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authorMatheus Ferst <matheus.ferst@eldorado.org.br>2022-03-02 06:51:37 +0100
committerCédric Le Goater <clg@kaod.org>2022-03-02 06:51:37 +0100
commitfb1b56752fb5e043aef98d62abbd28c036440b07 (patch)
tree4f8030ad4901c4759e3e809638526f08ea25f385 /target
parent08d512e1b972a8993b9ad1829d79804891e68483 (diff)
target/ppc: implement vclrrb
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-17-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target')
-rw-r--r--target/ppc/insn32.decode1
-rw-r--r--target/ppc/translate/vmx-impl.c.inc32
2 files changed, 25 insertions, 8 deletions
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 31cdbba86b..b20f1eaa8e 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -530,6 +530,7 @@ VSTRIHL 000100 ..... 00010 ..... . 0000001101 @VX_tb_rc
VSTRIHR 000100 ..... 00011 ..... . 0000001101 @VX_tb_rc
VCLRLB 000100 ..... ..... ..... 00110001101 @VX
+VCLRRB 000100 ..... ..... ..... 00111001101 @VX
# VSX Load/Store Instructions
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc
index d43fba00ed..4db5656669 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -1940,7 +1940,7 @@ 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)
+static bool do_vclrb(DisasContext *ctx, arg_VX *a, bool right)
{
TCGv_i64 rb, mh, ml, tmp,
ones = tcg_constant_i64(-1),
@@ -1954,15 +1954,28 @@ static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a)
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);
+ if (right) {
+ tcg_gen_shr_i64(tmp, ones, tmp);
+ } else {
+ 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);
+ if (right) {
+ tcg_gen_movcond_i64(TCG_COND_LTU, mh, rb, tcg_constant_i64(8),
+ tmp, ones);
+ tcg_gen_movcond_i64(TCG_COND_LTU, ml, rb, tcg_constant_i64(8),
+ zero, tmp);
+ tcg_gen_movcond_i64(TCG_COND_LTU, ml, rb, tcg_constant_i64(16),
+ ml, ones);
+ } else {
+ 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);
@@ -1980,6 +1993,9 @@ static bool trans_VCLRLB(DisasContext *ctx, arg_VX *a)
return true;
}
+TRANS(VCLRLB, do_vclrb, false)
+TRANS(VCLRRB, do_vclrb, true)
+
#define GEN_VAFORM_PAIRED(name0, name1, opc2) \
static void glue(gen_, name0##_##name1)(DisasContext *ctx) \
{ \