# Copyright (C) 2007-2021 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# GCC testsuite that uses the `dg.exp' driver.

# Exit immediately if this isn't an arc target.
if ![istarget arc*-*-*] then {
  return
}

# Load support procs.
load_lib gcc-dg.exp

# Return 1 if this is a compiler supporting ARCv2 EM as default processor
proc check_effective_target_arcem { } {
    return [check_no_compiler_messages arcem assembly {
	#if !defined(__ARCEM__)
	#error No ARC EM
	#endif
    }]
}

# Return 1 if we compile for ARC700
proc check_effective_target_arc700 { } {
    return [check_no_compiler_messages arc700 assembly {
	#if !defined(__ARC700__)
	#error No ARC 700
	#endif
    }]
}

# Return 1 if we compile for ARC6xx
proc check_effective_target_arc6xx { } {
    return [check_no_compiler_messages arc6xx assembly {
	#if !defined(__ARC600__) && !defined(__ARC601__)
	#error No ARC 6xx
	#endif
    }]
}

# Return 1 if we have mpy
proc check_effective_target_arcmpy { } {
    return [check_no_compiler_messages arcmpy assembly {
	#if !defined(__ARC_MPY__)
	#error No MPY
	#endif
    }]
}

# Return 1 if this is a compiler supporting ARC HS as default processor
proc check_effective_target_archs { } {
    return [check_no_compiler_messages archs assembly {
	#if !defined(__ARCHS__)
	#error No ARC HS
	#endif
    }]
}

proc check_cl { flags } {
    return [check_no_compiler_messages check_$flags assembly {
	#if !defined(__arc__)
	#error Extra mcpu options
	#endif
    } "$flags"]
}

# Return 1 if there are no extra mcpu options given via command line
proc check_effective_target_clmcpu { } {
    if { [check_cl "-mcpu=arc700"]
	 && [check_cl "-mcpu=arcem" ] } {
	return 1
    }
    return 0
}

proc check_effective_target_barrelshifter { } {
    return [check_no_compiler_messages barrelshifter assembly {
	#if !defined(__ARC_BARREL_SHIFTER__)
	#error No barrel shifter for this confi
	#endif
    }]
}

#return 1 if we have code density option on.
proc check_effective_target_codedensity { } {
    return [check_no_compiler_messages codedensity assembly {
        #if !defined(__ARC_CODE_DENSITY__)
        #error No code density option for this config
        #endif
    }]
}


#return 1 if we use ARCv2 Accumulator registers
proc check_effective_target_accregs { } {
    return [check_no_compiler_messages accregs assembly {
	#if !defined(__ARC_MPY_DMPY__) \
	     && !defined(__ARC_MPY_MACD__) && !defined(__ARC_MPY_QMACW__)
	#error No accumulator available for this config
	#endif
    }]
}

proc check_effective_target_dpfp { } {
    return [check_no_compiler_messages dpfp assembly {
	#if !defined(__ARC_FPX_DP__) && !defined(__ARC_FPU_ASSIST__)
	#error No FPX available for this config
	#endif
    }]
}

# Return 1 if this is a compiler supporting LL64 option.
proc check_effective_target_ll64 { } {
    return [check_no_compiler_messages ll64 assembly {
	#if !defined(__ARC_LL64__)
	#error No ARC LL64
	#endif
    }]
}

# If a testcase doesn't have special options, use these.
global DEFAULT_CFLAGS
if ![info exists DEFAULT_CFLAGS] then {
    set DEFAULT_CFLAGS " -ansi -pedantic-errors"
}

# Initialize `dg'.
dg-init

# Main loop.
dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{\[cS\],cpp}]] \
	"" $DEFAULT_CFLAGS

# All done.
dg-finish