Commit 8d47d4d2 authored by David Hildenbrand's avatar David Hildenbrand
Browse files

s390x/tcg: Implement VECTOR FP MULTIPLY 



Very similar to VECTOR FP DIVIDE.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 4500ede4

target/s390x/helper.h

+2 −0
Original line number Diff line number Diff line
@@ -282,6 +282,8 @@ DEF_HELPER_FLAGS_4(gvec_vfll32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) 
DEF_HELPER_FLAGS_4(gvec_vfll32s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)

DEF_HELPER_FLAGS_4(gvec_vflr64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)

DEF_HELPER_FLAGS_4(gvec_vflr64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)

DEF_HELPER_FLAGS_5(gvec_vfm64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)

DEF_HELPER_FLAGS_5(gvec_vfm64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)



#ifndef CONFIG_USER_ONLY

DEF_HELPER_3(servc, i32, env, i64, i64)

target/s390x/insn-data.def

+2 −0
Original line number Diff line number Diff line
@@ -1234,6 +1234,8 @@ 
    F(0xe7c4, VFLL,    VRR_a, V,   0, 0, 0, 0, vfll, 0, IF_VEC)

/* VECTOR LOAD ROUNDED */

    F(0xe7c5, VFLR,    VRR_a, V,   0, 0, 0, 0, vcdg, 0, IF_VEC)

/* VECTOR FP MULTIPLY */

    F(0xe7e7, VFM,     VRR_c, V,   0, 0, 0, 0, vfa, 0, IF_VEC)



#ifndef CONFIG_USER_ONLY

/* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

+3 −0
Original line number Diff line number Diff line
@@ -2563,6 +2563,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o) 
    case 0xe5:

        fn = se ? gen_helper_gvec_vfd64s : gen_helper_gvec_vfd64;

        break;

    case 0xe7:

        fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;

        break;

    default:

        g_assert_not_reached();

    }

target/s390x/vec_fpu_helper.c

+17 −0
Original line number Diff line number Diff line
@@ -487,3 +487,20 @@ void HELPER(gvec_vflr64s)(void *v1, const void *v2, CPUS390XState *env, 


    vflr64(v1, v2, env, true, XxC, erm, GETPC());

}



static uint64_t vfm64(uint64_t a, uint64_t b, float_status *s)

{

    return float64_mul(a, b, s);

}



void HELPER(gvec_vfm64)(void *v1, const void *v2, const void *v3,

                        CPUS390XState *env, uint32_t desc)

{

    vop64_3(v1, v2, v3, env, false, vfm64, GETPC());

}



void HELPER(gvec_vfm64s)(void *v1, const void *v2, const void *v3,

                         CPUS390XState *env, uint32_t desc)

{

    vop64_3(v1, v2, v3, env, true, vfm64, GETPC());

}