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* config/tc-xtensa.c (xtensa_extui_opcode): New.

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(xg_expand_assembly_insn): Check for invalid extui operands.
        (md_begin): Initialize xtensa_extui_opcode.
This commit is contained in:
Bob Wilson 2007-07-25 17:33:27 +00:00
parent 5b31182830
commit d12f9798ef
2 changed files with 22 additions and 0 deletions
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6
gas/ChangeLog
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@ -1,3 +1,9 @@
2007-07-25 Sterling Augustine <sterling@tensilica.com>
* config/tc-xtensa.c (xtensa_extui_opcode): New.
(xg_expand_assembly_insn): Check for invalid extui operands.
(md_begin): Initialize xtensa_extui_opcode.
2007-07-24 Nick Clifton <nickc@redhat.com>
* config/tc-mep.h (skip_whitespace): Remove definition.

16
gas/config/tc-xtensa.c
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@ -553,6 +553,7 @@ static xtensa_opcode xtensa_callx8_opcode;
static xtensa_opcode xtensa_callx12_opcode;
static xtensa_opcode xtensa_const16_opcode;
static xtensa_opcode xtensa_entry_opcode;
static xtensa_opcode xtensa_extui_opcode;
static xtensa_opcode xtensa_movi_opcode;
static xtensa_opcode xtensa_movi_n_opcode;
static xtensa_opcode xtensa_isync_opcode;
@ -3888,6 +3889,20 @@ xg_expand_assembly_insn (IStack *istack, TInsn *orig_insn)
if (tinsn_has_invalid_symbolic_operands (orig_insn))
return TRUE;
/* Special case for extui opcode which has constraints not handled
by the ordinary operand encoding checks. The number of operands
and related syntax issues have already been checked. */
if (orig_insn->opcode == xtensa_extui_opcode)
{
int shiftimm = orig_insn->tok[2].X_add_number;
int maskimm = orig_insn->tok[3].X_add_number;
if (shiftimm + maskimm > 32)
{
as_bad (_("immediate operands sum to greater than 32"));
return TRUE;
}
}
/* If the instruction will definitely need to be relaxed, it is better
to expand it now for better scheduling. Decide whether to expand
now.... */
@ -5012,6 +5027,7 @@ md_begin (void)
xtensa_callx12_opcode = xtensa_opcode_lookup (isa, "callx12");
xtensa_const16_opcode = xtensa_opcode_lookup (isa, "const16");
xtensa_entry_opcode = xtensa_opcode_lookup (isa, "entry");
xtensa_extui_opcode = xtensa_opcode_lookup (isa, "extui");
xtensa_movi_opcode = xtensa_opcode_lookup (isa, "movi");
xtensa_movi_n_opcode = xtensa_opcode_lookup (isa, "movi.n");
xtensa_isync_opcode = xtensa_opcode_lookup (isa, "isync");