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88c07c6552
Most of the patches are copied over from GCC 8.3.
The following patches are backported from the GCC 9.X development branch:
toolchain/gcc/patches/9.1.0/970-recompute-dom-fast-queries-before-vn.patch
toolchain/gcc/patches/9.1.0/975-g++-ICE-with-generic-lambda.patch
The specs file changed with gcc 9, now it contains "%@{L*}" instead of
"%{L*}" in older GCC versions.
Signed-off-by: Joseph Benden <joe@benden.us>
39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
Diff
From f36b864c7d84b36883c6190c83b31c0a8c15172b Mon Sep 17 00:00:00 2001
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From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Fri, 3 May 2019 11:22:33 +0000
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Subject: [PATCH] 2019-05-03 Richard Biener <rguenther@suse.de>
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PR tree-optimization/90316
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* tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
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before running VN.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-9-branch@270849 138bc75d-0d04-0410-961f-82ee72b054a4
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---
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gcc/ChangeLog | 6 ++++++
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gcc/tree-ssa-pre.c | 1 +
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2 files changed, 7 insertions(+)
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--- a/gcc/ChangeLog
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+++ b/gcc/ChangeLog
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@@ -1,3 +1,9 @@
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+2019-05-03 Richard Biener <rguenther@suse.de>
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+
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+ PR tree-optimization/90316
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+ * tree-ssa-pre.c (pass_pre::execute): Re-compute DOM fast queries
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+ before running VN.
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+
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2019-05-03 Release Manager
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* GCC 9.1.0 released.
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--- a/gcc/tree-ssa-pre.c
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+++ b/gcc/tree-ssa-pre.c
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@@ -4197,6 +4197,7 @@ pass_pre::execute (function *fun)
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loop_optimizer_init (LOOPS_NORMAL);
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split_critical_edges ();
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scev_initialize ();
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+ calculate_dominance_info (CDI_DOMINATORS);
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run_rpo_vn (VN_WALK);
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