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authorJeff Law <law@redhat.com>2020-01-30 09:39:57 -0700
committerJeff Law <law@redhat.com>2020-01-30 09:39:57 -0700
commite0678350ea4ee367206898baa8830d2c79faa0a7 (patch)
treee5ce1506ba37b3871bdbf844cda26a3f02c94cd6 /gcc
parent97b40c39208e384fd3ead463b85cddda9e55a375 (diff)
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Fix "regression" reported by c6x testing.
* gcc.dg/tree-ssa/ssa-dse-26.c: Make existing dg-final scan conditional on !c6x. Add dg-final scan pattern for c6x.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c11
2 files changed, 14 insertions, 2 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0247d2c..269adb2 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-01-30 Jeff Law <law@redhat.com
+
+ * gcc.dg/tree-ssa/ssa-dse-26.c: Make existing dg-final scan
+ conditional on !c6x. Add dg-final scan pattern for c6x.
+
2020-01-30 Martin Sebor <msebor@redhat.com>
PR middle-end/92323
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c
index 836a809..8abc28b 100644
--- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-26.c
@@ -30,6 +30,13 @@ constraint_equal (struct constraint a, struct constraint b)
&& constraint_expr_equal (a.rhs, b.rhs);
}
-/* { dg-final { scan-tree-dump-times "Deleted dead store: x = " 1 "dse1" } } */
-/* { dg-final { scan-tree-dump-times "Deleted dead store: y = " 1 "dse1" } } */
+/* Most targets should be using this test. */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: x = " 1 "dse1" { target { ! tic6x-*-* } } } } */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: y = " 1 "dse1" { target { ! tic6x-*-* } } } } */
+
+/* The c6x port generates significantly different gimple which
+ changes the SRA and DSE decisions. Verify we remove all
+ dead stores. */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: \[ax\].. = " 2 "dse1" { target tic6x-*-* } } } */
+/* { dg-final { scan-tree-dump-times "Deleted dead store: \[by\].. = " 2 "dse1" { target tic6x-*-* } } } */