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| author | H.J. Lu <hjl.tools@gmail.com> | 2005-01-12 19:12:52 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2005-01-12 19:12:52 +0000 |
| commit | 2033b4b97d6b5205608dd5313a4c352b17036544 (patch) | |
| tree | 36c6b42d44f318934773c7b012e03e19664ed415 /opcodes/i386-dis.c | |
| parent | db5f402d40beac21d890e4b0b8ec85c17ec4c562 (diff) | |
| download | gdb-2033b4b97d6b5205608dd5313a4c352b17036544.zip gdb-2033b4b97d6b5205608dd5313a4c352b17036544.tar.gz gdb-2033b4b97d6b5205608dd5313a4c352b17036544.tar.bz2 | |
gas/testsuite/
2005-01-12 H.J. Lu <hongjiu.lu@intel.com>
* i386/i386.exp: Run "sib".
* gas/i386/sib.d: New file.
* gas/i386/sib.s: Likewise.
opcodes/
2005-01-12 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (OP_E): Ignore scale when index == 0x4 in SIB.
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index b5cc638..c24c656 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -3191,8 +3191,10 @@ OP_E (int bytemode, int sizeflag) { havesib = 1; FETCH_DATA (the_info, codep + 1); - scale = (*codep >> 6) & 3; index = (*codep >> 3) & 7; + if (index != 0x4) + /* When INDEX == 0x4, scale is ignored. */ + scale = (*codep >> 6) & 3; base = *codep & 7; USED_REX (REX_EXTY); USED_REX (REX_EXTZ); |