nvptx.md (sincossf3): New pattern.

	gcc/
	* config/nvptx/nvptx.md (sincossf3): New pattern.

	gcc/testsuite/
	* gcc.target/nvptx/sincos.c: New test.

From-SVN: r236523

gcc/ChangeLog

+2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
+
+	* config/nvptx/nvptx.md (sincossf3): New pattern.
+
 2016-05-20  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/70738

gcc/config/nvptx/nvptx.md

@@ -794,6 +794,17 @@
   ""
   "%.\\tsqrt%#%t0\\t%0, %1;")
 
+(define_expand "sincossf3"
+  [(set (match_operand:SF 0 "nvptx_register_operand" "=R")
+	(unspec:SF [(match_operand:SF 2 "nvptx_register_operand" "R")]
+	           UNSPEC_COS))
+   (set (match_operand:SF 1 "nvptx_register_operand" "=R")
+	(unspec:SF [(match_dup 2)] UNSPEC_SIN))]
+  "flag_unsafe_math_optimizations"
+{
+  operands[2] = make_safe_from (operands[2], operands[0]);
+})
+
 (define_insn "sinsf2"
   [(set (match_operand:SF 0 "nvptx_register_operand" "=R")
 	(unspec:SF [(match_operand:SF 1 "nvptx_register_operand" "R")]

gcc/testsuite/ChangeLog

+2016-05-20  Cesar Philippidis  <cesar@codesourcery.com>
+
+	* gcc.target/nvptx/sincos.c: New test.
+
 2016-05-20  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/70572

gcc/testsuite/gcc.target/nvptx/sincos.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -ffast-math" } */
+
+extern float sinf (float);
+extern float cosf (float);
+
+float
+sincos_add (float x)
+{
+  float s = sinf (x);
+  float c = cosf (x);
+
+  return s + c;
+}
+
+/* { dg-final { scan-assembler-times "sin.approx.f32" 1 } } */
+/* { dg-final { scan-assembler-times "cos.approx.f32" 1 } } */