Find all needed information about Nios Floating Point Support. Below you can see links where you can find everything you want to know about Nios Floating Point Support.
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/archives/ug-fph2-15.0.pdf
The Floating Point Hardware (FPH1) (1) provides substantial performance improvement over floating- point software emulation by providing custom instruction implementations of single-precision add, sub, multiply, and divide operations. Other floating-point operations (including all double-precision
https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd01152001_4558.html
The Nios SDK has its own implementation of the printf routine and does not include support for floating-point types. The floating-point support which is available in the standard GNU printf was removed since most embedded applications do not use floating-point numbers. There is increased overhead involved in handling floating-point types.
https://www.intel.com/content/www/us/en/programmable/documentation/cru1439932898327.html
6 Nios II GCC version 4.7.3 is not able to reliably replace calls to newlib floating point functions with the equivalent custom instruction even though it has Flush to 0 -mcustom- <operation> command-line options and pragma support for these operations.
http://www.ee.nmt.edu/~erives/554_10/Altera_FloatingPoint.pdf
Nios II floating-point custom instr uctions accelerate ar ithmetic functions executed on float variable types. The tutorial is a good starting point if you are considering floating-point custom instructions for inclusion in your own project.
http://ebook.pldworld.com/_Semiconductors/Altera/one_click_niosII_docs_9_0/files/tt_floating_point_custom_instructions.pdf
The Nios II IDE detects the presence of the floating-point custom instructions at build time, and uses them for all single precision floating-point arithmetic. The program runs four tests, one each for the add, subtract, multiply, and divide operations. In each test, the
https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd09082009_849.html
For example, if you create a custom instruction to add 64-bit floating point support to a single Nios II, or if you were to use multiple Nios II's on your chip to build 64-bit floating point support, or if you add multiple FPGAs to your board each with a different memory for the processors in it to create 64-bit floating point support, then, you would probably end up with a different non-zero APP value for each …
https://forums.intel.com/s/question/0D50P00003yyK5sSAE/double-precision-floating-point-math-problem-with-niosiie?language=en_US
All the floating-point custom instructions are single-precision operations. Double-precision operations are implemented in software. By default, the Nios II compiler treats floating-point constants as double-precision numbers. To use the floating-point custom instructions for operations with floating-point constants, append an “f” to the constant.
http://www.smxrtos.com/ussw/gofast/gofast_nios_gnu.htm
GoFast® for Altera's Nios® II Processors delivers high performance floating point calculations for embedded, real-time systems using the Altera Nios II processors. Specifically designed for embedded applications; GoFast delivers for any application where floating point performance is critical to an application's success.
https://www.intel.com/content/www/us/en/programmable/products/processors/support.html
Welcome to the Intel® Nios® II Precessor Support page! This page is designed to provide extensive documentation and support for the Nios® II family of embedded processors to help you quickly and easily develop and debug your embedded processor systems.
http://rssi.ncsa.illinois.edu/docs/industry/Altera_presentation.pdf
Floating Point Requirement What do applications need? What can FPGAs support? Floating Point Device Capability FPGA DSP Block Architecture FPGA IEEE754 Arithmetic Operators Matrix Multiply Benchmark Result
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