vect.exp

来自「用于进行gcc测试」· EXP 代码 · 共 140 行

#   Copyright (C) 2004, 2007 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.

# There's a bunch of headers we need.
if [is_remote host] {
    foreach header [glob -nocomplain $srcdir/$subdir/*.{h,def} ] {
        remote_download host $header
    }
}

# Load support procs.
load_lib g++-dg.exp
load_lib target-supports.exp

# If the target system supports vector instructions, the default action
# for a test is 'run', otherwise it's 'compile'.  Save current default.
# Executing vector instructions on a system without hardware vector support
# is also disabled by a call to check_vect, but disabling execution here is
# more efficient.
global dg-do-what-default
set save-dg-do-what-default ${dg-do-what-default}

# Set up flags used for tests that don't specify options.
set DEFAULT_VECTCFLAGS ""

# These flags are used for all targets.
lappend DEFAULT_VECTCFLAGS "-O2" "-ftree-vectorize" "-fno-vect-cost-model" \
  "-ftree-vectorizer-verbose=4" "-fdump-tree-vect-stats"

# Skip these tests for targets that do not support generating vector
# code.  Set additional target-dependent vector flags, which can be
# overridden by using dg-options in individual tests.
if  [istarget "powerpc-*paired*"]  {
   lappend DEFAULT_VECTCFLAGS "-mpaired"
    if [check_750cl_hw_available] {
        set dg-do-what-default run 
    } else {
        set dg-do-what-default compile
    }
} elseif [istarget "powerpc*-*-*"] {
    # Skip targets not supporting -maltivec.
    if ![is-effective-target powerpc_altivec_ok] {
	return
    }

    lappend DEFAULT_VECTCFLAGS "-maltivec"
    if [check_vmx_hw_available] {
	set dg-do-what-default run
    } else {
	if [is-effective-target ilp32] {
	    # Specify a cpu that supports VMX for compile-only tests.
	    lappend DEFAULT_VECTCFLAGS "-mcpu=970"
	}
	set dg-do-what-default compile
    }
} elseif { [istarget  "spu-*-*"] } {
   set dg-do-what-default run
} elseif { [istarget "i?86-*-*"] || [istarget "x86_64-*-*"] } {
    lappend DEFAULT_VECTCFLAGS "-msse2"
    if [check_sse2_hw_available] {
	set dg-do-what-default run
    } else {
	set dg-do-what-default compile
    }
} elseif { [istarget "mips*-*-*"]
	   && [check_effective_target_mpaired_single]
	   && [check_effective_target_nomips16] } {
    lappend DEFAULT_VECTCFLAGS "-mpaired-single"
    set dg-do-what-default run
} elseif [istarget "sparc*-*-*"] {
    lappend DEFAULT_VECTCFLAGS "-mcpu=ultrasparc" "-mvis"
    if [check_effective_target_ultrasparc_hw] {
	set dg-do-what-default run
    } else {
	set dg-do-what-default compile
    }
} elseif [istarget "alpha*-*-*"] {
    # Alpha's vectorization capabilities are extremely limited.
    # It's more effort than its worth disabling all of the tests
    # that it cannot pass.  But if you actually want to see what
    # does work, command out the return.
    return

    lappend DEFAULT_VECTCFLAGS "-mmax"
    if [check_alpha_max_hw_available] {
	set dg-do-what-default run
    } else {
	set dg-do-what-default compile
    }
} elseif [istarget "ia64-*-*"] {
    set dg-do-what-default run
} elseif [is-effective-target arm_neon_ok] {
    lappend DEFAULT_VECTCFLAGS "-mfpu=neon" "-mfloat-abi=softfp"
    if [is-effective-target arm_neon_hw] {
      set dg-do-what-default run
    } else {
      set dg-do-what-default compile
    }
} else {
    return
}

# Initialize `dg'.
dg-init

# Main loop.
dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{c,cc,S} ]] \
        "" $DEFAULT_VECTCFLAGS

#### Tests with special options
global SAVED_DEFAULT_VECTCFLAGS
set SAVED_DEFAULT_VECTCFLAGS $DEFAULT_VECTCFLAGS
    
# --param max-aliased-vops=0
set DEFAULT_VECTCFLAGS $SAVED_DEFAULT_VECTCFLAGS
lappend DEFAULT_VECTCFLAGS "--param max-aliased-vops=0"
dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/param-max-aliased*.\[cS\]]]  \
        "" $DEFAULT_VECTCFLAGS 

# Clean up.
set dg-do-what-default ${save-dg-do-what-default} 

# All done.
dg-finish