diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/ax_gcc_x86_avx_xgetbv.m4 | 79 | ||||
| -rw-r--r-- | config/ax_gcc_x86_cpuid.m4 | 79 | ||||
| -rw-r--r-- | config/ax_sse.m4 | 6 |
3 files changed, 0 insertions, 164 deletions
diff --git a/config/ax_gcc_x86_avx_xgetbv.m4 b/config/ax_gcc_x86_avx_xgetbv.m4 deleted file mode 100644 index 0624eeb..0000000 --- a/config/ax_gcc_x86_avx_xgetbv.m4 +++ /dev/null @@ -1,79 +0,0 @@ -# =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_gcc_x86_avx_xgetbv.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_GCC_X86_AVX_XGETBV -# -# DESCRIPTION -# -# On later x86 processors with AVX SIMD support, with gcc or a compiler -# that has a compatible syntax for inline assembly instructions, run a -# small program that executes the xgetbv instruction with input OP. This -# can be used to detect if the OS supports AVX instruction usage. -# -# On output, the values of the eax and edx registers are stored as -# hexadecimal strings as "eax:edx" in the cache variable -# ax_cv_gcc_x86_avx_xgetbv. -# -# If the xgetbv instruction fails (because you are running a -# cross-compiler, or because you are not using gcc, or because you are on -# a processor that doesn't have this instruction), -# ax_cv_gcc_x86_avx_xgetbv_OP is set to the string "unknown". -# -# This macro mainly exists to be used in AX_EXT. -# -# LICENSE -# -# Copyright (c) 2013 Michael Petch <mpetch@capp-sysware.com> -# -# 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 this program. If not, see <http://www.gnu.org/licenses/>. -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. - -#serial 1 - -AC_DEFUN([AX_GCC_X86_AVX_XGETBV], -[AC_REQUIRE([AC_PROG_CC]) -AC_LANG_PUSH([C]) -AC_CACHE_CHECK(for x86-AVX xgetbv $1 output, ax_cv_gcc_x86_avx_xgetbv_$1, - [AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [ - int op = $1, eax, edx; - FILE *f; - /* Opcodes for xgetbv */ - __asm__(".byte 0x0f, 0x01, 0xd0" - : "=a" (eax), "=d" (edx) - : "c" (op)); - f = fopen("conftest_xgetbv", "w"); if (!f) return 1; - fprintf(f, "%x:%x\n", eax, edx); - fclose(f); - return 0; -])], - [ax_cv_gcc_x86_avx_xgetbv_$1=`cat conftest_xgetbv`; rm -f conftest_xgetbv], - [ax_cv_gcc_x86_avx_xgetbv_$1=unknown; rm -f conftest_xgetbv], - [ax_cv_gcc_x86_avx_xgetbv_$1=unknown])]) -AC_LANG_POP([C]) -]) diff --git a/config/ax_gcc_x86_cpuid.m4 b/config/ax_gcc_x86_cpuid.m4 deleted file mode 100644 index 7d46fee..0000000 --- a/config/ax_gcc_x86_cpuid.m4 +++ /dev/null @@ -1,79 +0,0 @@ -# =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_gcc_x86_cpuid.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_GCC_X86_CPUID(OP) -# -# DESCRIPTION -# -# On Pentium and later x86 processors, with gcc or a compiler that has a -# compatible syntax for inline assembly instructions, run a small program -# that executes the cpuid instruction with input OP. This can be used to -# detect the CPU type. -# -# On output, the values of the eax, ebx, ecx, and edx registers are stored -# as hexadecimal strings as "eax:ebx:ecx:edx" in the cache variable -# ax_cv_gcc_x86_cpuid_OP. -# -# If the cpuid instruction fails (because you are running a -# cross-compiler, or because you are not using gcc, or because you are on -# a processor that doesn't have this instruction), ax_cv_gcc_x86_cpuid_OP -# is set to the string "unknown". -# -# This macro mainly exists to be used in AX_GCC_ARCHFLAG. -# -# LICENSE -# -# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> -# Copyright (c) 2008 Matteo Frigo -# -# 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 this program. If not, see <http://www.gnu.org/licenses/>. -# -# As a special exception, the respective Autoconf Macro's copyright owner -# gives unlimited permission to copy, distribute and modify the configure -# scripts that are the output of Autoconf when processing the Macro. You -# need not follow the terms of the GNU General Public License when using -# or distributing such scripts, even though portions of the text of the -# Macro appear in them. The GNU General Public License (GPL) does govern -# all other use of the material that constitutes the Autoconf Macro. -# -# This special exception to the GPL applies to versions of the Autoconf -# Macro released by the Autoconf Archive. When you make and distribute a -# modified version of the Autoconf Macro, you may extend this special -# exception to the GPL to apply to your modified version as well. - -#serial 7 - -AC_DEFUN([AX_GCC_X86_CPUID], -[AC_REQUIRE([AC_PROG_CC]) -AC_LANG_PUSH([C]) -AC_CACHE_CHECK(for x86 cpuid $1 output, ax_cv_gcc_x86_cpuid_$1, - [AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [ - int op = $1, eax, ebx, ecx, edx; - FILE *f; - __asm__("cpuid" - : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) - : "a" (op)); - f = fopen("conftest_cpuid", "w"); if (!f) return 1; - fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx); - fclose(f); - return 0; -])], - [ax_cv_gcc_x86_cpuid_$1=`cat conftest_cpuid`; rm -f conftest_cpuid], - [ax_cv_gcc_x86_cpuid_$1=unknown; rm -f conftest_cpuid], - [ax_cv_gcc_x86_cpuid_$1=unknown])]) -AC_LANG_POP([C]) -]) diff --git a/config/ax_sse.m4 b/config/ax_sse.m4 index cf363a4..5c4e321 100644 --- a/config/ax_sse.m4 +++ b/config/ax_sse.m4 @@ -42,12 +42,6 @@ AC_DEFUN([AX_SSE], case $host_cpu in i[[3456]]86*|x86_64*|amd64*) - - AC_REQUIRE([AX_GCC_X86_CPUID]) - AC_REQUIRE([AX_GCC_X86_AVX_XGETBV]) - - AX_GCC_X86_CPUID(0x00000001) - AX_CHECK_COMPILE_FLAG(-msse3, ax_cv_support_sse3_ext=yes, []) if test x"$ax_cv_support_sse3_ext" = x"yes"; then SIMD_FLAGS="$SIMD_FLAGS -msse3" |