBW"},
+{"fbgl", one(0xF096), one(0xF1BF), "IdBW"},
+{"fbgle", one(0xF097), one(0xF1BF), "IdBW"},
+{"fbgt", one(0xF092), one(0xF1BF), "IdBW"},
+{"fble", one(0xF095), one(0xF1BF), "IdBW"},
+{"fblt", one(0xF094), one(0xF1BF), "IdBW"},
+{"fbne", one(0xF08E), one(0xF1BF), "IdBW"},
+{"fbnge", one(0xF09C), one(0xF1BF), "IdBW"},
+{"fbngl", one(0xF099), one(0xF1BF), "IdBW"},
+{"fbngle", one(0xF098), one(0xF1BF), "IdBW"},
+{"fbngt", one(0xF09D), one(0xF1BF), "IdBW"},
+{"fbnle", one(0xF09A), one(0xF1BF), "IdBW"},
+{"fbnlt", one(0xF09B), one(0xF1BF), "IdBW"},
+{"fboge", one(0xF083), one(0xF1BF), "IdBW"},
+{"fbogl", one(0xF086), one(0xF1BF), "IdBW"},
+{"fbogt", one(0xF082), one(0xF1BF), "IdBW"},
+{"fbole", one(0xF085), one(0xF1BF), "IdBW"},
+{"fbolt", one(0xF084), one(0xF1BF), "IdBW"},
+{"fbor", one(0xF087), one(0xF1BF), "IdBW"},
+{"fbseq", one(0xF091), one(0xF1BF), "IdBW"},
+{"fbsf", one(0xF090), one(0xF1BF), "IdBW"},
+{"fbsne", one(0xF09E), one(0xF1BF), "IdBW"},
+{"fbst", one(0xF09F), one(0xF1BF), "IdBW"},
+{"fbt", one(0xF08F), one(0xF1BF), "IdBW"},
+{"fbueq", one(0xF089), one(0xF1BF), "IdBW"},
+{"fbuge", one(0xF08B), one(0xF1BF), "IdBW"},
+{"fbugt", one(0xF08A), one(0xF1BF), "IdBW"},
+{"fbule", one(0xF08D), one(0xF1BF), "IdBW"},
+{"fbult", one(0xF08C), one(0xF1BF), "IdBW"},
+{"fbun", one(0xF088), one(0xF1BF), "IdBW"},
+
+/* Float branches -- long (32-bit) displacements */
+
+{"fbeql", one(0xF081), one(0xF1BF), "IdBC"},
+{"fbfl", one(0xF080), one(0xF1BF), "IdBC"},
+{"fbgel", one(0xF093), one(0xF1BF), "IdBC"},
+{"fbgll", one(0xF096), one(0xF1BF), "IdBC"},
+{"fbglel", one(0xF097), one(0xF1BF), "IdBC"},
+{"fbgtl", one(0xF092), one(0xF1BF), "IdBC"},
+{"fblel", one(0xF095), one(0xF1BF), "IdBC"},
+{"fbltl", one(0xF094), one(0xF1BF), "IdBC"},
+{"fbnel", one(0xF08E), one(0xF1BF), "IdBC"},
+{"fbngel", one(0xF09C), one(0xF1BF), "IdBC"},
+{"fbngll", one(0xF099), one(0xF1BF), "IdBC"},
+{"fbnglel", one(0xF098), one(0xF1BF), "IdBC"},
+{"fbngtl", one(0xF09D), one(0xF1BF), "IdBC"},
+{"fbnlel", one(0xF09A), one(0xF1BF), "IdBC"},
+{"fbnltl", one(0xF09B), one(0xF1BF), "IdBC"},
+{"fbogel", one(0xF083), one(0xF1BF), "IdBC"},
+{"fbogll", one(0xF086), one(0xF1BF), "IdBC"},
+{"fbogtl", one(0xF082), one(0xF1BF), "IdBC"},
+{"fbolel", one(0xF085), one(0xF1BF), "IdBC"},
+{"fboltl", one(0xF084), one(0xF1BF), "IdBC"},
+{"fborl", one(0xF087), one(0xF1BF), "IdBC"},
+{"fbseql", one(0xF091), one(0xF1BF), "IdBC"},
+{"fbsfl", one(0xF090), one(0xF1BF), "IdBC"},
+{"fbsnel", one(0xF09E), one(0xF1BF), "IdBC"},
+{"fbstl", one(0xF09F), one(0xF1BF), "IdBC"},
+{"fbtl", one(0xF08F), one(0xF1BF), "IdBC"},
+{"fbueql", one(0xF089), one(0xF1BF), "IdBC"},
+{"fbugel", one(0xF08B), one(0xF1BF), "IdBC"},
+{"fbugtl", one(0xF08A), one(0xF1BF), "IdBC"},
+{"fbulel", one(0xF08D), one(0xF1BF), "IdBC"},
+{"fbultl", one(0xF08C), one(0xF1BF), "IdBC"},
+{"fbunl", one(0xF088), one(0xF1BF), "IdBC"},
{"fcmpb", two(0xF000, 0x5838), two(0xF1C0, 0xFC7F), "Ii;bF7"},
{"fcmpd", two(0xF000, 0x5438), two(0xF1C0, 0xFC7F), "Ii;FF7"},
@@ -1087,18 +1149,6 @@ struct m68k_opcode m68k_opcodes[] =
{"fsave", one(0xF100), one(0xF1C0), "Id&s"},
{"fsave", one(0xF120), one(0xF1F8), "Id-s"},
-{"fsincosb", two(0xF000, 0x5830), two(0xF1C0, 0xFC78), "Ii;bF7FC"},
-{"fsincosd", two(0xF000, 0x5430), two(0xF1C0, 0xFC78), "Ii;FF7FC"},
-{"fsincosl", two(0xF000, 0x4030), two(0xF1C0, 0xFC78), "Ii;lF7FC"},
-{"fsincosp", two(0xF000, 0x4C30), two(0xF1C0, 0xFC78), "Ii;pF7FC"},
-{"fsincoss", two(0xF000, 0x4430), two(0xF1C0, 0xFC78), "Ii;fF7FC"},
-{"fsincosw", two(0xF000, 0x5030), two(0xF1C0, 0xFC78), "Ii;wF7FC"},
-{"fsincosx", two(0xF000, 0x0030), two(0xF1C0, 0xE078), "IiF8F7FC"},
-{"fsincosx", two(0xF000, 0x4830), two(0xF1C0, 0xFC78), "Ii;xF7FC"},
-
-
-#ifdef comment
-/* gas's version had these. */
{"fsincosb", two(0xF000, 0x5830), two(0xF1C0, 0xFC78), "Ii;bF3F7"},
{"fsincosd", two(0xF000, 0x5430), two(0xF1C0, 0xFC78), "Ii;FF3F7"},
{"fsincosl", two(0xF000, 0x4030), two(0xF1C0, 0xFC78), "Ii;lF3F7"},
@@ -1107,7 +1157,6 @@ struct m68k_opcode m68k_opcodes[] =
{"fsincosw", two(0xF000, 0x5030), two(0xF1C0, 0xFC78), "Ii;wF3F7"},
{"fsincosx", two(0xF000, 0x0030), two(0xF1C0, 0xE078), "IiF8F3F7"},
{"fsincosx", two(0xF000, 0x4830), two(0xF1C0, 0xFC78), "Ii;xF3F7"},
-#endif /* comment */
{"fscaleb", two(0xF000, 0x5826), two(0xF1C0, 0xFC7F), "Ii;bF7"},
{"fscaled", two(0xF000, 0x5426), two(0xF1C0, 0xFC7F), "Ii;FF7"},
@@ -1363,6 +1412,7 @@ struct m68k_opcode m68k_opcodes[] =
{"ftwotoxx", two(0xF000, 0x4811), two(0xF1C0, 0xFC7F), "Ii;xF7"},
{"ftwotoxx", two(0xF000, 0x0011), two(0xF1C0, 0xE07F), "IiFt"},
+/* Variable-sized float branches */
{"fjeq", one(0xF081), one(0xF1FF), "IdBc"},
{"fjf", one(0xF080), one(0xF1FF), "IdBc"},
@@ -1397,24 +1447,7 @@ struct m68k_opcode m68k_opcodes[] =
{"fjult", one(0xF08C), one(0xF1FF), "IdBc"},
{"fjun", one(0xF088), one(0xF1FF), "IdBc"},
-/* The assembler will ignore attempts to force a short offset */
-
-{"bhis", one(0061000), one(0177400), "Bg"},
-{"blss", one(0061400), one(0177400), "Bg"},
-{"bccs", one(0062000), one(0177400), "Bg"},
-{"bcss", one(0062400), one(0177400), "Bg"},
-{"bnes", one(0063000), one(0177400), "Bg"},
-{"beqs", one(0063400), one(0177400), "Bg"},
-{"bvcs", one(0064000), one(0177400), "Bg"},
-{"bvss", one(0064400), one(0177400), "Bg"},
-{"bpls", one(0065000), one(0177400), "Bg"},
-{"bmis", one(0065400), one(0177400), "Bg"},
-{"bges", one(0066000), one(0177400), "Bg"},
-{"blts", one(0066400), one(0177400), "Bg"},
-{"bgts", one(0067000), one(0177400), "Bg"},
-{"bles", one(0067400), one(0177400), "Bg"},
-
-/* Alternate mnemonics for SUN */
+/* Variable-sized branches */
{"jbsr", one(0060400), one(0177400), "Bg"},
{"jbsr", one(0047200), one(0177700), "!s"},
@@ -1436,25 +1469,6 @@ struct m68k_opcode m68k_opcodes[] =
{"jgt", one(0067000), one(0177400), "Bg"},
{"jle", one(0067400), one(0177400), "Bg"},
-/* Short offsets are ignored */
-
-{"jbsrs", one(0060400), one(0177400), "Bg"},
-{"jras", one(0060000), one(0177400), "Bg"},
-{"jhis", one(0061000), one(0177400), "Bg"},
-{"jlss", one(0061400), one(0177400), "Bg"},
-{"jccs", one(0062000), one(0177400), "Bg"},
-{"jcss", one(0062400), one(0177400), "Bg"},
-{"jnes", one(0063000), one(0177400), "Bg"},
-{"jeqs", one(0063400), one(0177400), "Bg"},
-{"jvcs", one(0064000), one(0177400), "Bg"},
-{"jvss", one(0064400), one(0177400), "Bg"},
-{"jpls", one(0065000), one(0177400), "Bg"},
-{"jmis", one(0065400), one(0177400), "Bg"},
-{"jges", one(0066000), one(0177400), "Bg"},
-{"jlts", one(0066400), one(0177400), "Bg"},
-{"jgts", one(0067000), one(0177400), "Bg"},
-{"jles", one(0067400), one(0177400), "Bg"},
-
{"movql", one(0070000), one(0170400), "MsDd"},
{"moveql", one(0070000), one(0170400), "MsDd"},
{"moval", one(0020100), one(0170700), "*lAd"},
@@ -1568,13 +1582,7 @@ struct m68k_opcode m68k_opcodes[] =
{"pflush", two(0xf000, 0x3800), two(0xffc0, 0xfe1e), "f3T9&s" },
{"pflushs", two(0xf000, 0x3410), two(0xfff8, 0xfe10), "T3T9" },
-{"pflushs", two(0xf000, 0x3c00), two(0xfff8, 0xfe00), "T3T9&s" },
-
-#ifdef comment
- /* gas's version had this instead. */
{"pflushs", two(0xf000, 0x3c10), two(0xfff8, 0xfe00), "T3T9&s" },
-#endif /* comment */
-
{"pflushs", two(0xf000, 0x3408), two(0xfff8, 0xfe18), "D3T9" },
{"pflushs", two(0xf000, 0x3c08), two(0xfff8, 0xfe18), "D3T9&s" },
{"pflushs", two(0xf000, 0x3400), two(0xfff8, 0xfe1e), "f3T9" },