compat-libgfortran-48/SOURCES/gcc48-pr78796.patch

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2016-12-14 Wilco Dijkstra <wdijkstr@arm.com>
Jakub Jelinek <jakub@redhat.com>
PR target/78796
* config/aarch64/aarch64.c (aarch64_classify_symbol): Merge large
model checks into switch.
* gcc.dg/tls/pr78796.c: New test.
--- gcc/config/aarch64/aarch64.c (revision 243645)
+++ gcc/config/aarch64/aarch64.c (revision 243646)
@@ -4986,6 +4986,9 @@ aarch64_classify_symbol (rtx x,
switch (aarch64_cmodel)
{
case AARCH64_CMODEL_LARGE:
+ if (aarch64_tls_symbol_p (x))
+ return aarch64_classify_tls_symbol (x);
+
return SYMBOL_FORCE_TO_MEM;
case AARCH64_CMODEL_TINY:
--- gcc/testsuite/gcc.dg/tls/pr78796.c (nonexistent)
+++ gcc/testsuite/gcc.dg/tls/pr78796.c (revision 243646)
@@ -0,0 +1,32 @@
+/* PR target/78796 */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+/* { dg-additional-options "-mcmodel=large" { target aarch64-*-* } } */
+/* { dg-require-effective-target tls } */
+
+struct S { int a, b, c, d, e; };
+struct S t;
+__thread struct S s;
+
+__attribute__((used, noinline, noclone)) void
+foo (int *x, int *y)
+{
+ asm volatile ("" : : "g" (x), "g" (y) : "memory");
+ if (*x != 1 || *y != 2)
+ __builtin_abort ();
+}
+
+__attribute__((used, noinline, noclone)) void
+bar (void)
+{
+ foo (&t.c, &s.c);
+}
+
+int
+main ()
+{
+ t.c = 1;
+ s.c = 2;
+ bar ();
+ return 0;
+}