Many AVX512 vector operations can broadcast from a scalar memory source.
This patch enables memory broadcast for FP div operations.
gcc/
PR target/72782
* config/i386/sse.md (*<avx512>_div<mode>3<mask_name>_bcst): New.
gcc/testsuite/
PR target/72782
* gcc.target/i386/avx512f-div-df-zmm-1.c: New test.
* gcc.target/i386/avx512f-div-sf-zmm-1.c: Likewise.
* gcc.target/i386/avx512f-div-sf-zmm-2.c: Likewise.
* gcc.target/i386/avx512f-div-sf-zmm-3.c: Likewise.
* gcc.target/i386/avx512f-div-sf-zmm-4.c: Likewise.
* gcc.target/i386/avx512f-div-sf-zmm-5.c: Likewise.
* gcc.target/i386/avx512vl-div-sf-xmm-1.c: Likewise.
* gcc.target/i386/avx512vl-div-sf-ymm-1.c: Likewise.
---
gcc/config/i386/sse.md | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/avx512f-div-df-zmm-1.c | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-1.c | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-2.c | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-3.c | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-4.c | 12 ++++++++++++
gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-5.c | 12 ++++++++++++
.../gcc.target/i386/avx512vl-div-sf-xmm-1.c | 12 ++++++++++++
.../gcc.target/i386/avx512vl-div-sf-ymm-1.c | 12 ++++++++++++
9 files changed, 108 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-div-df-zmm-1.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-1.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-2.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-3.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-4.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-5.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512vl-div-sf-xmm-1.c
create mode 100644 gcc/testsuite/gcc.target/i386/avx512vl-div-sf-ymm-1.c
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index a73659e6bd2..635a6902d33 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -1836,6 +1836,18 @@
(set_attr "prefix" "<mask_prefix3>")
(set_attr "mode" "<MODE>")])
+(define_insn "*<avx512>_div<mode>3<mask_name>_bcst"
+ [(set (match_operand:VF_AVX512 0 "register_operand" "=v")
+ (div:VF_AVX512
+ (match_operand:VF_AVX512 1 "register_operand" "v")
+ (vec_duplicate:VF_AVX512
+ (match_operand:<ssescalarmode> 2 "memory_operand" "m"))))]
+ "TARGET_AVX512F && <mask_mode512bit_condition>"
+ "vdiv<ssemodesuffix>\t{%2<avx512bcst>, %1,
%0<mask_operand3>|%0<mask_operand3>, %1, %2<<avx512bcst>>}"
+ [(set_attr "prefix" "evex")
+ (set_attr "type" "ssediv")
+ (set_attr "mode" "<MODE>")])
+
(define_insn "<sse>_rcp<mode>2"
[(set (match_operand:VF1_128_256 0 "register_operand" "=x")
(unspec:VF1_128_256
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-div-df-zmm-1.c
b/gcc/testsuite/gcc.target/i386/avx512f-div-df-zmm-1.c
new file mode 100644
index 00000000000..7c40112bbcc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-div-df-zmm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vdivpd\[
\\t\]+\\(%(?:eax|rdi|edi)\\)\\\{1to\[1-8\]+\\\}, %zmm\[0-9\]+, %zmm0" 1 } } */
+/* { dg-final { scan-assembler-not "vbroadcastsd\[^\n\]*%zmm\[0-9\]+" } } */
+
+#define type __m512d
+#define vec 512
+#define op div
+#define suffix pd
+#define SCALAR double
+
+#include "avx512-binop-1.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-1.c
b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-1.c
new file mode 100644
index 00000000000..b131929eeba
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vdivps\[
\\t\]+\\(%(?:eax|rdi|edi)\\)\\\{1to\[1-8\]+\\\}, %zmm\[0-9\]+, %zmm0" 1 } } */
+/* { dg-final { scan-assembler-not "vbroadcastss\[^\n\]*%zmm\[0-9\]+" } } */
+
+#define type __m512
+#define vec 512
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-1.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-2.c
b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-2.c
new file mode 100644
index 00000000000..373e3c63c03
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-2.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\]*%zmm\[0-9\]+" 1 } }
*/
+/* { dg-final { scan-assembler-times "vdivps\[^\n\]*%zmm\[0-9\]+" 1 } } */
+
+#define type __m512
+#define vec 512
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-2.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-3.c
b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-3.c
new file mode 100644
index 00000000000..84e78198175
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-3.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\]*%zmm\[0-9\]+" 1 } }
*/
+/* { dg-final { scan-assembler-times "vdivps\[^\n\]*%zmm\[0-9\]+" 1 } } */
+
+#define type __m512
+#define vec 512
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-3.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-4.c
b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-4.c
new file mode 100644
index 00000000000..44a34566a93
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-4.c
@@ -0,0 +1,12 @@
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\]*%zmm\[0-9\]+" 1 } }
*/
+/* { dg-final { scan-assembler-times "vdivps\[ \\t\]+%zmm\[0-9\]+,
%zmm\[0-9\]+, %zmm0" 1 } } */
+
+#define type __m512
+#define vec 512
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-4.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-5.c
b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-5.c
new file mode 100644
index 00000000000..81cf6b293d2
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-5.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vbroadcastss\[^\n\]*%zmm\[0-9\]+" 1 } }
*/
+/* { dg-final { scan-assembler-times "vdivps\[^\n\]*%zmm\[0-9\]+" 1 } } */
+
+#define type __m512
+#define vec 512
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-6.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-xmm-1.c
b/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-xmm-1.c
new file mode 100644
index 00000000000..1f4a613daef
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-xmm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mfma -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vdivps\[
\\t\]+\\(%(?:eax|rdi|edi)\\)\\\{1to\[1-8\]+\\\}, %xmm\[0-9\]+, %xmm0" 1 } } */
+/* { dg-final { scan-assembler-not "vbroadcastss\[^\n\]*%xmm\[0-9\]+" } } */
+
+#define type __m128
+#define vec
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-1.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-ymm-1.c
b/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-ymm-1.c
new file mode 100644
index 00000000000..8837096711b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-ymm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mfma -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vdivps\[
\\t\]+\\(%(?:eax|rdi|edi)\\)\\\{1to\[1-8\]+\\\}, %ymm\[0-9\]+, %ymm0" 1 } } */
+/* { dg-final { scan-assembler-not "vbroadcastss\[^\n\]*%ymm\[0-9\]+" } } */
+
+#define type __m256
+#define vec 256
+#define op div
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-binop-1.h"
--
2.17.2
