Scan %\[re\]di instead of %rdi

Since x32 may use 32-bit register in address, we should scan %\[re\]di
instead of %rdi.

	* gcc.target/i386/avx512vl-vbroadcast-3.c: Scan %\[re\]di
	instead of %rdi.
	* gcc.target/i386/avx512vl-vcvtps2ph-3.c: Likewise.

From-SVN: r236925

gcc/testsuite/ChangeLog

+2016-05-31  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.target/i386/avx512vl-vbroadcast-3.c: Scan %\[re\]di
+	instead of %rdi.
+	* gcc.target/i386/avx512vl-vcvtps2ph-3.c: Likewise.
+
 2016-05-31  Marek Polacek  <polacek@redhat.com>
 
 	* c-c++-common/Wswitch-unreachable-3.c: New test.

gcc/testsuite/gcc.target/i386/avx512vl-vbroadcast-3.c

@@ -150,9 +150,9 @@ f16 (V2 *x)
   asm volatile ("" : "+v" (a));
 }
 
-/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\r]*%rdi\[^\n\r]*%xmm16" 4 } } */
+/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\r]*%\[re\]di\[^\n\r]*%xmm16" 4 } } */
 /* { dg-final { scan-assembler-times "vbroadcastss\[^\n\r]*%xmm16\[^\n\r]*%ymm16" 3 } } */
-/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\r]*%rdi\[^\n\r]*%ymm16" 3 } } */
+/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\r]*%\[re\]di\[^\n\r]*%ymm16" 3 } } */
 /* { dg-final { scan-assembler-times "vpermilps\[^\n\r]*\\\$0\[^\n\r]*%xmm16\[^\n\r]*%xmm16" 1 } } */
 /* { dg-final { scan-assembler-times "vpermilps\[^\n\r]*\\\$85\[^\n\r]*%xmm16\[^\n\r]*%xmm16" 1 } } */
 /* { dg-final { scan-assembler-times "vpermilps\[^\n\r]*\\\$170\[^\n\r]*%xmm16\[^\n\r]*%xmm16" 1 } } */

gcc/testsuite/gcc.target/i386/avx512vl-vcvtps2ph-3.c

@@ -38,4 +38,4 @@ f3 (__m256 x, __v8hi *y)
   *y = (__v8hi) _mm256_cvtps_ph (a, 1);
 }
 
-/* { dg-final { scan-assembler "vcvtps2ph\[^\n\r]*\\\$1\[^\n\r]*%ymm16\[^\n\r]*%rdi" } } */
+/* { dg-final { scan-assembler "vcvtps2ph\[^\n\r]*\\\$1\[^\n\r]*%ymm16\[^\n\r]*%\[re\]di" } } */