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
72 lines
2.5 KiB
Diff
72 lines
2.5 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-vect-ICE-in-vectorizable_load-at-tree-vect-stmts.c-9.patch:
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f14b41d27124601284347a10d496362c8b4b8e1c
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diff -Nurp a/gcc/testsuite/gcc.target/aarch64/pr94398.c b/gcc/testsuite/gcc.target/aarch64/pr94398.c
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--- a/gcc/testsuite/gcc.target/aarch64/pr94398.c 1970-01-01 08:00:00.000000000 +0800
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+++ b/gcc/testsuite/gcc.target/aarch64/pr94398.c 2020-04-17 17:15:58.176000000 +0800
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@@ -0,0 +1,24 @@
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+/* { dg-do compile } */
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+/* { dg-options "-O2 -ftree-loop-vectorize -funsafe-math-optimizations -march=armv8.2-a+sve -mstrict-align" } */
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+
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+float
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+foo(long n, float *x, int inc_x,
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+ float *y, int inc_y)
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+{
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+ float dot = 0.0;
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+ int ix = 0, iy = 0;
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+
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+ if (n < 0) {
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+ return dot;
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+ }
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+
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+ int i = 0;
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+ while (i < n) {
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+ dot += y[iy] * x[ix];
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+ ix += inc_x;
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+ iy += inc_y;
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+ i++;
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+ }
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+
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+ return dot;
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+}
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diff -Nurp a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
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--- a/gcc/tree-vect-stmts.c 2020-04-17 17:10:14.796000000 +0800
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+++ b/gcc/tree-vect-stmts.c 2020-04-17 17:15:08.611850850 +0800
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@@ -7025,8 +7025,14 @@ vectorizable_store (stmt_vec_info stmt_i
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auto_vec<tree> dr_chain (group_size);
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oprnds.create (group_size);
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- alignment_support_scheme
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- = vect_supportable_dr_alignment (first_dr_info, false);
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+ /* Gather-scatter accesses perform only component accesses, alignment
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+ is irrelevant for them. */
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+ if (memory_access_type == VMAT_GATHER_SCATTER)
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+ alignment_support_scheme = dr_unaligned_supported;
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+ else
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+ alignment_support_scheme
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+ = vect_supportable_dr_alignment (first_dr_info, false);
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+
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gcc_assert (alignment_support_scheme);
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vec_loop_masks *loop_masks
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= (loop_vinfo && LOOP_VINFO_FULLY_MASKED_P (loop_vinfo)
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@@ -8162,8 +8168,14 @@ vectorizable_load (stmt_vec_info stmt_in
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ref_type = reference_alias_ptr_type (DR_REF (first_dr_info->dr));
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}
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- alignment_support_scheme
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- = vect_supportable_dr_alignment (first_dr_info, false);
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+ /* Gather-scatter accesses perform only component accesses, alignment
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+ is irrelevant for them. */
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+ if (memory_access_type == VMAT_GATHER_SCATTER)
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+ alignment_support_scheme = dr_unaligned_supported;
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+ else
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+ alignment_support_scheme
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+ = vect_supportable_dr_alignment (first_dr_info, false);
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+
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gcc_assert (alignment_support_scheme);
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vec_loop_masks *loop_masks
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= (loop_vinfo && LOOP_VINFO_FULLY_MASKED_P (loop_vinfo)
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