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regmove.c (fixup_match_1): Update call crossed frequencies.

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2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	* regmove.c (fixup_match_1): Update call crossed frequencies.

From-SVN: r131695
This commit is contained in:
H.J. Lu 2008-01-21 15:54:41 +00:00 committed by H.J. Lu
parent c54e3854ad
commit 94c54fea1a
2 changed files with 18 additions and 5 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
* regmove.c (fixup_match_1): Update call crossed frequencies.
2008-01-21 Richard Guenther <rguenther@suse.de>
PR c/34885

19
gcc/regmove.c
View File

@ -1695,7 +1695,7 @@ fixup_match_1 (rtx insn, rtx set, rtx src, rtx src_subreg, rtx dst,
rtx p;
rtx post_inc = 0, post_inc_set = 0, search_end = 0;
int success = 0;
int num_calls = 0, s_num_calls = 0;
int num_calls = 0, freq_calls = 0, s_num_calls = 0, s_freq_calls = 0;
enum rtx_code code = NOTE;
HOST_WIDE_INT insn_const = 0, newconst = 0;
rtx overlap = 0; /* need to move insn ? */
@ -1887,10 +1887,13 @@ fixup_match_1 (rtx insn, rtx set, rtx src, rtx src_subreg, rtx dst,
break;
num_calls++;
freq_calls += REG_FREQ_FROM_BB (BLOCK_FOR_INSN (p));
if (src_note)
s_num_calls++;
{
s_num_calls++;
s_freq_calls += REG_FREQ_FROM_BB (BLOCK_FOR_INSN (p));
}
}
}
@ -1939,7 +1942,7 @@ fixup_match_1 (rtx insn, rtx set, rtx src, rtx src_subreg, rtx dst,
{
rtx note = find_reg_note (insn, REG_EQUAL, NULL_RTX);
rtx q, set2 = NULL_RTX;
int num_calls2 = 0, s_length2 = 0;
int num_calls2 = 0, s_length2 = 0, freq_calls2 = 0;
if (note && CONSTANT_P (XEXP (note, 0)))
{
@ -1968,7 +1971,10 @@ fixup_match_1 (rtx insn, rtx set, rtx src, rtx src_subreg, rtx dst,
break;
}
if (CALL_P (p))
num_calls2++;
{
num_calls2++;
freq_calls2 += REG_FREQ_FROM_BB (BLOCK_FOR_INSN (p));
}
}
if (q && set2 && SET_DEST (set2) == src && CONSTANT_P (SET_SRC (set2))
&& validate_change (insn, &SET_SRC (set), XEXP (note, 0), 0))
@ -1976,6 +1982,7 @@ fixup_match_1 (rtx insn, rtx set, rtx src, rtx src_subreg, rtx dst,
delete_insn (q);
INC_REG_N_SETS (REGNO (src), -1);
REG_N_CALLS_CROSSED (REGNO (src)) -= num_calls2;
REG_FREQ_CALLS_CROSSED (REGNO (src)) -= freq_calls2;
REG_LIVE_LENGTH (REGNO (src)) -= s_length2;
insn_const = 0;
}
@ -2044,12 +2051,14 @@ fixup_match_1 (rtx insn, rtx set, rtx src, rtx src_subreg, rtx dst,
REG_NOTES (p) = src_note;
REG_N_CALLS_CROSSED (REGNO (src)) += s_num_calls;
REG_FREQ_CALLS_CROSSED (REGNO (src)) += s_freq_calls;
}
INC_REG_N_SETS (REGNO (src), 1);
INC_REG_N_SETS (REGNO (dst), -1);
REG_N_CALLS_CROSSED (REGNO (dst)) -= num_calls;
REG_FREQ_CALLS_CROSSED (REGNO (dst)) -= freq_calls;
REG_LIVE_LENGTH (REGNO (src)) += s_length;
if (REG_LIVE_LENGTH (REGNO (dst)) >= 0)