Transcription of More RISC-V Instructions and - University of California ...
{{id}} {{{paragraph}}}
Example: tourism industry
More RISC-V Instructions and - University of California ...
CS 61C: Great Ideas in Computer Architecture More RISC-V Instructions and How to Implement Functions Instructors: Nick Weaver & John Wawrzynek ~cs61c/fa17. Spring 2018 - Lecture #6 1. Outline RISC-V ISA and C-to- RISC-V Review Program Execution Overview Function Call Function Call Example And in Conclusion . 2. Outline RISC-V ISA and C-to- RISC-V Review Program Execution Overview Function Call Function Call Example And in Conclusion . 3. Levels of Representation/Interpretation High Level Language temp = v[k];. v[k] = v[k+1];. Program ( , C) v[k+1] = temp;. Compiler lw lw $t0, 0($2). $t1, 4($2). Anything can be represented Assembly Language sw $t1, 0($2) as a number, Program ( , RISC-V ) sw $t0, 4($2). , data or Instructions Assembler 0000 1001 1100 0110 1010 1111 0101 1000.
Logical Shifting • Shift Left Logical: slli x11,x12,2 # x11 = x12<<2 – Store in x11 the value from x12 shifted 2 bits to the left (they fall off end), inserting 0’s on right; << in C Before: 0000 0002 hex 0000 0000 0000 0000 0000 0000 0000 0010 two After: 0000 0008
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: