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ifcvt.c (cond_move_process_if_block): Free vectors on false return.

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2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

	* ifcvt.c (cond_move_process_if_block): Free vectors on false
	return.

From-SVN: r137285
This commit is contained in:
Kenneth Zadeck 2008-06-30 19:31:42 +00:00 committed by Kenneth Zadeck
parent 370f38e847
commit 727683a51c
2 changed files with 27 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-06-30 Kenneth Zadeck <zadeck@naturalbridge.com>
* ifcvt.c (cond_move_process_if_block): Free vectors on false
return.
2008-06-30 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New

27
gcc/ifcvt.c
View File

@ -2614,7 +2614,11 @@ cond_move_process_if_block (struct noce_if_info *if_info)
/* Make sure the blocks are suitable. */
if (!check_cond_move_block (then_bb, then_vals, then_regs, cond)
|| (else_bb && !check_cond_move_block (else_bb, else_vals, else_regs, cond)))
return FALSE;
{
VEC_free (int, heap, then_regs);
VEC_free (int, heap, else_regs);
return FALSE;
}
/* Make sure the blocks can be used together. If the same register
is set in both blocks, and is not set to a constant in both
@ -2635,7 +2639,11 @@ cond_move_process_if_block (struct noce_if_info *if_info)
if (!CONSTANT_P (then_vals[reg])
&& !CONSTANT_P (else_vals[reg])
&& !rtx_equal_p (then_vals[reg], else_vals[reg]))
return FALSE;
{
VEC_free (int, heap, then_regs);
VEC_free (int, heap, else_regs);
return FALSE;
}
}
}
@ -2649,7 +2657,11 @@ cond_move_process_if_block (struct noce_if_info *if_info)
branches, since if we convert we are going to always execute
them. */
if (c > MAX_CONDITIONAL_EXECUTE)
return FALSE;
{
VEC_free (int, heap, then_regs);
VEC_free (int, heap, else_regs);
return FALSE;
}
/* Try to emit the conditional moves. First do the then block,
then do anything left in the else blocks. */
@ -2661,11 +2673,17 @@ cond_move_process_if_block (struct noce_if_info *if_info)
then_vals, else_vals, true)))
{
end_sequence ();
VEC_free (int, heap, then_regs);
VEC_free (int, heap, else_regs);
return FALSE;
}
seq = end_ifcvt_sequence (if_info);
if (!seq)
return FALSE;
{
VEC_free (int, heap, then_regs);
VEC_free (int, heap, else_regs);
return FALSE;
}
loc_insn = first_active_insn (then_bb);
if (!loc_insn)
@ -2698,7 +2716,6 @@ cond_move_process_if_block (struct noce_if_info *if_info)
VEC_free (int, heap, then_regs);
VEC_free (int, heap, else_regs);
return TRUE;
}