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Split hardware optimization flags

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This commit is contained in:
Dino Kovač
2022-07-05 19:43:11 +02:00
parent 6064bc6c06
commit 7984270453
2 changed files with 33 additions and 97 deletions
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29
configure.ac
View File

@@ -92,18 +92,23 @@ case "$host_cpu" in
;; ;;
esac esac
AC_ARG_ENABLE([hardware-optimizations], AC_ARG_ENABLE([neon],
AS_HELP_STRING([[[--disable-hardware-optimizations]]], AS_HELP_STRING([[[--disable-neon]]],
[Disable hardware optimizations (Intel SSE2 / ARM NEON)]), [Disable ARM NEON hardware optimizations]),
[ [
# disable hardware optimization on all systems: enable_arm_neon=no
enable_arm_neon=no AC_DEFINE([ARM_NEON], [0],
AC_DEFINE([ARM_NEON], [0], [Disable ARM_NEON optimizations])
[Disable ARM_NEON optimizations]) ])
enable_intel_sse=no
AC_DEFINE([INTEL_SSE], [0], AC_ARG_ENABLE([sse2],
[Disable INTEL_SSE optimizations]) AS_HELP_STRING([[[--disable-sse2]]],
]) [Disable Intel SSE2 hardware optimizations]),
[
enable_intel_sse=no
AC_DEFINE([INTEL_SSE], [0],
[Disable INTEL_SSE optimizations])
])
SIMDFLAGS="" SIMDFLAGS=""

101
windows/configure.ac
View File

@@ -92,92 +92,23 @@ case "$host_cpu" in
;; ;;
esac esac
AC_ARG_ENABLE([hardware-optimizations], AC_ARG_ENABLE([neon],
AS_HELP_STRING([[[--disable-hardware-optimizations]]], AS_HELP_STRING([[[--disable-neon]]],
[Disable hardware optimizations (Intel SSE2 / ARM NEON)]), [Disable ARM NEON hardware optimizations]),
[ [
# disable hardware optimization on all systems: enable_arm_neon=no
enable_arm_neon=no AC_DEFINE([ARM_NEON], [0],
AC_DEFINE([ARM_NEON], [0], [Disable ARM_NEON optimizations])
[Disable ARM_NEON optimizations]) ])
enable_intel_sse=no
AC_DEFINE([INTEL_SSE], [0],
[Disable INTEL_SSE optimizations])
])
# INTEL AC_ARG_ENABLE([sse2],
# ===== AS_HELP_STRING([[[--disable-sse2]]],
# [Disable Intel SSE2 hardware optimizations]),
# INTEL SSE (SIMD) support. [
enable_intel_sse=no
AC_ARG_ENABLE([intel-sse], AC_DEFINE([INTEL_SSE], [0],
AS_HELP_STRING([[[--enable-intel-sse]]], [Disable INTEL_SSE optimizations])
[Enable Intel SSE optimizations: =no/off, yes/on:] ])
[no/off: disable the optimizations;]
[yes/on: enable the optimizations.]
[If not specified: determined by the compiler.]),
[case "$enableval" in
no|off)
# disable the default enabling:
AC_DEFINE([INTEL_SSE], [0],
[Disable Intel SSE optimizations])
# Prevent inclusion of the assembler files below:
enable_intel_sse=no;;
yes|on)
enable_intel_sse=yes
AC_DEFINE([INTEL_SSE], [1],
[Enable Intel SSE optimizations]);;
*)
AC_MSG_ERROR([--enable-intel-sse=${enable_intel_sse}: invalid value])
esac])
# Add Intel specific files to all builds where the host_cpu is Intel ('x86*')
# or where Intel optimizations were explicitly requested (this allows a
# fallback if a future host CPU does not match 'x86*')
AM_CONDITIONAL([INTEL_SSE],
[test "$enable_intel_sse" != 'no' &&
case "$host_cpu" in
i?86|x86_64) :;;
*) test "$enable_intel_sse" != '';;
esac])
# ARM
# ===
#
# ARM NEON (SIMD) support.
AC_ARG_ENABLE([arm-neon],
AS_HELP_STRING([[[--enable-arm-neon]]],
[Enable ARM NEON optimizations: =no/off, check, api, yes/on:]
[no/off: disable the optimizations; check: use internal checking code]
[(deprecated and poorly supported); api: disable by default, enable by]
[a call to png_set_option; yes/on: turn on unconditionally.]
[If not specified: determined by the compiler.]),
[case "$enableval" in
no|off)
# disable the default enabling on __ARM_NEON__ systems:
AC_DEFINE([ARM_NEON], [0],
[Disable ARM Neon optimizations])
# Prevent inclusion of the assembler files below:
enable_arm_neon=no;;
yes|on)
enable_arm_neon=yes
AC_DEFINE([ARM_NEON], [1],
[Enable ARM Neon optimizations]);;
*)
AC_MSG_ERROR([--enable-arm-neon=${enable_arm_neon}: invalid value])
esac])
# Add ARM specific files to all builds where the host_cpu is arm ('arm*') or
# where ARM optimizations were explicitly requested (this allows a fallback if a
# future host CPU does not match 'arm*')
AM_CONDITIONAL([ARM_NEON],
[test "$enable_arm_neon" != 'no' &&
case "$host_cpu" in
arm*|aarch64*) :;;
*) test "$enable_arm_neon" != '';;
esac])
SIMDFLAGS="" SIMDFLAGS=""