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The ISA was extended in 1996 to 64 bits, with this revision named PA-RISC 2.0. PA-RISC 2.0 also added fused multiply–add instructions, which help certain floating-point intensive algorithms, and the MAX-2 SIMD extension, which provides instructions for accelerating multimedia applications. The first PA-RISC 2.0 implementation was the PA-8000 ...
MAX-1 was first implemented with the PA-7100LC in 1994. It is usually attributed as being the first SIMD extensions to an ISA. The second version, MAX-2, was for the 64-bit PA-RISC 2.0 ISA. It was first implemented in the PA-8000 microprocessor released in 1996. [1]
HP-UX operating systems supports a variety of PA-RISC systems. The 11.0 added support for Integrity-based servers for the transition from PA-RISC to Itanium. HP-UX 11i v1.5 is the first version that supported Itanium. On the introduction of HP-UX 11i v2 the operating system supported both of these architectures. [8]
Condition code Little BitBlt instructions OpenRISC: 32, 64 1.4 [27] 2000 3 Register–Register RISC 16 or 32 Fixed Condition code Bi ? Yes Yes PA-RISC (HP/PA) 64 (32→64) 2.0 1986 3 Register–Register RISC 32 Fixed (32-bit) Compare and branch Big → Bi MAX: No PDP-5 [28] PDP-8 [29] 12 1963 Register–Memory CISC 1 accumulator 1 multiplier ...
The PA-8000 (PCX-U), code-named Onyx, is a microprocessor developed and fabricated by Hewlett-Packard (HP) that implemented the PA-RISC 2.0 instruction set architecture (ISA). [1] It was a completely new design with no circuitry derived from previous PA-RISC microprocessors.
m68k, i386, SPARC, PA-RISC Very different user interface. [19] [20] Notable as being a precursor of many ideas later introduced in the macOS Dock. Allegedly dropped due to complaints of having to re-teach users but not for technical reasons (the new UI worked well in the beta). 4.0 July 1996 CD-ROM m68k, i386, SPARC Support for the PA-RISC ...
Power ISA is a reduced instruction set computer (RISC) instruction set architecture (ISA) currently developed by the OpenPOWER Foundation, led by IBM. It was originally developed by IBM and the now-defunct Power.org industry group.
The varieties of RISC processor design include the ARC processor, the DEC Alpha, the AMD Am29000, the ARM architecture, the Atmel AVR, Blackfin, Intel i860, Intel i960, LoongArch, Motorola 88000, the MIPS architecture, PA-RISC, Power ISA, RISC-V, SuperH, and SPARC. RISC processors are used in supercomputers, such as the Fugaku. [8]