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* [gcc r13-4403] amdgcn: Support AMD-specific 'isa' traits in OpenMP context selectors
@ 2022-11-30 9:52 Paul-Antoine Arras
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From: Paul-Antoine Arras @ 2022-11-30 9:52 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:1fd508744eccda9ad9c6d6fcce5b2ea9c568818d
commit r13-4403-g1fd508744eccda9ad9c6d6fcce5b2ea9c568818d
Author: Paul-Antoine Arras <pa@codesourcery.com>
Date: Tue Nov 29 16:22:07 2022 +0100
amdgcn: Support AMD-specific 'isa' traits in OpenMP context selectors
Add support for gfx803 as an alias for fiji.
Add test cases for all supported 'isa' values.
gcc/ChangeLog:
* config/gcn/gcn.cc (gcn_omp_device_kind_arch_isa): Add gfx803.
* config/gcn/t-omp-device: Add gfx803.
libgomp/ChangeLog:
* testsuite/libgomp.c/declare-variant-4-fiji.c: New test.
* testsuite/libgomp.c/declare-variant-4-gfx803.c: New test.
* testsuite/libgomp.c/declare-variant-4-gfx900.c: New test.
* testsuite/libgomp.c/declare-variant-4-gfx906.c: New test.
* testsuite/libgomp.c/declare-variant-4-gfx908.c: New test.
* testsuite/libgomp.c/declare-variant-4-gfx90a.c: New test.
* testsuite/libgomp.c/declare-variant-4.h: New header file.
Diff:
---
gcc/config/gcn/gcn.cc | 2 +-
gcc/config/gcn/t-omp-device | 2 +-
.../testsuite/libgomp.c/declare-variant-4-fiji.c | 8 +++
.../testsuite/libgomp.c/declare-variant-4-gfx803.c | 7 +++
.../testsuite/libgomp.c/declare-variant-4-gfx900.c | 7 +++
.../testsuite/libgomp.c/declare-variant-4-gfx906.c | 7 +++
.../testsuite/libgomp.c/declare-variant-4-gfx908.c | 7 +++
.../testsuite/libgomp.c/declare-variant-4-gfx90a.c | 7 +++
libgomp/testsuite/libgomp.c/declare-variant-4.h | 63 ++++++++++++++++++++++
9 files changed, 108 insertions(+), 2 deletions(-)
diff --git a/gcc/config/gcn/gcn.cc b/gcc/config/gcn/gcn.cc
index c74fa007a21..39e93aeaeef 100644
--- a/gcc/config/gcn/gcn.cc
+++ b/gcc/config/gcn/gcn.cc
@@ -2985,7 +2985,7 @@ gcn_omp_device_kind_arch_isa (enum omp_device_kind_arch_isa trait,
case omp_device_arch:
return strcmp (name, "amdgcn") == 0 || strcmp (name, "gcn") == 0;
case omp_device_isa:
- if (strcmp (name, "fiji") == 0)
+ if (strcmp (name, "fiji") == 0 || strcmp (name, "gfx803") == 0)
return gcn_arch == PROCESSOR_FIJI;
if (strcmp (name, "gfx900") == 0)
return gcn_arch == PROCESSOR_VEGA10;
diff --git a/gcc/config/gcn/t-omp-device b/gcc/config/gcn/t-omp-device
index 27d36db894b..538624f7ec7 100644
--- a/gcc/config/gcn/t-omp-device
+++ b/gcc/config/gcn/t-omp-device
@@ -1,4 +1,4 @@
omp-device-properties-gcn: $(srcdir)/config/gcn/gcn.cc
echo kind: gpu > $@
echo arch: amdgcn gcn >> $@
- echo isa: fiji gfx900 gfx906 gfx908 gfx90a >> $@
+ echo isa: fiji gfx803 gfx900 gfx906 gfx908 gfx90a >> $@
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-fiji.c b/libgomp/testsuite/libgomp.c/declare-variant-4-fiji.c
new file mode 100644
index 00000000000..ae2af1cc00c
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-fiji.c
@@ -0,0 +1,8 @@
+/* { dg-do run { target { offload_target_amdgcn } } } */
+/* { dg-skip-if "fiji/gfx803 only" { ! amdgcn-*-* } { "*" } { "-foffload=-march=fiji" } } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#define USE_FIJI_FOR_GFX803
+#include "declare-variant-4.h"
+
+/* { dg-final { scan-offload-tree-dump "= gfx803 \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-gfx803.c b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx803.c
new file mode 100644
index 00000000000..e0437a04d65
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx803.c
@@ -0,0 +1,7 @@
+/* { dg-do run { target { offload_target_amdgcn } } } */
+/* { dg-skip-if "fiji/gfx803 only" { ! amdgcn-*-* } { "*" } { "-foffload=-march=fiji" } } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#include "declare-variant-4.h"
+
+/* { dg-final { scan-offload-tree-dump "= gfx803 \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-gfx900.c b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx900.c
new file mode 100644
index 00000000000..8de03725dec
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx900.c
@@ -0,0 +1,7 @@
+/* { dg-do run { target { offload_target_amdgcn } } } */
+/* { dg-skip-if "gfx900 only" { ! amdgcn-*-* } { "*" } { "-foffload=-march=gfx900" } } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#include "declare-variant-4.h"
+
+/* { dg-final { scan-offload-tree-dump "= gfx900 \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-gfx906.c b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx906.c
new file mode 100644
index 00000000000..be6f193ed3a
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx906.c
@@ -0,0 +1,7 @@
+/* { dg-do run { target { offload_target_amdgcn } } } */
+/* { dg-skip-if "gfx906 only" { ! amdgcn-*-* } { "*" } { "-foffload=-march=gfx906" } } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#include "declare-variant-4.h"
+
+/* { dg-final { scan-offload-tree-dump "= gfx906 \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-gfx908.c b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx908.c
new file mode 100644
index 00000000000..311fad9074d
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx908.c
@@ -0,0 +1,7 @@
+/* { dg-do run { target { offload_target_amdgcn } } } */
+/* { dg-skip-if "gfx908 only" { ! amdgcn-*-* } { "*" } { "-foffload=-march=gfx908" } } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#include "declare-variant-4.h"
+
+/* { dg-final { scan-offload-tree-dump "= gfx908 \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4-gfx90a.c b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx90a.c
new file mode 100644
index 00000000000..96cc14ca0a3
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4-gfx90a.c
@@ -0,0 +1,7 @@
+/* { dg-do run { target { offload_target_amdgcn } } } */
+/* { dg-skip-if "gfx90a only" { ! amdgcn-*-* } { "*" } { "-foffload=-march=gfx90a" } } */
+/* { dg-additional-options "-foffload=-fdump-tree-optimized" } */
+
+#include "declare-variant-4.h"
+
+/* { dg-final { scan-offload-tree-dump "= gfx90a \\(\\);" "optimized" } } */
diff --git a/libgomp/testsuite/libgomp.c/declare-variant-4.h b/libgomp/testsuite/libgomp.c/declare-variant-4.h
new file mode 100644
index 00000000000..2d7c1ef1a5a
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/declare-variant-4.h
@@ -0,0 +1,63 @@
+#pragma omp declare target
+int
+gfx803 (void)
+{
+ return 0x803;
+}
+
+int
+gfx900 (void)
+{
+ return 0x900;
+}
+
+int
+gfx906 (void)
+{
+ return 0x906;
+}
+
+int
+gfx908 (void)
+{
+ return 0x908;
+}
+
+int
+gfx90a (void)
+{
+ return 0x90a;
+}
+
+#ifdef USE_FIJI_FOR_GFX803
+#pragma omp declare variant(gfx803) match(device = {isa("fiji")})
+#else
+#pragma omp declare variant(gfx803) match(device = {isa("gfx803")})
+#endif
+#pragma omp declare variant(gfx900) match(device = {isa("gfx900")})
+#pragma omp declare variant(gfx906) match(device = {isa("gfx906")})
+#pragma omp declare variant(gfx908) match(device = {isa("gfx908")})
+#pragma omp declare variant(gfx90a) match(device = {isa("gfx90a")})
+int
+f (void)
+{
+ return 0;
+}
+
+#pragma omp end declare target
+
+int
+main (void)
+{
+ int v = 0;
+
+#pragma omp target map(from : v)
+ v = f ();
+
+ if (v == 0)
+ __builtin_abort ();
+
+ __builtin_printf ("AMDGCN accelerator: gfx%x\n", v);
+
+ return 0;
+}
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