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target/mips: Add emulation of DSP ASE for nanoMIPS - part 2

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Add emulation of DSP ASE instructions for nanoMIPS - part 2.

Backports commit 6d033ca7513d85562f1b6bbb002a38b1c2541e5d from qemu
This commit is contained in:
Stefan Markovic 2018-08-27 05:53:14 -04:00 committed by Lioncash
parent 49f448af3c
commit 33dee2e5f3
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 10 additions and 0 deletions
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10
qemu/target/mips/translate.c
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@ -19444,6 +19444,16 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
case NM_BC1NEZC:
gen_compute_branch_cp1_nm(ctx, OPC_BC1NEZ, rt, s);
break;
case NM_BPOSGE32C:
check_dspr2(ctx);
{
int32_t imm = extract32(ctx->opcode, 1, 13) |
extract32(ctx->opcode, 0, 1) << 13;
gen_compute_branch_nm(ctx, OPC_BPOSGE32, 4, -1, -2,
imm);
}
break;
default:
generate_exception_end(ctx, EXCP_RI);
break;