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riscv-gcc-1
Commit 8d933e31 by Adrian Straetling Committed by Ulrich Weigand
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s390.c: (s390_branch_condition_mask... 

2005-05-09  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.c: (s390_branch_condition_mask,
	s390_branch_condition_mnemonic, s390_extra_constraint_str,
	s390_const_ok_for_constraint_p, s390_expand_plus_operand,
	legitimize_pic_address, s390_emit_tls_call_insn,
	legitimize_tls_address, legitimize_tls_address,
	s390_expand_addcc, print_shift_count_operand, print_operand,
	addr_generation_dependency_p, annotate_constant_pool_refs,
	s390_split_branches, find_constant_pool_ref,
	replace_constant_pool_ref, s390_add_constant, s390_find_constant,
	s390_find_execute, s390_mainpool_start, s390_chunkify_start,
	s390_output_pool_entry, s390_function_value,
	s390_call_saved_register_used, s390_emit_call): Replace
	conditional aborts by gcc_assert and unconditional by gcc_unreachable.
	(s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
	s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
	get_some_local_dynamic_name, s390_function_arg_size,
	s390_function_arg_advance, s390_function_arg,
	s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
	default case by gcc_unreachable.
	* config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
	conditional abort by gcc_assert.
	("doloop_si31"): Replace abort in last else by gcc_unreachable.
	("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.

From-SVN: r99466
parent 5d81b82b
Showing with 142 additions and 147 deletions
gcc/ChangeLog
2005-05-09 Adrian Straetling <straetling@de.ibm.com>
* config/s390/s390.c: (s390_branch_condition_mask,
s390_branch_condition_mnemonic, s390_extra_constraint_str,
s390_const_ok_for_constraint_p, s390_expand_plus_operand,
legitimize_pic_address, s390_emit_tls_call_insn,
legitimize_tls_address, legitimize_tls_address,
s390_expand_addcc, print_shift_count_operand, print_operand,
addr_generation_dependency_p, annotate_constant_pool_refs,
s390_split_branches, find_constant_pool_ref,
replace_constant_pool_ref, s390_add_constant, s390_find_constant,
s390_find_execute, s390_mainpool_start, s390_chunkify_start,
s390_output_pool_entry, s390_function_value,
s390_call_saved_register_used, s390_emit_call): Replace
conditional aborts by gcc_assert and unconditional by gcc_unreachable.
(s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
get_some_local_dynamic_name, s390_function_arg_size,
s390_function_arg_advance, s390_function_arg,
s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
default case by gcc_unreachable.
* config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
conditional abort by gcc_assert.
("doloop_si31"): Replace abort in last else by gcc_unreachable.
("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
2005-05-09 Adrian Straetling <straetling@de.ibm.com>
* config/s390/s390.c: (s390_decompose_address,
tls_symbolic_operand, legitimate_pic_operand_p,
legitimate_constant_p, legitimate_reload_constant_p,
......
gcc/config/s390/s390.c
......@@ -264,8 +264,7 @@ s390_match_ccmode_set (rtx set, enum machine_mode req_mode)
{
enum machine_mode set_mode;
if (GET_CODE (set) != SET)
abort ();
gcc_assert (GET_CODE (set) == SET);
if (GET_CODE (SET_DEST (set)) != REG || !CC_REGNO_P (REGNO (SET_DEST (set))))
return 1;
......@@ -301,7 +300,7 @@ s390_match_ccmode_set (rtx set, enum machine_mode req_mode)
break;
default:
abort ();
gcc_unreachable ();
}
return (GET_MODE (SET_SRC (set)) == set_mode);
......@@ -485,7 +484,7 @@ s390_select_ccmode (enum rtx_code code, rtx op0, rtx op1)
return CCUmode;
default:
abort ();
gcc_unreachable ();
}
}
......@@ -639,10 +638,9 @@ s390_branch_condition_mask (rtx code)
const int CC2 = 1 << 1;
const int CC3 = 1 << 0;
if (GET_CODE (XEXP (code, 0)) != REG
|| REGNO (XEXP (code, 0)) != CC_REGNUM
|| XEXP (code, 1) != const0_rtx)
abort ();
gcc_assert (GET_CODE (XEXP (code, 0)) == REG);
gcc_assert (REGNO (XEXP (code, 0)) == CC_REGNUM);
gcc_assert (XEXP (code, 1) == const0_rtx);
switch (GET_MODE (XEXP (code, 0)))
{
......@@ -841,8 +839,7 @@ s390_branch_condition_mnemonic (rtx code, int inv)
if (inv)
mask ^= 15;
if (mask < 1 || mask > 14)
abort ();
gcc_assert (mask >= 1 && mask <= 14);
return mnemonic[mask];
}
......@@ -872,7 +869,7 @@ s390_extract_part (rtx op, enum machine_mode mode, int def)
return value & part_mask;
}
abort ();
gcc_unreachable ();
}
/* If OP is an integer constant of mode MODE with exactly one
......@@ -1563,8 +1560,7 @@ s390_extra_constraint_str (rtx op, int c, const char * str)
{
struct s390_address addr;
if (c != str[0])
abort ();
gcc_assert (c == str[0]);
/* Check for offsettable variants of memory constraints. */
if (c == 'A')
......@@ -1692,8 +1688,7 @@ s390_const_ok_for_constraint_p (HOST_WIDE_INT value,
int def;
int part, part_goal;
if (c != str[0])
abort ();
gcc_assert (c == str[0]);
switch (str[0])
{
......@@ -2162,7 +2157,7 @@ s390_cannot_force_const_mem (rtx x)
break;
default:
abort ();
gcc_unreachable ();
}
}
......@@ -2295,8 +2290,8 @@ s390_expand_plus_operand (rtx target, rtx src,
struct s390_address ad;
/* src must be a PLUS; get its two operands. */
if (GET_CODE (src) != PLUS || GET_MODE (src) != Pmode)
abort ();
gcc_assert (GET_CODE (src) == PLUS);
gcc_assert (GET_MODE (src) == Pmode);
/* Check if any of the two operands is already scheduled
for replacement by reload. This can happen e.g. when
......@@ -2330,7 +2325,7 @@ s390_expand_plus_operand (rtx target, rtx src,
if (sum1 == scratch && sum2 == scratch)
{
debug_rtx (src);
abort ();
gcc_unreachable ();
}
src = gen_rtx_PLUS (Pmode, sum1, sum2);
......@@ -2550,8 +2545,7 @@ legitimize_pic_address (rtx orig, rtx reg)
addr = XEXP (addr, 0);
if (GET_CODE (addr) == UNSPEC)
{
if (XVECLEN (addr, 0) != 1)
abort ();
gcc_assert (XVECLEN (addr, 0) == 1);
switch (XINT (addr, 1))
{
/* If someone moved a GOT-relative UNSPEC
......@@ -2599,11 +2593,11 @@ legitimize_pic_address (rtx orig, rtx reg)
/* Everything else cannot happen. */
default:
abort ();
gcc_unreachable ();
}
}
else if (GET_CODE (addr) != PLUS)
abort ();
else
gcc_assert (GET_CODE (addr) == PLUS);
}
if (GET_CODE (addr) == PLUS)
{
......@@ -2677,8 +2671,7 @@ legitimize_pic_address (rtx orig, rtx reg)
&& GET_CODE (op1) == CONST_INT
&& XINT (op0, 1) == UNSPEC_GOTOFF)
{
if (XVECLEN (op0, 0) != 1)
abort ();
gcc_assert (XVECLEN (op0, 0) == 1);
new = force_const_mem (Pmode, orig);
}
......@@ -2735,8 +2728,7 @@ s390_emit_tls_call_insn (rtx result_reg, rtx tls_call)
{
rtx insn;
if (!flag_pic)
abort ();
gcc_assert (flag_pic);
if (!s390_tls_symbol)
s390_tls_symbol = gen_rtx_SYMBOL_REF (Pmode, "__tls_get_offset");
......@@ -2908,7 +2900,7 @@ legitimize_tls_address (rtx addr, rtx reg)
break;
default:
abort ();
gcc_unreachable ();
}
else if (GET_CODE (addr) == CONST && GET_CODE (XEXP (addr, 0)) == UNSPEC)
......@@ -2916,14 +2908,12 @@ legitimize_tls_address (rtx addr, rtx reg)
switch (XINT (XEXP (addr, 0), 1))
{
case UNSPEC_INDNTPOFF:
if (TARGET_CPU_ZARCH)
new = addr;
else
abort ();
gcc_assert (TARGET_CPU_ZARCH);
new = addr;
break;
default:
abort ();
gcc_unreachable ();
}
}
......@@ -2940,7 +2930,7 @@ legitimize_tls_address (rtx addr, rtx reg)
}
else
abort (); /* for now ... */
gcc_unreachable (); /* for now ... */
return new;
}
......@@ -3373,6 +3363,7 @@ s390_expand_addcc (enum rtx_code cmp_code, rtx cmp_op0, rtx cmp_op1,
rtx op_res;
rtx insn;
rtvec p;
int ret;
if ((GET_MODE (cmp_op0) == SImode || GET_MODE (cmp_op0) == VOIDmode)
&& (GET_MODE (cmp_op1) == SImode || GET_MODE (cmp_op1) == VOIDmode))
......@@ -3428,8 +3419,8 @@ s390_expand_addcc (enum rtx_code cmp_code, rtx cmp_op0, rtx cmp_op1,
insn = gen_rtx_SET (VOIDmode, gen_rtx_REG (cc_mode, CC_REGNUM),
gen_rtx_COMPARE (cc_mode, cmp_op0, cmp_op1));
/* We use insn_invalid_p here to add clobbers if required. */
if (insn_invalid_p (emit_insn (insn)))
abort ();
ret = insn_invalid_p (emit_insn (insn));
gcc_assert (!ret);
/* Emit ALC instruction pattern. */
op_res = gen_rtx_fmt_ee (cmp_code, GET_MODE (dst),
......@@ -3500,8 +3491,8 @@ s390_expand_addcc (enum rtx_code cmp_code, rtx cmp_op0, rtx cmp_op1,
insn = gen_rtx_SET (VOIDmode, gen_rtx_REG (cc_mode, CC_REGNUM),
gen_rtx_COMPARE (cc_mode, cmp_op0, cmp_op1));
/* We use insn_invalid_p here to add clobbers if required. */
if (insn_invalid_p (emit_insn (insn)))
abort ();
ret = insn_invalid_p (emit_insn (insn));
gcc_assert (!ret);
/* Emit SLB instruction pattern. */
if (!register_operand (src, GET_MODE (dst)))
......@@ -3541,7 +3532,7 @@ s390_output_dwarf_dtprel (FILE *file, int size, rtx x)
fputs ("\t.quad\t", file);
break;
default:
abort ();
gcc_unreachable ();
}
output_addr_const (file, x);
fputs ("@DTPOFF", file);
......@@ -3607,10 +3598,12 @@ print_shift_count_operand (FILE *file, rtx op)
op = SUBREG_REG (op);
/* Sanity check. */
if (op && (GET_CODE (op) != REG
|| REGNO (op) >= FIRST_PSEUDO_REGISTER
|| REGNO_REG_CLASS (REGNO (op)) != ADDR_REGS))
abort ();
if (op)
{
gcc_assert (GET_CODE (op) == REG);
gcc_assert (REGNO (op) < FIRST_PSEUDO_REGISTER);
gcc_assert (REGNO_REG_CLASS (REGNO (op)) == ADDR_REGS);
}
/* Shift counts are truncated to the low six bits anyway. */
fprintf (file, HOST_WIDE_INT_PRINT_DEC, offset & 63);
......@@ -3657,7 +3650,7 @@ get_some_local_dynamic_name (void)
&& for_each_rtx (&PATTERN (insn), get_some_local_dynamic_name_1, 0))
return cfun->machine->some_ld_name;
abort ();
gcc_unreachable ();
}
/* Output machine-dependent UNSPECs occurring in address constant X
......@@ -3794,18 +3787,19 @@ print_operand (FILE *file, rtx x, int code)
assemble_name (file, get_some_local_dynamic_name ());
}
else
abort ();
gcc_unreachable ();
return;
case 'O':
{
struct s390_address ad;
int ret;
if (GET_CODE (x) != MEM
|| !s390_decompose_address (XEXP (x, 0), &ad)
|| (ad.base && !REG_OK_FOR_BASE_STRICT_P (ad.base))
|| ad.indx)
abort ();
gcc_assert (GET_CODE (x) == MEM);
ret = s390_decompose_address (XEXP (x, 0), &ad);
gcc_assert (ret);
gcc_assert (!ad.base || REG_OK_FOR_BASE_STRICT_P (ad.base));
gcc_assert (!ad.indx);
if (ad.disp)
output_addr_const (file, ad.disp);
......@@ -3817,12 +3811,13 @@ print_operand (FILE *file, rtx x, int code)
case 'R':
{
struct s390_address ad;
int ret;
if (GET_CODE (x) != MEM
|| !s390_decompose_address (XEXP (x, 0), &ad)
|| (ad.base && !REG_OK_FOR_BASE_STRICT_P (ad.base))
|| ad.indx)
abort ();
gcc_assert (GET_CODE (x) == MEM);
ret = s390_decompose_address (XEXP (x, 0), &ad);
gcc_assert (ret);
gcc_assert (!ad.base || REG_OK_FOR_BASE_STRICT_P (ad.base));
gcc_assert (!ad.indx);
if (ad.base)
fprintf (file, "%s", reg_names[REGNO (ad.base)]);
......@@ -3834,12 +3829,13 @@ print_operand (FILE *file, rtx x, int code)
case 'S':
{
struct s390_address ad;
int ret;
if (GET_CODE (x) != MEM
|| !s390_decompose_address (XEXP (x, 0), &ad)
|| (ad.base && !REG_OK_FOR_BASE_STRICT_P (ad.base))
|| ad.indx)
abort ();
gcc_assert (GET_CODE (x) == MEM);
ret = s390_decompose_address (XEXP (x, 0), &ad);
gcc_assert (ret);
gcc_assert (!ad.base || REG_OK_FOR_BASE_STRICT_P (ad.base));
gcc_assert (!ad.indx);
if (ad.disp)
output_addr_const (file, ad.disp);
......@@ -3857,7 +3853,7 @@ print_operand (FILE *file, rtx x, int code)
else if (GET_CODE (x) == MEM)
x = change_address (x, VOIDmode, plus_constant (XEXP (x, 0), 4));
else
abort ();
gcc_unreachable ();
break;
case 'M':
......@@ -3866,7 +3862,7 @@ print_operand (FILE *file, rtx x, int code)
else if (GET_CODE (x) == MEM)
x = change_address (x, VOIDmode, plus_constant (XEXP (x, 0), 8));
else
abort ();
gcc_unreachable ();
break;
case 'Y':
......@@ -3909,8 +3905,7 @@ print_operand (FILE *file, rtx x, int code)
break;
case CONST_DOUBLE:
if (GET_MODE (x) != VOIDmode)
abort ();
gcc_assert (GET_MODE (x) == VOIDmode);
if (code == 'b')
fprintf (file, HOST_WIDE_INT_PRINT_DEC, CONST_DOUBLE_LOW (x) & 0xff);
else if (code == 'x')
......@@ -3918,7 +3913,7 @@ print_operand (FILE *file, rtx x, int code)
else if (code == 'h')
fprintf (file, HOST_WIDE_INT_PRINT_DEC, ((CONST_DOUBLE_LOW (x) & 0xffff) ^ 0x8000) - 0x8000);
else
abort ();
gcc_unreachable ();
break;
default:
......@@ -4011,14 +4006,11 @@ addr_generation_dependency_p (rtx dep_rtx, rtx insn)
pat = PATTERN (insn);
if (GET_CODE (pat) == PARALLEL)
{
if (XVECLEN (pat, 0) != 2)
abort();
gcc_assert (XVECLEN (pat, 0) == 2);
pat = XVECEXP (pat, 0, 0);
}
if (GET_CODE (pat) == SET)
return refers_to_regno_p (regno, regno+1, SET_SRC (pat), 0);
else
abort();
gcc_assert (GET_CODE (pat) == SET);
return refers_to_regno_p (regno, regno+1, SET_SRC (pat), 0);
}
else if (get_attr_atype (insn) == ATYPE_AGEN)
return reg_used_in_mem_p (regno, PATTERN (insn));
......@@ -4108,9 +4100,8 @@ annotate_constant_pool_refs (rtx *x)
int i, j;
const char *fmt;
if (GET_CODE (*x) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (*x))
abort ();
gcc_assert (GET_CODE (*x) != SYMBOL_REF
|| !CONSTANT_POOL_ADDRESS_P (*x));
/* Literal pool references can only occur inside a MEM ... */
if (GET_CODE (*x) == MEM)
......@@ -4210,7 +4201,7 @@ static int
s390_split_branches (void)
{
rtx temp_reg = gen_rtx_REG (Pmode, RETURN_REGNUM);
int new_literal = 0;
int new_literal = 0, ret;
rtx insn, pat, tmp, target;
rtx *label;
......@@ -4281,8 +4272,8 @@ s390_split_branches (void)
target = gen_rtx_PLUS (Pmode, temp_reg, target);
}
if (!validate_change (insn, label, target, 0))
abort ();
ret = validate_change (insn, label, target, 0);
gcc_assert (ret);
}
return new_literal;
......@@ -4312,21 +4303,19 @@ find_constant_pool_ref (rtx x, rtx *ref)
&& XINT (x, 1) == UNSPECV_POOL_ENTRY)
return;
if (GET_CODE (x) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (x))
abort ();
gcc_assert (GET_CODE (x) != SYMBOL_REF
|| !CONSTANT_POOL_ADDRESS_P (x));
if (GET_CODE (x) == UNSPEC && XINT (x, 1) == UNSPEC_LTREF)
{
rtx sym = XVECEXP (x, 0, 0);
if (GET_CODE (sym) != SYMBOL_REF
|| !CONSTANT_POOL_ADDRESS_P (sym))
abort ();
gcc_assert (GET_CODE (sym) == SYMBOL_REF
&& CONSTANT_POOL_ADDRESS_P (sym));
if (*ref == NULL_RTX)
*ref = sym;
else if (*ref != sym)
abort ();
else
gcc_assert (*ref == sym);
return;
}
......@@ -4355,8 +4344,7 @@ replace_constant_pool_ref (rtx *x, rtx ref, rtx offset)
int i, j;
const char *fmt;
if (*x == ref)
abort ();
gcc_assert (*x != ref);
if (GET_CODE (*x) == UNSPEC
&& XINT (*x, 1) == UNSPEC_LTREF
......@@ -4581,8 +4569,7 @@ s390_add_constant (struct constant_pool *pool, rtx val, enum machine_mode mode)
for (i = 0; i < NR_C_MODES; i++)
if (constant_modes[i] == mode)
break;
if (i == NR_C_MODES)
abort ();
gcc_assert (i != NR_C_MODES);
for (c = pool->constants[i]; c != NULL; c = c->next)
if (rtx_equal_p (val, c->value))
......@@ -4614,15 +4601,13 @@ s390_find_constant (struct constant_pool *pool, rtx val,
for (i = 0; i < NR_C_MODES; i++)
if (constant_modes[i] == mode)
break;
if (i == NR_C_MODES)
abort ();
gcc_assert (i != NR_C_MODES);
for (c = pool->constants[i]; c != NULL; c = c->next)
if (rtx_equal_p (val, c->value))
break;
if (c == NULL)
abort ();
gcc_assert (c);
offset = gen_rtx_MINUS (Pmode, gen_rtx_LABEL_REF (Pmode, c->label),
gen_rtx_LABEL_REF (Pmode, pool->label));
......@@ -4684,8 +4669,7 @@ s390_find_execute (struct constant_pool *pool, rtx insn)
if (INSN_UID (insn) == INSN_UID (c->value))
break;
if (c == NULL)
abort ();
gcc_assert (c);
offset = gen_rtx_MINUS (Pmode, gen_rtx_LABEL_REF (Pmode, c->label),
gen_rtx_LABEL_REF (Pmode, pool->label));
......@@ -4886,8 +4870,7 @@ s390_mainpool_start (void)
&& GET_CODE (SET_SRC (PATTERN (insn))) == UNSPEC_VOLATILE
&& XINT (SET_SRC (PATTERN (insn)), 1) == UNSPECV_MAIN_POOL)
{
if (pool->pool_insn)
abort ();
gcc_assert (!pool->pool_insn);
pool->pool_insn = insn;
}
......@@ -4908,8 +4891,7 @@ s390_mainpool_start (void)
}
}
if (!pool->pool_insn && pool->size > 0)
abort ();
gcc_assert (pool->pool_insn || pool->size == 0);
if (pool->size >= 4096)
{
......@@ -5087,10 +5069,8 @@ s390_chunkify_start (void)
rtx ltrel_base = find_ltrel_base (PATTERN (insn));
if (ltrel_base)
{
if (ltrel_base == pending_ltrel)
pending_ltrel = NULL_RTX;
else
abort ();
gcc_assert (ltrel_base == pending_ltrel);
pending_ltrel = NULL_RTX;
}
}
......@@ -5123,8 +5103,7 @@ s390_chunkify_start (void)
&& GET_CODE (XEXP (constant, 0)) == UNSPEC
&& XINT (XEXP (constant, 0), 1) == UNSPEC_LTREL_OFFSET)
{
if (pending_ltrel)
abort ();
gcc_assert (!pending_ltrel);
pending_ltrel = pool_ref;
}
}
......@@ -5135,8 +5114,7 @@ s390_chunkify_start (void)
if (curr_pool)
s390_add_pool_insn (curr_pool, insn);
/* An LTREL_BASE must follow within the same basic block. */
if (pending_ltrel)
abort ();
gcc_assert (!pending_ltrel);
}
if (!curr_pool
......@@ -5214,9 +5192,7 @@ s390_chunkify_start (void)
if (curr_pool)
s390_end_pool (curr_pool, NULL_RTX);
if (pending_ltrel)
abort ();
gcc_assert (!pending_ltrel);
/* Find all labels that are branched into
from an insn belonging to a different chunk. */
......@@ -5456,8 +5432,7 @@ s390_output_pool_entry (rtx exp, enum machine_mode mode, unsigned int align)
switch (GET_MODE_CLASS (mode))
{
case MODE_FLOAT:
if (GET_CODE (exp) != CONST_DOUBLE)
abort ();
gcc_assert (GET_CODE (exp) == CONST_DOUBLE);
REAL_VALUE_FROM_CONST_DOUBLE (r, exp);
assemble_real (r, mode, align);
......@@ -5468,7 +5443,7 @@ s390_output_pool_entry (rtx exp, enum machine_mode mode, unsigned int align)
break;
default:
abort ();
gcc_unreachable ();
}
}
......@@ -6557,7 +6532,7 @@ s390_function_arg_size (enum machine_mode mode, tree type)
return GET_MODE_SIZE (mode);
/* If we have neither type nor mode, abort */
abort ();
gcc_unreachable ();
}
/* Return true if a function argument of type TYPE and mode MODE
......@@ -6685,7 +6660,7 @@ s390_function_arg_advance (CUMULATIVE_ARGS *cum, enum machine_mode mode,
cum->gprs += ((size + UNITS_PER_WORD-1) / UNITS_PER_WORD);
}
else
abort ();
gcc_unreachable ();
}
/* Define where to put the arguments to a function.
......@@ -6737,7 +6712,7 @@ s390_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, tree type,
else if (type == void_type_node)
return const0_rtx;
abort ();
gcc_unreachable ();
}
/* Return true if return values of type TYPE should be returned
......@@ -6780,11 +6755,9 @@ s390_function_value (tree type, enum machine_mode mode)
mode = promote_mode (type, TYPE_MODE (type), &unsignedp, 1);
}
if (GET_MODE_CLASS (mode) != MODE_INT
&& GET_MODE_CLASS (mode) != MODE_FLOAT)
abort ();
if (GET_MODE_SIZE (mode) > 8)
abort ();
gcc_assert (GET_MODE_CLASS (mode) == MODE_INT
|| GET_MODE_CLASS (mode) == MODE_FLOAT);
gcc_assert (GET_MODE_SIZE (mode) <= 8);
if (TARGET_HARD_FLOAT && GET_MODE_CLASS (mode) == MODE_FLOAT)
return gen_rtx_REG (mode, 16);
......@@ -7219,7 +7192,7 @@ s390_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED,
pat = GEN_FCN (icode) (target, op[0], op[1]);
break;
default:
abort ();
gcc_unreachable ();
}
if (!pat)
return NULL_RTX;
......@@ -7293,7 +7266,7 @@ s390_gen_rtx_const_DI (int high, int low)
#if HOST_BITS_PER_WIDE_INT >= 32
return immed_double_const ((HOST_WIDE_INT)low, (HOST_WIDE_INT)high, DImode);
#else
abort ();
gcc_unreachable ();
#endif
#endif
}
......@@ -7654,19 +7627,18 @@ s390_call_saved_register_used (tree argument_list)
parameter = TREE_VALUE (argument_list);
argument_list = TREE_CHAIN (argument_list);
if (!parameter)
abort();
gcc_assert (parameter);
/* For an undeclared variable passed as parameter we will get
an ERROR_MARK node here. */
if (TREE_CODE (parameter) == ERROR_MARK)
return true;
if (! (type = TREE_TYPE (parameter)))
abort();
type = TREE_TYPE (parameter);
gcc_assert (type);
if (! (mode = TYPE_MODE (TREE_TYPE (parameter))))
abort();
mode = TYPE_MODE (type);
gcc_assert (mode);
if (pass_by_reference (&cum, mode, type, true))
{
......@@ -7844,8 +7816,7 @@ s390_emit_call (rtx addr_location, rtx tls_call, rtx result_reg,
{
/* s390_function_ok_for_sibcall should
have denied sibcalls in this case. */
if (retaddr_reg == NULL_RTX)
abort ();
gcc_assert (retaddr_reg != NULL_RTX);
use_reg (&CALL_INSN_FUNCTION_USAGE (insn), pic_offset_table_rtx);
}
......
gcc/config/s390/s390.md
......@@ -6038,10 +6038,8 @@
(pc)))]
"!TARGET_CPU_ZARCH"
{
if (get_attr_length (insn) == 4)
return "j%C1\t%l0";
else
abort ();
gcc_assert (get_attr_length (insn) == 4);
return "j%C1\t%l0";
}
[(set_attr "op_type" "RI")
(set_attr "type" "branch")
......@@ -6103,10 +6101,8 @@
(label_ref (match_operand 0 "" ""))))]
"!TARGET_CPU_ZARCH"
{
if (get_attr_length (insn) == 4)
return "j%D1\t%l0";
else
abort ();
gcc_assert (get_attr_length (insn) == 4);
return "j%D1\t%l0";
}
[(set_attr "op_type" "RI")
(set_attr "type" "branch")
......@@ -6247,7 +6243,7 @@
else if (get_attr_length (insn) == 4)
return "brct\t%1,%l0";
else
abort ();
gcc_unreachable ();
}
"&& reload_completed
&& (! REG_P (operands[2])
......@@ -6364,10 +6360,8 @@
[(set (pc) (label_ref (match_operand 0 "" "")))]
"!TARGET_CPU_ZARCH"
{
if (get_attr_length (insn) == 4)
return "j\t%l0";
else
abort ();
gcc_assert (get_attr_length (insn) == 4);
return "j\t%l0";
}
[(set_attr "op_type" "RI")
(set_attr "type" "branch")
......@@ -6992,7 +6986,9 @@
[(set (match_operand 0 "register_operand" "=a")
(unspec_volatile [(const_int 0)] UNSPECV_MAIN_POOL))]
"GET_MODE (operands[0]) == Pmode"
"* abort ();"
{
gcc_unreachable ();
}
[(set (attr "type")
(if_then_else (ne (symbol_ref "TARGET_CPU_ZARCH") (const_int 0))
(const_string "larl") (const_string "la")))])
......@@ -7016,7 +7012,9 @@
(define_insn "pool"
[(unspec_volatile [(match_operand 0 "const_int_operand" "n")] UNSPECV_POOL)]
""
"* abort ();"
{
gcc_unreachable ();
}
[(set (attr "length") (symbol_ref "INTVAL (operands[0])"))])
;;
......
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