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authorVladimir Makarov <vmakarov@redhat.com>2014-09-18 19:14:19 +0000
committerVladimir Makarov <vmakarov@gcc.gnu.org>2014-09-18 19:14:19 +0000
commit2fb5f0da9dff6e7f4e394da90c0edcc333402217 (patch)
tree131eb9ecb7c23931a1734a7f72c2334e00377bcc
parentf4d5fe4732a287ef7b0981f8d895a9c263312b66 (diff)
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re PR debug/63285 (-fcompare-debug scheduler related failure)
2014-09-18 Vladimir Makarov <vmakarov@redhat.com> PR debug/63285 * haifa-sched.c (schedule_block): Advance cycle at the end of BB if advance != 0. 2014-09-18 Vladimir Makarov <vmakarov@redhat.com> PR debug/63285 * gcc.target/i386/pr63285.c: New test. From-SVN: r215364
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/haifa-sched.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.target/i386/pr63285.c28
4 files changed, 40 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3c55ce4..de52a05 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2014-09-18 Vladimir Makarov <vmakarov@redhat.com>
+ PR debug/63285
+ * haifa-sched.c (schedule_block): Advance cycle at the end of BB
+ if advance != 0.
+
+2014-09-18 Vladimir Makarov <vmakarov@redhat.com>
+
PR target/61360
* lra.c (lra): Call recog_init.
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c
index fb92bb2..cb41cc2 100644
--- a/gcc/haifa-sched.c
+++ b/gcc/haifa-sched.c
@@ -6473,7 +6473,7 @@ schedule_block (basic_block *target_bb, state_t init_state)
if (ls.modulo_epilogue)
success = true;
end_schedule:
- if (!ls.first_cycle_insn_p)
+ if (!ls.first_cycle_insn_p || advance)
advance_one_cycle ();
perform_replacements_new_cycle ();
if (modulo_ii > 0)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index de00b32..ba86e0ea 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2014-09-18 Vladimir Makarov <vmakarov@redhat.com>
+ PR debug/63285
+ * gcc.target/i386/pr63285.c: New test.
+
+2014-09-18 Vladimir Makarov <vmakarov@redhat.com>
+
PR target/61360
* gcc.target/i386/pr61360.c: New.
diff --git a/gcc/testsuite/gcc.target/i386/pr63285.c b/gcc/testsuite/gcc.target/i386/pr63285.c
new file mode 100644
index 0000000..e4df8fb
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr63285.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug" } */
+
+struct S { int a; };
+struct T { int b, c; } a;
+long b;
+int c, d;
+void bar (int, int);
+void baz (void *, int);
+
+void
+foo (struct S *x, int y, int z, void *f, int *p, struct T *e)
+{
+ while (x)
+ {
+ baz (f, &d > p);
+ if (z & 1)
+ bar (f > (void *) &f, z);
+ }
+ if (c)
+ {
+ asm ("" : "+m" (a) : "i" (0));
+ y--;
+ }
+ if (e->b == e->c)
+ c = y;
+ y--;
+}