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* config/tc-mips.c (load_address): When calling frag_grow, allow

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for the (up to) two nops which may be inserted by append_insn if
	mips_optimize is 0.
	(macro): Likewise.
This commit is contained in:
Ian Lance Taylor
1994-03-07 21:12:26 +00:00
parent 7f0638d54b
commit 8ea7f4e854
2 changed files with 170 additions and 56 deletions
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7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
Mon Mar 7 16:08:25 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com)
* config/tc-mips.c (load_address): When calling frag_grow, allow
for the (up to) two nops which may be inserted by append_insn if
mips_optimize is 0.
(macro): Likewise.
Thu Mar 3 11:37:55 1994 Doug Evans (dje@canuck.cygnus.com) Thu Mar 3 11:37:55 1994 Doug Evans (dje@canuck.cygnus.com)
* config/atof-ieee.c (make_invalid_floating_point_number): * config/atof-ieee.c (make_invalid_floating_point_number):

219
gas/config/tc-mips.c
View File

@ -107,6 +107,10 @@ static int file_mips_isa;
SVR4 ABI PIC calls. 1 doesn't mean anything. */ SVR4 ABI PIC calls. 1 doesn't mean anything. */
static int mips_pic; static int mips_pic;
/* 1 if trap instructions should used for overflow rather than break
instructions. */
static int mips_trap;
static int mips_warn_about_macros; static int mips_warn_about_macros;
static int mips_noreorder; static int mips_noreorder;
static int mips_any_noreorder; static int mips_any_noreorder;
@ -479,6 +483,9 @@ md_begin ()
mips_isa = 1; mips_isa = 1;
} }
if (mips_isa < 2 && mips_trap)
as_bad ("trap exception not supported at ISA 1");
switch (mips_isa) switch (mips_isa)
{ {
case 1: case 1:
@ -1564,7 +1571,7 @@ load_address (counter, reg, ep)
p = NULL; p = NULL;
else else
{ {
frag_grow (12); frag_grow (20);
macro_build ((char *) NULL, counter, ep, macro_build ((char *) NULL, counter, ep,
mips_isa < 3 ? "addiu" : "daddiu", mips_isa < 3 ? "addiu" : "daddiu",
"t,r,j", reg, GP, (int) BFD_RELOC_MIPS_GPREL); "t,r,j", reg, GP, (int) BFD_RELOC_MIPS_GPREL);
@ -1592,7 +1599,7 @@ load_address (counter, reg, ep)
If there is a constant, it must be added in afterward. */ If there is a constant, it must be added in afterward. */
ex.X_add_number = ep->X_add_number; ex.X_add_number = ep->X_add_number;
ep->X_add_number = 0; ep->X_add_number = 0;
frag_grow (12); frag_grow (20);
macro_build ((char *) NULL, counter, ep, macro_build ((char *) NULL, counter, ep,
mips_isa < 3 ? "lw" : "ld", mips_isa < 3 ? "lw" : "ld",
"t,o(b)", reg, (int) BFD_RELOC_MIPS_GOT16, GP); "t,o(b)", reg, (int) BFD_RELOC_MIPS_GOT16, GP);
@ -2121,7 +2128,10 @@ macro (ip)
if (treg == 0) if (treg == 0)
{ {
as_warn ("Divide by zero."); as_warn ("Divide by zero.");
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7); if (mips_trap)
macro_build ((char *) NULL, &icnt, NULL, "teq", "s,t", 0, 0);
else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7);
return; return;
} }
@ -2131,15 +2141,20 @@ macro (ip)
macro_build ((char *) NULL, &icnt, NULL, macro_build ((char *) NULL, &icnt, NULL,
dbl ? "ddiv" : "div", dbl ? "ddiv" : "div",
"z,s,t", sreg, treg); "z,s,t", sreg, treg);
expr1.X_add_number = 8; if (mips_trap)
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", treg, 0); macro_build ((char *) NULL, &icnt, NULL, "teq", "s,t", treg, 0);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7); {
expr1.X_add_number = 8;
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", treg, 0);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0);
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7);
}
expr1.X_add_number = -1; expr1.X_add_number = -1;
macro_build ((char *) NULL, &icnt, &expr1, macro_build ((char *) NULL, &icnt, &expr1,
dbl ? "daddiu" : "addiu", dbl ? "daddiu" : "addiu",
"t,r,j", AT, 0, (int) BFD_RELOC_LO16); "t,r,j", AT, 0, (int) BFD_RELOC_LO16);
expr1.X_add_number = dbl ? 20 : 16; expr1.X_add_number = mips_trap ? (dbl ? 12 : 8) : (dbl ? 20 : 16);
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", treg, AT); macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", treg, AT);
if (dbl) if (dbl)
{ {
@ -2154,10 +2169,15 @@ macro (ip)
expr1.X_add_number = 0x80000000; expr1.X_add_number = 0x80000000;
macro_build ((char *) NULL, &icnt, &expr1, "lui", "t,u", AT); macro_build ((char *) NULL, &icnt, &expr1, "lui", "t,u", AT);
} }
expr1.X_add_number = 8; if (mips_trap)
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", sreg, AT); macro_build ((char *) NULL, &icnt, NULL, "teq", "s,t", sreg, AT);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6); {
expr1.X_add_number = 8;
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", sreg, AT);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0);
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6);
}
--mips_noreorder; --mips_noreorder;
macro_build ((char *) NULL, &icnt, NULL, s, "d", dreg); macro_build ((char *) NULL, &icnt, NULL, s, "d", dreg);
break; break;
@ -2201,7 +2221,10 @@ macro (ip)
if (imm_expr.X_add_number == 0) if (imm_expr.X_add_number == 0)
{ {
as_warn ("Divide by zero."); as_warn ("Divide by zero.");
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7); if (mips_trap)
macro_build ((char *) NULL, &icnt, NULL, "teq", "s,t", 0, 0);
else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7);
return; return;
} }
if (imm_expr.X_add_number == 1) if (imm_expr.X_add_number == 1)
@ -2255,10 +2278,15 @@ macro (ip)
++mips_noreorder; ++mips_noreorder;
mips_any_noreorder = 1; mips_any_noreorder = 1;
macro_build ((char *) NULL, &icnt, NULL, s, "z,s,t", sreg, treg); macro_build ((char *) NULL, &icnt, NULL, s, "z,s,t", sreg, treg);
expr1.X_add_number = 8; if (mips_trap)
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", treg, 0); macro_build ((char *) NULL, &icnt, NULL, "teq", "s,t", treg, 0);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7); {
expr1.X_add_number = 8;
macro_build ((char *) NULL, &icnt, &expr1, "bne", "s,t,p", treg, 0);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0);
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 7);
}
--mips_noreorder; --mips_noreorder;
macro_build ((char *) NULL, &icnt, NULL, s2, "d", dreg); macro_build ((char *) NULL, &icnt, NULL, s2, "d", dreg);
return; return;
@ -2299,7 +2327,7 @@ macro (ip)
p = NULL; p = NULL;
else else
{ {
frag_grow (12); frag_grow (20);
macro_build ((char *) NULL, &icnt, &offset_expr, macro_build ((char *) NULL, &icnt, &offset_expr,
mips_isa < 3 ? "addiu" : "daddiu", mips_isa < 3 ? "addiu" : "daddiu",
"t,r,j", tempreg, GP, (int) BFD_RELOC_MIPS_GPREL); "t,r,j", tempreg, GP, (int) BFD_RELOC_MIPS_GPREL);
@ -2346,7 +2374,7 @@ macro (ip)
addiu instruction. */ addiu instruction. */
expr1.X_add_number = offset_expr.X_add_number; expr1.X_add_number = offset_expr.X_add_number;
offset_expr.X_add_number = 0; offset_expr.X_add_number = 0;
frag_grow (24); frag_grow (32);
macro_build ((char *) NULL, &icnt, &offset_expr, macro_build ((char *) NULL, &icnt, &offset_expr,
mips_isa < 3 ? "lw" : "ld", mips_isa < 3 ? "lw" : "ld",
"t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT16, GP); "t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT16, GP);
@ -2515,7 +2543,7 @@ macro (ip)
nop nop
lw $gp,cprestore($sp) lw $gp,cprestore($sp)
*/ */
frag_grow (12); frag_grow (20);
macro_build ((char *) NULL, &icnt, &offset_expr, macro_build ((char *) NULL, &icnt, &offset_expr,
mips_isa < 3 ? "lw" : "ld", mips_isa < 3 ? "lw" : "ld",
"t,o(b)", PIC_CALL_REG, (int) BFD_RELOC_MIPS_CALL16, GP); "t,o(b)", PIC_CALL_REG, (int) BFD_RELOC_MIPS_CALL16, GP);
@ -2724,7 +2752,7 @@ macro (ip)
p = NULL; p = NULL;
else else
{ {
frag_grow (12); frag_grow (20);
macro_build ((char *) NULL, &icnt, &offset_expr, s, fmt, macro_build ((char *) NULL, &icnt, &offset_expr, s, fmt,
treg, (int) BFD_RELOC_MIPS_GPREL, GP); treg, (int) BFD_RELOC_MIPS_GPREL, GP);
p = frag_var (rs_machine_dependent, 8, 0, p = frag_var (rs_machine_dependent, 8, 0,
@ -2747,7 +2775,7 @@ macro (ip)
p = NULL; p = NULL;
else else
{ {
frag_grow (20); frag_grow (28);
macro_build ((char *) NULL, &icnt, (expressionS *) NULL, macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
mips_isa < 3 ? "addu" : "daddu", mips_isa < 3 ? "addu" : "daddu",
"d,v,t", tempreg, breg, GP); "d,v,t", tempreg, breg, GP);
@ -2793,7 +2821,7 @@ macro (ip)
if (expr1.X_add_number < -0x8000 if (expr1.X_add_number < -0x8000
|| expr1.X_add_number >= 0x8000) || expr1.X_add_number >= 0x8000)
as_bad ("PIC code offset overflow (max 16 signed bits)"); as_bad ("PIC code offset overflow (max 16 signed bits)");
frag_grow (12); frag_grow (20);
macro_build ((char *) NULL, &icnt, &offset_expr, macro_build ((char *) NULL, &icnt, &offset_expr,
mips_isa < 3 ? "lw" : "ld", mips_isa < 3 ? "lw" : "ld",
"t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT16, GP); "t,o(b)", tempreg, (int) BFD_RELOC_MIPS_GOT16, GP);
@ -3028,14 +3056,14 @@ macro (ip)
if (breg == 0) if (breg == 0)
{ {
frag_grow (20); frag_grow (28);
tempreg = GP; tempreg = GP;
off = 0; off = 0;
used_at = 0; used_at = 0;
} }
else else
{ {
frag_grow (28); frag_grow (36);
macro_build ((char *) NULL, &icnt, (expressionS *) NULL, macro_build ((char *) NULL, &icnt, (expressionS *) NULL,
mips_isa < 3 ? "addu" : "daddu", mips_isa < 3 ? "addu" : "daddu",
"d,v,t", AT, breg, GP); "d,v,t", AT, breg, GP);
@ -3117,7 +3145,7 @@ macro (ip)
off = 0; off = 0;
else else
off = 4; off = 4;
frag_grow (16 + off); frag_grow (24 + off);
macro_build ((char *) NULL, &icnt, &offset_expr, macro_build ((char *) NULL, &icnt, &offset_expr,
mips_isa < 3 ? "lw" : "ld", mips_isa < 3 ? "lw" : "ld",
"t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT16, GP); "t,o(b)", AT, (int) BFD_RELOC_MIPS_GOT16, GP);
@ -3236,10 +3264,15 @@ macro2 (ip)
dbl ? "dsra32" : "sra", dbl ? "dsra32" : "sra",
"d,w,<", dreg, dreg, 31); "d,w,<", dreg, dreg, 31);
macro_build ((char *) NULL, &icnt, NULL, "mfhi", "d", AT); macro_build ((char *) NULL, &icnt, NULL, "mfhi", "d", AT);
expr1.X_add_number = 8; if (mips_trap)
macro_build ((char *) NULL, &icnt, &expr1, "beq", "s,t,p", dreg, AT); macro_build ((char *) NULL, &icnt, NULL, "tne", "s,t", dreg, AT);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6); {
expr1.X_add_number = 8;
macro_build ((char *) NULL, &icnt, &expr1, "beq", "s,t,p", dreg, AT);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0);
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6);
}
--mips_noreorder; --mips_noreorder;
macro_build ((char *) NULL, &icnt, NULL, "mflo", "d", dreg); macro_build ((char *) NULL, &icnt, NULL, "mflo", "d", dreg);
break; break;
@ -3255,10 +3288,15 @@ macro2 (ip)
"s,t", sreg, treg); "s,t", sreg, treg);
macro_build ((char *) NULL, &icnt, NULL, "mfhi", "d", AT); macro_build ((char *) NULL, &icnt, NULL, "mfhi", "d", AT);
macro_build ((char *) NULL, &icnt, NULL, "mflo", "d", dreg); macro_build ((char *) NULL, &icnt, NULL, "mflo", "d", dreg);
expr1.X_add_number = 8; if (mips_trap)
macro_build ((char *) NULL, &icnt, &expr1, "beq", "s,t,p", AT, 0); macro_build ((char *) NULL, &icnt, NULL, "tne", "s,t", AT, 0);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0); else
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6); {
expr1.X_add_number = 8;
macro_build ((char *) NULL, &icnt, &expr1, "beq", "s,t,p", AT, 0);
macro_build ((char *) NULL, &icnt, NULL, "nop", "", 0);
macro_build ((char *) NULL, &icnt, NULL, "break", "c", 6);
}
--mips_noreorder; --mips_noreorder;
break; break;
@ -3615,11 +3653,17 @@ macro2 (ip)
case M_ULHU: case M_ULHU:
s = "lbu"; s = "lbu";
ulh: ulh:
if (offset_expr.X_add_number >= 0x7fff)
as_bad ("operand overflow");
/* avoid load delay */ /* avoid load delay */
offset_expr.X_add_number += 1; if (byte_order == LITTLE_ENDIAN)
offset_expr.X_add_number += 1;
macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &offset_expr, s, "t,o(b)", treg,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
offset_expr.X_add_number -= 1; if (byte_order == LITTLE_ENDIAN)
offset_expr.X_add_number -= 1;
else
offset_expr.X_add_number += 1;
macro_build ((char *) NULL, &icnt, &offset_expr, "lbu", "t,o(b)", AT, macro_build ((char *) NULL, &icnt, &offset_expr, "lbu", "t,o(b)", AT,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
macro_build ((char *) NULL, &icnt, NULL, "sll", "d,w,<", treg, treg, 8); macro_build ((char *) NULL, &icnt, NULL, "sll", "d,w,<", treg, treg, 8);
@ -3627,11 +3671,16 @@ macro2 (ip)
break; break;
case M_ULW: case M_ULW:
/* does this work on a big endian machine? */ if (offset_expr.X_add_number >= 0x7ffd)
offset_expr.X_add_number += 3; as_bad ("operand overflow");
if (byte_order == LITTLE_ENDIAN)
offset_expr.X_add_number += 3;
macro_build ((char *) NULL, &icnt, &offset_expr, "lwl", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &offset_expr, "lwl", "t,o(b)", treg,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
offset_expr.X_add_number -= 3; if (byte_order == LITTLE_ENDIAN)
offset_expr.X_add_number -= 3;
else
offset_expr.X_add_number += 3;
macro_build ((char *) NULL, &icnt, &offset_expr, "lwr", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &offset_expr, "lwr", "t,o(b)", treg,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
return; return;
@ -3642,19 +3691,30 @@ macro2 (ip)
load_address (&icnt, AT, &offset_expr); load_address (&icnt, AT, &offset_expr);
if (mask == M_ULW_A) if (mask == M_ULW_A)
{ {
expr1.X_add_number = 3; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 3;
else
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, "lwl", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &expr1, "lwl", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
expr1.X_add_number = 0; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 0;
else
expr1.X_add_number = 3;
macro_build ((char *) NULL, &icnt, &expr1, "lwr", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &expr1, "lwr", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
} }
else else
{ {
if (byte_order == BIG_ENDIAN)
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, macro_build ((char *) NULL, &icnt, &expr1,
mask == M_ULH_A ? "lb" : "lbu", "t,o(b)", treg, mask == M_ULH_A ? "lb" : "lbu", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
expr1.X_add_number = 0; if (byte_order == BIG_ENDIAN)
expr1.X_add_number = 1;
else
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, "lbu", "t,o(b)", AT, macro_build ((char *) NULL, &icnt, &expr1, "lbu", "t,o(b)", AT,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
macro_build ((char *) NULL, &icnt, NULL, "sll", "d,w,<", treg, macro_build ((char *) NULL, &icnt, NULL, "sll", "d,w,<", treg,
@ -3665,19 +3725,32 @@ macro2 (ip)
break; break;
case M_USH: case M_USH:
if (offset_expr.X_add_number >= 0x7fff)
as_bad ("operand overflow");
if (byte_order == BIG_ENDIAN)
offset_expr.X_add_number += 1;
macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", treg,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
macro_build ((char *) NULL, &icnt, NULL, "srl", "d,w,<", AT, treg, 8); macro_build ((char *) NULL, &icnt, NULL, "srl", "d,w,<", AT, treg, 8);
offset_expr.X_add_number += 1; if (byte_order == BIG_ENDIAN)
offset_expr.X_add_number -= 1;
else
offset_expr.X_add_number += 1;
macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", AT, macro_build ((char *) NULL, &icnt, &offset_expr, "sb", "t,o(b)", AT,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
break; break;
case M_USW: case M_USW:
offset_expr.X_add_number += 3; if (offset_expr.X_add_number >= 0x7ffd)
as_bad ("operand overflow");
if (byte_order == LITTLE_ENDIAN)
offset_expr.X_add_number += 3;
macro_build ((char *) NULL, &icnt, &offset_expr, "swl", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &offset_expr, "swl", "t,o(b)", treg,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
offset_expr.X_add_number -= 3; if (byte_order == LITTLE_ENDIAN)
offset_expr.X_add_number -= 3;
else
offset_expr.X_add_number += 3;
macro_build ((char *) NULL, &icnt, &offset_expr, "swr", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &offset_expr, "swr", "t,o(b)", treg,
(int) BFD_RELOC_LO16, breg); (int) BFD_RELOC_LO16, breg);
return; return;
@ -3687,24 +3760,37 @@ macro2 (ip)
load_address (&icnt, AT, &offset_expr); load_address (&icnt, AT, &offset_expr);
if (mask == M_USW_A) if (mask == M_USW_A)
{ {
expr1.X_add_number = 3; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 3;
else
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, "swl", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &expr1, "swl", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
expr1.X_add_number = 0; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 0;
else
expr1.X_add_number = 3;
macro_build ((char *) NULL, &icnt, &expr1, "swr", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &expr1, "swr", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
} }
else else
{ {
expr1.X_add_number = 0; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, "sb", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &expr1, "sb", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
macro_build ((char *) NULL, &icnt, NULL, "srl", "d,w,<", treg, macro_build ((char *) NULL, &icnt, NULL, "srl", "d,w,<", treg,
treg, 8); treg, 8);
expr1.X_add_number = 1; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 1;
else
expr1.X_add_number = 0;
macro_build ((char *) NULL, &icnt, &expr1, "sb", "t,o(b)", treg, macro_build ((char *) NULL, &icnt, &expr1, "sb", "t,o(b)", treg,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
expr1.X_add_number = 0; if (byte_order == LITTLE_ENDIAN)
expr1.X_add_number = 0;
else
expr1.X_add_number = 1;
macro_build ((char *) NULL, &icnt, &expr1, "lbu", "t,o(b)", AT, macro_build ((char *) NULL, &icnt, &expr1, "lbu", "t,o(b)", AT,
(int) BFD_RELOC_LO16, AT); (int) BFD_RELOC_LO16, AT);
macro_build ((char *) NULL, &icnt, NULL, "sll", "d,w,<", treg, macro_build ((char *) NULL, &icnt, NULL, "sll", "d,w,<", treg,
@ -4700,6 +4786,28 @@ md_parse_option (argP, cntP, vecP)
return 1; /* pretend you parsed the character */ return 1; /* pretend you parsed the character */
} }
/* Handle a long option name. */
int
mips_parse_long_option (arg)
const char *arg;
{
if (strcmp (arg, "--trap") == 0
|| strcmp (arg, "--no-break") == 0)
{
mips_trap = 1;
return 1;
}
else if (strcmp (arg, "--no-trap") == 0
|| strcmp (arg, "--break") == 0)
{
mips_trap = 0;
return 1;
}
return 0;
}
long long
md_pcrel_from (fixP) md_pcrel_from (fixP)
fixS *fixP; fixS *fixP;
@ -5082,13 +5190,10 @@ s_extern (x)
if (*input_line_pointer == ',') if (*input_line_pointer == ',')
input_line_pointer++; input_line_pointer++;
size = get_absolute_expression (); size = get_absolute_expression ();
S_SET_VALUE (symbolP, size);
S_SET_EXTERNAL (symbolP); S_SET_EXTERNAL (symbolP);
#ifdef ECOFF_DEBUGGING #ifdef ECOFF_DEBUGGING
/* ECOFF needs to distinguish a .comm symbol from a .extern symbol, symbolP->ecoff_extern_size = size;
so we use an additional ECOFF specific field. */
symbolP->ecoff_undefined = 1;
#endif #endif
} }
@ -5480,8 +5585,10 @@ md_estimate_size_before_relax (fragp, segtype)
|| strcmp (symname, "_gp_disp") == 0)) || strcmp (symname, "_gp_disp") == 0))
change = 1; change = 1;
else if (! S_IS_DEFINED (fragp->fr_symbol) else if (! S_IS_DEFINED (fragp->fr_symbol)
&& S_GET_VALUE (fragp->fr_symbol) != 0 && ((fragp->fr_symbol->ecoff_extern_size != 0
&& S_GET_VALUE (fragp->fr_symbol) <= g_switch_value) && fragp->fr_symbol->ecoff_extern_size <= g_switch_value)
|| (S_GET_VALUE (fragp->fr_symbol) != 0
&& S_GET_VALUE (fragp->fr_symbol) <= g_switch_value)))
change = 0; change = 0;
else else
{ {