[PULL 47/87] target/ppc: Implement xscmp{eq,ge,gt}qp

["Cédric Le Goater" <clg@kaod.org>]

From: Víctor Colombo <victor.colombo@eldorado.org.br>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-42-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 target/ppc/helper.h                 |  3 +++
 target/ppc/insn32.decode            |  3 +++
 target/ppc/fpu_helper.c             |  3 +++
 target/ppc/translate/vsx-impl.c.inc | 31 +++++++++++++++++++++++++++++
 4 files changed, 40 insertions(+)

diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 4a12d4390527..c646b983e329 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -362,6 +362,9 @@ DEF_HELPER_5(XSNMSUBDP, void, env, vsr, vsr, vsr, vsr)
 DEF_HELPER_4(xscmpeqdp, void, env, vsr, vsr, vsr)
 DEF_HELPER_4(xscmpgtdp, void, env, vsr, vsr, vsr)
 DEF_HELPER_4(xscmpgedp, void, env, vsr, vsr, vsr)
+DEF_HELPER_4(XSCMPEQQP, void, env, vsr, vsr, vsr)
+DEF_HELPER_4(XSCMPGTQP, void, env, vsr, vsr, vsr)
+DEF_HELPER_4(XSCMPGEQP, void, env, vsr, vsr, vsr)
 DEF_HELPER_4(xscmpexpdp, void, env, i32, vsr, vsr)
 DEF_HELPER_4(xscmpexpqp, void, env, i32, vsr, vsr)
 DEF_HELPER_4(xscmpodp, void, env, i32, vsr, vsr)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index 973cda113166..92327a0a718f 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -664,6 +664,9 @@ XSMAXCDP        111100 ..... ..... ..... 10000000 ...   @XX3
 XSMINCDP        111100 ..... ..... ..... 10001000 ...   @XX3
 XSMAXJDP        111100 ..... ..... ..... 10010000 ...   @XX3
 XSMINJDP        111100 ..... ..... ..... 10011000 ...   @XX3
+XSCMPEQQP       111111 ..... ..... ..... 0001000100 -   @X
+XSCMPGEQP       111111 ..... ..... ..... 0011000100 -   @X
+XSCMPGTQP       111111 ..... ..... ..... 0011100100 -   @X
 
 ## VSX Binary Floating-Point Convert Instructions
 
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index bbd54b2d9c16..a589e6b7a54f 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -2307,6 +2307,9 @@ VSX_MADDQ(XSNMSUBQPO, NMSUB_FLGS, 0)
 VSX_SCALAR_CMP(xscmpeqdp, float64, eq, VsrD(0), 0)
 VSX_SCALAR_CMP(xscmpgedp, float64, le, VsrD(0), 1)
 VSX_SCALAR_CMP(xscmpgtdp, float64, lt, VsrD(0), 1)
+VSX_SCALAR_CMP(XSCMPEQQP, float128, eq, f128, 0)
+VSX_SCALAR_CMP(XSCMPGEQP, float128, le, f128, 1)
+VSX_SCALAR_CMP(XSCMPGTQP, float128, lt, f128, 1)
 
 void helper_xscmpexpdp(CPUPPCState *env, uint32_t opcode,
                        ppc_vsr_t *xa, ppc_vsr_t *xb)
diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc
index 3baaac1abd22..6dd20b030976 100644
--- a/target/ppc/translate/vsx-impl.c.inc
+++ b/target/ppc/translate/vsx-impl.c.inc
@@ -2615,6 +2615,37 @@ TRANS(XSMINCDP, do_xsmaxmincjdp, gen_helper_xsmincdp)
 TRANS(XSMAXJDP, do_xsmaxmincjdp, gen_helper_xsmaxjdp)
 TRANS(XSMINJDP, do_xsmaxmincjdp, gen_helper_xsminjdp)
 
+static bool do_helper_X(arg_X *a,
+    void (*helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr))
+{
+    TCGv_ptr rt, ra, rb;
+
+    rt = gen_avr_ptr(a->rt);
+    ra = gen_avr_ptr(a->ra);
+    rb = gen_avr_ptr(a->rb);
+
+    helper(cpu_env, rt, ra, rb);
+
+    tcg_temp_free_ptr(rt);
+    tcg_temp_free_ptr(ra);
+    tcg_temp_free_ptr(rb);
+
+    return true;
+}
+
+static bool do_xscmpqp(DisasContext *ctx, arg_X *a,
+    void (*helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr))
+{
+    REQUIRE_INSNS_FLAGS2(ctx, ISA310);
+    REQUIRE_VSX(ctx);
+
+    return do_helper_X(a, helper);
+}
+
+TRANS(XSCMPEQQP, do_xscmpqp, gen_helper_XSCMPEQQP)
+TRANS(XSCMPGEQP, do_xscmpqp, gen_helper_XSCMPGEQP)
+TRANS(XSCMPGTQP, do_xscmpqp, gen_helper_XSCMPGTQP)
+
 #undef GEN_XX2FORM
 #undef GEN_XX3FORM
 #undef GEN_XX2IFORM
-- 
2.34.1