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[PATCH] i386: Enable AVX512 memory broadcast for FMA

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Uros Bizjak <ubizjak at gmail dot com>
Date: Thu, 18 Oct 2018 02:07:12 -0700
Subject: [PATCH] i386: Enable AVX512 memory broadcast for FMA
Many AVX512 vector operations can broadcast from a scalar memory source.
This patch enables memory broadcast for FMA operations.

gcc/

	PR target/72782
	* config/i386/sse.md (VF_AVX512): New.
	(avx512bcst): Likewise.
	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1):
	Likewise.
	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_2):
	Likewise.
	(*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_3):
	Likewise.

gcc/testsuite/

	PR target/72782
	* gcc.target/i386/avx512-fma-1.h: New file.
	* gcc.target/i386/avx512-fma-2.h: Likewise.
	* gcc.target/i386/avx512-fma-3.h: Likewise.
	* gcc.target/i386/avx512-fma-4.h: Likewise.
	* gcc.target/i386/avx512-fma-5.h: Likewise.
	* gcc.target/i386/avx512-fma-6.h: Likewise.
	* gcc.target/i386/avx512-fma-7.h: Likewise.
	* gcc.target/i386/avx512f-fmadd-df-zmm-1.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-1.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-2.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-3.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-4.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-5.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-6.c: Likewise.
	* gcc.target/i386/avx512f-fmadd-sf-zmm-7.c: Likewise.
	* gcc.target/i386/avx512vl-fmadd-sf-xmm-1.c: Likewise.
	* gcc.target/i386/avx512vl-fmadd-sf-ymm-1.c: Likewise.
---
 gcc/config/i386/sse.md                        | 50 +++++++++++++++++++
 gcc/testsuite/gcc.target/i386/avx512-fma-1.h  | 12 +++++
 gcc/testsuite/gcc.target/i386/avx512-fma-2.h  | 13 +++++
 gcc/testsuite/gcc.target/i386/avx512-fma-3.h  | 13 +++++
 gcc/testsuite/gcc.target/i386/avx512-fma-4.h  | 13 +++++
 gcc/testsuite/gcc.target/i386/avx512-fma-5.h  | 13 +++++
 gcc/testsuite/gcc.target/i386/avx512-fma-6.h  | 13 +++++
 gcc/testsuite/gcc.target/i386/avx512-fma-7.h  | 13 +++++
 .../gcc.target/i386/avx512f-fmadd-df-zmm-1.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-1.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-2.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-3.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-4.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-5.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-6.c  | 12 +++++
 .../gcc.target/i386/avx512f-fmadd-sf-zmm-7.c  | 11 ++++
 .../gcc.target/i386/avx512vl-fmadd-sf-xmm-1.c | 12 +++++
 .../gcc.target/i386/avx512vl-fmadd-sf-ymm-1.c | 12 +++++
 18 files changed, 259 insertions(+)
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-1.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-2.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-3.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-4.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-5.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-6.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512-fma-7.h
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-df-zmm-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-2.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-3.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-4.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-5.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-6.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-7.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-xmm-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-ymm-1.c

diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 13dc7370fd3..594975a8b80 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -654,6 +654,16 @@
    (V2DI "TARGET_AVX512VL") (V2DF "TARGET_AVX512VL")])
 (define_mode_iterator VI48F_256 [V8SI V8SF V4DI V4DF])
 
+(define_mode_iterator VF_AVX512
+  [(V4SF "TARGET_AVX512VL") (V2DF "TARGET_AVX512VL")
+   (V8SF "TARGET_AVX512VL") (V4DF "TARGET_AVX512VL")
+   (V16SF "TARGET_AVX512F") (V8DF "TARGET_AVX512F")])
+
+(define_mode_attr avx512bcst
+  [(V4SF "%{1to4%}") (V2DF "%{1to2%}")
+   (V8SF "%{1to8%}") (V4DF "%{1to4%}")
+   (V16SF "%{1to16%}") (V8DF "%{1to8%}")])
+
 ;; Mapping from float mode to required SSE level
 (define_mode_attr sse
   [(SF "sse") (DF "sse2")
@@ -3740,6 +3750,46 @@
   [(set_attr "type" "ssemuladd")
    (set_attr "mode" "<MODE>")])
 
+(define_insn "*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1"
+  [(set (match_operand:VF_AVX512 0 "register_operand" "=v,v")
+	(fma:VF_AVX512
+	  (match_operand:VF_AVX512 1 "nonimmediate_operand" "0,v")
+	  (match_operand:VF_AVX512 2 "nonimmediate_operand" "v,0")
+	  (vec_duplicate:VF_AVX512
+	    (match_operand:<ssescalarmode> 3 "nonimmediate_operand" "m,m"))))]
+  "TARGET_AVX512F && <sd_mask_mode512bit_condition>"
+  "vfmadd213<ssemodesuffix>\t{%3<avx512bcst>, %2, %0<sd_mask_op4>|%0<sd_mask_op4>, %2, %3<avx512bcst>}"
+  [(set_attr "type" "ssemuladd")
+   (set_attr "mode" "<MODE>")])
+
+(define_insn "*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_2"
+  [(set (match_operand:VF_AVX512 0 "register_operand" "=v,v")
+	(fma:VF_AVX512
+	  (vec_duplicate:VF_AVX512
+	    (match_operand:<ssescalarmode> 1 "nonimmediate_operand" "m,m"))
+	  (match_operand:VF_AVX512 2 "nonimmediate_operand" "0,v")
+	  (match_operand:VF_AVX512 3 "nonimmediate_operand" "v,0")))]
+  "TARGET_AVX512F && <sd_mask_mode512bit_condition>"
+  "@
+   vfmadd132<ssemodesuffix>\t{%1<avx512bcst>, %3, %0<sd_mask_op4>|%0<sd_mask_op4>, %3, %1<avx512bcst>}
+   vfmadd231<ssemodesuffix>\t{%1<avx512bcst>, %2, %0<sd_mask_op4>|%0<sd_mask_op4>, %2, %1<avx512bcst>}"
+  [(set_attr "type" "ssemuladd")
+   (set_attr "mode" "<MODE>")])
+
+(define_insn "*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_3"
+  [(set (match_operand:VF_AVX512 0 "register_operand" "=v,v")
+	(fma:VF_AVX512
+	  (match_operand:VF_AVX512 1 "nonimmediate_operand" "0,v")
+	  (vec_duplicate:VF_AVX512
+	    (match_operand:<ssescalarmode> 2 "nonimmediate_operand" "m,m"))
+	  (match_operand:VF_AVX512 3 "nonimmediate_operand" "v,0")))]
+  "TARGET_AVX512F && <sd_mask_mode512bit_condition>"
+  "@
+   vfmadd132<ssemodesuffix>\t{%2<avx512bcst>, %3, %0<sd_mask_op4>|%0<sd_mask_op4>, %3, %2<avx512bcst>}
+   vfmadd231<ssemodesuffix>\t{%2<avx512bcst>, %1, %0<sd_mask_op4>|%0<sd_mask_op4>, %1, %2<avx512bcst>}"
+  [(set_attr "type" "ssemuladd")
+   (set_attr "mode" "<MODE>")])
+
 (define_insn "<avx512>_fmadd_<mode>_mask<round_name>"
   [(set (match_operand:VF_AVX512VL 0 "register_operand" "=v,v")
 	(vec_merge:VF_AVX512VL
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-1.h b/gcc/testsuite/gcc.target/i386/avx512-fma-1.h
new file mode 100644
index 00000000000..a8dc0b5d7a9
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-1.h
@@ -0,0 +1,12 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y, SCALAR *f)
+{
+  return OP (vec, op, suffix) (x, y, DUP (vec, suffix, *f));
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-2.h b/gcc/testsuite/gcc.target/i386/avx512-fma-2.h
new file mode 100644
index 00000000000..a3a0e9c0dd3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-2.h
@@ -0,0 +1,13 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define TYPE(vec)		PASTER2 (__m, vec)
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y, SCALAR *f)
+{
+  return OP (vec, op, suffix) (y, x, DUP (vec, suffix, *f));
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-3.h b/gcc/testsuite/gcc.target/i386/avx512-fma-3.h
new file mode 100644
index 00000000000..8c38d178a25
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-3.h
@@ -0,0 +1,13 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define TYPE(vec)		PASTER2 (__m, vec)
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y, SCALAR *f)
+{
+  return OP (vec, op, suffix) (x, DUP (vec, suffix, *f), y);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-4.h b/gcc/testsuite/gcc.target/i386/avx512-fma-4.h
new file mode 100644
index 00000000000..fec01c292a3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-4.h
@@ -0,0 +1,13 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define TYPE(vec)		PASTER2 (__m, vec)
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y, SCALAR *f)
+{
+  return OP (vec, op, suffix) (y, DUP (vec, suffix, *f), x);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-5.h b/gcc/testsuite/gcc.target/i386/avx512-fma-5.h
new file mode 100644
index 00000000000..386960ae5e0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-5.h
@@ -0,0 +1,13 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define TYPE(vec)		PASTER2 (__m, vec)
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y, SCALAR *f)
+{
+  return OP (vec, op, suffix) (DUP (vec, suffix, *f), x, y);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-6.h b/gcc/testsuite/gcc.target/i386/avx512-fma-6.h
new file mode 100644
index 00000000000..de209016ee7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-6.h
@@ -0,0 +1,13 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define TYPE(vec)		PASTER2 (__m, vec)
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y, SCALAR *f)
+{
+  return OP (vec, op, suffix) (DUP (vec, suffix, *f), y, x);
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512-fma-7.h b/gcc/testsuite/gcc.target/i386/avx512-fma-7.h
new file mode 100644
index 00000000000..95dc6fb6218
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512-fma-7.h
@@ -0,0 +1,13 @@
+#include <immintrin.h>
+
+#define PASTER2(x,y)		x##y
+#define PASTER3(x,y,z)		_mm##x##_##y##_##z
+#define TYPE(vec)		PASTER2 (__m, vec)
+#define OP(vec, op, suffix)	PASTER3 (vec, op, suffix)
+#define DUP(vec, suffix, val)	PASTER3 (vec, set1, suffix) (val)
+
+type
+foo (type x, type y)
+{
+  return OP (vec, op, suffix) (x, y, DUP (vec, suffix, 2.f));
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-df-zmm-1.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-df-zmm-1.c
new file mode 100644
index 00000000000..6d6e522d521
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-df-zmm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...pd\[ \\t\]+\\(%(?: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 fmadd
+#define suffix pd
+#define SCALAR double
+
+#include "avx512-fma-1.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-1.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-1.c
new file mode 100644
index 00000000000..98333103d1d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-1.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-2.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-2.c
new file mode 100644
index 00000000000..34e5620102b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-2.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-2.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-3.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-3.c
new file mode 100644
index 00000000000..83456259f6e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-3.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-3.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-4.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-4.c
new file mode 100644
index 00000000000..c028c8e3860
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-4.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-4.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-5.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-5.c
new file mode 100644
index 00000000000..3eac8e886b6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-5.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-5.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-6.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-6.c
new file mode 100644
index 00000000000..990cdc64f1b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-6.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-6.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-7.c b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-7.c
new file mode 100644
index 00000000000..0c23058825b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512f-fmadd-sf-zmm-7.c
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-mavx512f -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\[^\n\r\]+\\\{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 fmadd
+#define suffix ps
+
+#include "avx512-fma-7.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-xmm-1.c b/gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-xmm-1.c
new file mode 100644
index 00000000000..e03a93552fc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-xmm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mfma -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-1.h"
diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-ymm-1.c b/gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-ymm-1.c
new file mode 100644
index 00000000000..225766d722a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx512vl-fmadd-sf-ymm-1.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-options "-mfma -mavx512vl -O2" } */
+/* { dg-final { scan-assembler-times "vfmadd...ps\[ \\t\]+\\(%(?: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 fmadd
+#define suffix ps
+#define SCALAR float
+
+#include "avx512-fma-1.h"
-- 
2.17.2
Follow-Ups:
- Re: [PATCH] i386: Enable AVX512 memory broadcast for FMA
  - From: Uros Bizjak
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