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gas/

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2005-03-02  Jan Beulich  <jbeulich@novell.com>

	* config/tc-i386.c (build_modrm_byte): Add lock prefix for cr8...15
	accesses.
	(parse_register): Allow cr8...15 in all modes.

gas/testsuite/
2005-03-02  Jan Beulich  <jbeulich@novell.com>

	* gas/i386/cr-err.[ls]: New.
	* gas/i386/crx.[ds]: New.
	* gas/i386/i386.exp: Run new tests.

opcodes/
2005-03-02  Jan Beulich  <jbeulich@novell.com>

	* i386-dis.c (print_insn): Suppress lock prefix printing for cr8...15
	accesses.
	(OP_C): Consider lock prefix in non-64-bit modes.
This commit is contained in:
Jan Beulich 2005-03-02 08:01:32 +00:00
parent 167c3097b2
commit c4a530c529
10 changed files with 143 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gas/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-02 Jan Beulich <jbeulich@novell.com>
* config/tc-i386.c (build_modrm_byte): Add lock prefix for cr8...15
accesses.
(parse_register): Allow cr8...15 in all modes.
2005-03-02 Jan Beulich <jbeulich@novell.com>
* config/tc-i386.c (intel_e11): If not followed by T_PTR, treat T_BYTE

8
gas/config/tc-i386.c
View file

@ -2868,6 +2868,13 @@ build_modrm_byte ()
if ((i.op[source].regs->reg_flags & RegRex) != 0)
i.rex |= REX_EXTX;
}
if (flag_code != CODE_64BIT && (i.rex & (REX_EXTX | REX_EXTZ)))
{
if (!((i.types[0] | i.types[1]) & Control))
abort ();
i.rex &= ~(REX_EXTX | REX_EXTZ);
add_prefix (LOCK_PREFIX_OPCODE);
}
}
else
{ /* If it's not 2 reg operands... */
@ -5040,6 +5047,7 @@ parse_register (reg_string, end_op)
if (r != NULL
&& ((r->reg_flags & (RegRex64 | RegRex)) | (r->reg_type & Reg64)) != 0
&& (r->reg_type != Control || !(cpu_arch_flags & CpuSledgehammer))
&& flag_code != CODE_64BIT)
return (const reg_entry *) NULL;

6
gas/testsuite/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-02 Jan Beulich <jbeulich@novell.com>
* gas/i386/cr-err.[ls]: New.
* gas/i386/crx.[ds]: New.
* gas/i386/i386.exp: Run new tests.
2005-03-02 Jan Beulich <jbeulich@novell.com>
* gas/i386/intelok.d: Add -r to objdump options. Adjust expectations.

29
gas/testsuite/gas/i386/cr-err.l Normal file
View file

@ -0,0 +1,29 @@
.*: Assembler messages:
.*:[0-9]+: Error: .\(%cr0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%cr7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%cr8\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%cr15\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%db0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%db7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%dr0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%dr7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%tr0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(%tr7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(cr0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(cr7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(cr8\). is not a valid base/index expression
.*:[0-9]+: Error: .\(cr15\). is not a valid base/index expression
.*:[0-9]+: Error: .\(db0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(db7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(dr0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(dr7\). is not a valid base/index expression
.*:[0-9]+: Error: .\(tr0\). is not a valid base/index expression
.*:[0-9]+: Error: .\(tr7\). is not a valid base/index expression
.*:[0-9]+: Error: .\[cr0\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[cr7\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[cr8\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[cr15\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[dr0\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[dr7\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[tr0\]. is not a valid base/index expression
.*:[0-9]+: Error: .\[tr7\]. is not a valid base/index expression

35
gas/testsuite/gas/i386/cr-err.s Normal file
View file

@ -0,0 +1,35 @@
.text
_start:
movl (%cr0), %eax
movl %eax, (%cr7)
movl (%cr8), %eax
movl %eax, (%cr15)
movl (%db0), %eax
movl %eax, (%db7)
movl (%dr0), %eax
movl %eax, (%dr7)
movl (%tr0), %eax
movl %eax, (%tr7)
.att_syntax noprefix
movl (cr0), eax
movl eax, (cr7)
movl (cr8), eax
movl eax, (cr15)
movl (db0), eax
movl eax, (db7)
movl (dr0), eax
movl eax, (dr7)
movl (tr0), eax
movl eax, (tr7)
.intel_syntax noprefix
mov eax, [cr0]
mov [cr7], eax
mov eax, [cr8]
mov [cr15], eax
mov eax, [dr0]
mov [dr7], eax
mov eax, [tr0]
mov [tr7], eax

20
gas/testsuite/gas/i386/crx.d Normal file
View file

@ -0,0 +1,20 @@
#objdump: -dw
#name: i386 cr8+
.*: +file format .*
Disassembly of section .text:
0+ <_start>:
[ ]*[0-9a-f]+: f0 0f 20 c0[ ]+movl?[ ]+?%cr8,%eax
[ ]*[0-9a-f]+: f0 0f 20 c7[ ]+movl?[ ]+?%cr8,%edi
[ ]*[0-9a-f]+: f0 0f 22 c0[ ]+movl?[ ]+?%eax,%cr8
[ ]*[0-9a-f]+: f0 0f 22 c7[ ]+movl?[ ]+?%edi,%cr8
[ ]*[0-9a-f]+: f0 0f 20 c0[ ]+movl?[ ]+?%cr8,%eax
[ ]*[0-9a-f]+: f0 0f 20 c7[ ]+movl?[ ]+?%cr8,%edi
[ ]*[0-9a-f]+: f0 0f 22 c0[ ]+movl?[ ]+?%eax,%cr8
[ ]*[0-9a-f]+: f0 0f 22 c7[ ]+movl?[ ]+?%edi,%cr8
[ ]*[0-9a-f]+: f0 0f 20 c0[ ]+movl?[ ]+?%cr8,%eax
[ ]*[0-9a-f]+: f0 0f 20 c7[ ]+movl?[ ]+?%cr8,%edi
[ ]*[0-9a-f]+: f0 0f 22 c0[ ]+movl?[ ]+?%eax,%cr8
[ ]*[0-9a-f]+: f0 0f 22 c7[ ]+movl?[ ]+?%edi,%cr8

18
gas/testsuite/gas/i386/crx.s Normal file
View file

@ -0,0 +1,18 @@
.text
_start:
movl %cr8, %eax
movl %cr8, %edi
movl %eax, %cr8
movl %edi, %cr8
.att_syntax noprefix
movl cr8, eax
movl cr8, edi
movl eax, cr8
movl edi, cr8
.intel_syntax noprefix
mov eax, cr8
mov edi, cr8
mov cr8, eax
mov cr8, edi

3
gas/testsuite/gas/i386/i386.exp
View file

@ -68,8 +68,9 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
run_dump_test "divide"
}
run_dump_test "padlock"
run_dump_test "crx"
run_list_test "cr-err" ""
# These tests require support for 8 and 16 bit relocs,
# so we only run them for ELF and COFF targets.

6
opcodes/ChangeLog
View file

@ -1,3 +1,9 @@
2005-03-02 Jan Beulich <jbeulich@novell.com>
* i386-dis.c (print_insn): Suppress lock prefix printing for cr8...15
accesses.
(OP_C): Consider lock prefix in non-64-bit modes.
2005-02-24 Alan Modra <amodra@bigpond.net.au>
* cris-dis.c (format_hex): Remove ineffective warning fix.

17
opcodes/i386-dis.c
View file

@ -1956,7 +1956,7 @@ print_insn (bfd_vma pc, disassemble_info *info)
int i;
char *first, *second, *third;
int needcomma;
unsigned char uses_SSE_prefix;
unsigned char uses_SSE_prefix, uses_LOCK_prefix;
int sizeflag;
const char *p;
struct dis_private priv;
@ -2128,12 +2128,14 @@ print_insn (bfd_vma pc, disassemble_info *info)
dp = &dis386_twobyte[*++codep];
need_modrm = twobyte_has_modrm[*codep];
uses_SSE_prefix = twobyte_uses_SSE_prefix[*codep];
uses_LOCK_prefix = (*codep & ~0x02) == 0x20;
}
else
{
dp = &dis386[*codep];
need_modrm = onebyte_has_modrm[*codep];
uses_SSE_prefix = 0;
uses_LOCK_prefix = 0;
}
codep++;
@ -2147,7 +2149,7 @@ print_insn (bfd_vma pc, disassemble_info *info)
oappend ("repnz ");
used_prefixes |= PREFIX_REPNZ;
}
if (prefixes & PREFIX_LOCK)
if (!uses_LOCK_prefix && (prefixes & PREFIX_LOCK))
{
oappend ("lock ");
used_prefixes |= PREFIX_LOCK;
@ -3993,9 +3995,16 @@ static void
OP_C (int dummy ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED)
{
int add = 0;
USED_REX (REX_EXTX);
if (rex & REX_EXTX)
add = 8;
{
USED_REX (REX_EXTX);
add = 8;
}
else if (!mode_64bit && (prefixes & PREFIX_LOCK))
{
used_prefixes |= PREFIX_LOCK;
add = 8;
}
sprintf (scratchbuf, "%%cr%d", reg + add);
oappend (scratchbuf + intel_syntax);
}