mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 18:47:06 +00:00
d48735dd85
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58595 Signed-off-by: Nicolas Thill <nico@openwrt.org> SVN-Revision: 44394
118 lines
2.8 KiB
Diff
118 lines
2.8 KiB
Diff
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58595
|
|
|
|
--- /dev/null
|
|
+++ b/gcc/testsuite/gcc.dg/tls/pr58595.c
|
|
@@ -0,0 +1,28 @@
|
|
+/* PR target/58595 */
|
|
+/* { dg-do run } */
|
|
+/* { dg-options "-O2" } */
|
|
+/* { dg-additional-options "-fpic" { target fpic } } */
|
|
+/* { dg-require-effective-target tls } */
|
|
+/* { dg-require-effective-target sync_int_long } */
|
|
+
|
|
+struct S { unsigned long a, b; };
|
|
+__thread struct S s;
|
|
+void bar (unsigned long *);
|
|
+
|
|
+__attribute__((noinline)) void
|
|
+foo (void)
|
|
+{
|
|
+ int i;
|
|
+ for (i = 0; i < 10; i++)
|
|
+ __sync_fetch_and_add (&s.b, 1L);
|
|
+}
|
|
+
|
|
+int
|
|
+main ()
|
|
+{
|
|
+ s.b = 12;
|
|
+ foo ();
|
|
+ if (s.b != 22)
|
|
+ __builtin_abort ();
|
|
+ return 0;
|
|
+}
|
|
--- a/gcc/config/arm/arm.c
|
|
+++ b/gcc/config/arm/arm.c
|
|
@@ -231,7 +231,6 @@ static tree arm_gimplify_va_arg_expr (tr
|
|
static void arm_option_override (void);
|
|
static unsigned HOST_WIDE_INT arm_shift_truncation_mask (enum machine_mode);
|
|
static bool arm_cannot_copy_insn_p (rtx);
|
|
-static bool arm_tls_symbol_p (rtx x);
|
|
static int arm_issue_rate (void);
|
|
static void arm_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
|
|
static bool arm_output_addr_const_extra (FILE *, rtx);
|
|
@@ -6665,6 +6664,32 @@ legitimize_tls_address (rtx x, rtx reg)
|
|
rtx
|
|
arm_legitimize_address (rtx x, rtx orig_x, enum machine_mode mode)
|
|
{
|
|
+ if (arm_tls_referenced_p (x))
|
|
+ {
|
|
+ rtx addend = NULL;
|
|
+
|
|
+ if (GET_CODE (x) == CONST && GET_CODE (XEXP (x, 0)) == PLUS)
|
|
+ {
|
|
+ addend = XEXP (XEXP (x, 0), 1);
|
|
+ x = XEXP (XEXP (x, 0), 0);
|
|
+ }
|
|
+
|
|
+ if (GET_CODE (x) != SYMBOL_REF)
|
|
+ return x;
|
|
+
|
|
+ gcc_assert (SYMBOL_REF_TLS_MODEL (x) != 0);
|
|
+
|
|
+ x = legitimize_tls_address (x, NULL_RTX);
|
|
+
|
|
+ if (addend)
|
|
+ {
|
|
+ x = gen_rtx_PLUS (SImode, x, addend);
|
|
+ orig_x = x;
|
|
+ }
|
|
+ else
|
|
+ return x;
|
|
+ }
|
|
+
|
|
if (!TARGET_ARM)
|
|
{
|
|
/* TODO: legitimize_address for Thumb2. */
|
|
@@ -6673,9 +6698,6 @@ arm_legitimize_address (rtx x, rtx orig_
|
|
return thumb_legitimize_address (x, orig_x, mode);
|
|
}
|
|
|
|
- if (arm_tls_symbol_p (x))
|
|
- return legitimize_tls_address (x, NULL_RTX);
|
|
-
|
|
if (GET_CODE (x) == PLUS)
|
|
{
|
|
rtx xop0 = XEXP (x, 0);
|
|
@@ -6787,9 +6809,6 @@ arm_legitimize_address (rtx x, rtx orig_
|
|
rtx
|
|
thumb_legitimize_address (rtx x, rtx orig_x, enum machine_mode mode)
|
|
{
|
|
- if (arm_tls_symbol_p (x))
|
|
- return legitimize_tls_address (x, NULL_RTX);
|
|
-
|
|
if (GET_CODE (x) == PLUS
|
|
&& CONST_INT_P (XEXP (x, 1))
|
|
&& (INTVAL (XEXP (x, 1)) >= 32 * GET_MODE_SIZE (mode)
|
|
@@ -7080,20 +7099,6 @@ thumb_legitimize_reload_address (rtx *x_
|
|
|
|
/* Test for various thread-local symbols. */
|
|
|
|
-/* Return TRUE if X is a thread-local symbol. */
|
|
-
|
|
-static bool
|
|
-arm_tls_symbol_p (rtx x)
|
|
-{
|
|
- if (! TARGET_HAVE_TLS)
|
|
- return false;
|
|
-
|
|
- if (GET_CODE (x) != SYMBOL_REF)
|
|
- return false;
|
|
-
|
|
- return SYMBOL_REF_TLS_MODEL (x) != 0;
|
|
-}
|
|
-
|
|
/* Helper for arm_tls_referenced_p. */
|
|
|
|
static int
|