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
53 lines
2.2 KiB
Diff
53 lines
2.2 KiB
Diff
diff -Nurp a/gcc/common.opt b/gcc/common.opt
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--- a/gcc/common.opt 2020-06-20 23:53:56.124000000 +0800
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+++ b/gcc/common.opt 2020-06-22 23:02:18.808000000 +0800
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@@ -2858,6 +2858,10 @@ ftree-slp-vectorize
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Common Report Var(flag_tree_slp_vectorize) Optimization EnabledBy(ftree-vectorize)
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Enable basic block vectorization (SLP) on trees.
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+ftree-vect-analyze-slp-group
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+Common Report Var(flag_tree_slp_group) Init(0)
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+Disable SLP vectorization for reduction chain on tree.
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+
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fvect-cost-model=
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Common Joined RejectNegative Enum(vect_cost_model) Var(flag_vect_cost_model) Init(VECT_COST_MODEL_DEFAULT) Optimization
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-fvect-cost-model=[unlimited|dynamic|cheap] Specifies the cost model for vectorization.
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diff -Nurp a/gcc/testsuite/gcc.dg/vect/vect-reduc-12.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-12.c
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--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-12.c 1970-01-01 08:00:00.000000000 +0800
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+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-12.c 2020-06-22 23:04:08.260000000 +0800
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@@ -0,0 +1,20 @@
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+/* { dg-do compile } */
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+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -funsafe-math-optimizations -fno-tree-reassoc -ftree-vect-analyze-slp-group" } */
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+void f(double *a, double *res, double m) {
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+ double res1, res0;
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+ res1 = 0;
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+ res0 = 0;
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+ for (int i = 0; i < 1000; i+=8) {
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+ res0 += a[i] * m;
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+ res1 += a[i+1] * m;
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+ res0 += a[i+2] * m;
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+ res1 += a[i+3] * m;
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+ res0 += a[i+4] * m;
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+ res1 += a[i+5] * m;
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+ res0 += a[i+6] * m;
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+ res1 += a[i+7] * m;
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+ }
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+ res[0] += res0;
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+ res[1] += res1;
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+}
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+/* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */
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diff -Nurp a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
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--- a/gcc/tree-vect-slp.c 2020-06-21 01:07:56.516000000 +0800
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+++ b/gcc/tree-vect-slp.c 2020-06-22 23:02:54.540000000 +0800
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@@ -2327,8 +2327,9 @@ vect_analyze_slp (vec_info *vinfo, unsig
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{
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/* Find SLP sequences starting from reduction chains. */
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FOR_EACH_VEC_ELT (loop_vinfo->reduction_chains, i, first_element)
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- if (! vect_analyze_slp_instance (vinfo, bst_map, first_element,
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+ if (flag_tree_slp_group
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+ || ! vect_analyze_slp_instance (vinfo, bst_map, first_element,
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max_tree_size))
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{
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/* Dissolve reduction chain group. */
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stmt_vec_info vinfo = first_element;
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