gcc.target/i386/i386.exp

# Copyright (C) 1997-2013 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 a x86 target.
if { ![istarget i?86*-*-*] && ![istarget x86_64-*-*] } then {
  return
}

# Load support procs.
load_lib gcc-dg.exp

# Return 1 if attribute ms_hook_prologue is supported.
proc check_effective_target_ms_hook_prologue { } {
    if { [check_no_compiler_messages ms_hook_prologue object {
	     void __attribute__ ((__ms_hook_prologue__)) foo ();
	 } ""] } {
	return 1
    } else {
	return 0
    }
}

# Return 1 if 3dnow instructions can be compiled.
proc check_effective_target_3dnow { } {
    return [check_no_compiler_messages 3dnow object {
	typedef int __m64 __attribute__ ((__vector_size__ (8)));
	typedef float __v2sf __attribute__ ((__vector_size__ (8)));

	__m64 _m_pfadd (__m64 __A, __m64 __B)
	{
	    return (__m64) __builtin_ia32_pfadd ((__v2sf)__A, (__v2sf)__B);
	}
    } "-O2 -m3dnow" ]
}

# Return 1 if sse3 instructions can be compiled.
proc check_effective_target_sse3 { } {
    return [check_no_compiler_messages sse3 object {
	typedef double __m128d __attribute__ ((__vector_size__ (16)));
	typedef double __v2df __attribute__ ((__vector_size__ (16)));

	__m128d _mm_addsub_pd (__m128d __X, __m128d __Y)
	{
	    return (__m128d) __builtin_ia32_addsubpd ((__v2df)__X, (__v2df)__Y);
	}
    } "-O2 -msse3" ]
}

# Return 1 if ssse3 instructions can be compiled.
proc check_effective_target_ssse3 { } {
    return [check_no_compiler_messages ssse3 object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef int __v4si __attribute__ ((__vector_size__ (16)));

	__m128i _mm_abs_epi32 (__m128i __X)
	{
	    return (__m128i) __builtin_ia32_pabsd128 ((__v4si)__X);
	}
    } "-O2 -mssse3" ]
}

# Return 1 if sse4 instructions can be compiled.
proc check_effective_target_sse4 { } {
    return [check_no_compiler_messages sse4.1 object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef int __v4si __attribute__ ((__vector_size__ (16)));

	__m128i _mm_mullo_epi32 (__m128i __X, __m128i __Y)
	{
	    return (__m128i) __builtin_ia32_pmulld128 ((__v4si)__X,
						       (__v4si)__Y);
	}
    } "-O2 -msse4.1" ]
}

# Return 1 if aes instructions can be compiled.
proc check_effective_target_aes { } {
    return [check_no_compiler_messages aes object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef long long __v2di __attribute__ ((__vector_size__ (16)));

	__m128i _mm_aesimc_si128 (__m128i __X)
	{
	    return (__m128i) __builtin_ia32_aesimc128 ((__v2di)__X);
	}
    } "-O2 -maes" ]
}

# Return 1 if vaes instructions can be compiled.
proc check_effective_target_vaes { } {
    return [check_no_compiler_messages vaes object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef long long __v2di __attribute__ ((__vector_size__ (16)));

	__m128i _mm_aesimc_si128 (__m128i __X)
	{
	    return (__m128i) __builtin_ia32_aesimc128 ((__v2di)__X);
	}
    } "-O2 -maes -mavx" ]
}

# Return 1 if pclmul instructions can be compiled.
proc check_effective_target_pclmul { } {
    return [check_no_compiler_messages pclmul object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef long long __v2di __attribute__ ((__vector_size__ (16)));

	__m128i pclmulqdq_test (__m128i __X, __m128i __Y)
	{
	    return (__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)__X,
							  (__v2di)__Y,
							  1);
	}
    } "-O2 -mpclmul" ]
}

# Return 1 if vpclmul instructions can be compiled.
proc check_effective_target_vpclmul { } {
    return [check_no_compiler_messages vpclmul object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef long long __v2di __attribute__ ((__vector_size__ (16)));

	__m128i pclmulqdq_test (__m128i __X, __m128i __Y)
	{
	    return (__m128i) __builtin_ia32_pclmulqdq128 ((__v2di)__X,
							  (__v2di)__Y,
							  1);
	}
    } "-O2 -mpclmul -mavx" ]
}

# Return 1 if sse4a instructions can be compiled.
proc check_effective_target_sse4a { } {
    return [check_no_compiler_messages sse4a object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef long long __v2di __attribute__ ((__vector_size__ (16)));

	__m128i _mm_insert_si64 (__m128i __X,__m128i __Y)
	{
	    return (__m128i) __builtin_ia32_insertq ((__v2di)__X, (__v2di)__Y);
	}
    } "-O2 -msse4a" ]
}

# Return 1 if fma4 instructions can be compiled.
proc check_effective_target_fma4 { } {
    return [check_no_compiler_messages fma4 object {
        typedef float __m128 __attribute__ ((__vector_size__ (16)));
	typedef float __v4sf __attribute__ ((__vector_size__ (16)));
	__m128 _mm_macc_ps(__m128 __A, __m128 __B, __m128 __C)
	{
	    return (__m128) __builtin_ia32_vfmaddps ((__v4sf)__A,
						     (__v4sf)__B,
						     (__v4sf)__C);
	}
    } "-O2 -mfma4" ]
}

# Return 1 if fma instructions can be compiled.
proc check_effective_target_fma { } {
    return [check_no_compiler_messages fma object {
        typedef float __m128 __attribute__ ((__vector_size__ (16)));
	typedef float __v4sf __attribute__ ((__vector_size__ (16)));
	__m128 _mm_macc_ps(__m128 __A, __m128 __B, __m128 __C)
	{
	    return (__m128) __builtin_ia32_vfmaddps ((__v4sf)__A,
						     (__v4sf)__B,
						     (__v4sf)__C);
	}
    } "-O2 -mfma" ]
}

# Return 1 if xop instructions can be compiled.
proc check_effective_target_xop { } {
    return [check_no_compiler_messages xop object {
	typedef long long __m128i __attribute__ ((__vector_size__ (16)));
	typedef short __v8hi __attribute__ ((__vector_size__ (16)));
	__m128i _mm_maccs_epi16(__m128i __A, __m128i __B, __m128i __C)
	{
	    return (__m128i) __builtin_ia32_vpmacssww ((__v8hi)__A,
						       (__v8hi)__B,
						       (__v8hi)__C);
	}
    } "-O2 -mxop" ]
}

# Return 1 if lzcnt instruction can be compiled.
proc check_effective_target_lzcnt { } {
    return [check_no_compiler_messages lzcnt object {
	unsigned short _lzcnt (unsigned short __X)
	{
	   return __builtin_clzs (__X);
	}
    } "-mlzcnt" ]
}

# Return 1 if avx2 instructions can be compiled.
proc check_effective_target_avx2 { } {
    return [check_no_compiler_messages avx2 object {
	typedef long long __v4di __attribute__ ((__vector_size__ (32)));
	__v4di
	mm256_is32_andnotsi256  (__v4di __X, __v4di __Y)
        {
	   return __builtin_ia32_andnotsi256 (__X, __Y);
	}
    } "-O0 -mavx2" ]
}

# Return 1 if bmi instructions can be compiled.
proc check_effective_target_bmi { } {
    return [check_no_compiler_messages bmi object {
	unsigned int __bextr_u32 (unsigned int __X, unsigned int __Y)
	{
	  return __builtin_ia32_bextr_u32 (__X, __Y);
	}
    } "-mbmi" ]
}

# Return 1 if bmi2 instructions can be compiled.
proc check_effective_target_bmi2 { } {
    return [check_no_compiler_messages bmi2 object {
	unsigned int
	_bzhi_u32 (unsigned int __X, unsigned int __Y)
	{
	    return __builtin_ia32_bzhi_si (__X, __Y);
	}
    } "-mbmi2" ]
}

# Return 1 if ADX instructions can be compiled.
proc check_effective_target_adx { } {
    return [check_no_compiler_messages adx object {
	unsigned char
	_adxcarry_u32 (unsigned char __CF, unsigned int __X,
		   unsigned int __Y, unsigned int *__P)
	{
	    return __builtin_ia32_addcarryx_u32 (__CF, __X, __Y, __P);
	}
    } "-madx" ]
}

# Return 1 if rtm instructions can be compiled.
proc check_effective_target_rtm { } {
    return [check_no_compiler_messages rtm object {
	void
	_rtm_xend (void)
	{
	    return __builtin_ia32_xend ();
	}
    } "-mrtm" ]
}

# If the linker used understands -M <mapfile>, pass it to clear hardware
# capabilities set by the Sun assembler.
# Try mapfile syntax v2 first which is the only way to clear hwcap_2 flags.
set clearcap_ldflags "-Wl,-M,$srcdir/$subdir/clearcapv2.map"

if ![check_no_compiler_messages mapfilev2 executable {
    int main (void) { return 0; }
} $clearcap_ldflags ] {
    # If this doesn't work, fall back to the less capable v1 syntax.
    set clearcap_ldflags "-Wl,-M,$srcdir/$subdir/clearcap.map"

    if ![check_no_compiler_messages mapfile executable {
	int main (void) { return 0; }
    } $clearcap_ldflags ] {
	unset clearcap_ldflags
    }
}

if [info exists clearcap_ldflags] {
  if { [info procs gcc_target_compile] != [list] \
	&& [info procs saved_gcc_target_compile] == [list] } {
    rename gcc_target_compile saved_gcc_target_compile

    proc gcc_target_compile { source dest type options } {
      global clearcap_ldflags
      # Always pass -Wl,-M,<mapfile>, but don't let it show up in gcc.sum.
      lappend options "additional_flags=$clearcap_ldflags"

      return [saved_gcc_target_compile $source $dest $type $options]
    }
  }
}

# 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

# Special case compilation of vect-args.c so we don't have to
# replicate it 10 times.
foreach type { "" -mmmx -m3dnow -msse -msse2 } {
  foreach level { "" -O } {
    set flags "$type $level"
    verbose -log "Testing vect-args, $flags" 1
    dg-test $srcdir/$subdir/vect-args.c $flags ""
  }
}

# Everything else.
set tests [lsort [glob -nocomplain $srcdir/$subdir/*.\[cS\]]]
set tests [prune $tests $srcdir/$subdir/vect-args.c]

# Main loop.
dg-runtest $tests "" $DEFAULT_CFLAGS

# All done.
dg-finish