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authorMatheus Ferst <matheus.ferst@eldorado.org.br>2021-11-04 09:36:58 -0300
committerDavid Gibson <david@gibson.dropbear.id.au>2021-11-09 10:32:52 +1100
commit2c716b4da5251aa8428bd3a9a4a5cc6a6c2c5c89 (patch)
tree4292d2da75b65563d9d9c79ec8e28e199f3e66a1 /target
parent00a16569ebb0123fe1a7d820c61d6d9be28705ac (diff)
target/ppc: Implement vsldbi/vsrdbi instructions
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20211104123719.323713-5-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target')
-rw-r--r--target/ppc/insn32.decode8
-rw-r--r--target/ppc/translate/vmx-impl.c.inc66
2 files changed, 74 insertions, 0 deletions
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 4666c06f55..257b11113d 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -38,6 +38,9 @@
%dx_d 6:s10 16:5 0:1
@DX ...... rt:5 ..... .......... ..... . &DX d=%dx_d
+&VN vrt vra vrb sh
+@VN ...... vrt:5 vra:5 vrb:5 .. sh:3 ...... &VN
+
&VX vrt vra vrb
@VX ...... vrt:5 vra:5 vrb:5 .......... . &VX
@@ -338,3 +341,8 @@ VCLZDM 000100 ..... ..... ..... 11110000100 @VX
VCTZDM 000100 ..... ..... ..... 11111000100 @VX
VPDEPD 000100 ..... ..... ..... 10111001101 @VX
VPEXTD 000100 ..... ..... ..... 10110001101 @VX
+
+## Vector Permute and Formatting Instruction
+
+VSLDBI 000100 ..... ..... ..... 00 ... 010110 @VN
+VSRDBI 000100 ..... ..... ..... 01 ... 010110 @VN
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc
index cddb3848ab..6edffd5637 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -1257,6 +1257,72 @@ static void gen_vsldoi(DisasContext *ctx)
tcg_temp_free_i32(sh);
}
+static bool trans_VSLDBI(DisasContext *ctx, arg_VN *a)
+{
+ TCGv_i64 t0, t1, t2;
+
+ REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+ REQUIRE_VECTOR(ctx);
+
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+
+ get_avr64(t0, a->vra, true);
+ get_avr64(t1, a->vra, false);
+
+ if (a->sh != 0) {
+ t2 = tcg_temp_new_i64();
+
+ get_avr64(t2, a->vrb, true);
+
+ tcg_gen_extract2_i64(t0, t1, t0, 64 - a->sh);
+ tcg_gen_extract2_i64(t1, t2, t1, 64 - a->sh);
+
+ tcg_temp_free_i64(t2);
+ }
+
+ set_avr64(a->vrt, t0, true);
+ set_avr64(a->vrt, t1, false);
+
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);
+
+ return true;
+}
+
+static bool trans_VSRDBI(DisasContext *ctx, arg_VN *a)
+{
+ TCGv_i64 t2, t1, t0;
+
+ REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+ REQUIRE_VECTOR(ctx);
+
+ t0 = tcg_temp_new_i64();
+ t1 = tcg_temp_new_i64();
+
+ get_avr64(t0, a->vrb, false);
+ get_avr64(t1, a->vrb, true);
+
+ if (a->sh != 0) {
+ t2 = tcg_temp_new_i64();
+
+ get_avr64(t2, a->vra, false);
+
+ tcg_gen_extract2_i64(t0, t0, t1, a->sh);
+ tcg_gen_extract2_i64(t1, t1, t2, a->sh);
+
+ tcg_temp_free_i64(t2);
+ }
+
+ set_avr64(a->vrt, t0, false);
+ set_avr64(a->vrt, t1, true);
+
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);
+
+ return true;
+}
+
#define GEN_VAFORM_PAIRED(name0, name1, opc2) \
static void glue(gen_, name0##_##name1)(DisasContext *ctx) \
{ \