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3 Commits

Author SHA1 Message Date
Zi Xuan Wu
9566cf16ad [CSKY] Add codegen of select/br/cmp instruction and some frame lowering infra 
Add basic integer codegen of select/br/cmp instruction. It also includes frame lowering code
such as prologue/epilogue.
 2022-01-05 15:59:03 +08:00
Zi Xuan Wu
a556ec8861 [CSKY] Complete codegen of basic arithmetic and load/store operations 
Complete basic arithmetic operations such as add/sub/mul/div, and it also includes converions
and some specific operations such as bswap.Add load/store patterns to generate different addressing mode instructions.

Also enable some infra such as copy physical register and eliminate frame index.
 2021-12-09 11:40:20 +08:00
Zi Xuan Wu
cf78715cae [CSKY] First patch to construct codegen infra and generate first add instruction 
Ooops. It constructs codegen infra and provide only basic code to generate first add instruction successfully.

Differential Revision: https://reviews.llvm.org/D112206
 2021-11-01 10:06:56 +08:00