re PR target/82641 (Unable to enable crc32 for a certain function with target…

re PR target/82641 (Unable to enable crc32 for a certain function with target attribute on ARM (aarch32))

2018-01-09  Tamar Christina  <tamar.christina@arm.com>                                                                          

        PR target/82641
        * gcc.target/arm/pragma_fpu_attribute.c: Rewrite to use
        no NEON and require softfp or hard float-abi.
        * gcc.target/arm/pragma_fpu_attribute_2.c: Likewise.

From-SVN: r256375

gcc/testsuite/ChangeLog

+2018-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR target/82641
+	* gcc.target/arm/pragma_fpu_attribute.c: Rewrite to use
+	no NEON and require softfp or hard float-abi.
+	* gcc.target/arm/pragma_fpu_attribute_2.c: Likewise.
+
 2018-01-09  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/83572

gcc/testsuite/gcc.target/arm/pragma_fpu_attribute.c

 /* Test for target attribute assembly extension generations.  */
 /* { dg-do compile } */
-/* { dg-require-effective-target arm_arch_v8a_ok } */
-/* { dg-additional-options "-std=gnu99 -mfpu=vfpv3-d16" } */
+/* { dg-require-effective-target arm_fp_ok } */
+/* { dg-add-options arm_fp } */
 
 #include <stdint.h>
-#include <arm_neon.h>
 
-extern uint32_t bar();
+extern uint32_t bar ();
 
-__attribute__((target("fpu=crypto-neon-fp-armv8"))) poly64x1_t vsricw(poly64x1_t crc, uint32_t val)
+#pragma GCC target("fpu=vfpv3-d16")
+
+extern float fmaf (float, float, float);
+
+float
+__attribute__((target("fpu=vfpv4"))) vfma32 (float x, float y, float z)
 {
-    poly64x1_t res;
-    asm("vsri %0, %1, %2" : "=r"(res) : "r"(crc), "r"(val));
-    return res;
+  return fmaf (x, y, z);
 }
 
 uint32_t restored ()
@@ -20,5 +22,5 @@ uint32_t restored ()
   return bar();
 }
 
-/* { dg-final { scan-assembler-times {\.fpu\s+crypto-neon-fp-armv8} 1 } } */
+/* { dg-final { scan-assembler-times {\.fpu\s+vfpv4} 1 } } */
 /* { dg-final { scan-assembler-times {\.fpu\s+vfpv3-d16} 1 } } */

gcc/testsuite/gcc.target/arm/pragma_fpu_attribute_2.c

 /* Test for #pragma assembly extension generations.  */
 /* { dg-do compile } */
-/* { dg-require-effective-target arm_arch_v8a_ok } */
-/* { dg-additional-options "-std=gnu99 -mfpu=vfpv3-d16" } */
+/* { dg-require-effective-target arm_fp_ok } */
+/* { dg-add-options arm_fp } */
 
 #include <stdint.h>
-#include <arm_neon.h>
+
+#pragma GCC target("fpu=vfpv3-d16")
 
 extern uint32_t bar();
 
 #pragma GCC push_options
-#pragma GCC target("fpu=crypto-neon-fp-armv8")
-poly64x1_t vsricw(poly64x1_t crc, uint32_t val)
+#pragma GCC target("fpu=vfpv4")
+extern float fmaf (float, float, float);
+
+float
+vfma32 (float x, float y, float z)
 {
-    poly64x1_t res;
-    asm("vsri %0, %1, %2" : "=r"(res) : "r"(crc), "r"(val));
-    return res;
+  return fmaf (x, y, z);
 }
 #pragma GCC pop_options
 
@@ -23,5 +25,5 @@ uint32_t restored ()
   return bar();
 }
 
-/* { dg-final { scan-assembler-times {\.fpu\s+crypto-neon-fp-armv8} 1 } } */
+/* { dg-final { scan-assembler-times {\.fpu\s+vfpv4} 1 } } */
 /* { dg-final { scan-assembler-times {\.fpu\s+vfpv3-d16} 1 } } */