search for: fpv4

...directly to NumericLiteralParser::NumericLiteralParser within LiteralSupport.cpp. I understand the maintenance concern with flags that affect multiple points in code though. Still trying to get the bottom of why we're crashing with double floating point literal. It seems the fpu in question (fpv4-sp-d16) only supports 32 bit operations so this is somehow getting passed to a software wrapper and crashing there. But to be fair this was crashing in gcc too which is why we added the -fsingle-precision-constant flag since we didn't care about the precision of the constants and we're usi...

...frame_size = opus_custom_decode( dec, codedMicBuf, 64, decodedMicBuf, 64); *Build:* C:\Program Files\SEGGER\SEGGER Embedded Studio for ARM 3.50\gcc\arm-none-eabi\bin\cc1" -fmessage-length=0 -fno-diagnostics-show-caret -mcpu=cortex-m4 -mlittle-endian -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mthumb -mtp=soft -nostdinc "-isystem -D__SIZEOF_WCHAR_T=4 -D__ARM_ARCH_7EM__ -D__SES_ARM -D__ARM_ARCH_FPV4_SP_D16__ -D__SES_VERSION=35000 -DARM_MATH_CM4 -D__FPU_PRESENT -DDEBUG "-D DEBUG_NRF" -DCONFIG_GPIO_AS_PINRESET -DINITIALIZE_USER_SECTIONS -DNO_VTOR_CONFIG -DNRF52 -DN...

...I failed. This is how I build libc++: TOOLCHAIN_ROOT_DIR="${HOME}/ARMToolchain-9-2019-q4-major" export CC="${TOOLCHAIN_ROOT_DIR}/bin/arm-none-eabi-gcc" export CXX="${TOOLCHAIN_ROOT_DIR}/bin/arm-none-eabi-g++" C_AND_CXX_COMMON_FLAGS_BASE="-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard --specs=nosys.specs\ --sysroot=${TOOLCHAIN_ROOT_DIR} -I${TOOLCHAIN_ROOT_DIR}/arm-none-eabi/include\ -L${TOOLCHAIN_ROOT_DIR}/lib -L${TOOLCHAIN_ROOT_DIR}/lib/gcc/arm-none-eabi/9.2.1" C_AND_CXX_COMMON_FLAGS_MORE="-mthumb -mabi=aapcs" C_AND_CXX_COMMON_FLAG...

Hi all: I'm successfully run OPUS in cortexM4 arm architectures using a cross compiler gcc-arm-none-eabi . I recommend to uses the following precompile flags before to compile you code: arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-dl16 -std=c99 -fasm -DARM_MATH_CM4 -DOPUS_ARM_INLINE_ASM -DOPUS_ARM_ASM .... and in your configuration file of OPUS you could use the following configuration : #define VAR_ARRAYS #define FIXED_POINT /*Actually I'm working in a fixed point but I also test it with float point and also works...

...wing this - http://llvm.org/docs/HowToCrossCompileLLVM.html but I got this error, TARGET_TRIPLE=arm-none-eabi MYHOSTBIN=${HOME}/clang/source/build_x64/bin MYGNUARM_ROOT=${HOME}/opt/gcc-arm-none-eabi-6-2017-q2-update MYCFLAGS="--specs=nosys.specs -mcpu=cortex-m4 -mthumb -mfloat-abi=softfp -mfpu=fpv4-sp-d16" cmake -G "Ninja" \ -DCMAKE_CROSSCOMPILING=True \ -DCMAKE_BUILD_TYPE=Release \ -DCMAKE_INSTALL_PREFIX=${HOME}/clang/toInstall \ -DLLVM_TABLEGEN=${MYHOSTBIN}/llvm-tblgen \ -DCLANG_TABLEGEN=${MYHOSTBIN}/c...

...t;> >> >> >> *Build:* >> >> >> >> C:\Program Files\SEGGER\SEGGER Embedded Studio for ARM >> 3.50\gcc\arm-none-eabi\bin\cc1" -fmessage-length=0 >> -fno-diagnostics-show-caret -mcpu=cortex-m4 -mlittle-endian >> -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mthumb -mtp=soft -nostdinc "-isystem >> >> >> >> -D__SIZEOF_WCHAR_T=4 -D__ARM_ARCH_7EM__ -D__SES_ARM >> -D__ARM_ARCH_FPV4_SP_D16__ -D__SES_VERSION=35000 -DARM_MATH_CM4 >> -D__FPU_PRESENT -DDEBUG "-D DEBUG_NRF" -DCONFIG_GPIO_AS_PINRESET >...

Hi All, Clang lacks support for the -fsingle-precision-constant flag. Are there specific reasons for this or is it just waiting to be implemented? This flag is especially important in the embedded world. From http://processors.wiki.ti.com/index.php/Floating_Point_Optimization#float_vs._double_vs._long_double : *Once all of your data is defined as float, there are still cases where you may