sparc instruction set

0000021794 00000 n Instead, there are special operations that update the condition code register. 0000007541 00000 n However, the implementation of the set instruction merits further discussion. 0000015170 00000 n endstream endobj 7 0 obj <> endobj 8 0 obj <> endobj 9 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 10 0 obj <> endobj 11 0 obj <> endobj 12 0 obj [/ICCBased 21 0 R] endobj 13 0 obj <>stream Branch and Control Transfer Instructions. ~w����etj����V/�KjMbn��!�|�y���ta^n���H�4No���. The names for these operations have a suffix of ``cc'' to indicate that they update the bits in the condition code register. Finally, the C bit is set when the operation generates a carry out of the most significant bit, and cleared otherwise.

Jump to call-address and save PC into %r15, Provide new register window . 0000000016 00000 n The condition code register on the SPARC has four bits: Z (Zero), N (Negative), C (Carry), and V (oVerflow). H��T]o�@|�W�c������ѱ��R�F5��8q��PE��]8$q�lUH{����̾���:Kf7�6!B����)�-*y��N�����g��Y޼���l}�X i$�����������׻�VE�)��|��r 0000000816 00000 n Table 13.12 SPARC Instruction Set OP Description OP Description Load/Store Instructions Arithmetic Instructions LDSB Load signed byte ADD Add LDSH Load signed halfword ADDCC Add, set icc LDUB Load unsigned byte ADDX Add with carry LDUH Load unsigned halfword ADDXCC Add with carry, set icc LD Load word SUB Subtract LDD Load doubleword SUBCC Subtract, set icc STB Store byte SUBX Subtract … %PDF-1.4 %���� 0000001081 00000 n MIPS, SPARC, IBM POWER instruction set, Alpha, RISC-V, ARM architecture. 0000001363 00000 n All valid instructions in SPARC-V9 ought to be recognised by this specification. Request. BY.

startxref reg[rd] = reg[rs1] + reg[rs2] (with carry), reg[rd] = reg[rs1] - reg[rs2] (with borrow), 4.

0000002544 00000 n 0000010234 00000 n For more info regarding the special commands used herein, see that code/document. Key Takeaways. 0 0000006322 00000 n 0000015350 00000 n

Similarly, most of these operations set the N bit when the result of the operation is negative, and clear this bit when the result is nonnegative. By default, the instruction following a branch instruction is executed whenever the branch instruction is executed.

SPARC Instructions; Arithmetic Instructions; Memory Instructions; Control Flow; Floating Point Most RISC architectures (SPARC, Power, PowerPC, MIPS) were originally big endian (ARM was little endian), but many (including ARM) are now configurable as either.

instruction set, in addition to the floating-point instruction set. The SPARC architecture is a model which specifies unambiguously the behavior observed by software on SPARC systems. 6 26 Table of Contents. Assembly Language Syntax The notations given in this section are taken from Sun’s SPARC Assembler and are used to describe the suggested assembly language syntax for the instruction definitions given in Section 6.2.

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