The floating point registers are 82 bits long to preserve precision for intermediate results.
2.
Constants can be loaded outside of both loops such as floating point registers fr3 and fr4.
3.
The R2010 chip held the floating point registers, floating point data paths, and their longer simple pipeline.
4.
The floating point register file contains 72 entries, of which 32 are architectural registers and 40 are rename registers.
5.
The architecture implements 128 integer registers, 128 floating point registers, 64 one-bit predicates, and eight branch registers.
6.
That is, there are no programmer-accessible floating point registers, but only an 80-bit wide, 8 deep stack.
7.
The system used 32 32-bit integer registers and another 32 64-bit floating point registers, each in their own unit.
8.
One was that many of the early SIMD instruction sets tended to slow overall performance of the system due to the re-use of existing floating point registers.
9.
The Intel x86 architecture found on Intel systems supports a unique 18-digit ( ten-byte ) BCD format that can be loaded into and stored from the floating point registers, and computations can be performed there.
10.
This was until x86 in Nehalem merged both of its integer and floating point register into one single file and the introduction of a large physical register table and enhanced allocator table in its front-end before renaming in its out-of-order internal core.
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