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tree-vect-stmts.c (vectorizable_condition): Do not get at else_clause vect def for EXTRACT_LAST_REDUCTION.

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2018-11-20  Richard Biener  <rguenther@suse.de>

	* tree-vect-stmts.c (vectorizable_condition): Do not get
	at else_clause vect def for EXTRACT_LAST_REDUCTION.  Remove
	pointless vect_is_simple_use calls.

From-SVN: r266314
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Richard Biener 2018-11-20 12:20:40 +00:00 committed by Richard Biener
parent c1d21cd17b
commit 8c944c97a2
2 changed files with 9 additions and 8 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-11-20 Richard Biener <rguenther@suse.de>
* tree-vect-stmts.c (vectorizable_condition): Do not get
at else_clause vect def for EXTRACT_LAST_REDUCTION. Remove
pointless vect_is_simple_use calls.
2018-11-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/88074

11
gcc/tree-vect-stmts.c
View File

@ -8911,26 +8911,21 @@ vectorizable_condition (stmt_vec_info stmt_info, gimple_stmt_iterator *gsi,
vec_cond_lhs
= vect_get_vec_def_for_operand (cond_expr, stmt_info,
comp_vectype);
vect_is_simple_use (cond_expr, stmt_info->vinfo, &dts[0]);
}
else
{
vec_cond_lhs
= vect_get_vec_def_for_operand (cond_expr0,
stmt_info, comp_vectype);
vect_is_simple_use (cond_expr0, loop_vinfo, &dts[0]);
vec_cond_rhs
= vect_get_vec_def_for_operand (cond_expr1,
stmt_info, comp_vectype);
vect_is_simple_use (cond_expr1, loop_vinfo, &dts[1]);
}
vec_then_clause = vect_get_vec_def_for_operand (then_clause,
stmt_info);
vect_is_simple_use (then_clause, loop_vinfo, &dts[2]);
vec_else_clause = vect_get_vec_def_for_operand (else_clause,
stmt_info);
vect_is_simple_use (else_clause, loop_vinfo, &dts[3]);
if (reduction_type != EXTRACT_LAST_REDUCTION)
vec_else_clause = vect_get_vec_def_for_operand (else_clause,
stmt_info);
}
}
else