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22033d |
2016-12-14 Wilco Dijkstra <wdijkstr@arm.com>
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Jakub Jelinek <jakub@redhat.com>
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PR target/78796
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* config/aarch64/aarch64.c (aarch64_classify_symbol): Merge large
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model checks into switch.
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* gcc.dg/tls/pr78796.c: New test.
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--- gcc/config/aarch64/aarch64.c (revision 243645)
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+++ gcc/config/aarch64/aarch64.c (revision 243646)
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@@ -4986,6 +4986,9 @@ aarch64_classify_symbol (rtx x,
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switch (aarch64_cmodel)
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{
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case AARCH64_CMODEL_LARGE:
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+ if (aarch64_tls_symbol_p (x))
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+ return aarch64_classify_tls_symbol (x);
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+
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return SYMBOL_FORCE_TO_MEM;
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case AARCH64_CMODEL_TINY:
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--- gcc/testsuite/gcc.dg/tls/pr78796.c (nonexistent)
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+++ gcc/testsuite/gcc.dg/tls/pr78796.c (revision 243646)
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@@ -0,0 +1,32 @@
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+/* PR target/78796 */
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+/* { dg-do run } */
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+/* { dg-options "-O2" } */
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+/* { dg-additional-options "-mcmodel=large" { target aarch64-*-* } } */
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+/* { dg-require-effective-target tls } */
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+
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+struct S { int a, b, c, d, e; };
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+struct S t;
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+__thread struct S s;
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+
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+__attribute__((used, noinline, noclone)) void
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+foo (int *x, int *y)
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+{
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+ asm volatile ("" : : "g" (x), "g" (y) : "memory");
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+ if (*x != 1 || *y != 2)
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+ __builtin_abort ();
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+}
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+
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+__attribute__((used, noinline, noclone)) void
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+bar (void)
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+{
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+ foo (&t.c, &s.c);
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+}
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+
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+int
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+main ()
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+{
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+ t.c = 1;
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+ s.c = 2;
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+ bar ();
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+ return 0;
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+}
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