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authorRichard Biener <rguenther@suse.de>2019-03-25 12:15:59 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2019-03-25 12:15:59 +0000
commitecef0d345848dedec252f86f6d528c0536b30e69 (patch)
tree8688a824bde76dd256138b7a58791e79f4507758 /gcc
parent66ec77ce1910c0183fec5da0965813ecd56a778c (diff)
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re PR tree-optimization/89802 ([9 Regresssion] ICE: verify_gimple failed (error: dead STMT in EH table))
2019-03-25 Richard Biener <rguenther@suse.de> PR tree-optimization/89802 * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly move EH data to folded stmt. * g++.dg/tree-ssa/pr89802.C: New testcase. From-SVN: r269913
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/tree-ssa/pr89802.C28
-rw-r--r--gcc/tree-ssa-math-opts.c7
4 files changed, 45 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e35e82..e7fbaeb 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-03-25 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/89802
+ * tree-ssa-math-opts.c (convert_mult_to_fma_1): Properly
+ move EH data to folded stmt.
+
2019-03-25 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/s390-builtin-types.def: Remove few unused types and
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 96b23c0..ef7ae1b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2019-03-25 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/89802
+ * g++.dg/tree-ssa/pr89802.C: New testcase.
+
2019-03-25 Jakub Jelinek <jakub@redhat.com>
PR c++/60702
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr89802.C b/gcc/testsuite/g++.dg/tree-ssa/pr89802.C
new file mode 100644
index 0000000..f93f8cd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr89802.C
@@ -0,0 +1,28 @@
+// { dg-do compile }
+// { dg-options "-O2 -fnon-call-exceptions" }
+// { dg-additional-options "-mfma" { target x86_64-*-* i?86-*-* } }
+
+struct ef
+{
+ ef (double xy) : m6 (xy)
+ {
+ }
+
+ ~ef ()
+ {
+ }
+
+ double m6;
+};
+
+ef
+operator- (ef &db, ef oa)
+{
+ return db.m6 - oa.m6;
+}
+
+ef
+vu (ef &db)
+{
+ return db - ef (db.m6 * 1.1);
+}
diff --git a/gcc/tree-ssa-math-opts.c b/gcc/tree-ssa-math-opts.c
index cb8a914..8902d85 100644
--- a/gcc/tree-ssa-math-opts.c
+++ b/gcc/tree-ssa-math-opts.c
@@ -2917,8 +2917,13 @@ convert_mult_to_fma_1 (tree mul_result, tree op1, tree op2)
gsi_replace (&gsi, fma_stmt, true);
/* Follow all SSA edges so that we generate FMS, FNMA and FNMS
regardless of where the negation occurs. */
+ gimple *orig_stmt = gsi_stmt (gsi);
if (fold_stmt (&gsi, follow_all_ssa_edges))
- update_stmt (gsi_stmt (gsi));
+ {
+ if (maybe_clean_or_replace_eh_stmt (orig_stmt, gsi_stmt (gsi)))
+ gcc_unreachable ();
+ update_stmt (gsi_stmt (gsi));
+ }
if (dump_file && (dump_flags & TDF_DETAILS))
{