Apply -flax-vector-conversions flag to GCC (#65) (7a27992c) · Commits · Wenxi XU / Cmsis Dsp

Some CMSIS-DSP code does not explicitly convert between vectors of different numbers and types of elements. While some other compilers default to implicitly converting vectors, gcc does not do this unless explicitly enabled. Signed-off-by:

Lingkai Dong <lingkai.dong@arm.com> Signed-off-by:

Lingkai Dong <lingkai.dong@arm.com>

Source/configDsp.cmake

+6 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,12 @@ if (HELIUM OR MVEF OR SUPPORT)
		target_include_directories(${project} PRIVATE "${DSP}/PrivateInclude")
		endif()

		if (MVEI OR MVEF OR HELIUM)
		# By default, GCC does not enable implicit conversion between vectors of different numbers or types of elements
		# which is required by some code in CMSIS-DSP
		target_compile_options(${project} PRIVATE $<$<STREQUAL:${CMAKE_C_COMPILER_ID},GNU>:-flax-vector-conversions>)
		endif()

		if (DISABLEFLOAT16)
		target_compile_definitions(${project} PRIVATE DISABLEFLOAT16)
		endif()

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