mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Add optimized RISC-V Vector functions

Browse Source 
Largely based off of the ARM NEON implementation.

Signed-off-by: Cosmin Truta <ctruta@gmail.com>
This commit is contained in:
Dragoș Tiselice
2023-05-02 10:36:08 +00:00
committed by Cosmin Truta
parent b4800bae33
commit cc5ee6b213
17 changed files with 886 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
CMakeLists.txt
View File

@@ -312,6 +312,31 @@ if(PNG_HARDWARE_OPTIMIZATIONS)
endif()
endif()
# Set definitions and sources for RISC-V.
if(TARGET_ARCH MATCHES "riscv*")
set(PNG_RISCV_VECTOR_POSSIBLE_VALUES check on off)
set(PNG_RISCV_VECTOR "off"
CACHE STRING "Enable RISC-V Vector optimizations: check|on|off; off is default")
set_property(CACHE PNG_RISCV_VECTOR
PROPERTY STRINGS ${PNG_RISCV_VECTOR_POSSIBLE_VALUES})
list(FIND PNG_RISCV_VECTOR_POSSIBLE_VALUES ${PNG_RISCV_VECTOR} index)
if(index EQUAL -1)
message(FATAL_ERROR "PNG_RISCV_VECTOR must be one of [${PNG_RISCV_VECTOR_POSSIBLE_VALUES}]")
elseif(NOT ${PNG_RISCV_VECTOR} STREQUAL "off")
set(libpng_riscv_sources
riscv/filter_vector_intrinsics.c
riscv/palette_vector_intrinsics.c
riscv/riscv_init.c)
if(${PNG_RISCV_VECTOR} STREQUAL "on")
add_definitions(-DPNG_RISCV_VECTOR_OPT=2)
elseif(${PNG_RISCV_VECTOR} STREQUAL "check")
add_definitions(-DPNG_RISCV_VECTOR_CHECK_SUPPORTED)
endif()
else()
add_definitions(-DPNG_RISCV_VECTOR_OPT=0)
endif()
endif()
else(PNG_HARDWARE_OPTIMIZATIONS)
# Set definitions and sources for ARM.
@@ -339,6 +364,11 @@ else(PNG_HARDWARE_OPTIMIZATIONS)
add_definitions(-DPNG_LOONGARCH_LSX_OPT=0)
endif()
# Set definitions and sources for RISC-V.
if(TARGET_ARCH MATCHES "^riscv")
add_definitions(-DPNG_RISCV_VECTOR_OPT=0)
endif()
endif(PNG_HARDWARE_OPTIMIZATIONS)
option(ld-version-script "Enable linker version script" ON)
@@ -613,7 +643,9 @@ set(libpng_sources
${libpng_mips_sources}
${libpng_powerpc_sources}
${libpng_loongarch_sources}
${libpng_riscv_sources}
)
set(pngtest_sources
pngtest.c
)