* configure.ac: Add HAVE_AS_TLS check for Xtensa.

[pf3gnuchains/gcc-fork.git] / gcc / config / xtensa / xtensa.md

diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md
index 4f831d3..29119ed 100644 (file)
--- a/gcc/config/xtensa/xtensa.md
+++ b/gcc/config/xtensa/xtensa.md
@@ -29,6 +29,12 @@
   (UNSPEC_NOP          2)
   (UNSPEC_PLT          3)
   (UNSPEC_RET_ADDR     4)
+  (UNSPEC_TPOFF                5)
+  (UNSPEC_DTPOFF       6)
+  (UNSPEC_TLS_FUNC     7)
+  (UNSPEC_TLS_ARG      8)
+  (UNSPEC_TLS_CALL     9)
+  (UNSPEC_TP           10)
 
   (UNSPECV_SET_FP      1)
   (UNSPECV_ENTRY       2)
@@ -36,6 +42,7 @@
   (UNSPECV_S32RI       4)
   (UNSPECV_S32C1I      5)
   (UNSPECV_EH_RETURN   6)
+  (UNSPECV_SET_TP      7)
 ])
 
 ;; This code iterator allows signed and unsigned widening multiplications
@@ -1560,9 +1567,9 @@
 })
 
 (define_insn "call_value_internal"
-   [(set (match_operand 0 "register_operand" "=a")
-         (call (mem (match_operand:SI 1 "call_insn_operand" "nir"))
-               (match_operand 2 "" "i")))]
+  [(set (match_operand 0 "register_operand" "=a")
+        (call (mem (match_operand:SI 1 "call_insn_operand" "nir"))
+              (match_operand 2 "" "i")))]
   ""
 {
   return xtensa_emit_call (1, operands);
@@ -1698,6 +1705,69 @@
    (set_attr "length"  "0")])
 
 \f
+;; TLS support
+
+(define_expand "sym_TPOFF"
+  [(const (unspec [(match_operand:SI 0 "" "")] UNSPEC_TPOFF))]
+  ""
+  "")
+
+(define_expand "sym_DTPOFF"
+  [(const (unspec [(match_operand:SI 0 "" "")] UNSPEC_DTPOFF))]
+  ""
+  "")
+
+(define_insn "load_tp"
+  [(set (match_operand:SI 0 "register_operand" "=a")
+       (unspec:SI [(const_int 0)] UNSPEC_TP))]
+  "TARGET_THREADPTR"
+  "rur\t%0, THREADPTR"
+  [(set_attr "type"    "rsr")
+   (set_attr "mode"    "SI")
+   (set_attr "length"  "3")])
+
+(define_insn "set_tp"
+  [(unspec_volatile [(match_operand:SI 0 "register_operand" "r")]
+                   UNSPECV_SET_TP)]
+  "TARGET_THREADPTR"
+  "wur\t%0, THREADPTR"
+  [(set_attr "type"    "wsr")
+   (set_attr "mode"    "SI")
+   (set_attr "length"  "3")])
+
+(define_insn "tls_func"
+  [(set (match_operand:SI 0 "register_operand" "=a")
+       (unspec:SI [(match_operand:SI 1 "tls_symbol_operand" "")]
+                  UNSPEC_TLS_FUNC))]
+  "TARGET_THREADPTR && HAVE_AS_TLS"
+  "movi\t%0, %1@TLSFUNC"
+  [(set_attr "type"    "load")
+   (set_attr "mode"    "SI")
+   (set_attr "length"  "3")])
+
+(define_insn "tls_arg"
+  [(set (match_operand:SI 0 "register_operand" "=a")
+       (unspec:SI [(match_operand:SI 1 "tls_symbol_operand" "")]
+                  UNSPEC_TLS_ARG))]
+  "TARGET_THREADPTR && HAVE_AS_TLS"
+  "movi\t%0, %1@TLSARG"
+  [(set_attr "type"    "load")
+   (set_attr "mode"    "SI")
+   (set_attr "length"  "3")])
+
+(define_insn "tls_call"
+  [(set (match_operand:SI 0 "register_operand" "=a")
+       (call (mem:SI (unspec:SI [(match_operand:SI 1 "register_operand" "r")
+                                 (match_operand:SI 2 "tls_symbol_operand" "")]
+                                 UNSPEC_TLS_CALL))
+             (match_operand 3 "" "i")))]
+  "TARGET_THREADPTR && HAVE_AS_TLS"
+  "callx8.tls %1, %2@TLSCALL"
+  [(set_attr "type"    "call")
+   (set_attr "mode"    "none")
+   (set_attr "length"  "3")])
+
+\f
 ;; Instructions for the Xtensa "boolean" option.
 
 (define_insn "*booltrue"