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| author | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-06-09 20:09:21 -0700 |
|---|---|---|
| committer | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-06-11 17:55:37 -0700 |
| commit | cbaf47a0c06e2c0123ae114d7ab37bc5e50717fc (patch) | |
| tree | 28884bea6a8ea22c3fb245d7a4d2f56ca11d9354 /riscv/decode.h | |
| parent | 31dbaabb32334acb3312e7fba2a44fc40afea24b (diff) | |
| download | spike-cbaf47a0c06e2c0123ae114d7ab37bc5e50717fc.zip spike-cbaf47a0c06e2c0123ae114d7ab37bc5e50717fc.tar.gz spike-cbaf47a0c06e2c0123ae114d7ab37bc5e50717fc.tar.bz2 | |
rvv: fix comparison and narrow overlapping rule
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Diffstat (limited to 'riscv/decode.h')
| -rw-r--r-- | riscv/decode.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/riscv/decode.h b/riscv/decode.h index 425a68e..79d5205 100644 --- a/riscv/decode.h +++ b/riscv/decode.h @@ -476,10 +476,12 @@ static inline bool is_aligned(const unsigned val, const unsigned pos) require_vm; \ #define VI_CHECK_MSS(is_vs1) \ - require_noover(insn.rd(), 1, insn.rs2(), P.VU.vflmul); \ + if (insn.rd() != insn.rs2()) \ + require_noover(insn.rd(), 1, insn.rs2(), P.VU.vflmul); \ require_align(insn.rs2(), P.VU.vflmul); \ if (is_vs1) {\ - require_noover(insn.rd(), 1, insn.rs1(), P.VU.vflmul); \ + if (insn.rd() != insn.rs1()) \ + require_noover(insn.rd(), 1, insn.rs1(), P.VU.vflmul); \ require_align(insn.rs1(), P.VU.vflmul); \ } \ @@ -542,7 +544,8 @@ static inline bool is_aligned(const unsigned val, const unsigned pos) #define VI_CHECK_SDS(is_vs1) \ VI_NARROW_CHECK_COMMON; \ - require_noover(insn.rd(), P.VU.vflmul, insn.rs2(), P.VU.vflmul * 2); \ + if (insn.rd() != insn.rs2()) \ + require_noover(insn.rd(), P.VU.vflmul, insn.rs2(), P.VU.vflmul * 2); \ if (is_vs1) \ require_align(insn.rs1(), P.VU.vflmul); \ |