aboutsummaryrefslogtreecommitdiff
path: root/target/ppc
diff options
context:
space:
mode:
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
commitb58f393198117730937983b826de849b220f58d3 (patch)
tree1d7238aefff686f1b198723a34860be2d88157cd /target/ppc
parent50449ae482ff2c6f985e6f60ebccdff96e64e1bd (diff)
target/ppc: Implement Vector Compare Quadword
Implement the following PowerISA v3.1 instructions: vcmpsq: Vector Compare Signed Quadword vcmpuq: Vector Compare Unsigned Quadword Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220225210936.1749575-14-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc')
-rw-r--r--target/ppc/insn32.decode6
-rw-r--r--target/ppc/translate/vmx-impl.c.inc45
2 files changed, 51 insertions, 0 deletions
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 07a4ef9103..f0cb6602e2 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -60,6 +60,9 @@
&VX vrt vra vrb
@VX ...... vrt:5 vra:5 vrb:5 .......... . &VX
+&VX_bf bf vra vrb
+@VX_bf ...... bf:3 .. vra:5 vrb:5 ........... &VX_bf
+
&VX_uim4 vrt uim vrb
@VX_uim4 ...... vrt:5 . uim:4 vrb:5 ........... &VX_uim4
@@ -404,6 +407,9 @@ VCMPNEZB 000100 ..... ..... ..... . 0100000111 @VC
VCMPNEZH 000100 ..... ..... ..... . 0101000111 @VC
VCMPNEZW 000100 ..... ..... ..... . 0110000111 @VC
+VCMPSQ 000100 ... -- ..... ..... 00101000001 @VX_bf
+VCMPUQ 000100 ... -- ..... ..... 00100000001 @VX_bf
+
## Vector Bit Manipulation Instruction
VCFUGED 000100 ..... ..... ..... 10101001101 @VX
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc
index 7f9913235e..ba2106dc7c 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -1182,6 +1182,51 @@ static bool do_vcmpgtq(DisasContext *ctx, arg_VC *a, bool sign)
TRANS(VCMPGTSQ, do_vcmpgtq, true)
TRANS(VCMPGTUQ, do_vcmpgtq, false)
+static bool do_vcmpq(DisasContext *ctx, arg_VX_bf *a, bool sign)
+{
+ TCGv_i64 vra, vrb;
+ TCGLabel *gt, *lt, *done;
+
+ REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+ REQUIRE_VECTOR(ctx);
+
+ vra = tcg_temp_local_new_i64();
+ vrb = tcg_temp_local_new_i64();
+ gt = gen_new_label();
+ lt = gen_new_label();
+ done = gen_new_label();
+
+ get_avr64(vra, a->vra, true);
+ get_avr64(vrb, a->vrb, true);
+ tcg_gen_brcond_i64((sign ? TCG_COND_GT : TCG_COND_GTU), vra, vrb, gt);
+ tcg_gen_brcond_i64((sign ? TCG_COND_LT : TCG_COND_LTU), vra, vrb, lt);
+
+ get_avr64(vra, a->vra, false);
+ get_avr64(vrb, a->vrb, false);
+ tcg_gen_brcond_i64(TCG_COND_GTU, vra, vrb, gt);
+ tcg_gen_brcond_i64(TCG_COND_LTU, vra, vrb, lt);
+
+ tcg_gen_movi_i32(cpu_crf[a->bf], CRF_EQ);
+ tcg_gen_br(done);
+
+ gen_set_label(gt);
+ tcg_gen_movi_i32(cpu_crf[a->bf], CRF_GT);
+ tcg_gen_br(done);
+
+ gen_set_label(lt);
+ tcg_gen_movi_i32(cpu_crf[a->bf], CRF_LT);
+ tcg_gen_br(done);
+
+ gen_set_label(done);
+ tcg_temp_free_i64(vra);
+ tcg_temp_free_i64(vrb);
+
+ return true;
+}
+
+TRANS(VCMPSQ, do_vcmpq, true)
+TRANS(VCMPUQ, do_vcmpq, false)
+
GEN_VXRFORM(vcmpeqfp, 3, 3)
GEN_VXRFORM(vcmpgefp, 3, 7)
GEN_VXRFORM(vcmpgtfp, 3, 11)