20 lines
675 B
Diff
20 lines
675 B
Diff
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This backport contains 1 patch from gcc main stream tree.
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The commit id of these patchs list as following in the order of time.
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a0aeb7fb93da156b64fd08391c79ff35a69af7ba
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0001-tree-vect-stmts.c-vectorizable_comparison-Swap-opera.patch
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diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
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index e921225b5ec..601a6f55fbf 100644
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--- a/gcc/tree-vect-stmts.c
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+++ b/gcc/tree-vect-stmts.c
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@@ -10369,7 +10369,7 @@ vectorizable_comparison (stmt_vec_info stmt_info, gimple_stmt_iterator *gsi,
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if (!slp_node)
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{
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- if (swap_p)
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+ if (swap_p && j == 0)
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std::swap (vec_rhs1, vec_rhs2);
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vec_oprnds0.quick_push (vec_rhs1);
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vec_oprnds1.quick_push (vec_rhs2);
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