diff options
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 9a45e91..ecb428f 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -6314,6 +6314,7 @@ OP_E_extended (int bytemode, int sizeflag, int has_drex) int havesib; int havebase; int haveindex; + int needindex; int base; int index = 0; int scale = 0; @@ -6368,7 +6369,15 @@ OP_E_extended (int bytemode, int sizeflag, int has_drex) break; } - havedisp = havebase || (havesib && (haveindex || scale != 0)); + /* In 32bit mode, we need index register to tell [offset] from + [eiz*1 + offset]. */ + needindex = (havesib + && !havebase + && !haveindex + && address_mode == mode_32bit); + havedisp = (havebase + || needindex + || (havesib && (haveindex || scale != 0))); if (!intel_syntax) if (modrm.mod != 0 || (base & 7) == 5) @@ -6402,6 +6411,7 @@ OP_E_extended (int bytemode, int sizeflag, int has_drex) /* ESP/RSP won't allow index. If base isn't ESP/RSP, print index to tell base + index from base. */ if (scale != 0 + || needindex || haveindex || (havebase && base != ESP_REG_NUM)) { |