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integrate.c (save_for_inline_copying): Avoid undefined pointer operations.

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* integrate.c (save_for_inline_copying): Avoid undefined pointer
        operations.
        (expand_inline_function): Likewise.

From-SVN: r15866
This commit is contained in:
Jeffrey A Law 1997-10-07 21:43:02 +00:00 • committed by Jeff Law
parent aa0c140117
commit f644bd1425
2 changed files with 11 additions and 18 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
* integrate.c (save_for_inline_copying): Avoid undefined pointer
operations.
(expand_inline_function): Likewise.
* dwarf2out.c (output_call_frame_info): Reinstate last change
using flag_debug_asm check instead of flag_verbose_asm.

25
gcc/integrate.c
View file

@ -414,10 +414,6 @@ save_for_inline_copying (fndecl)
rtx first_nonparm_insn;
char *new, *new1;
/* The pointer used to track the true location of the memory used
for LABEL_MAP. */
rtx *real_label_map = 0;
/* Make and emit a return-label if we have not already done so.
Do this before recording the bounds on label numbers. */
@ -519,9 +515,7 @@ save_for_inline_copying (fndecl)
/* We used to use alloca here, but the size of what it would try to
allocate would occasionally cause it to exceed the stack limit and
cause unpredictable core dumps. Some examples were > 2Mb in size. */
real_label_map
= (rtx *) xmalloc ((max_labelno - min_labelno) * sizeof (rtx));
label_map = real_label_map - min_labelno;
label_map = (rtx *) xmalloc ((max_labelno) * sizeof (rtx));
for (i = min_labelno; i < max_labelno; i++)
label_map[i] = gen_label_rtx ();
@ -664,8 +658,8 @@ save_for_inline_copying (fndecl)
set_new_first_and_last_insn (first_insn, last_insn);
if (real_label_map)
free (real_label_map);
if (label_map)
free (label_map);
}
/* Return a copy of a chain of nodes, chained through the TREE_CHAIN field.
@ -1250,10 +1244,6 @@ expand_inline_function (fndecl, parms, target, ignore, type,
rtvec arg_vector = ORIGINAL_ARG_VECTOR (header);
rtx static_chain_value = 0;
/* The pointer used to track the true location of the memory used
for MAP->LABEL_MAP. */
rtx *real_label_map = 0;
/* Allow for equivalences of the pseudos we make for virtual fp and ap. */
max_regno = MAX_REGNUM (header) + 3;
if (max_regno < FIRST_PSEUDO_REGISTER)
@ -1393,9 +1383,8 @@ expand_inline_function (fndecl, parms, target, ignore, type,
/* We used to use alloca here, but the size of what it would try to
allocate would occasionally cause it to exceed the stack limit and
cause unpredictable core dumps. */
real_label_map
= (rtx *) xmalloc ((max_labelno - min_labelno) * sizeof (rtx));
map->label_map = real_label_map - min_labelno;
label_map = (rtx *) xmalloc ((max_labelno) * sizeof (rtx));
map->label_map = label_map;
map->insn_map = (rtx *) alloca (INSN_UID (header) * sizeof (rtx));
bzero ((char *) map->insn_map, INSN_UID (header) * sizeof (rtx));
@ -2044,8 +2033,8 @@ expand_inline_function (fndecl, parms, target, ignore, type,
}
/* Make sure we free the things we explicitly allocated with xmalloc. */
if (real_label_map)
free (real_label_map);
if (label_map)
free (label_map);
return target;
}