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Adjust the access index of vs2 to zero in vmv_x_s.h (#969)
pull/972/head
Brandon Wu
4 years ago
committed by
GitHub
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with
17 additions and
21 deletions
-
riscv/insns/vmv_x_s.h
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@ -1,4 +1,4 @@ |
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// vmv_x_s: rd = vs2[rs1]
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// vmv_x_s: rd = vs2[0]
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require_vector(true); |
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require(insn.v_vm() == 1); |
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uint64_t xmask = UINT64_MAX >> (64 - P.get_isa().get_max_xlen()); |
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@ -6,26 +6,22 @@ reg_t rs1 = RS1; |
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reg_t sew = P.VU.vsew; |
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reg_t rs2_num = insn.rs2(); |
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if (!(rs1 >= 0 && rs1 < (P.VU.get_vlen() / sew))) { |
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WRITE_RD(0); |
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} else { |
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switch(sew) { |
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case e8: |
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WRITE_RD(P.VU.elt<int8_t>(rs2_num, rs1)); |
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break; |
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case e16: |
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WRITE_RD(P.VU.elt<int16_t>(rs2_num, rs1)); |
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break; |
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case e32: |
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WRITE_RD(P.VU.elt<int32_t>(rs2_num, rs1)); |
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break; |
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case e64: |
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if (P.get_isa().get_max_xlen() <= sew) |
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WRITE_RD(P.VU.elt<uint64_t>(rs2_num, rs1) & xmask); |
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else |
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WRITE_RD(P.VU.elt<uint64_t>(rs2_num, rs1)); |
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break; |
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} |
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switch(sew) { |
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case e8: |
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WRITE_RD(P.VU.elt<int8_t>(rs2_num, 0)); |
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break; |
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case e16: |
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WRITE_RD(P.VU.elt<int16_t>(rs2_num, 0)); |
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break; |
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case e32: |
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WRITE_RD(P.VU.elt<int32_t>(rs2_num, 0)); |
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break; |
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case e64: |
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if (P.get_isa().get_max_xlen() <= sew) |
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WRITE_RD(P.VU.elt<uint64_t>(rs2_num, 0) & xmask); |
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else |
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WRITE_RD(P.VU.elt<uint64_t>(rs2_num, 0)); |
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break; |
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} |
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P.VU.vstart->write(0); |
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