diff options
Diffstat (limited to 'assemble.c')
| -rw-r--r-- | assemble.c | 32 |
1 files changed, 15 insertions, 17 deletions
@@ -1849,13 +1849,7 @@ static void gencode(int32_t segment, int64_t offset, int bits, offset += s; s = 0; - switch (ea_data.bytes) { - case 0: - break; - case 1: - case 2: - case 4: - case 8: + if (ea_data.bytes) { /* use compressed displacement, if available */ data = ea_data.disp8 ? ea_data.disp8 : opy->offset; s += ea_data.bytes; @@ -1872,21 +1866,25 @@ static void gencode(int32_t segment, int64_t offset, int bits, insn_end - offset, opy->segment, opy->wrt); } } else { - if (overflow_general(data, ins->addr_size >> 3) || + int asize = ins->addr_size >> 3; + int atype = ea_data.bytes; + + if (overflow_general(data, asize) || signed_bits(data, ins->addr_size) != - signed_bits(data, ea_data.bytes * 8)) + signed_bits(data, ea_data.bytes << 3)) warn_overflow(ERR_PASS2, ea_data.bytes); + if (asize > ea_data.bytes) { + /* + * If the address isn't the full width of + * the address size, treat is as signed... + */ + atype = -atype; + } + out(offset, segment, &data, OUT_ADDRESS, - -ea_data.bytes, opy->segment, opy->wrt); + atype, opy->segment, opy->wrt); } - break; - default: - /* Impossible! */ - errfunc(ERR_PANIC, - "Invalid amount of bytes (%d) for offset?!", - ea_data.bytes); - break; } offset += s; } |