darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

2007-06-22 H.J. Lu <hongjiu.lu@intel.com>

Browse source 
* config/tc-i386.c (disp_size): New.
	(imm_size): Likewise.
	(output_disp): Use disp_size and imm_size.
	(output_imm): Use imm_size.
This commit is contained in:
H.J. Lu 2007-06-22 14:15:51 +00:00
parent 1c0fdd0e37
commit e205caa764
2 changed files with 59 additions and 55 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
gas/ChangeLog
View file

@ -1,3 +1,10 @@
2007-06-22 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (disp_size): New.
(imm_size): Likewise.
(output_disp): Use disp_size and imm_size.
(output_imm): Use imm_size.
2007-06-19 Sterling Augustine <sterling@tensilica.com>
* config/tc-xtensa.h (struct xtensa_frag_type): Update comment about

107
gas/config/tc-i386.c
View file

@ -4076,6 +4076,40 @@ output_insn (void)
#endif /* DEBUG386 */
}
/* Return the size of the displacement operand N. */
static int
disp_size (unsigned int n)
{
int size = 4;
if (i.types[n] & (Disp8 | Disp16 | Disp64))
{
size = 2;
if (i.types[n] & Disp8)
size = 1;
if (i.types[n] & Disp64)
size = 8;
}
return size;
}
/* Return the size of the immediate operand N. */
static int
imm_size (unsigned int n)
{
int size = 4;
if (i.types[n] & (Imm8 | Imm8S | Imm16 | Imm64))
{
size = 2;
if (i.types[n] & (Imm8 | Imm8S))
size = 1;
if (i.types[n] & Imm64)
size = 8;
}
return size;
}
static void
output_disp (fragS *insn_start_frag, offsetT insn_start_off)
{
@ -4088,18 +4122,9 @@ output_disp (fragS *insn_start_frag, offsetT insn_start_off)
{
if (i.op[n].disps->X_op == O_constant)
{
int size;
int size = disp_size (n);
offsetT val;
size = 4;
if (i.types[n] & (Disp8 | Disp16 | Disp64))
{
size = 2;
if (i.types[n] & Disp8)
size = 1;
if (i.types[n] & Disp64)
size = 8;
}
val = offset_in_range (i.op[n].disps->X_add_number,
size);
p = frag_more (size);
@ -4108,45 +4133,32 @@ output_disp (fragS *insn_start_frag, offsetT insn_start_off)
else
{
enum bfd_reloc_code_real reloc_type;
int size = 4;
int sign = 0;
int size = disp_size (n);
int sign = (i.types[n] & Disp32S) != 0;
int pcrel = (i.flags[n] & Operand_PCrel) != 0;
/* We can't have 8 bit displacement here. */
assert ((i.types[n] & Disp8) == 0);
/* The PC relative address is computed relative
to the instruction boundary, so in case immediate
fields follows, we need to adjust the value. */
if (pcrel && i.imm_operands)
{
int imm_size = 4;
unsigned int n1;
int sz = 0;
for (n1 = 0; n1 < i.operands; n1++)
if (i.types[n1] & Imm)
{
if (i.types[n1] & (Imm8 | Imm8S | Imm16 | Imm64))
{
imm_size = 2;
if (i.types[n1] & (Imm8 | Imm8S))
imm_size = 1;
if (i.types[n1] & Imm64)
imm_size = 8;
}
break;
/* Only one immediate is allowed for PC
relative address. */
assert (sz == 0);
sz = imm_size (n1);
i.op[n].disps->X_add_number -= sz;
}
/* We should find the immediate. */
if (n1 == i.operands)
abort ();
i.op[n].disps->X_add_number -= imm_size;
}
if (i.types[n] & Disp32S)
sign = 1;
if (i.types[n] & (Disp16 | Disp64))
{
size = 2;
if (i.types[n] & Disp64)
size = 8;
assert (sz != 0);
}
p = frag_more (size);
@ -4211,18 +4223,9 @@ output_imm (fragS *insn_start_frag, offsetT insn_start_off)
{
if (i.op[n].imms->X_op == O_constant)
{
int size;
int size = imm_size (n);
offsetT val;
size = 4;
if (i.types[n] & (Imm8 | Imm8S | Imm16 | Imm64))
{
size = 2;
if (i.types[n] & (Imm8 | Imm8S))
size = 1;
else if (i.types[n] & Imm64)
size = 8;
}
val = offset_in_range (i.op[n].imms->X_add_number,
size);
p = frag_more (size);
@ -4235,21 +4238,15 @@ output_imm (fragS *insn_start_frag, offsetT insn_start_off)
non-absolute imms). Try to support other
sizes ... */
enum bfd_reloc_code_real reloc_type;
int size = 4;
int sign = 0;
int size = imm_size (n);
int sign;
if ((i.types[n] & (Imm32S))
&& (i.suffix == QWORD_MNEM_SUFFIX
|| (!i.suffix && (i.tm.opcode_modifier & No_lSuf))))
sign = 1;
if (i.types[n] & (Imm8 | Imm8S | Imm16 | Imm64))
{
size = 2;
if (i.types[n] & (Imm8 | Imm8S))
size = 1;
if (i.types[n] & Imm64)
size = 8;
}
else
sign = 0;
p = frag_more (size);
reloc_type = reloc (size, 0, sign, i.reloc[n]);