sse.md (<ssse3_avx2>_palignr<mode>): Use constraint x instead of v in second alternat...

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

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

From-SVN: r236368

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1db6f919e9cce01e43cd5dcdd89e31c8a6d49fff..531ad4d6df15fbed9f60c76464e3f734d84320ba 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
 
+       * config/i386/sse.md (<ssse3_avx2>_palignr<mode>): Use
+       constraint x instead of v in second alternative, add avx512bw
+       alternative.
+
        * config/i386/sse.md (<ssse3_avx2>_pshufb<mode>3<mask_name>): Use
        constraint x instead of v in second alternative, add avx512bw
        alternative.

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 63ecf861d5d13caf8495ba40b181bbd48400c469..27796f4a62a4dfaa501f58d9cbbc6026df053af2 100644 (file)
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -14301,11 +14301,11 @@
    (set_attr "mode" "<sseinsnmode>")])
 
 (define_insn "<ssse3_avx2>_palignr<mode>"
-  [(set (match_operand:SSESCALARMODE 0 "register_operand" "=x,v")
+  [(set (match_operand:SSESCALARMODE 0 "register_operand" "=x,x,v")
        (unspec:SSESCALARMODE
-         [(match_operand:SSESCALARMODE 1 "register_operand" "0,v")
-          (match_operand:SSESCALARMODE 2 "vector_operand" "xBm,vm")
-          (match_operand:SI 3 "const_0_to_255_mul_8_operand" "n,n")]
+         [(match_operand:SSESCALARMODE 1 "register_operand" "0,x,v")
+          (match_operand:SSESCALARMODE 2 "vector_operand" "xBm,xm,vm")
+          (match_operand:SI 3 "const_0_to_255_mul_8_operand" "n,n,n")]
          UNSPEC_PALIGNR))]
   "TARGET_SSSE3"
 {
@@ -14316,18 +14316,19 @@
     case 0:
       return "palignr\t{%3, %2, %0|%0, %2, %3}";
     case 1:
+    case 2:
       return "vpalignr\t{%3, %2, %1, %0|%0, %1, %2, %3}";
     default:
       gcc_unreachable ();
     }
 }
-  [(set_attr "isa" "noavx,avx")
+  [(set_attr "isa" "noavx,avx,avx512bw")
    (set_attr "type" "sseishft")
    (set_attr "atom_unit" "sishuf")
-   (set_attr "prefix_data16" "1,*")
+   (set_attr "prefix_data16" "1,*,*")
    (set_attr "prefix_extra" "1")
    (set_attr "length_immediate" "1")
-   (set_attr "prefix" "orig,vex")
+   (set_attr "prefix" "orig,vex,evex")
    (set_attr "mode" "<sseinsnmode>")])
 
 (define_insn "ssse3_palignrdi"

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b528d8f4776969e07d2464549d2ea93475496763..91c7ebcda1b2c33482203a3cab4d2643dde70b9e 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
 2016-05-18  Jakub Jelinek  <jakub@redhat.com>
 
+       * gcc.target/i386/avx512vl-vpalignr-3.c: New test.
+       * gcc.target/i386/avx512bw-vpalignr-3.c: New test.
+
        * gcc.target/i386/avx512vl-vpshufb-3.c: New test.
        * gcc.target/i386/avx512bw-vpshufb-3.c: New test.
 

diff --git a/gcc/testsuite/gcc.target/i386/avx512bw-vpalignr-3.c b/gcc/testsuite/gcc.target/i386/avx512bw-vpalignr-3.c
new file mode 100644 (file)
index 0000000..aacd425
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512bw-vpalignr-3.c
@@ -0,0 +1,30 @@
+/* { 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_alignr_epi8 (a, b, 3);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler "vpalignr\[^\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_alignr_epi8 (a, b, 3);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler "vpalignr\[^\n\r]*ymm1\[67]\[^\n\r]*ymm1\[67]\[^\n\r]*ymm1\[67]" } } */

diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-vpalignr-3.c b/gcc/testsuite/gcc.target/i386/avx512vl-vpalignr-3.c
new file mode 100644 (file)
index 0000000..7066d2a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512vl-vpalignr-3.c
@@ -0,0 +1,30 @@
+/* { 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_alignr_epi8 (a, b, 3);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler-not "vpalignr\[^\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_alignr_epi8 (a, b, 3);
+  asm volatile ("" : "+v" (a));
+}
+
+/* { dg-final { scan-assembler-not "vpalignr\[^\n\r]*ymm1\[67]" } } */