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Optimize png16 with loongson mmi for 64-bit os

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gxw
2024-01-08 17:46:41 +08:00
committed by Cosmin Truta
parent 6b0d1bd75b
commit ce4b632dd7
9 changed files with 937 additions and 15 deletions
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49
scripts/pnglibconf.dfa
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@@ -256,6 +256,55 @@ option POWERPC_VSX_API disabled enables SET_OPTION,
option POWERPC_VSX_CHECK disabled,
sets POWERPC_VSX_OPT 1
# These options are specific to the MIPS MSA hardware optimizations.
#
# MIPS_MSA_OPT: unset: check at compile time (__mips_msa must be defined by
# the compiler, typically as a result of specifying
# "-mmsa -mfp64" compiler flags)
# 0: disable (even if the CPU supports MSA.)
# 1: check at run time (via MIPS_MSA_{API,CHECK})
# 2: switch on unconditionally (inadvisable - instead pass
# -mmsa -mfp64 to compiler options)
# When building libpng avoid using any setting other than '0'; '1' is
# set automatically when either 'API' or 'CHECK' are configured in,
# '2' should not be necessary as "-mmsa -mfp64" will achieve the same
# effect as well as applying MSA optimizations to the rest of the
# libpng code.
# NOTE: any setting other than '0' requires ALIGNED_MEMORY
# MIPS_MSA_API: (PNG_MIPS_MSA == 1) allow the optimization to be switched on
# with png_set_option.
# MIPS_MSA_CHECK: (PNG_MIPS_MSA == 1) compile a run-time check to see if MSA
# extensions are supported.
setting MIPS_MSA_OPT
option MIPS_MSA_API disabled requires ALIGNED_MEMORY enables SET_OPTION,
sets MIPS_MSA_OPT 1
option MIPS_MSA_CHECK disabled requires ALIGNED_MEMORY,
sets MIPS_MSA_OPT 1
# These options are specific to the MIPS MMI hardware optimizations.
#
# MIPS_MMI_OPT: unset: check at compile time (__mips_loongson_mmi must be defined by
# the compiler, typically as a result of specifying
# "-mloongson-mmi -march=loongson3a" compiler flags)
# 0: disable (even if the CPU supports MMI.)
# 1: check at run time (via MIPS_MMI_{API,CHECK})
# 2: switch on unconditionally (inadvisable - instead pass
# -mloongson-mmi -march=loongson3a to compiler options)
# When building libpng avoid using any setting other than '0'; '1' is
# set automatically when either 'API' or 'CHECK' are configured in,
# '2' should not be necessary as "-mloongson-mmi -march=loongson3a" will achieve the same
# effect as well as applying MMI optimizations to the rest of the
# libpng code.
# MIPS_MMI_API: (PNG_MIPS_MMI == 1) allow the optimization to be switched on
# with png_set_option
# MIPS_MMI_CHECK: (PNG_MIPS_MMI == 1) compile a run-time check to see if MMI
# extensions are supported.
setting MIPS_MMI_OPT
option MIPS_MMI_API disabled requires ALIGNED_MEMORY enables SET_OPTION,
sets MIPS_MMI_OPT 1
option MIPS_MMI_CHECK disabled requires ALIGNED_MEMORY,
sets MIPS_MMI_OPT 1
# These settings configure the default compression level (0-9) and 'strategy';
# strategy is as defined by the implementors of zlib. It describes the input