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-rw-r--r--patches/gcc/4.8.2/110-fix-PR-target-58595.patch101
1 files changed, 101 insertions, 0 deletions
diff --git a/patches/gcc/4.8.2/110-fix-PR-target-58595.patch b/patches/gcc/4.8.2/110-fix-PR-target-58595.patch
new file mode 100644
index 0000000..62a3994
--- /dev/null
+++ b/patches/gcc/4.8.2/110-fix-PR-target-58595.patch
@@ -0,0 +1,101 @@
+Backport fix for PR target/58595
+
+From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Thu, 6 Mar 2014 12:07:07 +0000
+Subject: [PATCH] PR target/58595 * config/arm/arm.c
+ (arm_tls_symbol_p): Remove. (arm_legitimize_address): Call
+ legitimize_tls_address for any arm_tls_referenced_p expression,
+ handle constant addend. Call it before testing for !TARGET_ARM.
+ (thumb_legitimize_address): Don't handle arm_tls_symbol_p here.
+
+ * gcc.dg/tls/pr58595.c: New test.
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@208380 138bc75d-0d04-0410-961f-82ee72b054a4
+
+Index: gcc-4.8.2/gcc/config/arm/arm.c
+===================================================================
+--- gcc-4.8.2.orig/gcc/config/arm/arm.c
++++ gcc-4.8.2/gcc/config/arm/arm.c
+@@ -230,7 +230,6 @@ 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);
+@@ -6573,6 +6572,32 @@ 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. */
+@@ -6581,9 +6606,6 @@ 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);
+@@ -6695,9 +6717,6 @@ 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)
+@@ -6988,20 +7007,6 @@ 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