* target.h (gcc_target): Add cannot_force_const_mem.

        * target-def.h (TARGET_CANNOT_FORCE_CONST_MEM): New.
        (TARGET_INITIALIZER): Add it.
        * varasm.c (force_const_mem): Fail if cannot_force_const_mem.
        * expr.c (emit_move_insn): Be prepared for force_const_mem to fail.
        * reload1.c (reload): Likewise.
        * hooks.c (hook_bool_rtx_false): New.
        * hooks.h: Declare it.

        * config/i386/i386.c (ix86_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): New.
        (ix86_expand_move): Remove de-const-pooling hack.

	* gcc.dg/tls/opt-4.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59971 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 7 insertions, 0 deletions

diff --git a/gcc/hooks.c b/gcc/hooks.c
index 6569a38d7a0..3f212ef3e1b 100644
--- a/gcc/hooks.c
+++ b/gcc/hooks.c
@@ -114,3 +114,10 @@ hook_bool_tree_false (a)
 {
   return false;
 }
+
+bool
+hook_bool_rtx_false (a)
+     rtx a ATTRIBUTE_UNUSED;
+{
+  return false;
+}