libgomp/testsuite/libgomp.oacc-c/c.exp

   1 # This whole file adapted from libgomp.c/c.exp.
   2
   3 if [info exists lang_library_path] then {
   4     unset lang_library_path
   5     unset lang_link_flags
   6 }
   7 if [info exists lang_test_file] then {
   8     unset lang_test_file
   9 }
  10 if [info exists lang_include_flags] then {
  11     unset lang_include_flags
  12 }
  13
  14 load_lib libgomp-dg.exp
  15 load_gcc_lib gcc-dg.exp
  16 load_gcc_lib torture-options.exp
  17
  18 proc check_effective_target_c { } {
  19     return 1
  20 }
  21 proc check_effective_target_c++ { } {
  22     return 0
  23 }
  24
  25 # Initialize dg.
  26 dg-init
  27 torture-init
  28
  29 # Turn on OpenACC.
  30 lappend ALWAYS_CFLAGS "additional_flags=-fopenacc"
  31
  32 # Gather a list of all tests.
  33 set tests [lsort [concat \
  34                       [find $srcdir/$subdir *.c] \
  35                       [find $srcdir/$subdir/../libgomp.oacc-c-c++-common *.c]]]
  36
  37 set ld_library_path $always_ld_library_path
  38 append ld_library_path [gcc-set-multilib-library-path $GCC_UNDER_TEST]
  39 set_ld_library_path_env_vars
  40
  41 # Test OpenACC with available accelerators.
  42 set SAVE_ALWAYS_CFLAGS "$ALWAYS_CFLAGS"
  43 foreach offload_target_openacc $offload_targets_s_openacc {
  44     set ALWAYS_CFLAGS "$SAVE_ALWAYS_CFLAGS"
  45     set tagopt "-DACC_DEVICE_TYPE_$offload_target_openacc=1"
  46
  47     switch $offload_target_openacc {
  48         host {
  49             set acc_mem_shared 1
  50         }
  51         nvidia {
  52             if { ![check_effective_target_openacc_nvidia_accel_present] } {
  53                 # Don't bother; execution testing is going to FAIL.
  54                 untested "$subdir $offload_target_openacc offloading"
  55                 continue
  56             }
  57
  58             # Copy ptx file (TEMPORARY)
  59             remote_download host $srcdir/libgomp.oacc-c-c++-common/subr.ptx
  60
  61             # Where timer.h lives
  62             lappend ALWAYS_CFLAGS "additional_flags=-I${srcdir}/libgomp.oacc-c-c++-common"
  63
  64             set acc_mem_shared 0
  65         }
  66         default {
  67             set acc_mem_shared 0
  68         }
  69     }
  70     set tagopt "$tagopt -DACC_MEM_SHARED=$acc_mem_shared"
  71
  72     setenv ACC_DEVICE_TYPE $offload_target_openacc
  73
  74     # To get better test coverage for device-specific code that is only
  75     # ever used in offloading configurations, we'd like more thorough
  76     # testing for test cases that deal with offloading, which most of all
  77     # OpenACC test cases are.  We enable torture testing, but limit it to
  78     # -O0 and -O2 only, to avoid testing times exploding too much, under
  79     # the assumption that between -O0 and -O[something] there is the
  80     # biggest difference in the overall structure of the generated code.
  81     switch $offload_target_openacc {
  82         host {
  83             set-torture-options [list \
  84                                      { -O2 } ]
  85         }
  86         default {
  87             set-torture-options [list \
  88                                      { -O0 } \
  89                                      { -O2 } ]
  90         }
  91     }
  92
  93     gcc-dg-runtest $tests "$tagopt" ""
  94 }
  95
  96 # All done.
  97 torture-finish
  98 dg-finish