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* combine.c: Fix formatting. 

From-SVN: r48569
This commit is contained in:
Kazu Hirata 2002-01-05 20:32:44 +00:00 committed by Kazu Hirata
parent bedca03a2a
commit cf0d940861
2 changed files with 38 additions and 34 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2002-01-05 Kazu Hirata <kazu@hxi.com>
* combine.c: Fix formatting.
2002-01-05 Craig Rodrigues <crodrigu@bbn.com>
PR middle-end/1557

68
gcc/combine.c
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@ -1134,7 +1134,7 @@ can_combine_p (insn, i3, pred, succ, pdest, psrc)
for (p = NEXT_INSN (insn); p != i3; p = NEXT_INSN (p))
if (INSN_P (p) && p != succ && volatile_refs_p (PATTERN (p)))
return 0;
return 0;
}
/* If INSN is an asm, and DEST is a hard register, reject, since it has
@ -1954,7 +1954,7 @@ try_combine (i3, i2, i1, new_direct_jump_p)
isn't mentioned in any SETs in NEWPAT that are field assignments. */
if (! combinable_i3pat (NULL_RTX, &newpat, i1dest, NULL_RTX,
0, (rtx*)0))
0, (rtx*) 0))
{
undo_all ();
return 0;
@ -2011,23 +2011,23 @@ try_combine (i3, i2, i1, new_direct_jump_p)
XVECEXP (newpat, 0, 0) = old;
}
if (added_sets_1)
XVECEXP (newpat, 0, --total_sets)
= (GET_CODE (PATTERN (i1)) == PARALLEL
? gen_rtx_SET (VOIDmode, i1dest, i1src) : PATTERN (i1));
if (added_sets_1)
XVECEXP (newpat, 0, --total_sets)
= (GET_CODE (PATTERN (i1)) == PARALLEL
? gen_rtx_SET (VOIDmode, i1dest, i1src) : PATTERN (i1));
if (added_sets_2)
{
/* If there is no I1, use I2's body as is. We used to also not do
the subst call below if I2 was substituted into I3,
but that could lose a simplification. */
if (i1 == 0)
XVECEXP (newpat, 0, --total_sets) = i2pat;
else
/* See comment where i2pat is assigned. */
XVECEXP (newpat, 0, --total_sets)
= subst (i2pat, i1dest, i1src, 0, 0);
}
if (added_sets_2)
{
/* If there is no I1, use I2's body as is. We used to also not do
the subst call below if I2 was substituted into I3,
but that could lose a simplification. */
if (i1 == 0)
XVECEXP (newpat, 0, --total_sets) = i2pat;
else
/* See comment where i2pat is assigned. */
XVECEXP (newpat, 0, --total_sets)
= subst (i2pat, i1dest, i1src, 0, 0);
}
}
/* We come here when we are replacing a destination in I2 with the
@ -2992,7 +2992,7 @@ find_split_point (loc, insn)
&& GET_CODE (XEXP (SET_DEST (x), 2)) == CONST_INT
&& GET_CODE (SET_SRC (x)) == CONST_INT
&& ((INTVAL (XEXP (SET_DEST (x), 1))
+ INTVAL (XEXP (SET_DEST (x), 2)))
+ INTVAL (XEXP (SET_DEST (x), 2)))
<= GET_MODE_BITSIZE (GET_MODE (XEXP (SET_DEST (x), 0))))
&& ! side_effects_p (XEXP (SET_DEST (x), 0)))
{
@ -3044,7 +3044,7 @@ find_split_point (loc, insn)
&& GET_CODE (XEXP (SET_SRC (x), 0)) == REG
&& (pos = exact_log2 (INTVAL (XEXP (SET_SRC (x), 1)))) >= 7
&& GET_CODE (SET_DEST (x)) == REG
&& (split = find_single_use (SET_DEST (x), insn, (rtx*)0)) != 0
&& (split = find_single_use (SET_DEST (x), insn, (rtx*) 0)) != 0
&& (GET_CODE (*split) == EQ || GET_CODE (*split) == NE)
&& XEXP (*split, 0) == SET_DEST (x)
&& XEXP (*split, 1) == const0_rtx)
@ -4713,8 +4713,8 @@ simplify_if_then_else (x)
simplify_gen_unary (NEG, mode,
simplify_gen_unary (ABS, mode, true_rtx, mode),
mode);
default:
break;
default:
break;
}
/* Look for MIN or MAX. */
@ -10967,19 +10967,19 @@ static enum rtx_code
combine_reversed_comparison_code (exp)
rtx exp;
{
enum rtx_code code1 = reversed_comparison_code (exp, NULL);
rtx x;
enum rtx_code code1 = reversed_comparison_code (exp, NULL);
rtx x;
if (code1 != UNKNOWN
|| GET_MODE_CLASS (GET_MODE (XEXP (exp, 0))) != MODE_CC)
return code1;
/* Otherwise try and find where the condition codes were last set and
use that. */
x = get_last_value (XEXP (exp, 0));
if (!x || GET_CODE (x) != COMPARE)
return UNKNOWN;
return reversed_comparison_code_parts (GET_CODE (exp),
XEXP (x, 0), XEXP (x, 1), NULL);
if (code1 != UNKNOWN
|| GET_MODE_CLASS (GET_MODE (XEXP (exp, 0))) != MODE_CC)
return code1;
/* Otherwise try and find where the condition codes were last set and
use that. */
x = get_last_value (XEXP (exp, 0));
if (!x || GET_CODE (x) != COMPARE)
return UNKNOWN;
return reversed_comparison_code_parts (GET_CODE (exp),
XEXP (x, 0), XEXP (x, 1), NULL);
}
/* Return comparison with reversed code of EXP and operands OP0 and OP1.
Return NULL_RTX in case we fail to do the reversal. */