sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use constraint x instead of v…

sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use constraint x instead of v in second alternative, add avx512bw alternative.

	* config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
	constraint x instead of v in second alternative, add avx512bw
	alternative.

	* gcc.target/i386/avx512vl-vpmulhrsw-3.c: New test.
	* gcc.target/i386/avx512bw-vpmulhrsw-3.c: New test.

From-SVN: r236366

gcc/ChangeLog

 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
 
+	* config/i386/sse.md (*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>): Use
+	constraint x instead of v in second alternative, add avx512bw
+	alternative.
+
 	* config/i386/sse.md (avx2_pmaddubsw256, ssse3_pmaddubsw128): Add
 	avx512bw alternative.
 

gcc/config/i386/sse.md

@@ -14170,16 +14170,16 @@
 })
 
 (define_insn "*<ssse3_avx2>_pmulhrsw<mode>3<mask_name>"
-  [(set (match_operand:VI2_AVX2 0 "register_operand" "=x,v")
+  [(set (match_operand:VI2_AVX2 0 "register_operand" "=x,x,v")
 	(truncate:VI2_AVX2
 	  (lshiftrt:<ssedoublemode>
 	    (plus:<ssedoublemode>
 	      (lshiftrt:<ssedoublemode>
 		(mult:<ssedoublemode>
 		  (sign_extend:<ssedoublemode>
-		    (match_operand:VI2_AVX2 1 "vector_operand" "%0,v"))
+		    (match_operand:VI2_AVX2 1 "vector_operand" "%0,x,v"))
 		  (sign_extend:<ssedoublemode>
-		    (match_operand:VI2_AVX2 2 "vector_operand" "xBm,vm")))
+		    (match_operand:VI2_AVX2 2 "vector_operand" "xBm,xm,vm")))
 		(const_int 14))
 	      (match_operand:VI2_AVX2 3 "const1_operand"))
 	    (const_int 1))))]
@@ -14187,12 +14187,13 @@
    && ix86_binary_operator_ok (MULT, <MODE>mode, operands)"
   "@
    pmulhrsw\t{%2, %0|%0, %2}
+   vpmulhrsw\t{%2, %1, %0<mask_operand4>|%0<mask_operand4>, %1, %2}
    vpmulhrsw\t{%2, %1, %0<mask_operand4>|%0<mask_operand4>, %1, %2}"
-  [(set_attr "isa" "noavx,avx")
+  [(set_attr "isa" "noavx,avx,avx512bw")
    (set_attr "type" "sseimul")
-   (set_attr "prefix_data16" "1,*")
+   (set_attr "prefix_data16" "1,*,*")
    (set_attr "prefix_extra" "1")
-   (set_attr "prefix" "orig,maybe_evex")
+   (set_attr "prefix" "orig,maybe_evex,evex")
    (set_attr "mode" "<sseinsnmode>")])
 
 (define_insn "*ssse3_pmulhrswv4hi3"

gcc/testsuite/ChangeLog

 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
 
+	* gcc.target/i386/avx512vl-vpmulhrsw-3.c: New test.
+	* gcc.target/i386/avx512bw-vpmulhrsw-3.c: New test.
+
 	* gcc.target/i386/avx512bw-vpmaddubsw-3.c: New test.
 
 2016-05-18  Richard Biener  <rguenther@suse.de>

gcc/testsuite/gcc.target/i386/avx512bw-vpmulhrsw-3.c

+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-O2 -mavx512vl -mavx512bw" } */
+
+#include <x86intrin.h>
+
+void
+f1 (__m128i x, __m128i y)
+{
+  register __m128i a __asm ("xmm16"), b __asm ("xmm17");
+  a = x;
+  b = y;
+  asm volatile ("" : "+v" (a), "+v" (b));
+  a = _mm_mulhrs_epi16 (a, b);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler "vpmulhrsw\[^\n\r]*xmm1\[67]\[^\n\r]*xmm1\[67]\[^\n\r]*xmm1\[67]" } } */
+
+void
+f2 (__m256i x, __m256i y)
+{
+  register __m256i a __asm ("xmm16"), b __asm ("xmm17");
+  a = x;
+  b = y;
+  asm volatile ("" : "+v" (a), "+v" (b));
+  a = _mm256_mulhrs_epi16 (a, b);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler "vpmulhrsw\[^\n\r]*ymm1\[67]\[^\n\r]*ymm1\[67]\[^\n\r]*ymm1\[67]" } } */

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

+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-O2 -mavx512vl -mno-avx512bw" } */
+
+#include <x86intrin.h>
+
+void
+f1 (__m128i x, __m128i y)
+{
+  register __m128i a __asm ("xmm16"), b __asm ("xmm17");
+  a = x;
+  b = y;
+  asm volatile ("" : "+v" (a), "+v" (b));
+  a = _mm_mulhrs_epi16 (a, b);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler-not "vpmulhrsw\[^\n\r]*xmm1\[67]" } } */
+
+void
+f2 (__m256i x, __m256i y)
+{
+  register __m256i a __asm ("xmm16"), b __asm ("xmm17");
+  a = x;
+  b = y;
+  asm volatile ("" : "+v" (a), "+v" (b));
+  a = _mm256_mulhrs_epi16 (a, b);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler-not "vpmulhrsw\[^\n\r]*ymm1\[67]" } } */