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cse.c (cse_main): Use xmalloc, not alloca.

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* cse.c (cse_main): Use xmalloc, not alloca.
        (cse_basic_block): Likewise.
        * local-alloc.c (local_alloc): Likewise.

From-SVN: r30399
This commit is contained in:
Richard Henderson 1999-11-04 12:51:04 -08:00
parent 17074a35df
commit 75c6bd46fe
3 changed files with 62 additions and 28 deletions
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9
gcc/ChangeLog
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@ -1,4 +1,11 @@
Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>, Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
* cse.c (cse_main): Use xmalloc, not alloca.
(cse_basic_block): Likewise.
* local-alloc.c (local_alloc): Likewise.
Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
Alexandre Oliva <oliva@lsd.ic.unicamp.br>
* rtl.c: Include toplev.h.
(fatal): Remove declaration.

35
gcc/cse.c
View File

@ -6877,8 +6877,8 @@ cse_main (f, nregs, after_loop, file)
max_insn_uid = get_max_uid ();
reg_next_eqv = (int *) alloca (nregs * sizeof (int));
reg_prev_eqv = (int *) alloca (nregs * sizeof (int));
reg_next_eqv = (int *) xmalloc (nregs * sizeof (int));
reg_prev_eqv = (int *) xmalloc (nregs * sizeof (int));
#ifdef LOAD_EXTEND_OP
@ -6896,8 +6896,7 @@ cse_main (f, nregs, after_loop, file)
/* Find the largest uid. */
max_uid = get_max_uid ();
uid_cuid = (int *) alloca ((max_uid + 1) * sizeof (int));
bzero ((char *) uid_cuid, (max_uid + 1) * sizeof (int));
uid_cuid = (int *) xcalloc (max_uid + 1, sizeof (int));
/* Compute the mapping from uids to cuids.
CUIDs are numbers assigned to insns, like uids,
@ -7024,6 +7023,9 @@ cse_main (f, nregs, after_loop, file)
/* Clean up. */
end_alias_analysis ();
free (uid_cuid);
free (reg_next_eqv);
free (reg_prev_eqv);
return cse_jumps_altered || recorded_label_ref;
}
@ -7050,16 +7052,16 @@ cse_basic_block (from, to, next_branch, around_loop)
/* Each of these arrays is undefined before max_reg, so only allocate
the space actually needed and adjust the start below. */
qty_first_reg = (int *) alloca ((max_qty - max_reg) * sizeof (int));
qty_last_reg = (int *) alloca ((max_qty - max_reg) * sizeof (int));
qty_mode = (enum machine_mode *) alloca ((max_qty - max_reg)
qty_first_reg = (int *) xmalloc ((max_qty - max_reg) * sizeof (int));
qty_last_reg = (int *) xmalloc ((max_qty - max_reg) * sizeof (int));
qty_mode = (enum machine_mode *) xmalloc ((max_qty - max_reg)
* sizeof (enum machine_mode));
qty_const = (rtx *) alloca ((max_qty - max_reg) * sizeof (rtx));
qty_const_insn = (rtx *) alloca ((max_qty - max_reg) * sizeof (rtx));
qty_const = (rtx *) xmalloc ((max_qty - max_reg) * sizeof (rtx));
qty_const_insn = (rtx *) xmalloc ((max_qty - max_reg) * sizeof (rtx));
qty_comparison_code
= (enum rtx_code *) alloca ((max_qty - max_reg) * sizeof (enum rtx_code));
qty_comparison_qty = (int *) alloca ((max_qty - max_reg) * sizeof (int));
qty_comparison_const = (rtx *) alloca ((max_qty - max_reg) * sizeof (rtx));
= (enum rtx_code *) xmalloc ((max_qty - max_reg) * sizeof (enum rtx_code));
qty_comparison_qty = (int *) xmalloc ((max_qty - max_reg) * sizeof (int));
qty_comparison_const = (rtx *) xmalloc ((max_qty - max_reg) * sizeof (rtx));
qty_first_reg -= max_reg;
qty_last_reg -= max_reg;
@ -7236,6 +7238,15 @@ cse_basic_block (from, to, next_branch, around_loop)
&& LABEL_NUSES (JUMP_LABEL (PREV_INSN (to))) == 1)
cse_around_loop (JUMP_LABEL (PREV_INSN (to)));
free (qty_first_reg + max_reg);
free (qty_last_reg + max_reg);
free (qty_mode + max_reg);
free (qty_const + max_reg);
free (qty_const_insn + max_reg);
free (qty_comparison_code + max_reg);
free (qty_comparison_qty + max_reg);
free (qty_comparison_const + max_reg);
return to ? NEXT_INSN (to) : 0;
}

46
gcc/local-alloc.c
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@ -326,25 +326,25 @@ local_alloc ()
See the declarations of these variables, above,
for what they mean. */
qty_phys_reg = (short *) alloca (max_qty * sizeof (short));
qty_phys_reg = (short *) xmalloc (max_qty * sizeof (short));
qty_phys_copy_sugg
= (HARD_REG_SET *) alloca (max_qty * sizeof (HARD_REG_SET));
qty_phys_num_copy_sugg = (short *) alloca (max_qty * sizeof (short));
qty_phys_sugg = (HARD_REG_SET *) alloca (max_qty * sizeof (HARD_REG_SET));
qty_phys_num_sugg = (short *) alloca (max_qty * sizeof (short));
qty_birth = (int *) alloca (max_qty * sizeof (int));
qty_death = (int *) alloca (max_qty * sizeof (int));
qty_first_reg = (int *) alloca (max_qty * sizeof (int));
qty_size = (int *) alloca (max_qty * sizeof (int));
= (HARD_REG_SET *) xmalloc (max_qty * sizeof (HARD_REG_SET));
qty_phys_num_copy_sugg = (short *) xmalloc (max_qty * sizeof (short));
qty_phys_sugg = (HARD_REG_SET *) xmalloc (max_qty * sizeof (HARD_REG_SET));
qty_phys_num_sugg = (short *) xmalloc (max_qty * sizeof (short));
qty_birth = (int *) xmalloc (max_qty * sizeof (int));
qty_death = (int *) xmalloc (max_qty * sizeof (int));
qty_first_reg = (int *) xmalloc (max_qty * sizeof (int));
qty_size = (int *) xmalloc (max_qty * sizeof (int));
qty_mode
= (enum machine_mode *) alloca (max_qty * sizeof (enum machine_mode));
qty_n_calls_crossed = (int *) alloca (max_qty * sizeof (int));
= (enum machine_mode *) xmalloc (max_qty * sizeof (enum machine_mode));
qty_n_calls_crossed = (int *) xmalloc (max_qty * sizeof (int));
qty_min_class
= (enum reg_class *) alloca (max_qty * sizeof (enum reg_class));
= (enum reg_class *) xmalloc (max_qty * sizeof (enum reg_class));
qty_alternate_class
= (enum reg_class *) alloca (max_qty * sizeof (enum reg_class));
qty_n_refs = (int *) alloca (max_qty * sizeof (int));
qty_changes_size = (char *) alloca (max_qty * sizeof (char));
= (enum reg_class *) xmalloc (max_qty * sizeof (enum reg_class));
qty_n_refs = (int *) xmalloc (max_qty * sizeof (int));
qty_changes_size = (char *) xmalloc (max_qty * sizeof (char));
reg_qty = (int *) xmalloc (max_regno * sizeof (int));
reg_offset = (char *) xmalloc (max_regno * sizeof (char));
@ -416,9 +416,25 @@ local_alloc ()
#endif
}
free (qty_phys_reg);
free (qty_phys_copy_sugg);
free (qty_phys_num_copy_sugg);
free (qty_phys_sugg);
free (qty_birth);
free (qty_death);
free (qty_first_reg);
free (qty_size);
free (qty_mode);
free (qty_n_calls_crossed);
free (qty_min_class);
free (qty_alternate_class);
free (qty_n_refs);
free (qty_changes_size);
free (reg_qty);
free (reg_offset);
free (reg_next_in_qty);
return recorded_label_ref;
}