configure.ac [spu-*-*]: Do not set skipdirs.

[thirdparty/gcc.git] / gcc / config / spu / spu.md

diff --git a/gcc/config/spu/spu.md b/gcc/config/spu/spu.md
index d1fa6f0350807d85f0b6b835d83ebae48ac9c100..e7b48f5694129561f2615381572fa152b1cae706 100644 (file)
--- a/gcc/config/spu/spu.md
+++ b/gcc/config/spu/spu.md
@@ -155,6 +155,8 @@
  (UNSPEC_DFTSV          51)
  (UNSPEC_FLOAT_EXTEND   52)
  (UNSPEC_FLOAT_TRUNCATE         53)
+ (UNSPEC_SP_SET         54)
+ (UNSPEC_SP_TEST        55) 
 ])
 
 (include "predicates.md")
@@ -5188,4 +5190,51 @@ DONE;
   DONE;
 }")
 
+(define_insn "stack_protect_set"
+  [(set (match_operand:SI 0 "spu_mem_operand" "=m")
+        (unspec:SI [(match_operand:SI 1 "spu_mem_operand" "m")] UNSPEC_SP_SET))
+   (set (match_scratch:SI 2 "=&r") (const_int 0))]
+  ""
+  "lq%p1\t%2,%1\;stq%p0\t%2,%0\;xor\t%2,%2,%2"
+  [(set_attr "length" "12")
+   (set_attr "type" "multi1")]
+)
+
+(define_expand "stack_protect_test"
+  [(match_operand 0 "spu_mem_operand" "")
+   (match_operand 1 "spu_mem_operand" "")
+   (match_operand 2 "" "")]
+  ""
+{
+  rtx compare_result;
+  rtx bcomp, loc_ref;
+
+  compare_result = gen_reg_rtx (SImode);
+
+  emit_insn (gen_stack_protect_test_si (compare_result,
+                                        operands[0],
+                                        operands[1]));
+
+  bcomp = gen_rtx_NE (SImode, compare_result, const0_rtx);
+
+  loc_ref = gen_rtx_LABEL_REF (VOIDmode, operands[2]);
+
+  emit_jump_insn (gen_rtx_SET (VOIDmode, pc_rtx,
+                                   gen_rtx_IF_THEN_ELSE (VOIDmode, bcomp,
+                                                         loc_ref, pc_rtx)));
+
+  DONE;
+})
+
+(define_insn "stack_protect_test_si"
+  [(set (match_operand:SI 0 "spu_reg_operand" "=&r")
+        (unspec:SI [(match_operand:SI 1 "spu_mem_operand" "m")
+                    (match_operand:SI 2 "spu_mem_operand" "m")]
+                   UNSPEC_SP_TEST))
+   (set (match_scratch:SI 3 "=&r") (const_int 0))]
+  ""
+  "lq%p1\t%0,%1\;lq%p2\t%3,%2\;ceq\t%0,%0,%3\;xor\t%3,%3,%3"
+  [(set_attr "length" "16")
+   (set_attr "type" "multi1")]
+)