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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> 2007-07-24 Nick Clifton <nickc@redhat.com>
* config/tc-mep.h (skip_whitespace): Remove definition. * 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_callx12_opcode;
static xtensa_opcode xtensa_const16_opcode; static xtensa_opcode xtensa_const16_opcode;
static xtensa_opcode xtensa_entry_opcode; static xtensa_opcode xtensa_entry_opcode;
static xtensa_opcode xtensa_extui_opcode;
static xtensa_opcode xtensa_movi_opcode; static xtensa_opcode xtensa_movi_opcode;
static xtensa_opcode xtensa_movi_n_opcode; static xtensa_opcode xtensa_movi_n_opcode;
static xtensa_opcode xtensa_isync_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)) if (tinsn_has_invalid_symbolic_operands (orig_insn))
return TRUE; 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 /* If the instruction will definitely need to be relaxed, it is better
to expand it now for better scheduling. Decide whether to expand to expand it now for better scheduling. Decide whether to expand
now.... */ now.... */
@ -5012,6 +5027,7 @@ md_begin (void)
xtensa_callx12_opcode = xtensa_opcode_lookup (isa, "callx12"); xtensa_callx12_opcode = xtensa_opcode_lookup (isa, "callx12");
xtensa_const16_opcode = xtensa_opcode_lookup (isa, "const16"); xtensa_const16_opcode = xtensa_opcode_lookup (isa, "const16");
xtensa_entry_opcode = xtensa_opcode_lookup (isa, "entry"); 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_opcode = xtensa_opcode_lookup (isa, "movi");
xtensa_movi_n_opcode = xtensa_opcode_lookup (isa, "movi.n"); xtensa_movi_n_opcode = xtensa_opcode_lookup (isa, "movi.n");
xtensa_isync_opcode = xtensa_opcode_lookup (isa, "isync"); xtensa_isync_opcode = xtensa_opcode_lookup (isa, "isync");