[gcc r12-3109] Enable avx512 embedde broadcast for vpternlog.

[gcc r12-3109] Enable avx512 embedde broadcast for vpternlog.

[hongtao Liu]

https://gcc.gnu.org/g:8da9b4f73c2c878b48f45fa2ed47d8a9edd31262

commit r12-3109-g8da9b4f73c2c878b48f45fa2ed47d8a9edd31262
Author: liuhongt <hongtao.liu@intel.com>
Date:   Tue Aug 24 18:09:33 2021 +0800

    Enable avx512 embedde broadcast for vpternlog.
    
    gcc/ChangeLog:
    
            PR target/101989
            * config/i386/sse.md (<avx512>_vternlog<mode><sd_maskz_name>):
            Enable avx512 embedded broadcast.
            (*<avx512>_vternlog<mode>_all): Ditto.
            (<avx512>_vternlog<mode>_mask): Ditto.
    
    gcc/testsuite/ChangeLog:
    
            PR target/101989
            * gcc.target/i386/pr101989-broadcast-1.c: New test.

Diff:
---
 gcc/config/i386/sse.md                             |  6 ++---
 .../gcc.target/i386/pr101989-broadcast-1.c         | 31 ++++++++++++++++++++++
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 25ca9a5c29c..03fc2df1fb0 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -10034,7 +10034,7 @@
 	(unspec:VI48_AVX512VL
 	  [(match_operand:VI48_AVX512VL 1 "register_operand" "0")
 	   (match_operand:VI48_AVX512VL 2 "register_operand" "v")
-	   (match_operand:VI48_AVX512VL 3 "nonimmediate_operand" "vm")
+	   (match_operand:VI48_AVX512VL 3 "bcst_vector_operand" "vmBr")
 	   (match_operand:SI 4 "const_0_to_255_operand")]
 	  UNSPEC_VTERNLOG))]
   "TARGET_AVX512F"
@@ -10048,7 +10048,7 @@
 	(unspec:V
 	  [(match_operand:V 1 "register_operand" "0")
 	   (match_operand:V 2 "register_operand" "v")
-	   (match_operand:V 3 "nonimmediate_operand" "vm")
+	   (match_operand:V 3 "bcst_vector_operand" "vmBr")
 	   (match_operand:SI 4 "const_0_to_255_operand")]
 	  UNSPEC_VTERNLOG))]
   "TARGET_AVX512F"
@@ -10281,7 +10281,7 @@
 	  (unspec:VI48_AVX512VL
 	    [(match_operand:VI48_AVX512VL 1 "register_operand" "0")
 	     (match_operand:VI48_AVX512VL 2 "register_operand" "v")
-	     (match_operand:VI48_AVX512VL 3 "nonimmediate_operand" "vm")
+	     (match_operand:VI48_AVX512VL 3 "bcst_vector_operand" "vmBr")
 	     (match_operand:SI 4 "const_0_to_255_operand")]
 	    UNSPEC_VTERNLOG)
 	  (match_dup 1)
diff --git a/gcc/testsuite/gcc.target/i386/pr101989-broadcast-1.c b/gcc/testsuite/gcc.target/i386/pr101989-broadcast-1.c
new file mode 100644
index 00000000000..d03d192915f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr101989-broadcast-1.c
@@ -0,0 +1,31 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx512vl" } */
+/* { dg-final { scan-assembler-times "vpternlog" 4 } } */
+/* { dg-final { scan-assembler-times "\\\{1to4\\\}" 4 } } */
+#include<immintrin.h>
+extern long long C;
+__m256d
+copysign2_pd(__m256d from, __m256d to) {
+  __m256i a = _mm256_castpd_si256(from);
+  __m256d avx_signbit = _mm256_castsi256_pd(_mm256_slli_epi64(_mm256_cmpeq_epi64(a, a), 63));
+  /* (avx_signbit & from) | (~avx_signbit & to)  */
+  return _mm256_or_pd(_mm256_and_pd(avx_signbit, from), _mm256_andnot_pd(avx_signbit, to));
+}
+
+__m256i
+mask_pternlog (__m256i A, __m256i B, __mmask8 U)
+{
+  return _mm256_mask_ternarylogic_epi64 (A, U, B, _mm256_set1_epi64x (C) ,202);
+}
+
+__m256i
+maskz_pternlog (__m256i A, __m256i B, __mmask8 U)
+{
+  return _mm256_maskz_ternarylogic_epi64 (U, A, B, _mm256_set1_epi64x (C) ,202);
+}
+
+__m256i
+none_pternlog (__m256i A, __m256i B)
+{
+  return _mm256_ternarylogic_epi64 (A, B, _mm256_set1_epi64x (C) ,202);
+}