diff options
| author | Matheus Ferst | 2022-03-02 06:51:37 +0100 |
|---|---|---|
| committer | Cédric Le Goater | 2022-03-02 06:51:37 +0100 |
| commit | 08d512e1b972a8993b9ad1829d79804891e68483 (patch) | |
| tree | 196a7fa0b42095d01e7e1d01623b67b1fe92f753 /target/ppc | |
| parent | target/ppc: implement vstri[bh][lr] (diff) | |
| download | qemu-08d512e1b972a8993b9ad1829d79804891e68483.tar.gz qemu-08d512e1b972a8993b9ad1829d79804891e68483.tar.xz qemu-08d512e1b972a8993b9ad1829d79804891e68483.zip | |
target/ppc: implement vclrlb
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-16-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/insn32.decode | 2 | ||||
| -rw-r--r-- | target/ppc/translate/vmx-impl.c.inc | 40 |
2 files changed, 42 insertions, 0 deletions
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index d844d86829..31cdbba86b 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -529,6 +529,8 @@ VSTRIBR 000100 ..... 00001 ..... . 0000001101 @VX_tb_rc VSTRIHL 000100 ..... 00010 ..... . 0000001101 @VX_tb_rc VSTRIHR 000100 ..... 00011 ..... . 0000001101 @VX_tb_rc +VCLRLB 000100 ..... ..... ..... 00110001101 @VX + # VSX Load/Store Instructions LXV 111101 ..... ..... ............ . 001 @DQ_TSX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index 6962929826..d43fba00ed 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1940,6 +1940,46 @@ TRANS(VSTRIBR, do_vstri, gen_helper_VSTRIBR) TRANS(VSTRIHL, do_vstri, gen_helper_VSTRIHL) TRANS(VSTRIHR, do_vstri, gen_helper_VSTRIHR) +static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a) +{ + TCGv_i64 rb, mh, ml, tmp, + ones = tcg_constant_i64(-1), + zero = tcg_constant_i64(0); + + rb = tcg_temp_new_i64(); + mh = tcg_temp_new_i64(); + ml = tcg_temp_new_i64(); + tmp = tcg_temp_new_i64(); + + tcg_gen_extu_tl_i64(rb, cpu_gpr[a->vrb]); + tcg_gen_andi_i64(tmp, rb, 7); + tcg_gen_shli_i64(tmp, tmp, 3); + tcg_gen_shl_i64(tmp, ones, tmp); + tcg_gen_not_i64(tmp, tmp); + + tcg_gen_movcond_i64(TCG_COND_LTU, ml, rb, tcg_constant_i64(8), + tmp, ones); + tcg_gen_movcond_i64(TCG_COND_LTU, mh, rb, tcg_constant_i64(8), + zero, tmp); + tcg_gen_movcond_i64(TCG_COND_LTU, mh, rb, tcg_constant_i64(16), + mh, ones); + + get_avr64(tmp, a->vra, true); + tcg_gen_and_i64(tmp, tmp, mh); + set_avr64(a->vrt, tmp, true); + + get_avr64(tmp, a->vra, false); + tcg_gen_and_i64(tmp, tmp, ml); + set_avr64(a->vrt, tmp, false); + + tcg_temp_free_i64(rb); + tcg_temp_free_i64(mh); + tcg_temp_free_i64(ml); + tcg_temp_free_i64(tmp); + + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ |