Support of mips & mips64 for openmprtl

Summary:
Implemented by Dejan Latinovic
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=790735 for more more information

Reviewers: AndreyChurbanov, jlpeyton

Subscribers: openmp-commits, mgorny

Differential Revision: https://reviews.llvm.org/D26576

llvm-svn: 289032

9 files changed, 58 insertions, 15 deletions

diff --git a/openmp/runtime/src/kmp_affinity.h b/openmp/runtime/src/kmp_affinity.h
index fc43e8a7462..142acf7f514 100644
--- a/openmp/runtime/src/kmp_affinity.h
+++ b/openmp/runtime/src/kmp_affinity.h
@@ -204,7 +204,28 @@ public:
 #  elif __NR_sched_getaffinity != 223
 #   error Wrong code for getaffinity system call.
 #  endif /* __NR_sched_getaffinity */
-# else
+#  elif KMP_ARCH_MIPS
+#   ifndef __NR_sched_setaffinity
+#    define __NR_sched_setaffinity  4239
+#   elif __NR_sched_setaffinity != 4239
+#    error Wrong code for setaffinity system call.
+#   endif /* __NR_sched_setaffinity */
+#   ifndef __NR_sched_getaffinity
+#    define __NR_sched_getaffinity  4240
+#   elif __NR_sched_getaffinity != 4240
+#    error Wrong code for getaffinity system call.
+#   endif /* __NR_sched_getaffinity */
+#  elif KMP_ARCH_MIPS64
+#   ifndef __NR_sched_setaffinity
+#    define __NR_sched_setaffinity  5195
+#   elif __NR_sched_setaffinity != 5195
+#    error Wrong code for setaffinity system call.
+#   endif /* __NR_sched_setaffinity */
+#   ifndef __NR_sched_getaffinity
+#    define __NR_sched_getaffinity  5196
+#   elif __NR_sched_getaffinity != 5196
+#    error Wrong code for getaffinity system call.
+#   endif /* __NR_sched_getaffinity */
 #  error Unknown or unsupported architecture
 # endif /* KMP_ARCH_* */
 class KMPNativeAffinity : public KMPAffinity {
diff --git a/openmp/runtime/src/kmp_csupport.c b/openmp/runtime/src/kmp_csupport.c
index f774ac14c00..00dc47167a3 100644
--- a/openmp/runtime/src/kmp_csupport.c
+++ b/openmp/runtime/src/kmp_csupport.c
@@ -624,7 +624,7 @@ __kmpc_flush(ident_t *loc)
                 #endif // KMP_COMPILER_ICC
             }; // if
         #endif // KMP_MIC
-    #elif (KMP_ARCH_ARM || KMP_ARCH_AARCH64)
+    #elif (KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || KMP_ARCH_MIPS64)
         // Nothing to see here move along
     #elif KMP_ARCH_PPC64
         // Nothing needed here (we have a real MB above).
diff --git a/openmp/runtime/src/kmp_gsupport.c b/openmp/runtime/src/kmp_gsupport.c
index ca97fb6731e..e07c09d3c2e 100644
--- a/openmp/runtime/src/kmp_gsupport.c
+++ b/openmp/runtime/src/kmp_gsupport.c
@@ -232,7 +232,7 @@ xexpand(KMP_API_NAME_GOMP_ORDERED_END)(void)
 // (IA-32 architecture) or 64-bit signed (Intel(R) 64).
 //
 
-#if KMP_ARCH_X86 || KMP_ARCH_ARM
+#if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
 # define KMP_DISPATCH_INIT              __kmp_aux_dispatch_init_4
 # define KMP_DISPATCH_FINI_CHUNK        __kmp_aux_dispatch_fini_chunk_4
 # define KMP_DISPATCH_NEXT              __kmpc_dispatch_next_4
diff --git a/openmp/runtime/src/kmp_os.h b/openmp/runtime/src/kmp_os.h
index 65382dbf3b1..2a900d37e02 100644
--- a/openmp/runtime/src/kmp_os.h
+++ b/openmp/runtime/src/kmp_os.h
@@ -147,9 +147,9 @@
 # define KMP_UINT64_SPEC     "llu"
 #endif /* KMP_OS_UNIX */
 
-#if KMP_ARCH_X86 || KMP_ARCH_ARM
+#if KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS
 # define KMP_SIZE_T_SPEC KMP_UINT32_SPEC
-#elif KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64
+#elif KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS64
 # define KMP_SIZE_T_SPEC KMP_UINT64_SPEC
 #else
 # error "Can't determine size_t printf format specifier."
@@ -559,7 +559,7 @@ extern kmp_real64 __kmp_xchg_real64( volatile kmp_real64 *p, kmp_real64 v );
 # endif
 #endif /* KMP_OS_WINDOWS */
 
-#if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64
+#if KMP_ARCH_PPC64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS || KMP_ARCH_MIPS64
 # define KMP_MB()       __sync_synchronize()
 #endif
 
@@ -618,7 +618,7 @@ extern kmp_real64 __kmp_xchg_real64( volatile kmp_real64 *p, kmp_real64 v );
 #define TCW_SYNC_8(a,b)     (a) = (b)
 #define TCX_SYNC_8(a,b,c)   KMP_COMPARE_AND_STORE_REL64((volatile kmp_int64 *)(volatile void *)&(a), (kmp_int64)(b), (kmp_int64)(c))
 
-#if KMP_ARCH_X86
+#if KMP_ARCH_X86 || KMP_ARCH_MIPS
 // What about ARM?
     #define TCR_PTR(a)          ((void *)TCR_4(a))
     #define TCW_PTR(a,b)        TCW_4((a),(b))
diff --git a/openmp/runtime/src/kmp_platform.h b/openmp/runtime/src/kmp_platform.h
index b6a19dc06c3..2f43cf83ff9 100644
--- a/openmp/runtime/src/kmp_platform.h
+++ b/openmp/runtime/src/kmp_platform.h
@@ -77,6 +77,8 @@
 #define KMP_ARCH_PPC64_BE   0
 #define KMP_ARCH_PPC64_LE   0
 #define KMP_ARCH_PPC64 (KMP_ARCH_PPC64_LE || KMP_ARCH_PPC64_BE)
+#define KMP_ARCH_MIPS        0
+#define KMP_ARCH_MIPS64      0
 
 #if KMP_OS_WINDOWS
 # if defined _M_AMD64
@@ -106,6 +108,14 @@
 # elif defined __aarch64__
 #  undef KMP_ARCH_AARCH64
 #  define KMP_ARCH_AARCH64 1
+# elif defined __mips__
+#  if defined __mips64
+#   undef KMP_ARCH_MIPS64
+#   define KMP_ARCH_MIPS64 1
+#  else
+#   undef KMP_ARCH_MIPS
+#   define KMP_ARCH_MIPS 1
+#  endif
 # endif
 #endif
 
@@ -161,10 +171,10 @@
 #endif
 
 /* Specify 32 bit architectures here */
-#define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM)
+#define KMP_32_BIT_ARCH (KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_MIPS)
 
 // TODO: Fixme - This is clever, but really fugly
-#if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + KMP_ARCH_AARCH64)
+#if (1 != KMP_ARCH_X86 + KMP_ARCH_X86_64 + KMP_ARCH_ARM + KMP_ARCH_PPC64 + KMP_ARCH_AARCH64 + KMP_ARCH_MIPS + KMP_ARCH_MIPS64)
 # error Unknown or unsupported architecture
 #endif
 
diff --git a/openmp/runtime/src/kmp_runtime.c b/openmp/runtime/src/kmp_runtime.c
index da602d9bc0d..2a67206f981 100644
--- a/openmp/runtime/src/kmp_runtime.c
+++ b/openmp/runtime/src/kmp_runtime.c
@@ -7565,7 +7565,7 @@ __kmp_determine_reduction_method( ident_t *loc, kmp_int32 global_tid,
         int atomic_available = FAST_REDUCTION_ATOMIC_METHOD_GENERATED;
         int tree_available   = FAST_REDUCTION_TREE_METHOD_GENERATED;
 
-        #if KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64
+        #if KMP_ARCH_X86_64 || KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS64
 
             #if KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN
 
@@ -7591,7 +7591,7 @@ __kmp_determine_reduction_method( ident_t *loc, kmp_int32 global_tid,
                 #error "Unknown or unsupported OS"
             #endif // KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_NETBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN
 
-        #elif KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_AARCH
+        #elif KMP_ARCH_X86 || KMP_ARCH_ARM || KMP_ARCH_AARCH || KMP_ARCH_MIPS
 
             #if KMP_OS_LINUX || KMP_OS_WINDOWS
 
diff --git a/openmp/runtime/src/thirdparty/ittnotify/ittnotify_config.h b/openmp/runtime/src/thirdparty/ittnotify/ittnotify_config.h
index 106823968fe..c3ce2fb42e1 100644
--- a/openmp/runtime/src/thirdparty/ittnotify/ittnotify_config.h
+++ b/openmp/runtime/src/thirdparty/ittnotify/ittnotify_config.h
@@ -142,6 +142,14 @@
 #  define ITT_ARCH_PPC64  5
 #endif /* ITT_ARCH_PPC64 */
 
+#ifndef ITT_ARCH_MIPS
+#  define ITT_ARCH_MIPS  6
+#endif /* ITT_ARCH_MIPS */
+
+#ifndef ITT_ARCH_MIPS64
+#  define ITT_ARCH_MIPS64  6
+#endif /* ITT_ARCH_MIPS64 */
+
 
 #ifndef ITT_ARCH
 #  if defined _M_IX86 || defined __i386__
@@ -156,6 +164,10 @@
 #    define ITT_ARCH ITT_ARCH_PPC64
 #  elif defined __aarch64__
 #    define ITT_ARCH ITT_ARCH_AARCH64
+#  elif defined __mips__ && !defined __mips64
+#    define ITT_ARCH ITT_ARCH_MIPS
+#  elif defined __mips__ && defined __mips64
+#    define ITT_ARCH ITT_ARCH_MIPS64
 #  endif
 #endif
 
@@ -293,7 +305,7 @@ ITT_INLINE long __TBB_machine_fetchadd4(volatile void* ptr, long addend)
                           : "memory");
     return result;
 }
-#elif ITT_ARCH==ITT_ARCH_ARM || ITT_ARCH==ITT_ARCH_PPC64 || ITT_ARCH==ITT_ARCH_AARCH64
+#elif ITT_ARCH==ITT_ARCH_ARM || ITT_ARCH==ITT_ARCH_PPC64 || ITT_ARCH==ITT_ARCH_AARCH64 || ITT_ARCH==ITT_ARCH_MIPS ||  ITT_ARCH==ITT_ARCH_MIPS64
 #define __TBB_machine_fetchadd4(addr, val) __sync_fetch_and_add(addr, val)
 #endif /* ITT_ARCH==ITT_ARCH_IA64 */
 #ifndef ITT_SIMPLE_INIT
diff --git a/openmp/runtime/src/thirdparty/ittnotify/ittnotify_static.c b/openmp/runtime/src/thirdparty/ittnotify/ittnotify_static.c
index 89a716dc0ab..de4fe41c093 100644
--- a/openmp/runtime/src/thirdparty/ittnotify/ittnotify_static.c
+++ b/openmp/runtime/src/thirdparty/ittnotify/ittnotify_static.c
@@ -72,7 +72,7 @@ static const char* ittnotify_lib_name = "libittnotify.dylib";
 
 
 #ifndef LIB_VAR_NAME
-#if ITT_ARCH==ITT_ARCH_IA32 || ITT_ARCH==ITT_ARCH_ARM
+#if ITT_ARCH==ITT_ARCH_IA32 || ITT_ARCH==ITT_ARCH_ARM || ITT_ARCH==ITT_ARCH_MIPS
 #define LIB_VAR_NAME INTEL_LIBITTNOTIFY32
 #else
 #define LIB_VAR_NAME INTEL_LIBITTNOTIFY64
diff --git a/openmp/runtime/src/z_Linux_asm.s b/openmp/runtime/src/z_Linux_asm.s
index 60130a4c0ef..d6e1c0b7195 100644
--- a/openmp/runtime/src/z_Linux_asm.s
+++ b/openmp/runtime/src/z_Linux_asm.s
@@ -1776,7 +1776,7 @@ __kmp_invoke_microtask:
 
 #endif /* KMP_ARCH_PPC64 */
 
-#if KMP_ARCH_ARM
+#if KMP_ARCH_ARM || KMP_ARCH_MIPS
     .data
     .comm .gomp_critical_user_,32,8
     .data
@@ -1787,7 +1787,7 @@ __kmp_unnamed_critical_addr:
     .size __kmp_unnamed_critical_addr,4
 #endif /* KMP_ARCH_ARM */
 
-#if KMP_ARCH_PPC64 || KMP_ARCH_AARCH64
+#if KMP_ARCH_PPC64 || KMP_ARCH_AARCH64 || KMP_ARCH_MIPS64
     .data
     .comm .gomp_critical_user_,32,8
     .data