* Simplify code in gimple_equal_p
@ 2013-11-09 15:55 Tom de Vries
2013-11-11 9:38 ` Richard Biener
0 siblings, 1 reply; 2+ messages in thread
From: Tom de Vries @ 2013-11-09 15:55 UTC (permalink / raw)
To: Richard Biener; +Cc: gcc-patches
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Richard,
This patch simplifies code in gimple_equal_p.
Bootstrapped and regtested on x86_64.
OK for trunk?
Thanks,
- Tom
2013-11-06 Tom de Vries <tom@codesourcery.com>
* tree-ssa-tail-merge.c (gimple_equal_p): Remove equal variable.
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diff --git a/gcc/tree-ssa-tail-merge.c b/gcc/tree-ssa-tail-merge.c
index db95ce1..00dd071 100644
--- a/gcc/tree-ssa-tail-merge.c
+++ b/gcc/tree-ssa-tail-merge.c
@@ -1085,7 +1085,7 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2)
tree lhs1, lhs2;
basic_block bb1 = gimple_bb (s1), bb2 = gimple_bb (s2);
tree t1, t2;
- bool equal, inv_cond;
+ bool inv_cond;
enum tree_code code1, code2;
if (gimple_code (s1) != gimple_code (s2))
@@ -1107,7 +1107,6 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2)
if (gimple_call_builtin_p (s1, BUILT_IN_TM_COMMIT))
return false;
- equal = true;
for (i = 0; i < gimple_call_num_args (s1); ++i)
{
t1 = gimple_call_arg (s1, i);
@@ -1116,11 +1115,8 @@ gimple_equal_p (same_succ same_succ, gimple s1, gimple s2)
continue;
if (gvn_uses_equal (t1, t2))
continue;
- equal = false;
- break;
+ return false;
}
- if (!equal)
- return false;
lhs1 = gimple_get_lhs (s1);
lhs2 = gimple_get_lhs (s2);
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Simplify code in gimple_equal_p
2013-11-09 15:55 Simplify code in gimple_equal_p Tom de Vries
@ 2013-11-11 9:38 ` Richard Biener
0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2013-11-11 9:38 UTC (permalink / raw)
To: Tom de Vries; +Cc: gcc-patches
On Sat, 9 Nov 2013, Tom de Vries wrote:
> Richard,
>
> This patch simplifies code in gimple_equal_p.
>
> Bootstrapped and regtested on x86_64.
>
> OK for trunk?
Ok.
Thanks,
Richard.
> Thanks,
> - Tom
>
> 2013-11-06 Tom de Vries <tom@codesourcery.com>
>
> * tree-ssa-tail-merge.c (gimple_equal_p): Remove equal variable.
^ permalink raw reply [flat|nested] 2+ messages in thread
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