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| author | Timothy Wall <twall@alum.mit.edu> | 2000-04-23 02:39:13 +0000 |
|---|---|---|
| committer | Timothy Wall <twall@alum.mit.edu> | 2000-04-23 02:39:13 +0000 |
| commit | aa170a07eb955e54eccf5df5129a4e2c92d7c5a1 (patch) | |
| tree | 8beaa123cef99aa93d55442c7acc06a8907a8e05 /opcodes/ia64-opc.c | |
| parent | dc8d251e9c86a76a916824bfd79d289c4964c8bd (diff) | |
| download | gdb-aa170a07eb955e54eccf5df5129a4e2c92d7c5a1.zip gdb-aa170a07eb955e54eccf5df5129a4e2c92d7c5a1.tar.gz gdb-aa170a07eb955e54eccf5df5129a4e2c92d7c5a1.tar.bz2 | |
Misc assembly/disassembly fixes.
Diffstat (limited to 'opcodes/ia64-opc.c')
| -rw-r--r-- | opcodes/ia64-opc.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/opcodes/ia64-opc.c b/opcodes/ia64-opc.c index a25dd66..c054b3d 100644 --- a/opcodes/ia64-opc.c +++ b/opcodes/ia64-opc.c @@ -346,7 +346,8 @@ opcode_verify (opcode, place, type) /* Find an instruction entry in the ia64_dis_names array that matches opcode OPCODE and is of type TYPE. Returns either a positive index into the array, or a negative value if an entry for OPCODE could - not be found. */ + not be found. Checks all matches and returns the one with the highest + priority. */ static int locate_opcode_ent (opcode, type) @@ -357,6 +358,8 @@ locate_opcode_ent (opcode, type) int bitpos[41]; int op_ptr[41]; int currstatenum = 0; + short found_disent = -1; + short found_priority = -1; currtest[currstatenum] = 0; op_ptr[currstatenum] = 0; @@ -463,6 +466,7 @@ locate_opcode_ent (opcode, type) if ((next_op >= 0) && (next_op & 32768)) { short disent = next_op & 32767; + short priority = -1; if (next_op > 65535) { @@ -475,7 +479,10 @@ locate_opcode_ent (opcode, type) { int place = ia64_dis_names[disent].insn_index; - if (opcode_verify (opcode, place, type)) + priority = ia64_dis_names[disent].priority; + + if (opcode_verify (opcode, place, type) + && priority > found_priority) { break; } @@ -491,13 +498,12 @@ locate_opcode_ent (opcode, type) if (disent >= 0) { - return disent; - } - else - { - /* Failed to match; try the next test in this state. */ - next_op = -2; + found_disent = disent; + found_priority = priority; } + /* Try the next test in this state, regardless of whether a match + was found. */ + next_op = -2; } /* next_op == -1 is "back up to the previous state". @@ -509,7 +515,7 @@ locate_opcode_ent (opcode, type) currstatenum--; if (currstatenum < 0) { - return -1; + return found_disent; } } else if (next_op >= 0) |