01e0ec8ea6
- avoid-cycling-on-vertain-subreg-reloads.patch: Add patch source comment - change-gcc-BASE-VER.patch: Likewise - dont-generate-IF_THEN_ELSE.patch: Likewise - fix-ICE-in-compute_live_loop_exits.patch: Likewise - fix-ICE-in-eliminate_stmt.patch: Likewise - fix-ICE-in-vect_create_epilog_for_reduction.patch: Likewise - fix-ICE-in-vect_stmt_to_vectorize.patch: Likewise - fix-ICE-in-verify_ssa.patch: Likewise - fix-ICE-when-vectorizing-nested-cycles.patch: Likewise - fix-cost-of-plus.patch: Likewise - ipa-const-prop-self-recursion-bugfix.patch: Likewise - simplify-removing-subregs.patch: Likewise - medium-code-mode.patch: Bugfix - fix-when-peeling-for-alignment.patch: Move to ... - fix-PR-92351-When-peeling-for-alignment.patch: ... this - AArch64-Fix-constraints-for-CPY-M.patch: New file - Apply-maximum-nunits-for-BB-SLP.patch: New file - Fix-EXTRACT_LAST_REDUCTION-segfault.patch: New file - Fix-up-push_partial_def-little-endian-bitfield.patch: New file - Fix-zero-masking-for-vcvtps2ph.patch: New file - IRA-Handle-fully-tied-destinations.patch: New file - SLP-VECT-Add-check-to-fix-96837.patch: New file - aarch64-Fix-ash-lr-lshr-mode-3-expanders.patch: New file - aarch64-Fix-bf16-and-matrix-g++-gfortran.patch: New file - aarch64-Fix-mismatched-SVE-predicate-modes.patch: New file - aarch64-fix-sve-acle-error.patch: New file - adjust-vector-cost-and-move-EXTRACT_LAST_REDUCTION-costing.patch: New file - bf16-and-matrix-characteristic.patch: New file - fix-ICE-IPA-compare-VRP-types.patch: New file - fix-ICE-in-affine-combination.patch: New file - fix-ICE-in-pass-vect.patch: New file - fix-ICE-in-vect_update_misalignment_for_peel.patch: New file - fix-addlosymdi-ICE-in-pass-reload.patch: New file - fix-an-ICE-in-vect_recog_mask_conversion_pattern.patch: New file - fix-avx512vl-vcvttpd2dq-2-fail.patch: New file - fix-issue499-add-nop-convert.patch: New file - fix-issue604-ldist-dependency-fixup.patch: New file - modulo-sched-Carefully-process-loop-counter-initiali.patch: New file - re-PR-target-91124-gcc.target-i386-avx512vl-vpshldvd.patch: New file - reduction-paths-with-unhandled-live-stmt.patch: New file - redundant-loop-elimination.patch: New file - sccvn-Improve-handling-of-load-masked-with-integer.patch: New file - speed-up-DDG-analysis-and-fix-bootstrap-compare-debug.patch: New file - store-merging-Consider-also-overlapping-stores-earlier.patch: New file - tree-optimization-96920-another-ICE-when-vectorizing.patch: New file - tree-optimization-97812-fix-range-query-in-VRP-asser.patch: New file - vectorizable-comparison-Swap-operands-only-once.patch: New file - x86-Fix-bf16-and-matrix.patch: New file
83 lines
2.3 KiB
Diff
83 lines
2.3 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-re-PR-tree-optimization-92085-ICE-tree-check-expecte.patch
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3c8e341b996546607fa1f39a0fd9a9d7c2c38214
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diff -Nurp a/gcc/testsuite/gcc.dg/tree-ssa/pr92085-1.c b/gcc/testsuite/gcc.dg/tree-ssa/pr92085-1.c
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--- a/gcc/testsuite/gcc.dg/tree-ssa/pr92085-1.c 1970-01-01 08:00:00.000000000 +0800
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+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr92085-1.c 2020-07-09 11:05:23.136000000 +0800
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@@ -0,0 +1,20 @@
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+/* { dg-do compile } */
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+/* { dg-options "-O1 -fexceptions -fnon-call-exceptions -ftree-loop-vectorize -fno-tree-sink --param dse-max-alias-queries-per-store=2 -w" } */
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+
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+void
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+di (int y9, int qw)
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+{
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+ if ((int) &y9 != 0)
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+ {
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+ int py;
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+ int **fq = &py;
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+
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+ while (qw < 1)
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+ {
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+ if ((0 < (**fq ? **fq : (**fq = 1))) / (**fq = y9))
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+ ;
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+
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+ ++qw;
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+ }
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+ }
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+}
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diff -Nurp a/gcc/testsuite/gcc.dg/tree-ssa/pr92085-2.c b/gcc/testsuite/gcc.dg/tree-ssa/pr92085-2.c
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--- a/gcc/testsuite/gcc.dg/tree-ssa/pr92085-2.c 1970-01-01 08:00:00.000000000 +0800
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+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr92085-2.c 2020-07-09 11:05:23.136000000 +0800
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@@ -0,0 +1,29 @@
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+/* { dg-do compile } */
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+/* { dg-options "-O1 -ftree-loop-vectorize -fno-tree-dce -fno-tree-sink -w" } */
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+
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+int a8;
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+
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+void
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+c1 (int oz, int dk, int ub)
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+{
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+ int *hd = 0;
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+ long int *th = &dk;
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+
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+ while (ub < 1)
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+ {
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+ oz || dk;
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+ ++ub;
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+ }
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+
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+ while (oz < 2)
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+ {
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+ long int *lq = &oz;
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+
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+ (*hd < (*lq = *th)) < oz;
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+
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+ if (oz == 0)
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+ *th = a8 = oz;
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+
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+ *lq = 0;
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+ }
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+}
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diff -Nurp a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c
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--- a/gcc/tree-if-conv.c 2020-07-09 11:04:58.832000000 +0800
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+++ b/gcc/tree-if-conv.c 2020-07-09 11:05:23.136000000 +0800
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@@ -2984,10 +2984,11 @@ ifcvt_local_dce (class loop *loop)
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ao_ref write;
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ao_ref_init (&write, lhs);
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- if (dse_classify_store (&write, stmt, false, NULL, NULL, latch_vdef)
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- == DSE_STORE_DEAD)
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- delete_dead_or_redundant_assignment (&gsi, "dead");
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- gsi_next (&gsi);
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+ if (dse_classify_store (&write, stmt, false, NULL, NULL, latch_vdef)
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+ == DSE_STORE_DEAD)
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+ delete_dead_or_redundant_assignment (&gsi, "dead");
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+ else
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+ gsi_next (&gsi);
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continue;
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}
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