diff options
author | David Miller <dmiller423@gmail.com> | 2022-04-28 11:47:03 +0200 |
---|---|---|
committer | Thomas Huth <thuth@redhat.com> | 2022-05-04 08:47:19 +0200 |
commit | ed9ce869521f90ad1104389873f5382bc6ccb461 (patch) | |
tree | 6fd867115925e7aafc96fc9b0e23f87c6ac8c87f /target/s390x/tcg/translate_vx.c.inc | |
parent | b7a50eb7d665f2bb77cbae54461be2f16938dece (diff) |
target/s390x: vxeh2: vector shift double by bit
Signed-off-by: David Miller <dmiller423@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220428094708.84835-9-david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'target/s390x/tcg/translate_vx.c.inc')
-rw-r--r-- | target/s390x/tcg/translate_vx.c.inc | 55 |
1 files changed, 48 insertions, 7 deletions
diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index 81673ea68f..cb6540673d 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -2056,14 +2056,23 @@ static DisasJumpType op_vsrl(DisasContext *s, DisasOps *o) gen_helper_gvec_vsrl_ve2); } -static DisasJumpType op_vsldb(DisasContext *s, DisasOps *o) +static DisasJumpType op_vsld(DisasContext *s, DisasOps *o) { - const uint8_t i4 = get_field(s, i4) & 0xf; - const int left_shift = (i4 & 7) * 8; - const int right_shift = 64 - left_shift; - TCGv_i64 t0 = tcg_temp_new_i64(); - TCGv_i64 t1 = tcg_temp_new_i64(); - TCGv_i64 t2 = tcg_temp_new_i64(); + const bool byte = s->insn->data; + const uint8_t mask = byte ? 15 : 7; + const uint8_t mul = byte ? 8 : 1; + const uint8_t i4 = get_field(s, i4); + const int right_shift = 64 - (i4 & 7) * mul; + TCGv_i64 t0, t1, t2; + + if (i4 & ~mask) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); if ((i4 & 8) == 0) { read_vec_element_i64(t0, get_field(s, v2), 0, ES_64); @@ -2074,8 +2083,40 @@ static DisasJumpType op_vsldb(DisasContext *s, DisasOps *o) read_vec_element_i64(t1, get_field(s, v3), 0, ES_64); read_vec_element_i64(t2, get_field(s, v3), 1, ES_64); } + tcg_gen_extract2_i64(t0, t1, t0, right_shift); tcg_gen_extract2_i64(t1, t2, t1, right_shift); + + write_vec_element_i64(t0, get_field(s, v1), 0, ES_64); + write_vec_element_i64(t1, get_field(s, v1), 1, ES_64); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); + return DISAS_NEXT; +} + +static DisasJumpType op_vsrd(DisasContext *s, DisasOps *o) +{ + const uint8_t i4 = get_field(s, i4); + TCGv_i64 t0, t1, t2; + + if (i4 & ~7) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); + + read_vec_element_i64(t0, get_field(s, v2), 1, ES_64); + read_vec_element_i64(t1, get_field(s, v3), 0, ES_64); + read_vec_element_i64(t2, get_field(s, v3), 1, ES_64); + + tcg_gen_extract2_i64(t0, t1, t0, i4); + tcg_gen_extract2_i64(t1, t2, t1, i4); + write_vec_element_i64(t0, get_field(s, v1), 0, ES_64); write_vec_element_i64(t1, get_field(s, v1), 1, ES_64); |