This is the mail archive of the
binutils@sourceware.org
mailing list for the binutils project.
PATCH: i386 disassembler: Check PREFIX_REPNZ before PREFIX_DATA for prefix table
- From: "H. J. Lu" <hjl at lucon dot org>
- To: binutils at sources dot redhat dot com
- Date: Thu, 9 Nov 2006 18:25:14 -0800
- Subject: PATCH: i386 disassembler: Check PREFIX_REPNZ before PREFIX_DATA for prefix table
When prefix user table is used, we check PREFIX_REPZ, PREFIX_DATA
and PREFIX_REPNZ, in that order. This patch changes it to
PREFIX_REPZ, PREFIX_REPNZ and PREFIX_DATA. There is no regression.
H.J.
---
2006-11-09 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (print_insn): Check PREFIX_REPNZ before
PREFIX_DATA when prefix user table is used.
--- opcodes/i386-dis.c.prefix 2006-11-09 18:13:40.000000000 -0800
+++ opcodes/i386-dis.c 2006-11-09 18:21:09.000000000 -0800
@@ -3139,14 +3139,16 @@ print_insn (bfd_vma pc, disassemble_info
index = 1;
else
{
- used_prefixes |= (prefixes & PREFIX_DATA);
- if (prefixes & PREFIX_DATA)
- index = 2;
+ /* We should check PREFIX_REPNZ and PREFIX_REPZ
+ before PREFIX_DATA. */
+ used_prefixes |= (prefixes & PREFIX_REPNZ);
+ if (prefixes & PREFIX_REPNZ)
+ index = 3;
else
{
- used_prefixes |= (prefixes & PREFIX_REPNZ);
- if (prefixes & PREFIX_REPNZ)
- index = 3;
+ used_prefixes |= (prefixes & PREFIX_DATA);
+ if (prefixes & PREFIX_DATA)
+ index = 2;
}
}
dp = &prefix_user_table[dp->bytemode2][index];