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* i386-dis.c (ckprefix): Handle rex on fwait. Don't print

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ignored rex prefixes here.
	(print_insn): Instead, handle them similarly to fwait followed
	by non-fp insns.
This commit is contained in:
Alan Modra 2005-11-07 00:19:12 +00:00
parent a1a90f0396
commit 3e7d61b225
2 changed files with 22 additions and 14 deletions
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21
opcodes/ChangeLog
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@ -1,3 +1,10 @@
2005-11-07 Alan Modra <amodra@bigpond.net.au>
* i386-dis.c (ckprefix): Handle rex on fwait. Don't print
ignored rex prefixes here.
(print_insn): Instead, handle them similarly to fwait followed
by non-fp insns.
2005-11-02 H.J. Lu <hongjiu.lu@intel.com>
* iq2000-desc.c: Regenerated.
@ -109,7 +116,7 @@
* configure.in: Add target architecture bfd_arch_z80.
* configure: Regenerated.
* disassemble.c (disassembler)<ARCH_z80>: Add case
* disassemble.c (disassembler)<ARCH_z80>: Add case
bfd_arch_z80.
* z80-dis.c: New file.
@ -270,7 +277,7 @@
2005-08-23 David Ung <davidu@mips.com>
* mips16-opc.c (mips16_opcodes): Add the MIPS16e jalrc/jrc
instructions to the table.
instructions to the table.
2005-08-18 Alan Modra <amodra@bigpond.net.au>
@ -405,7 +412,7 @@
* cgen-ops.h, cgen-types.h: New files.
* Makefile.am (HFILES): List them.
* Makefile.in: Regenerated.
2005-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* arc-dis.c, arm-dis.c, cris-dis.c, crx-dis.c, d10v-dis.c,
@ -496,7 +503,7 @@
* vax-dis.c: Likewise.
* w65-dis.c: Likewise.
* z8kgen.c: Likewise.
* fr30-*: Regenerate.
* frv-*: Regenerate.
* ip2k-*: Regenerate.
@ -513,13 +520,13 @@
2005-06-16 David Ung <davidu@mips.com>
* mips16-opc.c (mips16_opcodes): Add the following MIPS16e
instructions to the table; seb/seh/sew/zeb/zeh/zew.
* mips16-opc.c (mips16_opcodes): Add the following MIPS16e
instructions to the table; seb/seh/sew/zeb/zeh/zew.
2005-06-15 Dave Brolley <brolley@redhat.com>
Contribute Morpho ms1 on behalf of Red Hat
* ms1-asm.c, ms1-desc.c, ms1-dis.c, ms1-ibld.c, ms1-opc.c,
* ms1-asm.c, ms1-desc.c, ms1-dis.c, ms1-ibld.c, ms1-opc.c,
ms1-opc.h: New files, Morpho ms1 target.
2004-05-14 Stan Cox <scox@redhat.com>

15
opcodes/i386-dis.c
View file

@ -1814,7 +1814,7 @@ ckprefix (void)
/* fwait is really an instruction. If there are prefixes
before the fwait, they belong to the fwait, *not* to the
following instruction. */
if (prefixes)
if (prefixes || rex)
{
prefixes |= PREFIX_FWAIT;
codep++;
@ -1828,8 +1828,8 @@ ckprefix (void)
/* Rex is ignored when followed by another prefix. */
if (rex)
{
oappend (prefix_name (rex, 0));
oappend (" ");
rex_used = rex;
return;
}
rex = newrex;
codep++;
@ -2117,13 +2117,14 @@ print_insn (bfd_vma pc, disassemble_info *info)
FETCH_DATA (info, codep + 1);
two_source_ops = (*codep == 0x62) || (*codep == 0xc8);
if ((prefixes & PREFIX_FWAIT)
&& ((*codep < 0xd8) || (*codep > 0xdf)))
if (((prefixes & PREFIX_FWAIT)
&& ((*codep < 0xd8) || (*codep > 0xdf)))
|| (rex && rex_used))
{
const char *name;
/* fwait not followed by floating point instruction. Print the
first prefix, which is probably fwait itself. */
/* fwait not followed by floating point instruction, or rex followed
by other prefixes. Print the first prefix. */
name = prefix_name (priv.the_buffer[0], priv.orig_sizeflag);
if (name == NULL)
name = INTERNAL_DISASSEMBLER_ERROR;