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| author | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-05-21 20:01:32 -0700 |
|---|---|---|
| committer | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-05-21 20:45:57 -0700 |
| commit | 857ebb501199938327e9d25db45ccc13d646d4f6 (patch) | |
| tree | ebc5cf3ea58f60311bffc49dadb40118c6c0c017 /riscv/decode.h | |
| parent | 7eed9371f79f5c8f4675078d11a0228af9b5f571 (diff) | |
| download | spike-857ebb501199938327e9d25db45ccc13d646d4f6.zip spike-857ebb501199938327e9d25db45ccc13d646d4f6.tar.gz spike-857ebb501199938327e9d25db45ccc13d646d4f6.tar.bz2 | |
rvv: remove vmlen
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Diffstat (limited to 'riscv/decode.h')
| -rw-r--r-- | riscv/decode.h | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/riscv/decode.h b/riscv/decode.h index 55cbfbe..5baef00 100644 --- a/riscv/decode.h +++ b/riscv/decode.h @@ -393,9 +393,8 @@ inline long double to_f(float128_t f){long double r; memcpy(&r, &f, sizeof(r)); // vector: masking skip helper // #define VI_MASK_VARS \ - const int mlen = P.VU.vmlen; \ - const int midx = (mlen * i) / 64; \ - const int mpos = (mlen * i) % 64; + const int midx = i / 64; \ + const int mpos = i % 64; #define VI_LOOP_ELEMENT_SKIP(BODY) \ VI_MASK_VARS \ @@ -607,7 +606,7 @@ static inline bool is_aligned(const unsigned val, const unsigned pos) reg_t rs2_num = insn.rs2(); \ for (reg_t i=P.VU.vstart; i<vl; ++i){ \ VI_LOOP_ELEMENT_SKIP(); \ - uint64_t mmask = (UINT64_MAX << (64 - mlen)) >> (64 - mlen - mpos); \ + uint64_t mmask = UINT64_C(1) << mpos; \ uint64_t &vdi = P.VU.elt<uint64_t>(insn.rd(), midx, true); \ uint64_t res = 0; @@ -621,10 +620,9 @@ static inline bool is_aligned(const unsigned val, const unsigned pos) require_vector;\ reg_t vl = P.VU.vl; \ for (reg_t i = P.VU.vstart; i < vl; ++i) { \ - int mlen = P.VU.vmlen; \ - int midx = (mlen * i) / 64; \ - int mpos = (mlen * i) % 64; \ - uint64_t mmask = (UINT64_MAX << (64 - mlen)) >> (64 - mlen - mpos); \ + int midx = i / 64; \ + int mpos = i % 64; \ + uint64_t mmask = UINT64_C(1) << mpos; \ uint64_t vs2 = P.VU.elt<uint64_t>(insn.rs2(), midx); \ uint64_t vs1 = P.VU.elt<uint64_t>(insn.rs1(), midx); \ uint64_t &res = P.VU.elt<uint64_t>(insn.rd(), midx, true); \ @@ -1826,7 +1824,7 @@ for (reg_t i = 0; i < P.VU.vlmax && P.VU.vl != 0; ++i) { \ float32_t vs1 = P.VU.elt<float32_t>(rs1_num, i); \ float32_t rs1 = f32(READ_FREG(rs1_num)); \ VI_LOOP_ELEMENT_SKIP(); \ - uint64_t mmask = (UINT64_MAX << (64 - mlen)) >> (64 - mlen - mpos); \ + uint64_t mmask = UINT64_C(1) << mpos; \ uint64_t &vdi = P.VU.elt<uint64_t>(rd_num, midx, true); \ uint64_t res = 0; |