[clang] b5b251a - [OpenMP] Add support for Solaris/x86_64 (#70593)
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Thu Nov 2 20:29:07 PDT 2023
Author: Brad Smith
Date: 2023-11-02T23:29:02-04:00
New Revision: b5b251aac80fbcfa224b0a83efa0a12bd747fafe
URL: https://github.com/llvm/llvm-project/commit/b5b251aac80fbcfa224b0a83efa0a12bd747fafe
DIFF: https://github.com/llvm/llvm-project/commit/b5b251aac80fbcfa224b0a83efa0a12bd747fafe.diff
LOG: [OpenMP] Add support for Solaris/x86_64 (#70593)
Tested on `amd64-pc-solaris2.11`.
Added:
Modified:
clang/lib/Driver/ToolChains/Solaris.cpp
clang/test/Driver/fopenmp.c
openmp/runtime/cmake/LibompHandleFlags.cmake
openmp/runtime/src/kmp.h
openmp/runtime/src/kmp_ftn_entry.h
openmp/runtime/src/kmp_platform.h
openmp/runtime/src/kmp_runtime.cpp
openmp/runtime/src/z_Linux_util.cpp
Removed:
################################################################################
diff --git a/clang/lib/Driver/ToolChains/Solaris.cpp b/clang/lib/Driver/ToolChains/Solaris.cpp
index ee2504ec1802648..5421c029562abca 100644
--- a/clang/lib/Driver/ToolChains/Solaris.cpp
+++ b/clang/lib/Driver/ToolChains/Solaris.cpp
@@ -215,6 +215,11 @@ void solaris::Linker::ConstructJob(Compilation &C, const JobAction &JA,
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
options::OPT_r)) {
+ // Use the static OpenMP runtime with -static-openmp
+ bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) &&
+ !Args.hasArg(options::OPT_static);
+ addOpenMPRuntime(CmdArgs, getToolChain(), Args, StaticOpenMP);
+
if (D.CCCIsCXX()) {
if (getToolChain().ShouldLinkCXXStdlib(Args))
getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
diff --git a/clang/test/Driver/fopenmp.c b/clang/test/Driver/fopenmp.c
index cf04340ebc06ac6..291946923b3ea3d 100644
--- a/clang/test/Driver/fopenmp.c
+++ b/clang/test/Driver/fopenmp.c
@@ -16,6 +16,9 @@
// RUN: %clang -target x86_64-dragonfly -fopenmp=libomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-OPENMP
// RUN: %clang -target x86_64-dragonfly -fopenmp=libgomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-NO-OPENMP
// RUN: %clang -target x86_64-dragonfly -fopenmp=libiomp5 -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-OPENMP
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-OPENMP
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libgomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-NO-OPENMP
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libiomp5 -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-OPENMP
// RUN: %clang -target x86_64-windows-gnu -fopenmp=libomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-OPENMP
// RUN: %clang -target x86_64-windows-gnu -fopenmp=libgomp -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-NO-OPENMP
// RUN: %clang -target x86_64-windows-gnu -fopenmp=libiomp5 -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CC1-OPENMP
@@ -106,6 +109,19 @@
// RUN: %clang -nostdlib -target x86_64-dragonfly -fopenmp=libgomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-GOMP
// RUN: %clang -nostdlib -target x86_64-dragonfly -fopenmp=libiomp5 %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-IOMP5
//
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-OMP
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libgomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-GOMP --check-prefix=CHECK-LD-GOMP-NO-RT
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libiomp5 %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-IOMP5
+//
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libomp -static-openmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-STATIC-OMP
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libgomp -static-openmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-STATIC-GOMP --check-prefix=CHECK-LD-STATIC-GOMP-NO-RT
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libiomp5 -static-openmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-STATIC-IOMP5
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp=libiomp5 -static -static-openmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-STATIC-IOMP5-NO-BDYNAMIC
+//
+// RUN: %clang -nostdlib -target i386-pc-solaris2.11 -fopenmp=libomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-OMP
+// RUN: %clang -nostdlib -target i386-pc-solaris2.11 -fopenmp=libgomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-GOMP
+// RUN: %clang -nostdlib -target i386-pc-solaris2.11 -fopenmp=libiomp5 %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-NO-IOMP5
+//
// RUN: %clang -target x86_64-windows-gnu -fopenmp=libomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-OMP
// RUN: %clang -target x86_64-windows-gnu -fopenmp=libgomp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-GOMP --check-prefix=CHECK-LD-GOMP-NO-RT
// RUN: %clang -target x86_64-windows-gnu -fopenmp=libiomp5 %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-IOMP5MD
@@ -152,7 +168,7 @@
// CHECK-LD-STATIC-IOMP5: "-Bstatic" "-liomp5" "-Bdynamic"
//
// CHECK-LD-STATIC-IOMP5-NO-BDYNAMIC: "{{.*}}ld{{(.exe)?}}"
-// For x86 Gnu, the driver passes -static, while FreeBSD, NetBSD, OpenBSD and DragonFly pass -Bstatic
+// For x86 Gnu, the driver passes -static, while FreeBSD, NetBSD, OpenBSD, DragonFly and Solaris pass -Bstatic
// CHECK-LD-STATIC-IOMP5-NO-BDYNAMIC: "-{{B?}}static" {{.*}} "-liomp5"
// CHECK-LD-STATIC-IOMP5-NO-BDYNAMIC-NOT: "-Bdynamic"
//
@@ -174,6 +190,7 @@
// RUN: %clang -target x86_64-netbsd -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANY
// RUN: %clang -target x86_64-openbsd -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANY
// RUN: %clang -target x86_64-dragonfly -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANY
+// RUN: %clang -target i386-pc-solaris2.11 -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANY
// RUN: %clang -target x86_64-windows-gnu -fopenmp %s -o %t -### 2>&1 | FileCheck %s --check-prefix=CHECK-LD-ANYMD
//
// CHECK-LD-ANY: "{{.*}}ld{{(.exe)?}}"
diff --git a/openmp/runtime/cmake/LibompHandleFlags.cmake b/openmp/runtime/cmake/LibompHandleFlags.cmake
index bb53445be9a3bbb..ece3db18b1c1ca4 100644
--- a/openmp/runtime/cmake/LibompHandleFlags.cmake
+++ b/openmp/runtime/cmake/LibompHandleFlags.cmake
@@ -144,7 +144,7 @@ function(libomp_get_libflags libflags)
libomp_append(libflags_local "-Wl,--no-as-needed" LIBOMP_HAVE_AS_NEEDED_FLAG)
libomp_append(libflags_local "-lm")
libomp_append(libflags_local "-Wl,--as-needed" LIBOMP_HAVE_AS_NEEDED_FLAG)
- elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux|NetBSD")
+ elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux|NetBSD|Solaris")
libomp_append(libflags_local -lm)
endif()
set(libflags_local ${libflags_local} ${LIBOMP_LIBFLAGS})
diff --git a/openmp/runtime/src/kmp.h b/openmp/runtime/src/kmp.h
index 197f85faccec31b..dc759ab1c527703 100644
--- a/openmp/runtime/src/kmp.h
+++ b/openmp/runtime/src/kmp.h
@@ -1327,12 +1327,16 @@ extern kmp_uint64 __kmp_now_nsec();
/* TODO: tune for KMP_OS_NETBSD */
#define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
#define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
+#elif KMP_OS_OPENBSD
+/* TODO: tune for KMP_OS_OPENBSD */
+#define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
+#define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
#elif KMP_OS_HURD
/* TODO: tune for KMP_OS_HURD */
#define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
#define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
-#elif KMP_OS_OPENBSD
-/* TODO: tune for KMP_OS_OPENBSD */
+#elif KMP_OS_SOLARIS
+/* TODO: tune for KMP_OS_SOLARIS */
#define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
#define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
#endif
diff --git a/openmp/runtime/src/kmp_ftn_entry.h b/openmp/runtime/src/kmp_ftn_entry.h
index ffb01a31fb93edb..ad19079cb650909 100644
--- a/openmp/runtime/src/kmp_ftn_entry.h
+++ b/openmp/runtime/src/kmp_ftn_entry.h
@@ -582,7 +582,7 @@ int FTN_STDCALL KMP_EXPAND_NAME(FTN_GET_THREAD_NUM)(void) {
int gtid;
#if KMP_OS_DARWIN || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
- KMP_OS_HURD || KMP_OS_OPENBSD
+ KMP_OS_OPENBSD || KMP_OS_HURD || KMP_OS_SOLARIS
gtid = __kmp_entry_gtid();
#elif KMP_OS_WINDOWS
if (!__kmp_init_parallel ||
diff --git a/openmp/runtime/src/kmp_platform.h b/openmp/runtime/src/kmp_platform.h
index 1a2197d338342ac..9640d346a916a9f 100644
--- a/openmp/runtime/src/kmp_platform.h
+++ b/openmp/runtime/src/kmp_platform.h
@@ -23,6 +23,7 @@
#define KMP_OS_DARWIN 0
#define KMP_OS_WINDOWS 0
#define KMP_OS_HURD 0
+#define KMP_OS_SOLARIS 0
#define KMP_OS_UNIX 0 /* disjunction of KMP_OS_LINUX, KMP_OS_DARWIN etc. */
#ifdef _WIN32
@@ -70,13 +71,19 @@
#define KMP_OS_HURD 1
#endif
+#if (defined __sun__ && defined __svr4__)
+#undef KMP_OS_SOLARIS
+#define KMP_OS_SOLARIS 1
+#endif
+
#if (1 != KMP_OS_LINUX + KMP_OS_DRAGONFLY + KMP_OS_FREEBSD + KMP_OS_NETBSD + \
- KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD)
+ KMP_OS_OPENBSD + KMP_OS_DARWIN + KMP_OS_WINDOWS + KMP_OS_HURD + \
+ KMP_OS_SOLARIS)
#error Unknown OS
#endif
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
- KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD
+ KMP_OS_OPENBSD || KMP_OS_DARWIN || KMP_OS_HURD || KMP_OS_SOLARIS
#undef KMP_OS_UNIX
#define KMP_OS_UNIX 1
#endif
diff --git a/openmp/runtime/src/kmp_runtime.cpp b/openmp/runtime/src/kmp_runtime.cpp
index e83c09383769a51..bd5b41e0aa9922f 100644
--- a/openmp/runtime/src/kmp_runtime.cpp
+++ b/openmp/runtime/src/kmp_runtime.cpp
@@ -8897,7 +8897,8 @@ __kmp_determine_reduction_method(
KMP_ARCH_MIPS64 || KMP_ARCH_RISCV64 || KMP_ARCH_LOONGARCH64 || KMP_ARCH_VE
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
- KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD
+ KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD || \
+ KMP_OS_SOLARIS
int teamsize_cutoff = 4;
@@ -8921,12 +8922,13 @@ __kmp_determine_reduction_method(
#else
#error "Unknown or unsupported OS"
#endif // KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD ||
- // KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD
+ // KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN || KMP_OS_HURD ||
+ // KMP_OS_SOLARIS
#elif KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_AARCH || KMP_ARCH_MIPS
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
- KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_HURD
+ KMP_OS_OPENBSD || KMP_OS_WINDOWS || KMP_OS_HURD || KMP_OS_SOLARIS
// basic tuning
diff --git a/openmp/runtime/src/z_Linux_util.cpp b/openmp/runtime/src/z_Linux_util.cpp
index 5495f60d2029d49..843d23816b03394 100644
--- a/openmp/runtime/src/z_Linux_util.cpp
+++ b/openmp/runtime/src/z_Linux_util.cpp
@@ -60,6 +60,8 @@
#elif KMP_OS_NETBSD || KMP_OS_OPENBSD
#include <sys/types.h>
#include <sys/sysctl.h>
+#elif KMP_OS_SOLARIS
+#include <sys/loadavg.h>
#endif
#include <ctype.h>
@@ -70,6 +72,15 @@ struct kmp_sys_timer {
struct timespec start;
};
+#ifdef KMP_OS_SOLARIS
+// Convert timeval to timespec.
+#define TIMEVAL_TO_TIMESPEC(tv, ts) \
+ do { \
+ (ts)->tv_sec = (tv)->tv_sec; \
+ (ts)->tv_nsec = (tv)->tv_usec * 1000; \
+ } while (0)
+#endif
+
// Convert timespec to nanoseconds.
#define TS2NS(timespec) \
(((timespec).tv_sec * (long int)1e9) + (timespec).tv_nsec)
@@ -409,7 +420,7 @@ void __kmp_terminate_thread(int gtid) {
static kmp_int32 __kmp_set_stack_info(int gtid, kmp_info_t *th) {
int stack_data;
#if KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
- KMP_OS_HURD
+ KMP_OS_HURD || KMP_OS_SOLARIS
pthread_attr_t attr;
int status;
size_t size = 0;
@@ -448,7 +459,7 @@ static kmp_int32 __kmp_set_stack_info(int gtid, kmp_info_t *th) {
return TRUE;
}
#endif /* KMP_OS_LINUX || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD \
- || KMP_OS_HURD */
+ || KMP_OS_HURD || KMP_OS_SOLARIS */
/* Use incremental refinement starting from initial conservative estimate */
TCW_PTR(th->th.th_info.ds.ds_stacksize, 0);
TCW_PTR(th->th.th_info.ds.ds_stackbase, &stack_data);
@@ -1813,7 +1824,7 @@ static int __kmp_get_xproc(void) {
__kmp_type_convert(sysconf(_SC_NPROCESSORS_CONF), &(r));
#elif KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_OPENBSD || \
- KMP_OS_HURD
+ KMP_OS_HURD || KMP_OS_SOLARIS
__kmp_type_convert(sysconf(_SC_NPROCESSORS_ONLN), &(r));
@@ -2189,9 +2200,9 @@ int __kmp_is_address_mapped(void *addr) {
}
kiv.kve_start += 1;
}
-#elif KMP_OS_DRAGONFLY
+#elif KMP_OS_DRAGONFLY || KMP_OS_SOLARIS
- // FIXME(DragonFly): Implement this
+ // FIXME(DragonFly, Solaris): Implement this
found = 1;
#else
@@ -2207,7 +2218,7 @@ int __kmp_is_address_mapped(void *addr) {
#ifdef USE_LOAD_BALANCE
#if KMP_OS_DARWIN || KMP_OS_DRAGONFLY || KMP_OS_FREEBSD || KMP_OS_NETBSD || \
- KMP_OS_OPENBSD
+ KMP_OS_OPENBSD || KMP_OS_SOLARIS
// The function returns the rounded value of the system load average
// during given time interval which depends on the value of
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