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* [PATCH] Add AVX10.1 target_clones support
@ 2024-05-29  3:04 Haochen Jiang
  2024-06-03  6:49 ` Hongtao Liu
  0 siblings, 1 reply; 2+ messages in thread
From: Haochen Jiang @ 2024-05-29  3:04 UTC (permalink / raw)
  To: gcc-patches; +Cc: hongtao.liu, ubizjak

Hi all,

Since AVX10 is the first major ISA introduced after AVX-512, we propose
to add target_clones support for it.

Although AVX10.1-256 won't cover 512-bit part of AVX512F, but since
it is only for priority but not for implication, it won't be an issue.

Bootstrapped and regtested on x86_64-pc-linux-gnu. Ok for trunk and backport
to GCC14?

Thx,
hAOCHEN

gcc/ChangeLog:

	* common/config/i386/i386-common.cc: Change Granite Rapids
	series CPU type to P_PROC_AVX10_1_512.
	* common/config/i386/i386-cpuinfo.h (enum feature_priority):
	Revise comment part. Add P_AVX10_1_256, P_AVX10_1_512,
	P_PROC_AVX10_1_512.
	* common/config/i386/i386-isas.h: Link to avx10.1-256, avx10.1-512.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx10_1-25.c: New test.
	* gcc.target/i386/avx10_1-26.c: Ditto.
---
 gcc/common/config/i386/i386-common.cc      | 4 ++--
 gcc/common/config/i386/i386-cpuinfo.h      | 5 ++++-
 gcc/common/config/i386/i386-isas.h         | 4 ++--
 gcc/testsuite/gcc.target/i386/avx10_1-25.c | 9 +++++++++
 gcc/testsuite/gcc.target/i386/avx10_1-26.c | 9 +++++++++
 5 files changed, 26 insertions(+), 5 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/i386/avx10_1-25.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx10_1-26.c

diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc
index 77b154663bc..d578918dfb7 100644
--- a/gcc/common/config/i386/i386-common.cc
+++ b/gcc/common/config/i386/i386-common.cc
@@ -2273,10 +2273,10 @@ const pta processor_alias_table[] =
   {"meteorlake", PROCESSOR_ALDERLAKE, CPU_HASWELL, PTA_ALDERLAKE,
     M_CPU_SUBTYPE (INTEL_COREI7_ALDERLAKE), P_PROC_AVX2},
   {"graniterapids", PROCESSOR_GRANITERAPIDS, CPU_HASWELL, PTA_GRANITERAPIDS,
-    M_CPU_SUBTYPE (INTEL_COREI7_GRANITERAPIDS), P_PROC_AVX512F},
+    M_CPU_SUBTYPE (INTEL_COREI7_GRANITERAPIDS), P_PROC_AVX10_1_512},
   {"graniterapids-d", PROCESSOR_GRANITERAPIDS_D, CPU_HASWELL,
     PTA_GRANITERAPIDS_D, M_CPU_SUBTYPE (INTEL_COREI7_GRANITERAPIDS_D),
-    P_PROC_AVX512F},
+    P_PROC_AVX10_1_512},
   {"arrowlake", PROCESSOR_ARROWLAKE, CPU_HASWELL, PTA_ARROWLAKE,
     M_CPU_SUBTYPE (INTEL_COREI7_ARROWLAKE), P_PROC_AVX2},
   {"arrowlake-s", PROCESSOR_ARROWLAKE_S, CPU_HASWELL, PTA_ARROWLAKE_S,
diff --git a/gcc/common/config/i386/i386-cpuinfo.h b/gcc/common/config/i386/i386-cpuinfo.h
index 73131657eab..be52ad2c60d 100644
--- a/gcc/common/config/i386/i386-cpuinfo.h
+++ b/gcc/common/config/i386/i386-cpuinfo.h
@@ -112,7 +112,7 @@ enum processor_subtypes
 /* Priority of i386 features, greater value is higher priority.   This is
    used to decide the order in which function dispatch must happen.  For
    instance, a version specialized for SSE4.2 should be checked for dispatch
-   before a version for SSE3, as SSE4.2 implies SSE3.  */
+   before a version for SSE3.  */
 enum feature_priority
 {
   P_NONE = 0,
@@ -148,6 +148,9 @@ enum feature_priority
   P_AVX512F,
   P_PROC_AVX512F,
   P_X86_64_V4,
+  P_AVX10_1_256,
+  P_AVX10_1_512,
+  P_PROC_AVX10_1_512,
   P_PROC_DYNAMIC
 };
 
diff --git a/gcc/common/config/i386/i386-isas.h b/gcc/common/config/i386/i386-isas.h
index d6deb9a1522..9c2179a3dd8 100644
--- a/gcc/common/config/i386/i386-isas.h
+++ b/gcc/common/config/i386/i386-isas.h
@@ -194,6 +194,6 @@ ISA_NAMES_TABLE_START
   ISA_NAMES_TABLE_ENTRY("apxf", FEATURE_APX_F, P_NONE, "-mapxf")
   ISA_NAMES_TABLE_ENTRY("usermsr", FEATURE_USER_MSR, P_NONE, "-musermsr")
   ISA_NAMES_TABLE_ENTRY("avx10.1", FEATURE_AVX10_1_256, P_NONE, "-mavx10.1")
-  ISA_NAMES_TABLE_ENTRY("avx10.1-256", FEATURE_AVX10_1_256, P_NONE, "-mavx10.1-256")
-  ISA_NAMES_TABLE_ENTRY("avx10.1-512", FEATURE_AVX10_1_512, P_NONE, "-mavx10.1-512")
+  ISA_NAMES_TABLE_ENTRY("avx10.1-256", FEATURE_AVX10_1_256, P_AVX10_1_256, "-mavx10.1-256")
+  ISA_NAMES_TABLE_ENTRY("avx10.1-512", FEATURE_AVX10_1_512, P_AVX10_1_512, "-mavx10.1-512")
 ISA_NAMES_TABLE_END
diff --git a/gcc/testsuite/gcc.target/i386/avx10_1-25.c b/gcc/testsuite/gcc.target/i386/avx10_1-25.c
new file mode 100644
index 00000000000..73f1b724560
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx10_1-25.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx" } */
+
+#include <immintrin.h>
+__attribute__((target_clones ("default","avx10.1-256")))
+__m256d foo(__m256d a, __m256d b)
+{
+  return a + b;
+}
diff --git a/gcc/testsuite/gcc.target/i386/avx10_1-26.c b/gcc/testsuite/gcc.target/i386/avx10_1-26.c
new file mode 100644
index 00000000000..514ab57a406
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx10_1-26.c
@@ -0,0 +1,9 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx512f" } */
+
+#include <immintrin.h>
+__attribute__((target_clones ("default","avx10.1-512")))
+__m512d foo(__m512d a, __m512d b)
+{
+  return a + b;
+}
-- 
2.31.1


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