db8a90ff34
- Add add-checks-to-avoid-spoiling-if-conversion.patch - Add add-option-fallow-store-data-races.patch - Add complete-struct-reorg.patch - Add cse-in-vectorization.patch - Add enable-simd-math.patch - Add fix-ICE-avoid-issueing-loads-in-SM-when-possible.patch - Add fix-ICE-in-compute_live_loop_exits.patch - Add fix-ICE-in-copy_reference_ops_from_ref.patch - Add fix-ICE-in-declare-return-variable.patch - Add fix-ICE-in-exact_div.patch - Add fix-ICE-in-gimple_op.patch - Add fix-ICE-in-model_update_limit_points_in_group.patch - Add fix-ICE-in-reload.patch - Add fix-ICE-in-store_constructor.patch - Add fix-ICE-in-vec.patch - Add fix-ICE-in-vect_create_epilog_for_reduction.patch - Add fix-ICE-in-vect_create_epilog_for_reduction_2.patch - Add fix-ICE-in-vect_create_epilog_for_reduction_3.patch - Add fix-ICE-in-vect_get_vec_def_for_stmt_copy.patch - Add fix-ICE-in-vect_slp_analyze_node_operations.patch - Add fix-ICE-in-vect_stmt_to_vectorize.patch - Add fix-ICE-in-vect_transform_stmt.patch - Add fix-ICE-in-vectorizable_condition.patch - Add fix-ICE-in-verify_ssa.patch - Add fix-ICE-statement-uses-released-SSA-name.patch - Add fix-ICE-when-vectorizing-nested-cycles.patch - Add fix-SSA-update-for-vectorizer-epilogue.patch - Add fix-do-not-build-op.patch - Add fix-load-eliding-in-SM.patch - Add fix-wrong-vectorizer-code.patch - Add generate-csel-for-arrayref.patch - Add ipa-const-prop-self-recursion-bugfix.patch - Add ipa-const-prop.patch - Add ipa-struct-reorg-bugfix.patch - Add ipa-struct-reorg.patch - Add medium-code-mode.patch - Add reduction-chain-slp-option.patch - Add reductions-slp-enhancement.patch - Add simplify-removing-subregs.patch - Add tighten-range-for-generating-csel.patch - Add vectorization-enhancement.patch - Add add-checks-to-avoid-spoiling-if-conversion.patch - Add add-option-fallow-store-data-races.patch - Add complete-struct-reorg.patch - Add cse-in-vectorization.patch - Add enable-simd-math.patch - Add fix-ICE-avoid-issueing-loads-in-SM-when-possible.patch - Add fix-ICE-in-compute_live_loop_exits.patch - Add fix-ICE-in-copy_reference_ops_from_ref.patch - Add fix-ICE-in-declare-return-variable.patch - Add fix-ICE-in-exact_div.patch - Add fix-ICE-in-gimple_op.patch - Add fix-ICE-in-model_update_limit_points_in_group.patch - Add fix-ICE-in-reload.patch - Add fix-ICE-in-store_constructor.patch - Add fix-ICE-in-vec.patch - Add fix-ICE-in-vect_create_epilog_for_reduction.patch - Add fix-ICE-in-vect_create_epilog_for_reduction_2.patch - Add fix-ICE-in-vect_create_epilog_for_reduction_3.patch - Add fix-ICE-in-vect_get_vec_def_for_stmt_copy.patch - Add fix-ICE-in-vect_slp_analyze_node_operations.patch - Add fix-ICE-in-vect_stmt_to_vectorize.patch - Add fix-ICE-in-vect_transform_stmt.patch - Add fix-ICE-in-vectorizable_condition.patch - Add fix-ICE-in-verify_ssa.patch - Add fix-ICE-statement-uses-released-SSA-name.patch - Add fix-ICE-when-vectorizing-nested-cycles.patch - Add fix-SSA-update-for-vectorizer-epilogue.patch - Add fix-do-not-build-op.patch - Add fix-load-eliding-in-SM.patch - Add fix-wrong-vectorizer-code.patch - Add generate-csel-for-arrayref.patch - Add ipa-const-prop-self-recursion-bugfix.patch - Add ipa-const-prop.patch - Add ipa-struct-reorg-bugfix.patch - Add ipa-struct-reorg.patch - Add medium-code-mode.patch - Add reduction-chain-slp-option.patch - Add reductions-slp-enhancement.patch - Add simplify-removing-subregs.patch - Add tighten-range-for-generating-csel.patch - Add vectorization-enhancement.patch
39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
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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0001-PR-tree-optimization-94574-aarch64-ICE-during-GIMPLE.patch
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f65cecabc32fe12b024253502af953e657e1a878
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diff -uprN a/gcc/testsuite/gcc.dg/pr94574.c b/gcc/testsuite/gcc.dg/pr94574.c
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--- a/gcc/testsuite/gcc.dg/pr94574.c 1970-01-01 00:00:00.000000000 +0000
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+++ b/gcc/testsuite/gcc.dg/pr94574.c 2020-04-15 21:08:48.972000000 +0000
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@@ -0,0 +1,15 @@
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+/* { dg-do compile } */
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+/* { dg-options "-O2" } */
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+
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+typedef unsigned int v4si __attribute__((vector_size(16)));
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+typedef unsigned int v2si __attribute__((vector_size(8)));
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+
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+/* The aliasing is somewhat dubious here, but it must compile. */
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+
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+v2si
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+foo (v4si v)
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+{
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+ v2si res;
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+ *(v4si *) &res = v;
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+ return res;
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+}
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diff -uprN a/gcc/tree-ssa.c b/gcc/tree-ssa.c
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--- a/gcc/tree-ssa.c 2020-03-31 01:51:30.000000000 +0000
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+++ b/gcc/tree-ssa.c 2020-04-15 21:26:09.828000000 +0000
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@@ -1528,7 +1528,9 @@ non_rewritable_lvalue_p (tree lhs)
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&& known_gt (wi::to_poly_offset (TYPE_SIZE_UNIT (TREE_TYPE (decl))),
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mem_ref_offset (lhs))
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&& multiple_of_p (sizetype, TREE_OPERAND (lhs, 1),
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- TYPE_SIZE_UNIT (TREE_TYPE (lhs))))
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+ TYPE_SIZE_UNIT (TREE_TYPE (lhs)))
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+ && known_ge (wi::to_poly_offset (TYPE_SIZE (TREE_TYPE (decl))),
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+ wi::to_poly_offset (TYPE_SIZE (TREE_TYPE (lhs)))))
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return false;
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}
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