diff options
Diffstat (limited to 'opcodes/ia64-gen.c')
| -rw-r--r-- | opcodes/ia64-gen.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/opcodes/ia64-gen.c b/opcodes/ia64-gen.c index c38cc35..bfad2f7 100644 --- a/opcodes/ia64-gen.c +++ b/opcodes/ia64-gen.c @@ -56,6 +56,7 @@ const char * program_name = NULL; int debug = 0; +#define NELEMS(a) (sizeof (a) / sizeof ((a)[0])) #define tmalloc(X) (X *) xmalloc (sizeof (X)) /* The main opcode table entry. Each entry is a unique combination of @@ -2725,7 +2726,26 @@ shrink (table) int curr_opcode; for (curr_opcode = 0; table[curr_opcode].name != NULL; curr_opcode++) - add_opcode_entry (table + curr_opcode); + { + add_opcode_entry (table + curr_opcode); + if (table[curr_opcode].num_outputs == 2 + && ((table[curr_opcode].operands[0] == IA64_OPND_P1 + && table[curr_opcode].operands[1] == IA64_OPND_P2) + || (table[curr_opcode].operands[0] == IA64_OPND_P2 + && table[curr_opcode].operands[1] == IA64_OPND_P1))) + { + struct ia64_opcode *alias = tmalloc(struct ia64_opcode); + unsigned i; + + *alias = table[curr_opcode]; + for (i = 2; i < NELEMS (alias->operands); ++i) + alias->operands[i - 1] = alias->operands[i]; + alias->operands[NELEMS (alias->operands) - 1] = IA64_OPND_NIL; + --alias->num_outputs; + alias->flags |= PSEUDO; + add_opcode_entry (alias); + } + } } |