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mips: Wrap up the MIPS/Loongson port and acknowledge the contributors

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Completion of this port required a rerun of `./autogen.sh --maintainer`
followed by a rebuild of scripts/pnglibconf.h.prebuilt.
This commit is contained in:
Cosmin Truta
2024-01-17 23:24:05 +02:00
parent ce4b632dd7
commit a7fe3414e5
9 changed files with 338 additions and 44 deletions
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183
configure vendored
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@@ -663,10 +663,14 @@ ac_subst_vars='am__EXEEXT_FALSE
am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
PNG_LOONGARCH_LSX_FALSE
PNG_LOONGARCH_LSX_TRUE
PNG_POWERPC_VSX_FALSE
PNG_POWERPC_VSX_TRUE
PNG_INTEL_SSE_FALSE
PNG_INTEL_SSE_TRUE
PNG_MIPS_MMI_FALSE
PNG_MIPS_MMI_TRUE
PNG_MIPS_MSA_FALSE
PNG_MIPS_MSA_TRUE
PNG_ARM_NEON_FALSE
@@ -853,8 +857,10 @@ enable_unversioned_libpng_config
enable_hardware_optimizations
enable_arm_neon
enable_mips_msa
enable_mips_mmi
enable_intel_sse
enable_powerpc_vsx
enable_loongarch_lsx
'
ac_precious_vars='build_alias
host_alias
@@ -1559,6 +1565,13 @@ Optional Features:
call to png_set_option; yes/on: turn on
unconditionally. If not specified: determined by the
compiler.
--enable-mips-mmi Enable MIPS MMI 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.
--enable-intel-sse Enable Intel SSE optimizations: =no/off, yes/on:
no/off: disable the optimizations; yes/on: enable
the optimizations. If not specified: determined by
@@ -1569,6 +1582,11 @@ Optional Features:
default, enable by a call to png_set_option yes/on:
turn on unconditionally. If not specified:
determined by the compiler.
--enable-loongarch-lsx
Enable LOONGARCH LSX optimizations: =no/off, yes/on:
no/off: disable the optimizations; yes/on: turn on
unconditionally. If not specified: determined by the
compiler.
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
@@ -14098,6 +14116,10 @@ printf "%s\n" "#define PNG_ARM_NEON_OPT 0" >>confdefs.h
printf "%s\n" "#define PNG_MIPS_MSA_OPT 0" >>confdefs.h
enable_mips_mmi=no
printf "%s\n" "#define PNG_MIPS_MMI_OPT 0" >>confdefs.h
enable_powerpc_vsx=no
printf "%s\n" "#define PNG_POWERPC_VSX_OPT 0" >>confdefs.h
@@ -14106,6 +14128,10 @@ printf "%s\n" "#define PNG_POWERPC_VSX_OPT 0" >>confdefs.h
printf "%s\n" "#define PNG_INTEL_SSE_OPT 0" >>confdefs.h
enable_loongarch_lsx=no
printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 0" >>confdefs.h
;;
*)
# allow enabling hardware optimization on any system:
@@ -14117,8 +14143,12 @@ printf "%s\n" "#define PNG_ARM_NEON_OPT 2" >>confdefs.h
;;
mipsel*|mips64el*)
enable_mips_mmi=yes
enable_mips_msa=yes
printf "%s\n" "#define PNG_MIPS_MMI_OPT 1" >>confdefs.h
printf "%s\n" "#define PNG_MIPS_MSA_OPT 2" >>confdefs.h
;;
@@ -14133,6 +14163,12 @@ printf "%s\n" "#define PNG_INTEL_SSE_OPT 1" >>confdefs.h
printf "%s\n" "#define PNG_POWERPC_VSX_OPT 2" >>confdefs.h
;;
loongarch*)
enable_loongarch_lsx=yes
printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 1" >>confdefs.h
;;
esac
;;
@@ -14253,6 +14289,62 @@ else
fi
# MIPS
# ===
#
# MIPS MMI (SIMD) support.
# Check whether --enable-mips-mmi was given.
if test ${enable_mips_mmi+y}
then :
enableval=$enable_mips_mmi; case "$enableval" in
no|off)
# disable the default enabling on __mips_mmi systems:
printf "%s\n" "#define PNG_MIPS_MMI_OPT 0" >>confdefs.h
# Prevent inclusion of the assembler files below:
enable_mips_mmi=no;;
check)
printf "%s\n" "#define PNG_MIPS_MMI_CHECK_SUPPORTED /**/" >>confdefs.h
;;
api)
printf "%s\n" "#define PNG_MIPS_MMI_API_SUPPORTED /**/" >>confdefs.h
;;
yes|on)
printf "%s\n" "#define PNG_MIPS_MMI_OPT 1" >>confdefs.h
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-mips-mmi: please specify 'check' or 'api', if
you want the optimizations unconditionally pass '-mloongson-mmi -march=loongson3a'
to the compiler." >&5
printf "%s\n" "$as_me: WARNING: --enable-mips-mmi: please specify 'check' or 'api', if
you want the optimizations unconditionally pass '-mloongson-mmi -march=loongson3a'
to the compiler." >&2;};;
*)
as_fn_error $? "--enable-mips-mmi=${enable_mips_mmi}: invalid value" "$LINENO" 5
esac
fi
# Add MIPS specific files to all builds where the host_cpu is mips ('mips*') or
# where MIPS optimizations were explicitly requested (this allows a fallback if a
# future host CPU does not match 'mips*')
if test "$enable_mips_mmi" != 'no' &&
case "$host_cpu" in
mipsel*|mips64el*) :;;
esac; then
PNG_MIPS_MMI_TRUE=
PNG_MIPS_MMI_FALSE='#'
else
PNG_MIPS_MMI_TRUE='#'
PNG_MIPS_MMI_FALSE=
fi
# INTEL
# =====
#
@@ -14355,6 +14447,89 @@ else
fi
# LOONGARCH
# ===
#
# LOONGARCH LSX (SIMD) support
if test "$LSX_CFLAGS" = ''; then
LSX_CFLAGS="-mlsx"
fi
compiler_support_loongarch_lsx=no
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use loongarch LSX intrinsics" >&5
printf %s "checking whether to use loongarch LSX intrinsics... " >&6; }
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $LSX_CFLAGS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include<lsxintrin.h>
int main(){
__m128i a, b, c;
a = __lsx_vadd_w(b, c);
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
compiler_support_loongarch_lsx=yes
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS=$save_CFLAGS
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $compiler_support_loongarch_lsx" >&5
printf "%s\n" "$compiler_support_loongarch_lsx" >&6; }
# Check whether --enable-loongarch-lsx was given.
if test ${enable_loongarch_lsx+y}
then :
enableval=$enable_loongarch_lsx; case "$enableval" in
no|off)
# disable the default enabling on __loongarch_simd systems:
printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 0" >>confdefs.h
# Prevent inclusion of the assembler files below:
enable_loongarch_lsx=no;;
yes|on)
printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 1" >>confdefs.h
;;
*)
as_fn_error $? "--enable-loongarch-lsx=${enable_loongarch_lsx}: invalid value" "$LINENO" 5
esac
fi
if test "$enable_loongarch_lsx" != 'no'; then
if test $compiler_support_loongarch_lsx = yes; then
printf "%s\n" "#define PNG_LOONGARCH_LSX_OPT 1" >>confdefs.h
else
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiler does not support loongarch LSX." >&5
printf "%s\n" "$as_me: WARNING: Compiler does not support loongarch LSX." >&2;}
fi
fi
# Add LOONGARCH specific files to all builds where the host_cpu is loongarch ('loongarch*') or
# where LOONGARCH optimizations were explicitly requested (this allows a fallback if a
# future host CPU does not match 'loongarch*')
if test "$enable_loongarch_lsx" != 'no' && test $compiler_support_loongarch_lsx = yes &&
case "$host_cpu" in
loongarch*) :;;
*) test "$enable_loongarch_lsx" != '';;
esac; then
PNG_LOONGARCH_LSX_TRUE=
PNG_LOONGARCH_LSX_FALSE='#'
else
PNG_LOONGARCH_LSX_TRUE='#'
PNG_LOONGARCH_LSX_FALSE=
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Extra options for compiler: $PNG_COPTS" >&5
printf "%s\n" "$as_me: Extra options for compiler: $PNG_COPTS" >&6;}
@@ -14549,6 +14724,10 @@ if test -z "${PNG_MIPS_MSA_TRUE}" && test -z "${PNG_MIPS_MSA_FALSE}"; then
as_fn_error $? "conditional \"PNG_MIPS_MSA\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${PNG_MIPS_MMI_TRUE}" && test -z "${PNG_MIPS_MMI_FALSE}"; then
as_fn_error $? "conditional \"PNG_MIPS_MMI\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${PNG_INTEL_SSE_TRUE}" && test -z "${PNG_INTEL_SSE_FALSE}"; then
as_fn_error $? "conditional \"PNG_INTEL_SSE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -14557,6 +14736,10 @@ if test -z "${PNG_POWERPC_VSX_TRUE}" && test -z "${PNG_POWERPC_VSX_FALSE}"; then
as_fn_error $? "conditional \"PNG_POWERPC_VSX\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${PNG_LOONGARCH_LSX_TRUE}" && test -z "${PNG_LOONGARCH_LSX_FALSE}"; then
as_fn_error $? "conditional \"PNG_LOONGARCH_LSX\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
: "${CONFIG_STATUS=./config.status}"
ac_write_fail=0