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df-scan.c (df_scan_set_bb_info): Remove assert.

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2010-01-26  Richard Guenther  <rguenther@suse.de>

	* df-scan.c (df_scan_set_bb_info): Remove assert.
	(df_insn_rescan_debug_internal): Merge asserts.
	(df_install_ref): Likewise.
	(df_mark_reg): Use bitmap_set_range.
	(df_hard_reg_used_p): Remove assert.
	(df_hard_reg_used_count): Likewise.

From-SVN: r156253
This commit is contained in:
Richard Guenther 2010-01-26 16:29:00 +00:00 • committed by Richard Biener
parent 0d9b0371e8
commit a099f7d4ff
2 changed files with 16 additions and 10 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2010-01-26 Richard Guenther <rguenther@suse.de>
* df-scan.c (df_scan_set_bb_info): Remove assert.
(df_insn_rescan_debug_internal): Merge asserts.
(df_install_ref): Likewise.
(df_mark_reg): Use bitmap_set_range.
(df_hard_reg_used_p): Remove assert.
(df_hard_reg_used_count): Likewise.
2010-01-26 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/42685

17
gcc/df-scan.c
View file

@ -285,7 +285,6 @@ static void
df_scan_set_bb_info (unsigned int index,
struct df_scan_bb_info *bb_info)
{
gcc_assert (df_scan);
df_grow_bb_info (df_scan);
df_scan->block_info[index] = (void *) bb_info;
}
@ -1321,8 +1320,8 @@ df_insn_rescan_debug_internal (rtx insn)
unsigned int uid = INSN_UID (insn);
struct df_insn_info *insn_info;
gcc_assert (DEBUG_INSN_P (insn));
gcc_assert (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (insn)));
gcc_assert (DEBUG_INSN_P (insn)
&& VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (insn)));
if (!df)
return false;
@ -2603,8 +2602,8 @@ df_install_ref (df_ref this_ref,
df->hard_regs_live_count[regno]++;
}
gcc_assert (DF_REF_NEXT_REG (this_ref) == NULL);
gcc_assert (DF_REF_PREV_REG (this_ref) == NULL);
gcc_assert (DF_REF_NEXT_REG (this_ref) == NULL
&& DF_REF_PREV_REG (this_ref) == NULL);
DF_REF_NEXT_REG (this_ref) = head;
@ -3851,13 +3850,13 @@ df_mark_reg (rtx reg, void *vset)
gcc_assert (GET_MODE (reg) != BLKmode);
bitmap_set_bit (set, regno);
if (regno < FIRST_PSEUDO_REGISTER)
{
int n = hard_regno_nregs[regno][GET_MODE (reg)];
while (--n > 0)
bitmap_set_bit (set, regno + n);
bitmap_set_range (set, regno, n);
}
else
bitmap_set_bit (set, regno);
}
@ -4257,7 +4256,6 @@ df_update_entry_exit_and_calls (void)
bool
df_hard_reg_used_p (unsigned int reg)
{
gcc_assert (df);
return df->hard_regs_live_count[reg] != 0;
}
@ -4272,7 +4270,6 @@ df_hard_reg_used_p (unsigned int reg)
unsigned int
df_hard_reg_used_count (unsigned int reg)
{
gcc_assert (df);
return df->hard_regs_live_count[reg];
}