OpenE2K/binutils-gdb
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2005-01-12 H.J. Lu <hongjiu.lu@intel.com>

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* i386-dis.c (OP_E): Don't ignore scale in SIB for 64 bit mode.
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H.J. Lu 2005-01-12 19:40:20 +00:00
parent 2033b4b97d
commit 9df48ba9fd
2 changed files with 6 additions and 2 deletions
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4
opcodes/ChangeLog
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@ -1,3 +1,7 @@
2005-01-12 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (OP_E): Don't ignore scale in SIB for 64 bit mode.
2005-01-12 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (OP_E): Ignore scale when index == 0x4 in SIB.

4
opcodes/i386-dis.c
View File

@ -3192,8 +3192,8 @@ OP_E (int bytemode, int sizeflag)
havesib = 1;
FETCH_DATA (the_info, codep + 1);
index = (*codep >> 3) & 7;
if (index != 0x4)
/* When INDEX == 0x4, scale is ignored. */
if (mode_64bit || index != 0x4)
/* When INDEX == 0x4 in 32 bit mode, SCALE is ignored. */
scale = (*codep >> 6) & 3;
base = *codep & 7;
USED_REX (REX_EXTY);