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* config/tc-mn10300.c (mn10300_insert_operand): Handle

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repeated register operands.
For mov imm8,dn
    mov imm8,an
    cmp imm8,dn
    cmp imm8,an

The register appears twice in the bit pattern...  Egad.
This commit is contained in:
Jeff Law 1996-11-04 19:54:50 +00:00
parent b9c65063be
commit 68328dc6bd
2 changed files with 27 additions and 5 deletions
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5
gas/ChangeLog
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@ -1,3 +1,8 @@
Mon Nov 4 12:53:40 1996 Jeffrey A Law (law@cygnus.com)
* config/tc-mn10300.c (mn10300_insert_operand): Handle
repeated register operands.
Fri Nov 1 10:42:49 1996 Ian Lance Taylor <ian@cygnus.com>
* doc/as.texinfo: Added section on reporting bugs.

27
gas/config/tc-mn10300.c
View File

@ -435,6 +435,7 @@ md_assemble (str)
const char *errmsg = NULL;
int op_idx;
char *hold;
int extra_shift = 0;
fc = 0;
match = 0;
@ -587,8 +588,18 @@ md_assemble (str)
goto error;
}
if (opcode->format == FMT_D1 || opcode->format == FMT_S1)
extra_shift = 8;
else if (opcode->format == FMT_D2 || opcode->format == FMT_D4
|| opcode->format == FMT_S2 || opcode->format == FMT_S4
|| opcode->format == FMT_S6 || opcode->format == FMT_D5)
extra_shift = 16;
else
extra_shift = 0;
insn = mn10300_insert_operand (insn, operand, ex.X_add_number,
(char *) NULL, 0);
(char *) NULL, 0, extra_shift);
break;
case O_constant:
@ -604,7 +615,7 @@ md_assemble (str)
}
insn = mn10300_insert_operand (insn, operand, ex.X_add_number,
(char *) NULL, 0);
(char *) NULL, 0, 0);
break;
default:
@ -795,7 +806,7 @@ md_apply_fix3 (fixp, valuep, seg)
insn = bfd_getl32((unsigned char *) where);
insn = mn10300_insert_operand (insn, operand, (offsetT) value,
fixp->fx_file, fixp->fx_line);
fixp->fx_file, fixp->fx_line, 0);
bfd_putl32((bfd_vma) insn, (unsigned char *) where);
if (fixp->fx_done)
@ -833,12 +844,13 @@ md_apply_fix3 (fixp, valuep, seg)
/* Insert an operand value into an instruction. */
static unsigned long
mn10300_insert_operand (insn, operand, val, file, line)
mn10300_insert_operand (insn, operand, val, file, line, shift)
unsigned long insn;
const struct mn10300_operand *operand;
offsetT val;
char *file;
unsigned int line;
unsigned int shift;
{
if (operand->bits != 32)
{
@ -873,7 +885,12 @@ mn10300_insert_operand (insn, operand, val, file, line)
}
}
insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift);
insn |= (((long) val & ((1 << operand->bits) - 1))
<< (operand->shift + shift));
if ((operand->flags & MN10300_OPERAND_REPEATED) != 0)
insn |= (((long) val & ((1 << operand->bits) - 1))
<< (operand->shift + shift + 2));
return insn;
}