re PR target/56028 (Splitting a 64-bit volatile store)

	PR target/56028
	* config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
	alternative to (o,r).
	(*movdi_internal_rex64): Remove (!o,n) alternative.
	(DImode immediate->memory splitter): Remove.
	(DImode immediate->memory peephole2): Remove.
	(movtf): Enable for TARGET_64BIT || TARGET_SSE.
	(*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
	alternative to (!o,*r).
	(*movtf_internal_sse): New pattern.
	(*movxf_internal_rex64): New pattern.
	(*movxf_internal): Disable for TARGET_64BIT.
	(*movdf_internal_rex64): Remove (!o,F) alternative.

testsuite/ChangeLog:

2012-01-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/56028
	* gcc.target/i386/pr56028.c: New test.

From-SVN: r195386

gcc/ChangeLog

+2012-01-22  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/56028
+	* config/i386/i386.md (*movti_internal_rex64): Change (o,riF)
+	alternative to (o,r).
+	(*movdi_internal_rex64): Remove (!o,n) alternative.
+	(DImode immediate->memory splitter): Remove.
+	(DImode immediate->memory peephole2): Remove.
+	(movtf): Enable for TARGET_64BIT || TARGET_SSE.
+	(*movtf_internal_rex64): Rename from *movtf_internal. Change (!o,F*r)
+	alternative to (!o,*r).
+	(*movtf_internal_sse): New pattern.
+	(*movxf_internal_rex64): New pattern.
+	(*movxf_internal): Disable for TARGET_64BIT.
+	(*movdf_internal_rex64): Remove (!o,F) alternative.
+
 2013-01-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/56074

gcc/testsuite/ChangeLog

+2012-01-22  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/56028
+	* gcc.target/i386/pr56028.c: New test.
+
 2013-01-22  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/55686

gcc/testsuite/gcc.target/i386/pr56028.c

+/* { dg-do compile  { target { ! { ia32 } } } } */
+/* { dg-options "-O2" } */
+
+volatile int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p;
+
+volatile long long y;
+
+void
+test ()
+{
+  int a_ = a;
+  int b_ = b;
+  int c_ = c;
+  int d_ = d;
+  int e_ = e;
+  int f_ = f;
+  int g_ = g;
+  int h_ = h;
+  int i_ = i;
+  int j_ = j;
+  int k_ = k;
+  int l_ = l;
+  int m_ = m;
+  int n_ = n;
+  int o_ = o;
+  int p_ = p;
+
+  int z;
+
+  for (z = 0; z < 1000; z++)
+    {
+      y = 0x100000002ll;
+      y = 0x300000004ll;
+    }
+
+  a = a_;
+  b = b_;
+  c = c_;
+  d = d_;
+  e = e_;
+  f = f_;
+  g = g_;
+  h = h_;
+  i = i_;
+  j = j_;
+  k = k_;
+  l = l_;
+  m = m_;
+  n = n_;
+  o = o_;
+  p = p_;
+}
+
+/* { dg-final { scan-assembler-times "movabs" 2 } } */