RFC: add testcase for new p extension - #648
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- Add rv64up/ and rv32up/ directories for P-extension tests - Add Makefrag files for both directories - Update main Makefile to include P-extension tests - Add padd_b test as initial test case - Use -march=rv64gp and -march=rv32gp for compilation Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
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Update: 2026/05/21
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Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
…slx, srx Added tests: - rv32up/rev.S: RV32 bit reverse (grevi shamt=31) - rv64up/rev.S: RV64 bit reverse (grevi shamt=63) - rv64up/rev16.S: RV64 16-bit group swap (grevi shamt=48) - rv64up/mvm.S: RV64 move if mask - rv64up/mvmn.S: RV64 move if not mask - rv64up/merge.S: RV64 bitwise merge - rv64up/slx.S: RV64 funnel shift left - rv64up/srx.S: RV64 funnel shift right Updated Makefrags to include new tests. All tests verified passing with spike-cosim. Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
The complete set of instructions added for RV32 are: PSSHL.HS SSHL PSSHL.DHS PSSHL.DWS PSSHLR.HS SSHLR PSSHLR.DHS PSSHLR.DWS And for RV64: PSSHL.HS PSSHL.WS SHL PNCLIPP.B PNCLIPP.H PNCLIPP.W PSSHLR.HS PSSHLR.WS SHLR PNCLIPUP.B PNCLIPUP.H PNCLIPUP.W reference: https://www.jhauser.us/RISCV/ext-P/RVP-instrEncodings-020.pdf https://www.jhauser.us/RISCV/ext-P/RVP-baseInstrs-Sail-020.txt Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
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Update: 2026/06/03
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aswaterman
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Jun 3, 2026
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The current version is not fully verified with spike implementation because there are some issues in toolchains I can get.