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expr.c (do_store_flag): Remove last argument. 

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (do_store_flag): Remove last argument.  Simplify code
	to avoid duplication of tests already done by can_compare_p.
	(expand_expr_real_1): Adjust caller.

From-SVN: r145668
This commit is contained in:
Paolo Bonzini 2009-04-07 12:48:16 +00:00 committed by Paolo Bonzini
parent c3c64f5002
commit d8e535fa82
2 changed files with 9 additions and 38 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-04-07 Paolo Bonzini <bonzini@gnu.org>
* expr.c (do_store_flag): Remove last argument. Simplify code
to avoid duplication of tests already done by can_compare_p.
(expand_expr_real_1): Adjust caller.
2009-04-07 Paolo Bonzini <bonzini@gnu.org>
* optabs.c (can_compare_p): Test the predicate of a

41
gcc/expr.c
View File

@ -151,7 +151,7 @@ static int is_aligning_offset (const_tree, const_tree);
static void expand_operands (tree, tree, rtx, rtx*, rtx*,
enum expand_modifier);
static rtx reduce_to_bit_field_precision (rtx, rtx, tree);
static rtx do_store_flag (tree, rtx, enum machine_mode, int);
static rtx do_store_flag (tree, rtx, enum machine_mode);
#ifdef PUSH_ROUNDING
static void emit_single_push_insn (enum machine_mode, rtx, tree);
#endif
@ -9024,7 +9024,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
case LTGT_EXPR:
temp = do_store_flag (exp,
modifier != EXPAND_STACK_PARM ? target : NULL_RTX,
tmode != VOIDmode ? tmode : mode, 0);
tmode != VOIDmode ? tmode : mode);
if (temp != 0)
return temp;
@ -9679,9 +9679,6 @@ string_constant (tree arg, tree *ptr_offset)
If TARGET is nonzero, store the result there if convenient.
If ONLY_CHEAP is nonzero, only do this if it is likely to be very
cheap.
Return zero if there is no suitable set-flag instruction
available on this machine.
@ -9694,7 +9691,7 @@ string_constant (tree arg, tree *ptr_offset)
set/jump/set sequence. */
static rtx
do_store_flag (tree exp, rtx target, enum machine_mode mode, int only_cheap)
do_store_flag (tree exp, rtx target, enum machine_mode mode)
{
enum rtx_code code;
tree arg0, arg1, type;
@ -9703,7 +9700,6 @@ do_store_flag (tree exp, rtx target, enum machine_mode mode, int only_cheap)
int invert = 0;
int unsignedp;
rtx op0, op1;
enum insn_code icode;
rtx subtarget = target;
rtx result, label;
@ -9847,37 +9843,6 @@ do_store_flag (tree exp, rtx target, enum machine_mode mode, int only_cheap)
if (! can_compare_p (code, operand_mode, ccp_store_flag))
return 0;
icode = setcc_gen_code[(int) code];
if (icode == CODE_FOR_nothing)
{
enum machine_mode wmode;
for (wmode = operand_mode;
icode == CODE_FOR_nothing && wmode != VOIDmode;
wmode = GET_MODE_WIDER_MODE (wmode))
icode = optab_handler (cstore_optab, wmode)->insn_code;
}
if (icode == CODE_FOR_nothing
|| (only_cheap && insn_data[(int) icode].operand[0].mode != mode))
{
/* We can only do this if it is one of the special cases that
can be handled without an scc insn. */
if ((code == LT && integer_zerop (arg1))
|| (! only_cheap && code == GE && integer_zerop (arg1)))
;
else if (! only_cheap && (code == NE || code == EQ)
&& TREE_CODE (type) != REAL_TYPE
&& ((optab_handler (abs_optab, operand_mode)->insn_code
!= CODE_FOR_nothing)
|| (optab_handler (ffs_optab, operand_mode)->insn_code
!= CODE_FOR_nothing)))
;
else
return 0;
}
if (! get_subtarget (target)
|| GET_MODE (subtarget) != operand_mode)
subtarget = 0;