From: Víctor Colombo <victor.colo...@eldorado.org.br> Based on [1] by Lijun Pan <l...@linux.ibm.com>, which was never merged into master.
[1]: https://lists.gnu.org/archive/html/qemu-ppc/2020-07/msg00419.html Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Signed-off-by: Víctor Colombo <victor.colo...@eldorado.org.br> Signed-off-by: Matheus Ferst <matheus.fe...@eldorado.org.br> --- target/ppc/insn32.decode | 1 + target/ppc/translate/vmx-impl.c.inc | 34 +++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index e85a75db2f..732a2bb79e 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -471,6 +471,7 @@ VMULLD 000100 ..... ..... ..... 00111001001 @VX ## Vector Multiply-Sum Instructions VMSUMCUD 000100 ..... ..... ..... ..... 010111 @VA +VMSUMUDM 000100 ..... ..... ..... ..... 100011 @VA # VSX Load/Store Instructions diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index e029873ae0..afe895ab7f 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -2081,6 +2081,40 @@ static bool trans_VPEXTD(DisasContext *ctx, arg_VX *a) return true; } +static bool trans_VMSUMUDM(DisasContext *ctx, arg_VA *a) +{ + TCGv_i64 rl, rh, src1, src2; + int dw; + + REQUIRE_INSNS_FLAGS2(ctx, ISA300); + REQUIRE_VECTOR(ctx); + + rh = tcg_temp_new_i64(); + rl = tcg_temp_new_i64(); + src1 = tcg_temp_new_i64(); + src2 = tcg_temp_new_i64(); + + get_avr64(rl, a->rc, false); + get_avr64(rh, a->rc, true); + + for (dw = 0; dw < 2; dw++) { + get_avr64(src1, a->vra, dw); + get_avr64(src2, a->vrb, dw); + tcg_gen_mulu2_i64(src1, src2, src1, src2); + tcg_gen_add2_i64(rl, rh, rl, rh, src1, src2); + } + + set_avr64(a->vrt, rl, false); + set_avr64(a->vrt, rh, true); + + tcg_temp_free_i64(rl); + tcg_temp_free_i64(rh); + tcg_temp_free_i64(src1); + tcg_temp_free_i64(src2); + + return true; +} + static bool trans_VMSUMCUD(DisasContext *ctx, arg_VA *a) { TCGv_i64 tmp0, tmp1, prod1h, prod1l, prod0h, prod0l, zero; -- 2.25.1
