From 8d933e3147616e970f36e1b01d2b389ecc87b15c Mon Sep 17 00:00:00 2001 From: Adrian Straetling Date: Mon, 9 May 2005 18:22:11 +0000 Subject: [PATCH] s390.c: (s390_branch_condition_mask... 2005-05-09 Adrian Straetling * 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 --- gcc/ChangeLog | 26 +++++ gcc/config/s390/s390.c | 235 ++++++++++++++++++---------------------- gcc/config/s390/s390.md | 28 +++-- 3 files changed, 142 insertions(+), 147 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index da0d85ca88f..950061c599e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,29 @@ +2005-05-09 Adrian Straetling + + * 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 * config/s390/s390.c: (s390_decompose_address, diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c index 3a1c7739547..2c2647e03f7 100644 --- a/gcc/config/s390/s390.c +++ b/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); } diff --git a/gcc/config/s390/s390.md b/gcc/config/s390/s390.md index 9a666a8ec7c..7c6e82178b1 100644 --- a/gcc/config/s390/s390.md +++ b/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])"))]) ;; -- 2.30.2