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| author | Yongbok Kim <yongbok.kim@mips.com> | 2018-08-02 16:16:08 +0200 |
|---|---|---|
| committer | Aleksandar Markovic <amarkovic@wavecomp.com> | 2018-08-24 17:51:59 +0200 |
| commit | c46562fb2fd41429c7acbf10dedfd5cbe0aa34fa (patch) | |
| tree | d82f688bf610d81196b067acb05a353434fb5ca6 | |
| parent | 764371d24c51336c7713eb6f350218683871d05e (diff) | |
| download | focaccia-qemu-c46562fb2fd41429c7acbf10dedfd5cbe0aa34fa.tar.gz focaccia-qemu-c46562fb2fd41429c7acbf10dedfd5cbe0aa34fa.zip | |
target/mips: Add emulation of nanoMIPS 16-bit shift instructions
Add emulation of nanoMIPS 16-bit shift instructions. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Yongbok Kim <yongbok.kim@mips.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
| -rw-r--r-- | target/mips/translate.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/mips/translate.c b/target/mips/translate.c index b0bbf4cbbd..e3fac1ab0b 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -16765,6 +16765,21 @@ static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx) case NM_P16_MV: break; case NM_P16_SHIFT: + { + int shift = extract32(ctx->opcode, 0, 3); + uint32_t opc = 0; + shift = (shift == 0) ? 8 : shift; + + switch (extract32(ctx->opcode, 3, 1)) { + case NM_SLL16: + opc = OPC_SLL; + break; + case NM_SRL16: + opc = OPC_SRL; + break; + } + gen_shift_imm(ctx, opc, rt, rs, shift); + } break; case NM_P16C: break; |