re PR tree-optimization/47140 (error: conversion of register to a different size)

PR tree-optimization/47140
	* tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
	TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
	to bit_value_binop.

	* gcc.c-torture/compile/pr47140.c: New test.

From-SVN: r168402
This commit is contained in:
Jakub Jelinek 2011-01-02 18:09:08 +01:00 committed by Jakub Jelinek
parent bc470c243a
commit 4e99629664
4 changed files with 35 additions and 1 deletions

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@ -1,5 +1,10 @@
2011-01-02 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/47140
* tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
to bit_value_binop.
PR rtl-optimization/47028
* cfgexpand.c (gimple_expand_cfg): Insert entry edge
insertions after parm_birth_insn instead of at the beginning

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@ -1,5 +1,8 @@
2011-01-02 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/47140
* gcc.c-torture/compile/pr47140.c: New test.
PR rtl-optimization/47028
* gcc.dg/pr47028.c: New test.

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@ -0,0 +1,25 @@
/* PR tree-optimization/47140 */
static inline int
foo (int x, short y)
{
return y == 0 ? x : x + y;
}
static inline unsigned short
bar (unsigned short x, unsigned char y)
{
return x - y;
}
int w;
int baz (void);
int
test (void)
{
int i;
for (i = 0; i < 50; i++)
w += foo ((unsigned char) (1 + baz ()) >= bar (0, 1), 0);
}

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@ -2156,9 +2156,10 @@ evaluate_stmt (gimple stmt)
if (INTEGRAL_TYPE_P (TREE_TYPE (rhs1))
|| POINTER_TYPE_P (TREE_TYPE (rhs1)))
{
tree lhs = gimple_assign_lhs (stmt);
tree rhs2 = gimple_assign_rhs2 (stmt);
val = bit_value_binop (subcode,
TREE_TYPE (rhs1), rhs1, rhs2);
TREE_TYPE (lhs), rhs1, rhs2);
}
break;