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Added --nowarnswap arg to suppress "Swapping instructions" warning.

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This commit is contained in:
Bill Moyer 1998-01-28 18:20:46 +00:00
parent 98b155a20a
commit 7012071819
4 changed files with 48 additions and 7 deletions
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7
gas/ChangeLog
View file

@ -1,3 +1,10 @@
Fri Jan 28 10:18:06 1998 Bill Moyer <billm@cygnus.com>
* as.h (flag_warn_instructionswap): added new flag variable.
* as.c (parse_args): added "--nowarnswap" command line arg.
* tc-d10v.c (write_2_short): emit "Swapping instructions"
warning only if flag_warn_instructionswap is set.
start-sanitize-sky
Wed Jan 28 10:00:40 1998 Doug Evans <devans@canuck.cygnus.com>

9
gas/as.c
View file

@ -356,7 +356,9 @@ parse_args (pargc, pargv)
#define OPTION_GSTABS (OPTION_STD_BASE + 14)
{"gstabs", no_argument, NULL, OPTION_GSTABS},
#define OPTION_STRIP_LOCAL_ABSOLUTE (OPTION_STD_BASE + 15)
{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE}
{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE},
#define OPTION_NOWARNSWAP (OPTION_STD_BASE + 16)
{"nowarnswap", no_argument, NULL, OPTION_NOWARNSWAP}
};
/* Construct the option lists from the standard list and the
@ -532,6 +534,10 @@ the GNU General Public License. This program has absolutely no warranty.\n");
case OPTION_GSTABS:
debug_type = DEBUG_STABS;
break;
case OPTION_NOWARNSWAP:
flag_warn_instructionswap = 0;
break;
case 'J':
flag_signed_overflow_ok = 1;
@ -702,6 +708,7 @@ main (argc, argv)
#endif
out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME;
flag_warn_instructionswap = 1;
hex_init ();
#ifdef BFD_ASSEMBLER

3
gas/as.h
View file

@ -423,6 +423,9 @@ COMMON int flag_no_warnings; /* -W */
are detected. */
COMMON unsigned char flag_always_generate_output; /* -Z */
/* True if instruction swapping warnings should be inhibited. */
COMMON unsigned char flag_warn_instructionswap; /* --nowarnswap */
/* This is true if the assembler should output time and space usage. */
COMMON unsigned char flag_print_statistics;

36
gas/config/tc-d10v.c
View file

@ -501,7 +501,7 @@ build_insn (opcode, opers, insn)
unsigned long insn;
{
int i, bits, shift, flags, format;
unsigned int number;
unsigned long number;
/* the insn argument is only used for the DIVS kludge */
if (insn)
@ -718,14 +718,16 @@ write_2_short (opcode1, insn1, opcode2, insn2, exec_type, fx)
{
if (opcode2->unit == IU)
as_fatal ("Two IU instructions may not be executed in parallel");
as_warn ("Swapping instruction order");
if (flag_warn_instructionswap)
as_warn ("Swapping instruction order");
insn = FM00 | (insn2 << 15) | insn1;
}
else if (opcode2->unit == MU)
{
if (opcode1->unit == MU)
as_fatal ("Two MU instructions may not be executed in parallel");
as_warn ("Swapping instruction order");
if (flag_warn_instructionswap)
as_warn ("Swapping instruction order");
insn = FM00 | (insn2 << 15) | insn1;
}
else
@ -863,7 +865,7 @@ parallel_ok (op1, insn1, op2, insn2, exec_type)
else
regno = 18;
}
else if (flags & OPERAND_FLAG)
else if (flags & (OPERAND_FFLAG|OPERAND_CFLAG))
regno = 19;
if ( flags & OPERAND_DEST )
@ -1086,6 +1088,7 @@ find_opcode (opcode, myops)
if (opcode->format == OPCODE_FAKE)
{
int opnum = opcode->operands[0];
int flags;
if (myops[opnum].X_op == O_register)
{
@ -1095,11 +1098,31 @@ find_opcode (opcode, myops)
myops[opnum].X_op_symbol = NULL;
}
next_opcode=opcode+1;
/* If the first operand is supposed to be a register, make sure
we got a valid one. */
flags = d10v_operands[next_opcode->operands[0]].flags;
if (flags & OPERAND_REG)
{
int X_op = myops[0].X_op;
int num = myops[0].X_add_number;
if (X_op != O_register
|| (flags & OPERAND_ACC) != (num & OPERAND_ACC)
|| (flags & OPERAND_FFLAG) != (num & OPERAND_FFLAG)
|| (flags & OPERAND_CFLAG) != (num & OPERAND_CFLAG)
|| (flags & OPERAND_CONTROL) != (num & OPERAND_CONTROL))
{
as_bad ("bad opcode or operands");
return 0;
}
}
if (myops[opnum].X_op == O_constant || (myops[opnum].X_op == O_symbol &&
S_IS_DEFINED(myops[opnum].X_add_symbol) &&
(S_GET_SEGMENT(myops[opnum].X_add_symbol) == now_seg)))
{
next_opcode=opcode+1;
for (i=0; opcode->operands[i+1]; i++)
{
int bits = d10v_operands[next_opcode->operands[opnum]].bits;
@ -1173,7 +1196,8 @@ find_opcode (opcode, myops)
{
if ((X_op != O_register) ||
((flags & OPERAND_ACC) != (num & OPERAND_ACC)) ||
((flags & OPERAND_FLAG) != (num & OPERAND_FLAG)) ||
((flags & OPERAND_FFLAG) != (num & OPERAND_FFLAG)) ||
((flags & OPERAND_CFLAG) != (num & OPERAND_CFLAG)) ||
((flags & OPERAND_CONTROL) != (num & OPERAND_CONTROL)))
{
match=0;