i386.c (legitimize_tls_address): Mark __tls_get_addr calls as pure.

2007-05-16  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
        calls as pure.

From-SVN: r124765

gcc/ChangeLog

+2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
+
+        * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
+        calls as pure.
+
 2007-05-16  Eric Christopher  <echristo@apple.com>
 
 	* config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register

gcc/config/i386/i386.c

@@ -7298,6 +7298,7 @@ legitimize_tls_address (rtx x, enum tls_model model, int for_mov)
 	  insns = get_insns ();
 	  end_sequence ();
 
+	  CONST_OR_PURE_CALL_P (insns) = 1;
 	  emit_libcall_block (insns, dest, rax, x);
 	}
       else if (TARGET_64BIT && TARGET_GNU2_TLS)
@@ -7328,6 +7329,7 @@ legitimize_tls_address (rtx x, enum tls_model model, int for_mov)
 
 	  note = gen_rtx_EXPR_LIST (VOIDmode, const0_rtx, NULL);
 	  note = gen_rtx_EXPR_LIST (VOIDmode, ix86_tls_get_addr (), note);
+	  CONST_OR_PURE_CALL_P (insns) = 1;
 	  emit_libcall_block (insns, base, rax, note);
 	}
       else if (TARGET_64BIT && TARGET_GNU2_TLS)