Commit Graph

5 Commits

Author SHA1 Message Date
Zi Xuan Wu ec642ceebc [CSKY] Add CSKYDisassembler.cpp to construct objdump
CSKYDisassembler tries to disassemble register MC operand from register num for different register class, and
also handles immediate num and carry flag operand which is not encoded in instruction binary.

Also enhance the printer of instruction to accept sub-option to control the print format. Sometimes, it prefers to
print number in hex, especially when immediate number represents symbol address.
2022-02-08 16:02:59 +08:00
Zi Xuan Wu de10a02fc0 [CSKY] Complete to add basic integer instruction set
Complete the basic integer instruction set and add related predictor in CSKY.td.
And it includes the instruction definition and asm parser support.

Differential Revision: https://reviews.llvm.org/D111701
2021-10-20 15:50:44 +08:00
Zi Xuan Wu 4bb60c285c [CSKY 6/n] Add support branch and symbol series instruction
This patch adds basic CSKY branch instructions and symbol address series instructions.
Those two kinds of instruction have relationship between each other, and it involves much work about Fixups.

For now, basic instructions are enabled except for disassembler support.
We would support to generate basic codegen asm firstly and delay disassembler work later.

Differential Revision: https://reviews.llvm.org/D95029
2021-04-20 15:36:49 +08:00
Zi Xuan Wu 4216389c26 [CSKY 5/n] Add support for all CSKY basic integer instructions except for branch series
This patch adds basic CSKY integer instructions except for branch series such as bsr, br.
It mainly includes basic ALU, load & store, compare and data move instructions.

Branch series instructions need handle complex symbol operand as following patch later.

Differential Revision: https://reviews.llvm.org/D94007
2021-04-20 15:36:49 +08:00
Zi Xuan Wu 8ba622bae1 [CSKY 4/n] Add basic CSKYAsmParser and CSKYInstPrinter
This basic parser will handle basic instructions with register or immediate operands.
With the addition of CSKYInstPrinter, we can now make use of lit tests.

Differential Revision: https://reviews.llvm.org/D93798
2021-04-20 15:36:49 +08:00