[ARC] Backport ix emitting TLS symbols.

From-SVN: r273658

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 30b2ea0255ab5c3b056cfdfe60ac0b964c49aede..258a5d0b288eb94ce35a9ba21a6dcaf45fa52034 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-07-22  Claudiu Zissulescu  <claziss@synopsys.com>
+
+       Backport from mainline.
+       * config/arc/arc.c (prepare_move_operands): Always use an
+       intermediate register when storing a TLS symbols.
+
 2019-07-20  Richard Sandiford  <richard.sandiford@arm.com>
 
        Backport from mainline

diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index daacc79d0cbe707ad654ffe13f68f35476fa3b12..ee1f70bbb51542c63a683a9a364d5ae8856eaa1f 100644 (file)
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -8951,7 +8951,7 @@ prepare_move_operands (rtx *operands, machine_mode mode)
   if (GET_CODE (operands[1]) == SYMBOL_REF)
     {
       enum tls_model model = SYMBOL_REF_TLS_MODEL (operands[1]);
-      if (MEM_P (operands[0]) && flag_pic)
+      if (MEM_P (operands[0]))
        operands[1] = force_reg (mode, operands[1]);
       else if (model)
        operands[1] = arc_legitimize_tls_address (operands[1], model);

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e57acad0d33f8b329e6c235e1f13dff88670d430..b028bfdedf967f6e2aea68165f07647fb038d5d9 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2019-07-22  Claudiu Zissulescu  <claziss@synopsys.com>
+
+       Backport from mainline
+       * gcc.target/arc/tls-2.c: New test.
+       * gcc.target/arc/tls-3.c: Likewise.
+
 2019-07-20  Richard Sandiford  <richard.sandiford@arm.com>
 
        Backport from mainline

diff --git a/gcc/testsuite/gcc.target/arc/tls-2.c b/gcc/testsuite/gcc.target/arc/tls-2.c
new file mode 100644 (file)
index 0000000..3cec309
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arc/tls-2.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target tls } */
+/* { dg-skip-if "" { arc*-*-elf* } } */
+/* { dg-options "-O2" } */
+
+typedef int type_a;
+__thread int b;
+int c;
+
+extern int bar (char *, int, int *, int, int *, char, type_a, int *, int *);
+int foo (int *f, char buffer, type_a buflen, int *g)
+{
+  bar("", c, (int *)foo, 1, (int *)f, buffer, buflen, (int *)g, &b);
+}

diff --git a/gcc/testsuite/gcc.target/arc/tls-3.c b/gcc/testsuite/gcc.target/arc/tls-3.c
new file mode 100644 (file)
index 0000000..e78b5a2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arc/tls-3.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target tls } */
+/* { dg-skip-if "" { arc*-*-elf* } } */
+/* { dg-options "-Os -fPIC" } */
+
+
+typedef struct
+{
+  int(a);
+  char b[];
+} type_c;
+
+
+extern int bar (char *, int, char *);
+static _Thread_local type_c d;
+int foo(void)
+{
+  bar(d.b, 0,  d.b);
+}