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optabs.c (emit_conditional_add): Correct comment about the arguments. 

2012-09-05  Andrew Pinski  <apinski@cavium.com>

 	* optabs.c (emit_conditional_add): Correct comment about the arguments.
	Remove code which might swap op2 and op3 since they cannot be swapped.
	* doc/md.texi (add@var{mode}cc): Fix document about how the arguments
	are used.

From-SVN: r190994
This commit is contained in:
Andrew Pinski 2012-09-05 20:23:22 +00:00 committed by Andrew Pinski
parent 933d309fcf
commit 5285c21c6e
3 changed files with 9 additions and 13 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-09-05 Andrew Pinski <apinski@cavium.com>
* optabs.c (emit_conditional_add): Correct comment about the arguments.
Remove code which might swap op2 and op3 since they cannot be swapped.
* doc/md.texi (add@var{mode}cc): Fix document about how the arguments
are used.
2012-09-05 Oleg Endo <olegendo@gcc.gnu.org>
* hooks.c (hook_int_rtx_mode_as_bool_0): New function.

2
gcc/doc/md.texi
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@ -5250,7 +5250,7 @@ define these patterns.
@item @samp{add@var{mode}cc}
Similar to @samp{mov@var{mode}cc} but for conditional addition. Conditionally
move operand 2 or (operands 2 + operand 3) into operand 0 according to the
comparison in operand 1. If the comparison is true, operand 2 is moved into
comparison in operand 1. If the comparison is false, operand 2 is moved into
operand 0, otherwise (operand 2 + operand 3) is moved.
@cindex @code{cstore@var{mode}4} instruction pattern

13
gcc/optabs.c
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@ -4584,7 +4584,7 @@ can_conditionally_move_p (enum machine_mode mode)
the mode to use should they be constants. If it is VOIDmode, they cannot
both be constants.
OP2 should be stored in TARGET if the comparison is true, otherwise OP2+OP3
OP2 should be stored in TARGET if the comparison is false, otherwise OP2+OP3
should be stored there. MODE is the mode to use should they be constants.
If it is VOIDmode, they cannot both be constants.
@ -4598,7 +4598,6 @@ emit_conditional_add (rtx target, enum rtx_code code, rtx op0, rtx op1,
{
rtx tem, comparison, last;
enum insn_code icode;
enum rtx_code reversed;
/* If one operand is constant, make it the second one. Only do this
if the other operand is not constant as well. */
@ -4622,16 +4621,6 @@ emit_conditional_add (rtx target, enum rtx_code code, rtx op0, rtx op1,
if (cmode == VOIDmode)
cmode = GET_MODE (op0);
if (swap_commutative_operands_p (op2, op3)
&& ((reversed = reversed_comparison_code_parts (code, op0, op1, NULL))
!= UNKNOWN))
{
tem = op2;
op2 = op3;
op3 = tem;
code = reversed;
}
if (mode == VOIDmode)
mode = GET_MODE (op2);