(expand_builtin): Add sin and cos as built-in functions.c

From-SVN: r1983

diff --git a/gcc/expr.c b/gcc/expr.c
index 55bbd80ec7cf5d69275d76ce293e390859718748..17a8fb6ed6821dac7bc6f4c1e839794f9e900b7e 100644 (file)
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -5057,6 +5057,7 @@ expand_builtin (exp, target, subtarget, mode, ignore)
   rtx op0;
   rtx lab1, insns;
   enum machine_mode value_mode = TYPE_MODE (TREE_TYPE (exp));
+  optab builtin_optab;
 
   switch (DECL_FUNCTION_CODE (fndecl))
     {
@@ -5066,6 +5067,8 @@ expand_builtin (exp, target, subtarget, mode, ignore)
       /* build_function_call changes these into ABS_EXPR.  */
       abort ();
 
+    case BUILT_IN_SIN:
+    case BUILT_IN_COS:
     case BUILT_IN_FSQRT:
       /* If not optimizing, call the library function.  */
       if (! optimize)
@@ -5093,10 +5096,22 @@ expand_builtin (exp, target, subtarget, mode, ignore)
       emit_queue ();
       start_sequence ();
 
-      /* Compute sqrt into TARGET. 
+      switch (DECL_FUNCTION_CODE (fndecl))
+       {
+       case BUILT_IN_SIN:
+         builtin_optab = sin_optab; break;
+       case BUILT_IN_COS:
+         builtin_optab = cos_optab; break;
+       case BUILT_IN_FSQRT:
+         builtin_optab = sqrt_optab; break;
+       default:
+         abort ();
+       }
+
+      /* Compute into TARGET.
         Set TARGET to wherever the result comes back.  */
       target = expand_unop (TYPE_MODE (TREE_TYPE (TREE_VALUE (arglist))),
-                           sqrt_optab, op0, target, 0);
+                           builtin_optab, op0, target, 0);
 
       /* If we were unable to expand via the builtin, stop the
         sequence (without outputting the insns) and break, causing
@@ -5112,7 +5127,7 @@ expand_builtin (exp, target, subtarget, mode, ignore)
 
       if (! flag_fast_math)
        {
-         /* Don't define the sqrt instructions
+         /* Don't define the builtin FP instructions
             if your machine is not IEEE.  */
          if (TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT)
            abort ();