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* config/tc-mips.c (move_register): New function. 

(macro_build): Remove OPCODE_IS_MEMBER's gp32 argument.
	(mips_ip): Likewise.
	(macro2): Use move_register rather than macro_build for moves.
	(mips16_macro): Likewise.
	(macro): Likewise.  Handle M_MOVE.
This commit is contained in:
Richard Sandiford 2001-08-10 16:24:32 +00:00
parent d98bb281e8
commit ea1fb5dc3b
2 changed files with 36 additions and 13 deletions
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9
gas/ChangeLog
View File

@ -1,3 +1,12 @@
2001-08-10 Richard Sandiford <rsandifo@redhat.com>
* config/tc-mips.c (move_register): New function.
(macro_build): Remove OPCODE_IS_MEMBER's gp32 argument.
(mips_ip): Likewise.
(macro2): Use move_register rather than macro_build for moves.
(mips16_macro): Likewise.
(macro): Likewise. Handle M_MOVE.
2001-08-10 Andreas Jaeger <aj@suse.de>
* configure.in: Add -Wstrict-prototypes and -Wmissing-prototypes

40
gas/config/tc-mips.c
View File

@ -685,6 +685,7 @@ static void check_absolute_expr PARAMS ((struct mips_cl_insn * ip,
expressionS *));
static void load_register PARAMS ((int *, int, expressionS *, int));
static void load_address PARAMS ((int *counter, int reg, expressionS *ep));
static void move_register PARAMS ((int *, int, int));
static void macro PARAMS ((struct mips_cl_insn * ip));
static void mips16_macro PARAMS ((struct mips_cl_insn * ip));
#ifdef LOSING_COMPILER
@ -2533,8 +2534,7 @@ macro_build (place, counter, ep, name, fmt, va_alist)
{
if (strcmp (fmt, insn.insn_mo->args) == 0
&& insn.insn_mo->pinfo != INSN_MACRO
&& OPCODE_IS_MEMBER (insn.insn_mo, mips_opts.isa, mips_arch,
HAVE_32BIT_GPRS)
&& OPCODE_IS_MEMBER (insn.insn_mo, mips_opts.isa, mips_arch)
&& (mips_arch != CPU_R4650 || (insn.insn_mo->pinfo & FP_D) == 0))
break;
@ -3430,6 +3430,19 @@ load_address (counter, reg, ep)
abort ();
}
/* Move the contents of register SOURCE into register DEST. */
static void
move_register (counter, dest, source)
int *counter;
int dest;
int source;
{
macro_build ((char *) NULL, counter, (expressionS *) NULL,
HAVE_32BIT_GPRS ? "addu" : "daddu",
"d,v,t", dest, source, 0);
}
/*
* Build macros
* This routine implements the seemingly endless macro or synthesized
@ -3503,7 +3516,7 @@ macro (ip)
if (dreg == sreg)
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0);
else
macro_build ((char *) NULL, &icnt, NULL, "move", "d,s", dreg, sreg, 0);
move_register (&icnt, dreg, sreg);
macro_build ((char *) NULL, &icnt, NULL,
dbl ? "dsub" : "sub", "d,v,t", dreg, 0, sreg);
@ -4056,10 +4069,9 @@ macro (ip)
if (imm_expr.X_op == O_constant && imm_expr.X_add_number == 1)
{
if (strcmp (s2, "mflo") == 0)
macro_build ((char *) NULL, &icnt, NULL, "move", "d,s", dreg,
sreg);
move_register (&icnt, dreg, sreg);
else
macro_build ((char *) NULL, &icnt, NULL, "move", "d,s", dreg, 0);
move_register (&icnt, dreg, 0);
return;
}
if (imm_expr.X_op == O_constant
@ -4072,7 +4084,7 @@ macro (ip)
"d,w", dreg, sreg);
}
else
macro_build ((char *) NULL, &icnt, NULL, "move", "d,s", dreg, 0);
move_register (&icnt, dreg, 0);
return;
}
@ -5189,8 +5201,7 @@ macro (ip)
if (lreg <= 31)
{
if (offset_expr.X_op == O_absent)
macro_build ((char *) NULL, &icnt, NULL, "move", "d,s",
lreg, 0);
move_register (&icnt, lreg, 0);
else
{
assert (offset_expr.X_op == O_constant);
@ -5808,6 +5819,10 @@ macro (ip)
ip->insn_opcode);
return;
case M_MOVE:
move_register (&icnt, dreg, sreg);
return;
#ifdef LOSING_COMPILER
default:
/* Try and see if this is a new itbl instruction.
@ -6039,7 +6054,7 @@ macro2 (ip)
{
as_warn (_("Instruction %s: result is always false"),
ip->insn_mo->name);
macro_build ((char *) NULL, &icnt, NULL, "move", "d,s", dreg, 0);
move_register (&icnt, dreg, 0);
return;
}
if (imm_expr.X_op == O_constant
@ -6778,8 +6793,7 @@ mips16_macro (ip)
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, "slti", "x,8", yreg);
if (xreg != yreg)
macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
"move", "y,X", xreg, yreg);
move_register (&icnt, xreg, yreg);
expr1.X_add_number = 2;
macro_build ((char *) NULL, &icnt, &expr1, "bteqz", "p");
macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
@ -6948,7 +6962,7 @@ mips_ip (str, ip)
assert (strcmp (insn->name, str) == 0);
if (OPCODE_IS_MEMBER (insn, mips_opts.isa, mips_arch, HAVE_32BIT_GPRS))
if (OPCODE_IS_MEMBER (insn, mips_opts.isa, mips_arch))
ok = true;
else
ok = false;