This patch includes:
- VLDI.
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
target/loongarch/disas.c | 7 +
target/loongarch/insn_trans/trans_lsx.c.inc | 137 ++++++++++++++++++++
target/loongarch/insns.decode | 4 +
3 files changed, 148 insertions(+)
diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c
index 8627908fc9..5c402d944d 100644
--- a/target/loongarch/disas.c
+++ b/target/loongarch/disas.c
@@ -858,6 +858,11 @@ static void output_vrr(DisasContext *ctx, arg_vrr *a,
const char *mnemonic)
output(ctx, mnemonic, "v%d, r%d, r%d", a->vd, a->rj, a->rk);
}
+static void output_v_i(DisasContext *ctx, arg_v_i *a, const char *mnemonic)
+{
+ output(ctx, mnemonic, "v%d, 0x%x", a->vd, a->imm);
+}
+
INSN_LSX(vadd_b, vvv)
INSN_LSX(vadd_h, vvv)
INSN_LSX(vadd_w, vvv)
@@ -1143,6 +1148,8 @@ INSN_LSX(vmskltz_d, vv)
INSN_LSX(vmskgez_b, vv)
INSN_LSX(vmsknz_b, vv)
+INSN_LSX(vldi, v_i)
+
INSN_LSX(vand_v, vvv)
INSN_LSX(vor_v, vvv)
INSN_LSX(vxor_v, vvv)
diff --git a/target/loongarch/insn_trans/trans_lsx.c.inc
b/target/loongarch/insn_trans/trans_lsx.c.inc
index 6bf9656c2c..bf1cc9e956 100644
--- a/target/loongarch/insn_trans/trans_lsx.c.inc
+++ b/target/loongarch/insn_trans/trans_lsx.c.inc
@@ -2912,6 +2912,143 @@ TRANS(vmskltz_d, gen_vv, gen_helper_vmskltz_d)
TRANS(vmskgez_b, gen_vv, gen_helper_vmskgez_b)
TRANS(vmsknz_b, gen_vv, gen_helper_vmsknz_b)
+#define EXPAND_BYTE(bit) ((uint64_t)(bit ? 0xff : 0))
+
+static uint64_t vldi_get_value(DisasContext *ctx, uint32_t imm)
+{
+ int mode;
+ uint64_t data, t;
+
+ /*
+ * imm bit [11:8] is mode, mode value is 0-12.
+ * other values are invalid.
+ */
+ mode = (imm >> 8) & 0xf;
+ t = imm & 0xff;
+ switch (mode) {
+ case 0:
+ /* data: {2{24'0, imm[7:0]}} */
+ data = (t << 32) | t ;
+ break;
+ case 1:
+ /* data: {2{16'0, imm[7:0], 8'0}} */
+ data = (t << 24) | (t << 8);
+ break;
+ case 2:
+ /* data: {2{8'0, imm[7:0], 16'0}} */
+ data = (t << 48) | (t << 16);
+ break;
+ case 3:
+ /* data: {2{imm[7:0], 24'0}} */
+ data = (t << 56) | (t << 24);
+ break;
+ case 4:
+ /* data: {4{8'0, imm[7:0]}} */
+ data = (t << 48) | (t << 32) | (t << 16) | t;
+ break;
+ case 5:
+ /* data: {4{imm[7:0], 8'0}} */
+ data = (t << 56) |(t << 40) | (t << 24) | (t << 8);
+ break;
+ case 6:
+ /* data: {2{16'0, imm[7:0], 8'1}} */
+ data = (t << 40) | ((uint64_t)0xff << 32) | (t << 8) | 0xff;
+ break;
+ case 7:
+ /* data: {2{8'0, imm[7:0], 16'1}} */
+ data = (t << 48) | ((uint64_t)0xffff << 32) | (t << 16) | 0xffff;
+ break;
+ case 8:
+ /* data: {8{imm[7:0]}} */
+ data =(t << 56) | (t << 48) | (t << 40) | (t << 32) |
+ (t << 24) | (t << 16) | (t << 8) | t;
+ break;
+ case 9:
+ /* data: {{8{imm[7]}, ..., 8{imm[0]}}} */
+ {
+ uint64_t b0,b1,b2,b3,b4,b5,b6,b7;
+ b0 = t& 0x1;
+ b1 = (t & 0x2) >> 1;
+ b2 = (t & 0x4) >> 2;
+ b3 = (t & 0x8) >> 3;
+ b4 = (t & 0x10) >> 4;
+ b5 = (t & 0x20) >> 5;
+ b6 = (t & 0x40) >> 6;
+ b7 = (t & 0x80) >> 7;
+ data = (EXPAND_BYTE(b7) << 56) |
+ (EXPAND_BYTE(b6) << 48) |
+ (EXPAND_BYTE(b5) << 40) |
+ (EXPAND_BYTE(b4) << 32) |
+ (EXPAND_BYTE(b3) << 24) |
+ (EXPAND_BYTE(b2) << 16) |
+ (EXPAND_BYTE(b1) << 8) |
+ EXPAND_BYTE(b0);
+ }
+ break;
+ case 10:
+ /* data: {2{imm[7], ~imm[6], {5{imm[6]}}, imm[5:0], 19'0}} */
+ {
+ uint64_t b6, b7;
+ uint64_t t0, t1;
+ b6 = (imm & 0x40) >> 6;
+ b7 = (imm & 0x80) >> 7;
+ t0 = (imm & 0x3f);
+ t1 = (b7 << 6) | ((1-b6) << 5) | (uint64_t)(b6 ? 0x1f : 0);
+ data = (t1 << 57) | (t0 << 51) | (t1 << 25) | (t0 << 19);
+ }
+ break;
+ case 11:
+ /* data: {32'0, imm[7], ~{imm[6]}, 5{imm[6]}, imm[5:0], 19'0} */
+ {
+ uint64_t b6,b7;
+ uint64_t t0, t1;
+ b6 = (imm & 0x40) >> 6;
+ b7 = (imm & 0x80) >> 7;
+ t0 = (imm & 0x3f);
+ t1 = (b7 << 6) | ((1-b6) << 5) | (b6 ? 0x1f : 0);
+ data = (t1 << 25) | (t0 << 19);
+ }
+ break;
+ case 12:
+ /* data: {imm[7], ~imm[6], 8{imm[6]}, imm[5:0], 48'0} */
+ {
+ uint64_t b6,b7;
+ uint64_t t0, t1;
+ b6 = (imm & 0x40) >> 6;
+ b7 = (imm & 0x80) >> 7;
+ t0 = (imm & 0x3f);
+ t1 = (b7 << 9) | ((1-b6) << 8) | (b6 ? 0xff : 0);
+ data = (t1 << 54) | (t0 << 48);
+ }
+ break;
+ default:
+ generate_exception(ctx, EXCCODE_INE);
+ g_assert_not_reached();
+ }
+ return data;
+}
+
+static bool trans_vldi(DisasContext *ctx, arg_vldi *a)
+{
+ int sel, vece;
+ uint64_t value;
+ CHECK_SXE;
+
+ sel = (a->imm >> 12) & 0x1;
+
+ if (sel) {
+ value = vldi_get_value(ctx, a->imm);
+ vece = MO_64;
+ } else {
+ value = ((int32_t)(a->imm << 22)) >> 22;
+ vece = (a->imm >> 10) & 0x3;
+ }
+
+ tcg_gen_gvec_dup_i64(vece, vec_full_offset(a->vd), 16, ctx->vl/8,
+ tcg_constant_i64(value));
+ return true;
+}
+
TRANS(vand_v, gvec_vvv, MO_64, tcg_gen_gvec_and)
TRANS(vor_v, gvec_vvv, MO_64, tcg_gen_gvec_or)
TRANS(vxor_v, gvec_vvv, MO_64, tcg_gen_gvec_xor)
diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
index ea6eedb7a9..c9c3bc2c73 100644
--- a/target/loongarch/insns.decode
+++ b/target/loongarch/insns.decode
@@ -513,6 +513,7 @@ dbcl 0000 00000010 10101 ...............
@i15
&vvr vd vj rk
&vrr vd rj rk
&vr_ii vd rj imm imm2
+&v_i vd imm
#
# LSX Formats
@@ -550,6 +551,7 @@ dbcl 0000 00000010 10101 ...............
@i15
@vr_i8i3 .... ....... imm2:3 ........ rj:5 vd:5 &vr_ii imm=%i8s1
@vr_i8i4 .... ...... imm2:4 imm:s8 rj:5 vd:5 &vr_ii
@vrr .... ........ ..... rk:5 rj:5 vd:5 &vrr
+@v_i13 .... ........ .. imm:13 vd:5 &v_i
vadd_b 0111 00000000 10100 ..... ..... ..... @vvv
vadd_h 0111 00000000 10101 ..... ..... ..... @vvv
@@ -837,6 +839,8 @@ vmskltz_d 0111 00101001 11000 10011 ..... .....
@vv
vmskgez_b 0111 00101001 11000 10100 ..... ..... @vv
vmsknz_b 0111 00101001 11000 11000 ..... ..... @vv
+vldi 0111 00111110 00 ............. ..... @v_i13
+
vand_v 0111 00010010 01100 ..... ..... ..... @vvv
vor_v 0111 00010010 01101 ..... ..... ..... @vvv
vxor_v 0111 00010010 01110 ..... ..... ..... @vvv
--
2.31.1
