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semsmp.c
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/*
* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
* See https://llvm.org/LICENSE.txt for license information.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*
*/
/** \file
\brief semantic analyzer routines which process SMP statements.
*/
#include "gbldefs.h"
#include "global.h"
#include "gramsm.h"
#include "gramtk.h"
#include "error.h"
#include "symtab.h"
#include "symutl.h"
#include "dtypeutl.h"
#include "semant.h"
#include "scan.h"
#include "semstk.h"
#include "ast.h"
#include "direct.h"
#include "pragma.h"
#include "x86.h"
#include "llmputil.h"
#include "mp.h"
#include "atomic_common.h"
/* contents of this file: */
static void add_clause(int, LOGICAL);
static bool clause_errchk(BIGINT64, char *);
static void accel_sched_errchk();
static void accel_nosched_errchk();
static void accel_pragmagen(int, int, int);
static int sched_type(char *);
static void set_iftype(int, char *, char *, char *);
static void validate_if(int, char *);
static int cancel_type(char *);
static int emit_bpar(void);
static int emit_btarget(int);
static void do_schedule(int);
static void do_private(void);
static void do_firstprivate(int);
static void do_lastprivate(void);
static void do_reduction(void);
static void do_copyin(void);
static void do_copyprivate(void);
static int size_of_allocatable(int);
static void do_default_clause(int);
static void begin_parallel_clause(int);
static void end_reduction(REDUC *, int);
static void end_lastprivate(int);
static void end_workshare(int s_std, int e_std);
static void deallocate_privates(int);
static void add_assignment(int, SST *);
static void add_assignment_before(int, SST *, int);
static void add_ptr_assignment(int, SST *);
static void assign_cval(int, int, int);
static int enter_dir(int, LOGICAL, LOGICAL, BITMASK64);
static int leave_dir(int, LOGICAL, LOGICAL);
static char *name_of_dir(int);
static int find_reduc_intrinsic(int);
static int get_csect_sym(char *);
static int get_csect_pfxlen(void);
static void check_barrier(void);
static void check_crit(char *);
static int check_cancel(int);
static void check_targetdata(int, char *);
static void check_valid_data_sharing(int);
static LOGICAL check_map_data_sharing(int);
static void cray_pointer_check(ITEM *, int);
static void other_firstlast_check(ITEM *, int);
static void copyprivate_check(ITEM *, int);
static int sym_in_clause(int sptr, int clause);
static void non_private_check(int, char *);
static void private_check();
static void deallocate_no_scope_sptr();
static int get_stblk_uplevel_sptr();
static int add_firstprivate_assn(int, int, int);
static void begin_combine_constructs(BIGINT64);
static void end_targteams();
static LOGICAL is_last_private(int);
static void mp_add_shared_var(int, int);
static void mk_reduction_list(void);
static void mk_private_list(void);
static void mk_shared_list(void);
static void mk_lastprivate_list(void);
static void save_private_list(void);
static void save_firstprivate_list(void);
static void save_shared_list(void);
static void restore_clauses(void);
static void do_bdistribute(int, LOGICAL);
static void do_bteams(int);
static int get_mp_bind_type(char *);
static LOGICAL is_valid_atomic_read(int, int);
static LOGICAL is_valid_atomic_write(int, int);
static LOGICAL is_valid_atomic_capture(int, int);
static LOGICAL is_valid_atomic_update(int, int);
static int mk_atomic_update_binop(int, int);
static int mk_atomic_update_intr(int, int);
static void do_map();
static LOGICAL use_atomic_for_reduction(int);
#if defined(OMP_OFFLOAD_LLVM) || defined(OMP_OFFLOAD_PGI)
static char *map_type;
bool isalways = false;
static int get_omp_combined_mode(BIGINT64 type);
static void mp_handle_map_clause(SST *, int, char *, int, int, bool);
static void mp_check_maptype(const char *maptype);
static LOGICAL is_in_omptarget(int d);
static LOGICAL is_in_omptarget_data(int d);
#endif
#ifdef OMP_OFFLOAD_LLVM
static void gen_reduction_ompaccel(REDUC *reducp, REDUC_SYM *reduc_symp,
LOGICAL rmme, LOGICAL in_parallel);
#endif
/*-------- define data structures and macros local to this file: --------*/
/* define macros used to access table the clause table, "ct".
* Their values range from 0 .. CL_MAXV.
*
* N O T E: The static array of struct, cl, is initialized the names of
* these clauses. If changes are made to the CL_ macros,
* R E M E M B E R to change clname.
*/
#define CL_DEFAULT 0
#define CL_PRIVATE 1
#define CL_SHARED 2
#define CL_FIRSTPRIVATE 3
#define CL_LASTPRIVATE 4
#define CL_SCHEDULE 5
#define CL_ORDERED 6
#define CL_REDUCTION 7
#define CL_IF 8
#define CL_COPYIN 9
#define CL_COPYPRIVATE 10
#define CL_MP_SCHEDTYPE 11
#define CL_CHUNK 12
#define CL_NOWAIT 13
#define CL_NUM_THREADS 14
#define CL_COLLAPSE 15
#define CL_UNTIED 16
#define CL_COPYOUT 17
#define CL_LOCAL 18
#define CL_CACHE 19
#define CL_SHORTLOOP 20
#define CL_VECTOR 21
#define CL_PARALLEL 22
#define CL_SEQ 23
#define CL_HOST 24
#define CL_UNROLL 25
#define CL_KERNEL 26
#define CL_COPY 27
#define CL_MIRROR 28
#define CL_REFLECTED 29
#define CL_UPDATEHOST 30
#define CL_UPDATESELF 31
#define CL_UPDATEDEV 32
#define CL_INDEPENDENT 33
#define CL_WAIT 34
#define CL_CUFTILE 35
#define CL_KERNEL_GRID 36
#define CL_KERNEL_BLOCK 37
#define CL_SEQUNROLL 38
#define CL_PARUNROLL 39
#define CL_VECUNROLL 40
#define CL_CREATE 41
#define CL_ACCPRESENT 42
#define CL_ACCPCOPY 43
#define CL_ACCPCOPYIN 44
#define CL_ACCPCOPYOUT 45
#define CL_ACCPCREATE 46
#define CL_ACCPNOT 47
#define CL_ASYNC 48
#define CL_STREAM 49
#define CL_DEVICE 50
#define CL_WORKER 51
#define CL_GANG 52
#define CL_NUM_WORKERS 53
#define CL_NUM_GANGS 54
#define CL_VECTOR_LENGTH 55
#define CL_USE_DEVICE 56
#define CL_DEVICEPTR 57
#define CL_DEVICE_RESIDENT 58
#define CL_FINAL 59
#define CL_MERGEABLE 60
#define CL_DEVICEID 61
#define CL_ACCDELETE 62
#define CL_ACCPDELETE 63
#define CL_ACCLINK 64
#define CL_DEVICE_TYPE 65
#define CL_AUTO 66
#define CL_TILE 67
#define CL_GANGCHUNK 68
#define CL_DEFNONE 69
#define CL_NUM_GANGS2 70
#define CL_NUM_GANGS3 71
#define CL_GANGDIM 72
#define CL_DEFPRESENT 73
#define CL_FORCECOLLAPSE 74
#define CL_FINALIZE 75
#define CL_IFPRESENT 76
#define CL_SAFELEN 77
#define CL_SIMDLEN 78
#define CL_LINEAR 79
#define CL_ALIGNED 80
#define CL_USE_DEVICE_PTR 81
#define CL_DEPEND 82
#define CL_INBRANCH 83
#define CL_NOTINBRANCH 84
#define CL_UNIFORM 85
#define CL_GRAINSIZE 86
#define CL_NUM_TASKS 87
#define CL_NOGROUP 88
#define CL_OMPDEVICE 89
#define CL_MAP 90
#define CL_DEFAULTMAP 91
#define CL_TO 92
#define CL_LINK 93
#define CL_FROM 94
#define CL_NUM_TEAMS 95
#define CL_THREAD_LIMIT 96
#define CL_DIST_SCHEDULE 97
#define CL_PRIORITY 98
#define CL_IS_DEVICE_PTR 99
#define CL_SIMD 100
#define CL_THREADS 101
#define CL_DEVICE_NUM 102
#define CL_DEFAULT_ASYNC 103
#define CL_ACCDECL 104
#define CL_PROC_BIND 105
#define CL_ACCNO_CREATE 106
#define CL_ACCATTACH 107
#define CL_ACCDETACH 108
#define CL_ACCCOMPARE 109
#define CL_PGICOMPARE 110
#define CL_MAXV 111 /* This must be the last clause */
/*
* define bit flag for each statement which may have clauses. Used for
* checking for illegal clauses.
*/
#define BT_PAR 0x001
#define BT_SINGLE 0x002
#define BT_PDO 0x004
#define BT_PARDO 0x008
#define BT_DOACROSS 0x010
#define BT_SECTS 0x020
#define BT_PARSECTS 0x040
#define BT_PARWORKS 0x080
#define BT_TASK 0x100
#define BT_ACCREG 0x200
#define BT_ACCKERNELS 0x400
#define BT_ACCPARALLEL 0x800
#define BT_ACCKDO 0x1000
#define BT_ACCPDO 0x2000
#define BT_ACCKLOOP 0x4000
#define BT_ACCPLOOP 0x8000
#define BT_ACCDATAREG 0x10000
#define BT_ACCDECL 0x20000
#define BT_ACCUPDATE 0x40000
#define BT_ACCENDREG 0x80000
#define BT_ACCSCALARREG 0x100000
#define BT_CUFKERNEL 0x200000
#define BT_ACCHOSTDATA 0x400000
#define BT_ACCENTERDATA 0x800000
#define BT_ACCEXITDATA 0x1000000
#define BT_SIMD 0x2000000
#define BT_TASKGROUP 0x4000000
#define BT_TASKLOOP 0x8000000
#define BT_TARGET 0x10000000
#define BT_DISTRIBUTE 0x20000000
#define BT_TEAMS 0x400000000
#define BT_DECLTARGET 0x800000000
#define BT_DECLSIMD 0x1000000000
#define BT_ACCINITSHUTDOWN 0x2000000000
#define BT_ACCSET 0x4000000000
#define BT_ACCSERIAL 0x8000000000
#define BT_ACCSLOOP 0x10000000000
static struct cl_tag { /* clause table */
int present;
BIGINT64 val;
void *first;
void *last;
char *name;
BIGINT64 stmt; /* stmts which may use the clause */
} cl[CL_MAXV] = {
{0, 0, NULL, NULL, "DEFAULT",
BT_PAR | BT_PARDO | BT_PARSECTS | BT_PARWORKS | BT_TASK | BT_TEAMS |
BT_TASKLOOP},
{0, 0, NULL, NULL, "PRIVATE",
BT_PAR | BT_PDO | BT_PARDO | BT_DOACROSS | BT_SECTS | BT_PARSECTS |
BT_SINGLE | BT_PARWORKS | BT_TASK | BT_ACCPARALLEL | BT_ACCKDO |
BT_ACCPDO | BT_ACCKLOOP | BT_ACCPLOOP | BT_SIMD | BT_TARGET |
BT_TASKLOOP | BT_TEAMS | BT_DISTRIBUTE | BT_ACCSERIAL | BT_ACCSLOOP},
{0, 0, NULL, NULL, "SHARED",
BT_PAR | BT_PARDO | BT_DOACROSS | BT_PARSECTS | BT_PARWORKS | BT_TASK |
BT_TASKLOOP | BT_TEAMS},
{0, 0, NULL, NULL, "FIRSTPRIVATE",
BT_PAR | BT_PDO | BT_PARDO | BT_SECTS | BT_PARSECTS | BT_SINGLE |
BT_PARWORKS | BT_TASK | BT_ACCPARALLEL | BT_TARGET | BT_TEAMS |
BT_TASKLOOP | BT_DISTRIBUTE | BT_ACCSERIAL},
{0, 0, NULL, NULL, "LASTPRIVATE",
BT_PDO | BT_PARDO | BT_DOACROSS | BT_SECTS | BT_PARSECTS | BT_SIMD |
BT_TASKLOOP | BT_DISTRIBUTE},
{0, 0, NULL, NULL, "SCHEDULE", BT_PDO | BT_PARDO},
{0, 0, NULL, NULL, "ORDERED", BT_PDO | BT_PARDO},
{0, 0, NULL, NULL, "REDUCTION",
BT_PAR | BT_PDO | BT_PARDO | BT_DOACROSS | BT_SECTS | BT_PARSECTS |
BT_PARWORKS | BT_ACCPARALLEL | BT_ACCKDO | BT_ACCPDO | BT_ACCKLOOP |
BT_ACCPLOOP | BT_SIMD | BT_TEAMS | BT_ACCSERIAL | BT_ACCSLOOP},
{0, 0, NULL, NULL, "IF",
BT_PAR | BT_PARDO | BT_PARSECTS | BT_PARWORKS | BT_TASK | BT_ACCREG |
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG | BT_ACCSCALARREG |
BT_ACCUPDATE | BT_ACCENTERDATA | BT_ACCEXITDATA | BT_TARGET |
BT_TASKLOOP | BT_ACCSERIAL | BT_ACCHOSTDATA},
{0, 0, NULL, NULL, "COPYIN",
BT_PAR | BT_PARDO | BT_PARSECTS | BT_PARWORKS | BT_ACCREG | BT_ACCKERNELS |
BT_ACCPARALLEL | BT_ACCDATAREG | BT_ACCSCALARREG | BT_ACCDECL |
BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "COPYPRIVATE", BT_SINGLE},
{0, 0, NULL, NULL, "MP_SCHEDTYPE", BT_DOACROSS},
{0, 0, NULL, NULL, "CHUNK", BT_DOACROSS},
{0, 0, NULL, NULL, "NOWAIT",
BT_SINGLE | BT_SECTS | BT_PDO | BT_ACCREG | BT_ACCKERNELS |
BT_ACCPARALLEL | BT_ACCSCALARREG | BT_ACCENDREG | BT_CUFKERNEL |
BT_TARGET},
{0, 0, NULL, NULL, "NUM_THREADS",
BT_PAR | BT_PARDO | BT_PARSECTS | BT_PARWORKS},
{0, 0, NULL, NULL, "COLLAPSE",
BT_PDO | BT_PARDO | BT_ACCKDO | BT_ACCPDO | BT_ACCKLOOP | BT_ACCPLOOP |
BT_SIMD | BT_TASKLOOP | BT_DISTRIBUTE | BT_ACCSLOOP},
{0, 0, NULL, NULL, "UNTIED", BT_TASK | BT_TASKLOOP},
{0, 0, NULL, NULL, "COPYOUT",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCEXITDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "LOCAL",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "CACHE", BT_ACCKDO},
{0, 0, NULL, NULL, "SHORTLOOP",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "VECTOR",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "PARALLEL",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP},
{0, 0, NULL, NULL, "SEQ",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "HOST", BT_ACCKDO | BT_ACCKLOOP},
{0, 0, NULL, NULL, "UNROLL",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "KERNEL", BT_ACCKDO | BT_ACCKLOOP},
{0, 0, NULL, NULL, "COPY",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "MIRROR", BT_ACCDATAREG | BT_ACCDECL},
{0, 0, NULL, NULL, "REFLECTED", BT_ACCDECL},
{0, 0, NULL, NULL, "UPDATE HOST",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCSERIAL},
{0, 0, NULL, NULL, "UPDATE SELF",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCSERIAL},
{0, 0, NULL, NULL, "UPDATE DEVICE",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCSERIAL},
{0, 0, NULL, NULL, "INDEPENDENT",
BT_ACCKDO | BT_ACCPDO | BT_ACCKLOOP | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "WAIT",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCSCALARREG |
BT_ACCENDREG | BT_CUFKERNEL | BT_ACCDATAREG | BT_ACCUPDATE |
BT_ACCENTERDATA | BT_ACCEXITDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "TILE", BT_CUFKERNEL},
{0, 0, NULL, NULL, "KERNEL_GRID", BT_CUFKERNEL},
{0, 0, NULL, NULL, "KERNEL_BLOCK", BT_CUFKERNEL},
{0, 0, NULL, NULL, "UNROLL", /* for sequential loops */
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "UNROLL", /* for parallel loops */
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP},
{0, 0, NULL, NULL, "UNROLL", /* for vector loops */
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "CREATE",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "PRESENT",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "PRESENT_OR_COPY",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "PRESENT_OR_COPYIN",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "PRESENT_OR_COPYOUT",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCEXITDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "PRESENT_OR_CREATE",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "PRESENT_OR_NOT",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "ASYNC",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCUPDATE | BT_ACCENTERDATA | BT_ACCEXITDATA |
BT_ACCSERIAL},
{0, 0, NULL, NULL, "STREAM", BT_CUFKERNEL},
{0, 0, NULL, NULL, "DEVICE", BT_CUFKERNEL},
{0, 0, NULL, NULL, "WORKER",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "GANG",
BT_ACCKDO | BT_ACCKLOOP | BT_ACCPDO | BT_ACCPLOOP | BT_ACCSLOOP},
{0, 0, NULL, NULL, "NUM_WORKERS",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "NUM_GANGS",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "VECTOR_LENGTH",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "USE_DEVICE", BT_ACCHOSTDATA},
{0, 0, NULL, NULL, "DEVICEPTR",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG | BT_ACCSERIAL | BT_ACCDECL},
{0, 0, NULL, NULL, "DEVICE_RESIDENT", BT_ACCDECL},
{0, 0, NULL, NULL, "FINAL", BT_TASK | BT_TASKLOOP},
{0, 0, NULL, NULL, "MERGEABLE", BT_TASK | BT_TASKLOOP},
{0, 0, NULL, NULL, "DEVICEID",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCUPDATE | BT_ACCHOSTDATA | BT_ACCENTERDATA |
BT_ACCEXITDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "DELETE", BT_ACCEXITDATA},
{0, 0, NULL, NULL, "PDELETE", BT_ACCEXITDATA},
{0, 0, NULL, NULL, "LINK", BT_ACCDECL},
{0, 0, NULL, NULL, "DEVICE_TYPE",
BT_ACCKLOOP | BT_ACCPLOOP | BT_ACCKDO | BT_ACCPDO | BT_ACCKERNELS |
BT_ACCPARALLEL | BT_ACCINITSHUTDOWN | BT_ACCSET | BT_ACCSERIAL},
{0, 0, NULL, NULL, "AUTO",
BT_ACCKLOOP | BT_ACCPLOOP | BT_ACCKDO | BT_ACCPDO | BT_ACCSLOOP},
{0, 0, NULL, NULL, "TILE",
BT_ACCKLOOP | BT_ACCPLOOP | BT_ACCKDO | BT_ACCPDO | BT_ACCSLOOP},
{0, 0, NULL, NULL, "GANG(STATIC:)",
BT_ACCKLOOP | BT_ACCPLOOP | BT_ACCKDO | BT_ACCPDO | BT_ACCSLOOP},
{0, 0, NULL, NULL, "DEFAULT(NONE)",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCREG | BT_ACCSERIAL},
{0, 0, NULL, NULL, "NUM_GANGS(dim:2)",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "NUM_GANGS(dim:3)",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCSERIAL},
{0, 0, NULL, NULL, "GANG(DIM:)", BT_ACCPLOOP | BT_ACCPDO | BT_ACCSLOOP},
{0, 0, NULL, NULL, "DEFAULT(PRESENT)",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCREG | BT_ACCSERIAL},
{0, 0, NULL, NULL, "COLLAPSE(FORCE)",
BT_ACCKLOOP | BT_ACCPLOOP | BT_ACCKDO | BT_ACCPDO | BT_ACCSLOOP},
{0, 0, NULL, NULL, "FINALIZE", BT_ACCEXITDATA},
{0, 0, NULL, NULL, "IF_PRESENT", BT_ACCUPDATE | BT_ACCHOSTDATA},
{0, 0, NULL, NULL, "SAFELEN", BT_SIMD | BT_PDO | BT_PARDO},
{0, 0, NULL, NULL, "SIMDLEN", BT_SIMD | BT_PDO | BT_PARDO | BT_DECLSIMD},
{0, 0, NULL, NULL, "LINEAR", BT_SIMD | BT_PDO | BT_PARDO | BT_DECLSIMD},
{0, 0, NULL, NULL, "ALIGNED", BT_SIMD | BT_PDO | BT_PARDO | BT_DECLSIMD},
{0, 0, NULL, NULL, "USE_DEVICE_PTR", BT_TARGET},
{0, 0, NULL, NULL, "DEPEND", BT_TASK | BT_TARGET},
{0, 0, NULL, NULL, "INBRANCH", BT_DECLSIMD},
{0, 0, NULL, NULL, "NOTINBRANCH", BT_DECLSIMD},
{0, 0, NULL, NULL, "UNIFORM", BT_DECLSIMD},
{0, 0, NULL, NULL, "GRAINSIZE", BT_TASKLOOP},
{0, 0, NULL, NULL, "NUM_TASKS", BT_TASKLOOP},
{0, 0, NULL, NULL, "NOGROUP", BT_TASKLOOP},
{0, 0, NULL, NULL, "OMPDEVICE", BT_TARGET},
{0, 0, NULL, NULL, "MAP", BT_TARGET},
{0, 0, NULL, NULL, "DEFAULTMAP", BT_TARGET},
{0, 0, NULL, NULL, "TO", BT_TARGET},
{0, 0, NULL, NULL, "LINK", BT_TARGET},
{0, 0, NULL, NULL, "FROM", BT_TARGET},
{0, 0, NULL, NULL, "NUM_TEAMS", BT_TEAMS},
{0, 0, NULL, NULL, "THREAD_LIMIT", BT_TEAMS},
{0, 0, NULL, NULL, "DIST_SCHEDULE", BT_DISTRIBUTE},
{0, 0, NULL, NULL, "PRIORITY", BT_TASKLOOP},
{0, 0, NULL, NULL, "IS_DEVICE_PTR", BT_TARGET},
{0, 0, NULL, NULL, "SIMD", BT_PDO | BT_PARDO | BT_SIMD},
{0, 0, NULL, NULL, "THREADS", BT_TARGET},
{0, 0, NULL, NULL, "DEVICE_NUM", BT_ACCINITSHUTDOWN | BT_ACCSET},
{0, 0, NULL, NULL, "DEFAULT_ASYNC", BT_ACCSET},
{0, 0, NULL, NULL, "DECLARE", BT_ACCDECL},
{0, 0, NULL, NULL, "PROC_BIND", BT_PAR | BT_PARDO},
{0, 0, NULL, NULL, "NO_CREATE",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCDECL | BT_ACCENTERDATA | BT_ACCSERIAL},
{0, 0, NULL, NULL, "ATTACH",
BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG | BT_ACCENTERDATA |
BT_ACCSERIAL},
{0, 0, NULL, NULL, "DETACH", BT_ACCEXITDATA},
{0, 0, NULL, NULL, "COMPARE",
BT_ACCREG | BT_ACCKERNELS | BT_ACCPARALLEL | BT_ACCDATAREG |
BT_ACCSCALARREG | BT_ACCSERIAL},
};
#define CL_PRESENT(d) cl[d].present
#define CL_VAL(d) cl[d].val
#define CL_NAME(d) cl[d].name
#define CL_STMT(d) cl[d].stmt
#define CL_FIRST(d) cl[d].first
#define CL_LAST(d) cl[d].last
struct savcl_tag { /* save clause table for combined construct */
int present;
BIGINT64 val;
void *first;
void *last;
};
static struct savcl_tag sav_cl[CL_MAXV];
/* used for combined constructs of:
* target teams distribute parallel for simd where clauses
* can be applied to applicable construct.
*/
#define SAVCL_PRESENT(d) sav_cl[d].present
#define SAVCL_VAL(d) sav_cl[d].val /* sptr in some cases */
#define SAVCL_FIRST(d) sav_cl[d].first
#define SAVCL_LAST(d) sav_cl[d].last
/* combined target/data constructs and also use fo if(xxx:) clause */
#define OMP_DEFAULT 0x0
#define OMP_TARGET 0x1
#define OMP_TARGETDATA 0x2
#define OMP_TARGETENTERDATA 0x4
#define OMP_TARGETEXITDATA 0x8
#define OMP_TARGETUPDATE 0x10
#define OMP_PARALLEL 0x20
#define OMP_TASK 0x40
#define OMP_TASKLOOP 0x80
static int recent_loop_clause = 0;
static int chunk;
static int distchunk;
static int mp_iftype;
static ISZ_T kernel_do_nest;
static LOGICAL has_team = FALSE;
static LOGICAL any_pflsr_private = FALSE;
static void add_pragmasyms(int pragmatype, int pragmascope, ITEM *itemp, int);
static void add_pragma(int pragmatype, int pragmascope, int pragmaarg);
#define OPT_OMP_ATOMIC !XBIT(69,0x1000)
static int kernel_argnum;
/**
\brief Semantic analysis for SMP statements.
\param rednum reduction number
\param top top of stack after reduction
*/
void
semsmp(int rednum, SST *top)
{
int sptr, sptr1, sptr2, ilmptr;
int dtype;
ITEM *itemp; /* Pointers to items */
int doif;
int prev_doif;
int ast, arg, std;
int opc;
int clause;
INT val[2];
INT rhstop;
int op, i, d, ctype, bind_type;
int ditype, ditype2, ditype3, pr1, pr2;
BIGINT64 bttype;
BITMASK64 dimask, dinestmask;
LOGICAL dignorenested;
char *dirname;
char *nmptr;
REDUC *reducp;
REDUC_SYM *reduc_symp;
REDUC_SYM *reduc_symp_last;
REDUC_SYM *reduc_symp_curr;
SST *e1;
switch (rednum) {
/* ------------------------------------------------------------------ */
/*
* <declare simd> ::= <declare simd begin> <opt par list>
*/
case DECLARE_SIMD1:
apply_nodepchk(gbl.lineno, 2);
break;
/* ------------------------------------------------------------------ */
/*
* <declare simd name> ::= |
*/
case DECLARE_SIMD_NAME1:
break;
/*
* <declare simd name> ::= ( <id> )
*/
case DECLARE_SIMD_NAME2:
break;
/* ------------------------------------------------------------------ */
/*
* <declare target> ::= ( <ident list> ) |
*/
case DECLARE_TARGET1:
break;
/*
* <declare target> ::= <par list>
*/
case DECLARE_TARGET2:
break;
/* ------------------------------------------------------------------ */
/*
* <smp stmt> ::= <mp begin> <mp stmt>
*/
case SMP_STMT1:
SST_ASTP(LHS, SST_ASTG(RHS(2)));
break;
/* ------------------------------------------------------------------ */
/*
* <mp begin> ::=
*/
case MP_BEGIN1:
parstuff_init();
break;
/* ------------------------------------------------------------------ */
/*
* <mp stmt> ::= <par begin> <opt par list> |
*/
case MP_STMT1:
clause_errchk(BT_PAR, "OMP PARALLEL");
mp_create_bscope(0);
DI_BPAR(sem.doif_depth) = emit_bpar();
par_push_scope(FALSE);
begin_parallel_clause(sem.doif_depth);
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <mp endparallel> |
*/
case MP_STMT2:
end_parallel_clause(doif = sem.doif_depth);
(void)leave_dir(DI_PAR, TRUE, 0);
--sem.parallel;
par_pop_scope();
ast = emit_epar();
mp_create_escope();
if (doif) {
A_LOPP(DI_BPAR(doif), ast);
A_LOPP(ast, DI_BPAR(doif));
}
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <mp critical> <opt csident> |
*/
case MP_STMT3:
ast = 0;
doif = enter_dir(DI_CRITICAL, FALSE, 0, DI_B(DI_ATOMIC_CAPTURE));
sptr = 0;
if (SST_IDG(RHS(2))) {
check_crit(scn.id.name + SST_SYMG(RHS(2)));
sptr = get_csect_sym(scn.id.name + SST_SYMG(RHS(2)));
DI_CRITSYM(sem.doif_depth) = sptr;
} else {
check_crit(NULL);
DI_CRITSYM(sem.doif_depth) = 0;
sptr = get_csect_sym("unspc");
}
if (doif && sptr) {
/*can't call emit_bcs_ecs - it checks for nested critical sections*/
ast = mk_stmt(A_MP_CRITICAL, 0);
DI_BEGINP(doif) = ast;
if (!XBIT(69, 0x100))
A_MEMP(ast, CMEMFG(sptr));
else if (CMEMFG(sptr) != CMEMLG(sptr))
A_MEMP(ast, SYMLKG(CMEMFG(sptr)));
else
A_MEMP(ast, CMEMFG(sptr));
}
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp endcritical> <opt csident> |
*/
case MP_STMT4:
ast = 0;
prev_doif = sem.doif_depth;
doif = leave_dir(DI_CRITICAL, FALSE, 0);
if (SST_IDG(RHS(2)))
nmptr = scn.id.name + SST_SYMG(RHS(2));
else
nmptr = NULL;
sptr = 0;
if (DI_ID(prev_doif) == DI_CRITICAL) {
sptr = DI_CRITSYM(prev_doif);
if (sptr) {
if (nmptr == NULL)
error(155, 3, gbl.lineno,
"CRITICAL is named, matching ENDCRITICAL is not -",
SYMNAME(sptr) + get_csect_pfxlen());
else if (strcmp(nmptr, SYMNAME(sptr) + get_csect_pfxlen()) != 0)
error(155, 3, gbl.lineno,
"CRITICAL and ENDCRITICAL names must be the same -", nmptr);
} else if (nmptr != NULL)
error(155, 3, gbl.lineno,
"ENDCRITICAL is named, matching CRITICAL is not -", nmptr);
else
sptr = get_csect_sym("unspc");
}
if (doif && sptr) {
ast = mk_stmt(A_MP_ENDCRITICAL, 0);
A_LOPP(DI_BEGINP(doif), ast);
A_LOPP(ast, DI_BEGINP(doif));
if (!XBIT(69, 0x100))
A_MEMP(ast, CMEMFG(sptr));
else if (CMEMFG(sptr) != CMEMLG(sptr))
A_MEMP(ast, SYMLKG(CMEMFG(sptr)));
else
A_MEMP(ast, CMEMFG(sptr));
}
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <single begin> <opt par list> |
*/
case MP_STMT5:
ast = 0;
clause_errchk(BT_SINGLE, "OMP SINGLE");
doif = SST_CVALG(RHS(1));
if (doif) {
ast = mk_stmt(A_MP_SINGLE, 0);
DI_BEGINP(doif) = ast;
(void)add_stmt(ast);
ast = 0;
}
par_push_scope(TRUE);
begin_parallel_clause(sem.doif_depth);
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp endsingle> <opt endsingle list> |
*/
case MP_STMT6:
ast = 0;
end_parallel_clause(sem.doif_depth);
doif = leave_dir(DI_SINGLE, TRUE, 2);
if (doif) {
ast = mk_stmt(A_MP_ENDSINGLE, 0);
A_LOPP(DI_BEGINP(doif), ast);
A_LOPP(ast, DI_BEGINP(doif));
if (CL_PRESENT(CL_NOWAIT) && CL_PRESENT(CL_COPYPRIVATE)) {
error(155, 3, gbl.lineno,
"NOWAIT and COPYPRIVATE are mutually exclusive", NULL);
}
if (CL_PRESENT(CL_COPYPRIVATE)) {
for (itemp = (ITEM *)CL_FIRST(CL_COPYPRIVATE); itemp != ITEM_END;
itemp = itemp->next) {
sptr = itemp->t.sptr;
if (sptr == 0)
continue;
if (STYPEG(sptr) == ST_CMBLK) {
if (CMEMFG(sptr) == 0) {
error(38, 3, gbl.lineno, SYMNAME(sptr), NULL);
}
} else if (!DCLDG(sptr)) {
error(38, 3, gbl.lineno, SYMNAME(sptr), NULL);
}
}
}
/* Handle if no wait is not set, which means we wait... barrier */
if (!CL_PRESENT(CL_NOWAIT)) {
(void)add_stmt(ast);
if (CL_PRESENT(CL_COPYPRIVATE)) /* kmpc copypriv will barrier for us */
ast = 0;
else
ast = mk_stmt(A_MP_BARRIER, 0);
}
do_copyprivate();
}
par_pop_scope();
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <pdo begin> <opt par list> |
*/
case MP_STMT7:
clause_errchk(BT_PDO, "OMP DO");
do_schedule(SST_CVALG(RHS(1)));
sem.expect_do = TRUE;
get_stblk_uplevel_sptr();
par_push_scope(TRUE);
get_stblk_uplevel_sptr();
begin_parallel_clause(sem.doif_depth);
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <mp endpdo> <opt nowait> |
*/
case MP_STMT8:
ast = 0;
doif = leave_dir(DI_PDO, FALSE, 0);
if (doif) {
if (!CL_PRESENT(CL_NOWAIT)) {
ast = mk_stmt(A_MP_BARRIER, 0);
} else {
/* check if cancel construct is present */
ast = DI_BEGINP(doif);
if (A_ENDLABG(ast)) {
error(155, 3, gbl.lineno,
"OMP DO that is canceled must not have an nowait clause", NULL);
}
}
}
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp barrier> |
*/
case MP_STMT9:
ast = 0;
check_barrier();
ast = mk_stmt(A_MP_BARRIER, 0);
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp master> |
*/
case MP_STMT10:
ast = 0;
doif = enter_dir(DI_MASTER, TRUE, 1,
DI_B(DI_PDO) | DI_B(DI_PARDO) | DI_B(DI_DOACROSS) |
DI_B(DI_PARSECTS) | DI_B(DI_SECTS) | DI_B(DI_SINGLE) |
DI_B(DI_TASK) | DI_B(DI_ATOMIC_CAPTURE) |
DI_B((DI_SIMD | DI_PDO)) | DI_B((DI_PARDO | DI_SIMD)));
if (doif) {
ast = mk_stmt(A_MP_MASTER, 0);
DI_BEGINP(doif) = ast;
}
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp endmaster> |
*/
case MP_STMT11:
ast = 0;
doif = leave_dir(DI_MASTER, TRUE, 1);
if (doif) {
ast = mk_stmt(A_MP_ENDMASTER, 0);
A_LOPP(DI_BEGINP(doif), ast);
A_LOPP(ast, DI_BEGINP(doif));
}
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp atomic begin> <opt atomic type>
*/
case MP_STMT12:
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <doacross begin> <opt par list> |
*/
case MP_STMT13:
clause_errchk(BT_DOACROSS, "SMP DOACROSS");
do_schedule(SST_CVALG(RHS(1)));
sem.expect_do = TRUE;
mp_create_bscope(0);
DI_BPAR(sem.doif_depth) = emit_bpar();
par_push_scope(FALSE);
begin_parallel_clause(sem.doif_depth);
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <paralleldo begin> <opt par list> |
*/
case MP_STMT14:
clause_errchk(BT_PARDO, "OMP PARALLEL DO");
do_schedule(SST_CVALG(RHS(1)));
sem.expect_do = TRUE;
mp_create_bscope(0);
DI_BPAR(sem.doif_depth) = emit_bpar();
par_push_scope(FALSE);
begin_parallel_clause(sem.doif_depth);
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <mp endpardo> |
*/
case MP_STMT15:
(void)leave_dir(DI_PARDO, FALSE, 0);
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <parallelsections begin> <opt par list> |
*/
case MP_STMT16:
ast = 0;
clause_errchk(BT_PARSECTS, "OMP PARALLEL SECTIONS");
doif = SST_CVALG(RHS(1));
mp_create_bscope(0);
DI_BPAR(sem.doif_depth) = emit_bpar();
par_push_scope(FALSE);
if (doif && sem.parallel <= 1) {
/* only distribute the work if in the outermost
* parallel region or not in a parallel region.
*/
DI_SECT_CNT(doif) = 0;
ast = mk_stmt(A_MP_SECTIONS, 0);
A_ENDLABP(ast, 0);
DI_BEGINP(doif) = ast;
(void)add_stmt(ast);
begin_parallel_clause(sem.doif_depth);
if (DI_LASTPRIVATE(doif)) {
sptr = get_itemp(DT_INT4);
ENCLFUNCP(sptr, BLK_SYM(sem.scope_level));
DI_SECT_VAR(doif) = sptr;
assign_cval(sptr, -1, DT_INT4);
}
/* implied section - empty if there is no code */
ast = mk_stmt(A_MP_SECTION, 0);
(void)add_stmt(ast);
if (DI_LASTPRIVATE(doif)) {
sptr = get_itemp(DT_INT4);
ENCLFUNCP(sptr, BLK_SYM(sem.scope_level));
DI_SECT_VAR(doif) = sptr;
assign_cval(sptr, DI_SECT_CNT(doif), DT_INT4);
}
ast = 0;
}
SST_ASTP(LHS, ast);
break;
/*
* <mp stmt> ::= <mp endparsections> |
*/
case MP_STMT17:
prev_doif = sem.doif_depth;
doif = leave_dir(DI_PARSECTS, TRUE, 0);
if (doif && sem.parallel <= 1) {
/* create fake section */
ast = mk_stmt(A_MP_LSECTION, 0);
(void)add_stmt(ast);
end_parallel_clause(prev_doif);
/* only distribute the work if in the outermost
* parallel region or not in a parallel region.
*/
ast = mk_stmt(A_MP_ENDSECTIONS, 0);
A_LOPP(DI_BEGINP(doif), ast);
A_LOPP(ast, DI_BEGINP(doif));
(void)add_stmt(ast);
}
--sem.parallel;
par_pop_scope();
ast = emit_epar();
mp_create_escope();
A_LOPP(DI_BPAR(prev_doif), ast);
A_LOPP(ast, DI_BPAR(prev_doif));
SST_ASTP(LHS, 0);
break;
/*
* <mp stmt> ::= <sections begin> <opt par list> |
*/
case MP_STMT18:
ast = 0;
clause_errchk(BT_SECTS, "OMP SECTION");
doif = SST_CVALG(RHS(1));
par_push_scope(TRUE);
if (doif && sem.parallel <= 1) {
/* only distribute the work if in the outermost
* parallel region or not in a parallel region.
*/
DI_SECT_CNT(doif) = 0;
ast = mk_stmt(A_MP_SECTIONS, 0);
A_ENDLABP(ast, 0);
DI_BEGINP(doif) = ast;
(void)add_stmt(ast);
begin_parallel_clause(sem.doif_depth);
ast = 0;
if (DI_LASTPRIVATE(doif)) {
sptr = get_itemp(DT_INT4);
ENCLFUNCP(sptr, BLK_SYM(sem.scope_level));
DI_SECT_VAR(doif) = sptr;
assign_cval(sptr, -1, DT_INT4);