Commit ebe9383c authored by Richard Henderson's avatar Richard Henderson
Browse files

target-hppa: Implement floating-point insns 



Signed-off-by: default avatarRichard Henderson <rth@twiddle.net>
parent 98a9cb79

target/hppa/helper.h

+55 −0
Original line number Diff line number Diff line
@@ -9,3 +9,58 @@ DEF_HELPER_FLAGS_1(probe_r, TCG_CALL_NO_RWG_SE, tl, tl) 
DEF_HELPER_FLAGS_1(probe_w, TCG_CALL_NO_RWG_SE, tl, tl)



DEF_HELPER_FLAGS_1(loaded_fr0, TCG_CALL_NO_RWG, void, env)



DEF_HELPER_FLAGS_2(fsqrt_s, TCG_CALL_NO_RWG, f32, env, f32)

DEF_HELPER_FLAGS_2(frnd_s, TCG_CALL_NO_RWG, f32, env, f32)

DEF_HELPER_FLAGS_3(fadd_s, TCG_CALL_NO_RWG, f32, env, f32, f32)

DEF_HELPER_FLAGS_3(fsub_s, TCG_CALL_NO_RWG, f32, env, f32, f32)

DEF_HELPER_FLAGS_3(fmpy_s, TCG_CALL_NO_RWG, f32, env, f32, f32)

DEF_HELPER_FLAGS_3(fdiv_s, TCG_CALL_NO_RWG, f32, env, f32, f32)



DEF_HELPER_FLAGS_2(fsqrt_d, TCG_CALL_NO_RWG, f64, env, f64)

DEF_HELPER_FLAGS_2(frnd_d, TCG_CALL_NO_RWG, f64, env, f64)

DEF_HELPER_FLAGS_3(fadd_d, TCG_CALL_NO_RWG, f64, env, f64, f64)

DEF_HELPER_FLAGS_3(fsub_d, TCG_CALL_NO_RWG, f64, env, f64, f64)

DEF_HELPER_FLAGS_3(fmpy_d, TCG_CALL_NO_RWG, f64, env, f64, f64)

DEF_HELPER_FLAGS_3(fdiv_d, TCG_CALL_NO_RWG, f64, env, f64, f64)



DEF_HELPER_FLAGS_2(fcnv_s_d, TCG_CALL_NO_RWG, f64, env, f32)

DEF_HELPER_FLAGS_2(fcnv_d_s, TCG_CALL_NO_RWG, f32, env, f64)



DEF_HELPER_FLAGS_2(fcnv_w_s, TCG_CALL_NO_RWG, f32, env, s32)

DEF_HELPER_FLAGS_2(fcnv_dw_s, TCG_CALL_NO_RWG, f32, env, s64)

DEF_HELPER_FLAGS_2(fcnv_w_d, TCG_CALL_NO_RWG, f64, env, s32)

DEF_HELPER_FLAGS_2(fcnv_dw_d, TCG_CALL_NO_RWG, f64, env, s64)



DEF_HELPER_FLAGS_2(fcnv_s_w, TCG_CALL_NO_RWG, s32, env, f32)

DEF_HELPER_FLAGS_2(fcnv_d_w, TCG_CALL_NO_RWG, s32, env, f64)

DEF_HELPER_FLAGS_2(fcnv_s_dw, TCG_CALL_NO_RWG, s64, env, f32)

DEF_HELPER_FLAGS_2(fcnv_d_dw, TCG_CALL_NO_RWG, s64, env, f64)



DEF_HELPER_FLAGS_2(fcnv_t_s_w, TCG_CALL_NO_RWG, s32, env, f32)

DEF_HELPER_FLAGS_2(fcnv_t_d_w, TCG_CALL_NO_RWG, s32, env, f64)

DEF_HELPER_FLAGS_2(fcnv_t_s_dw, TCG_CALL_NO_RWG, s64, env, f32)

DEF_HELPER_FLAGS_2(fcnv_t_d_dw, TCG_CALL_NO_RWG, s64, env, f64)



DEF_HELPER_FLAGS_2(fcnv_uw_s, TCG_CALL_NO_RWG, f32, env, i32)

DEF_HELPER_FLAGS_2(fcnv_udw_s, TCG_CALL_NO_RWG, f32, env, i64)

DEF_HELPER_FLAGS_2(fcnv_uw_d, TCG_CALL_NO_RWG, f64, env, i32)

DEF_HELPER_FLAGS_2(fcnv_udw_d, TCG_CALL_NO_RWG, f64, env, i64)



DEF_HELPER_FLAGS_2(fcnv_s_uw, TCG_CALL_NO_RWG, i32, env, f32)

DEF_HELPER_FLAGS_2(fcnv_d_uw, TCG_CALL_NO_RWG, i32, env, f64)

DEF_HELPER_FLAGS_2(fcnv_s_udw, TCG_CALL_NO_RWG, i64, env, f32)

DEF_HELPER_FLAGS_2(fcnv_d_udw, TCG_CALL_NO_RWG, i64, env, f64)



DEF_HELPER_FLAGS_2(fcnv_t_s_uw, TCG_CALL_NO_RWG, i32, env, f32)

DEF_HELPER_FLAGS_2(fcnv_t_d_uw, TCG_CALL_NO_RWG, i32, env, f64)

DEF_HELPER_FLAGS_2(fcnv_t_s_udw, TCG_CALL_NO_RWG, i64, env, f32)

DEF_HELPER_FLAGS_2(fcnv_t_d_udw, TCG_CALL_NO_RWG, i64, env, f64)



DEF_HELPER_FLAGS_5(fcmp_s, TCG_CALL_NO_RWG, void, env, f32, f32, i32, i32)

DEF_HELPER_FLAGS_5(fcmp_d, TCG_CALL_NO_RWG, void, env, f64, f64, i32, i32)



DEF_HELPER_FLAGS_4(fmpyfadd_s, TCG_CALL_NO_RWG, i32, env, i32, i32, i32)

DEF_HELPER_FLAGS_4(fmpynfadd_s, TCG_CALL_NO_RWG, i32, env, i32, i32, i32)

DEF_HELPER_FLAGS_4(fmpyfadd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64)

DEF_HELPER_FLAGS_4(fmpynfadd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64)

target/hppa/op_helper.c

+394 −0
Original line number Diff line number Diff line
@@ -174,3 +174,397 @@ void cpu_hppa_loaded_fr0(CPUHPPAState *env) 
{

    helper_loaded_fr0(env);

}



#define CONVERT_BIT(X, SRC, DST)        \

    ((SRC) > (DST)                      \

     ? (X) / ((SRC) / (DST)) & (DST)    \

     : ((X) & (SRC)) * ((DST) / (SRC)))



static void update_fr0_op(CPUHPPAState *env, uintptr_t ra)

{

    uint32_t soft_exp = get_float_exception_flags(&env->fp_status);

    uint32_t hard_exp = 0;

    uint32_t shadow = env->fr0_shadow;



    if (likely(soft_exp == 0)) {

        env->fr[0] = (uint64_t)shadow << 32;

        return;

    }

    set_float_exception_flags(0, &env->fp_status);



    hard_exp |= CONVERT_BIT(soft_exp, float_flag_inexact,   1u << 0);

    hard_exp |= CONVERT_BIT(soft_exp, float_flag_underflow, 1u << 1);

    hard_exp |= CONVERT_BIT(soft_exp, float_flag_overflow,  1u << 2);

    hard_exp |= CONVERT_BIT(soft_exp, float_flag_divbyzero, 1u << 3);

    hard_exp |= CONVERT_BIT(soft_exp, float_flag_invalid,   1u << 4);

    shadow |= hard_exp << (32 - 5);

    env->fr0_shadow = shadow;

    env->fr[0] = (uint64_t)shadow << 32;



    if (hard_exp & shadow) {

        dynexcp(env, EXCP_SIGFPE, ra);

    }

}



float32 HELPER(fsqrt_s)(CPUHPPAState *env, float32 arg)

{

    float32 ret = float32_sqrt(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(frnd_s)(CPUHPPAState *env, float32 arg)

{

    float32 ret = float32_round_to_int(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fadd_s)(CPUHPPAState *env, float32 a, float32 b)

{

    float32 ret = float32_add(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fsub_s)(CPUHPPAState *env, float32 a, float32 b)

{

    float32 ret = float32_sub(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fmpy_s)(CPUHPPAState *env, float32 a, float32 b)

{

    float32 ret = float32_mul(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fdiv_s)(CPUHPPAState *env, float32 a, float32 b)

{

    float32 ret = float32_div(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fsqrt_d)(CPUHPPAState *env, float64 arg)

{

    float64 ret = float64_sqrt(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(frnd_d)(CPUHPPAState *env, float64 arg)

{

    float64 ret = float64_round_to_int(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fadd_d)(CPUHPPAState *env, float64 a, float64 b)

{

    float64 ret = float64_add(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fsub_d)(CPUHPPAState *env, float64 a, float64 b)

{

    float64 ret = float64_sub(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fmpy_d)(CPUHPPAState *env, float64 a, float64 b)

{

    float64 ret = float64_mul(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fdiv_d)(CPUHPPAState *env, float64 a, float64 b)

{

    float64 ret = float64_div(a, b, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fcnv_s_d)(CPUHPPAState *env, float32 arg)

{

    float64 ret = float32_to_float64(arg, &env->fp_status);

    ret = float64_maybe_silence_nan(ret, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fcnv_d_s)(CPUHPPAState *env, float64 arg)

{

    float32 ret = float64_to_float32(arg, &env->fp_status);

    ret = float32_maybe_silence_nan(ret, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fcnv_w_s)(CPUHPPAState *env, int32_t arg)

{

    float32 ret = int32_to_float32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fcnv_dw_s)(CPUHPPAState *env, int64_t arg)

{

    float32 ret = int64_to_float32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fcnv_w_d)(CPUHPPAState *env, int32_t arg)

{

    float64 ret = int32_to_float64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fcnv_dw_d)(CPUHPPAState *env, int64_t arg)

{

    float64 ret = int64_to_float64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int32_t HELPER(fcnv_s_w)(CPUHPPAState *env, float32 arg)

{

    int32_t ret = float32_to_int32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int32_t HELPER(fcnv_d_w)(CPUHPPAState *env, float64 arg)

{

    int32_t ret = float64_to_int32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int64_t HELPER(fcnv_s_dw)(CPUHPPAState *env, float32 arg)

{

    int64_t ret = float32_to_int64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int64_t HELPER(fcnv_d_dw)(CPUHPPAState *env, float64 arg)

{

    int64_t ret = float64_to_int64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int32_t HELPER(fcnv_t_s_w)(CPUHPPAState *env, float32 arg)

{

    int32_t ret = float32_to_int32_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int32_t HELPER(fcnv_t_d_w)(CPUHPPAState *env, float64 arg)

{

    int32_t ret = float64_to_int32_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int64_t HELPER(fcnv_t_s_dw)(CPUHPPAState *env, float32 arg)

{

    int64_t ret = float32_to_int64_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



int64_t HELPER(fcnv_t_d_dw)(CPUHPPAState *env, float64 arg)

{

    int64_t ret = float64_to_int64_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fcnv_uw_s)(CPUHPPAState *env, uint32_t arg)

{

    float32 ret = uint32_to_float32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fcnv_udw_s)(CPUHPPAState *env, uint64_t arg)

{

    float32 ret = uint64_to_float32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fcnv_uw_d)(CPUHPPAState *env, uint32_t arg)

{

    float64 ret = uint32_to_float64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fcnv_udw_d)(CPUHPPAState *env, uint64_t arg)

{

    float64 ret = uint64_to_float64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint32_t HELPER(fcnv_s_uw)(CPUHPPAState *env, float32 arg)

{

    uint32_t ret = float32_to_uint32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint32_t HELPER(fcnv_d_uw)(CPUHPPAState *env, float64 arg)

{

    uint32_t ret = float64_to_uint32(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint64_t HELPER(fcnv_s_udw)(CPUHPPAState *env, float32 arg)

{

    uint64_t ret = float32_to_uint64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint64_t HELPER(fcnv_d_udw)(CPUHPPAState *env, float64 arg)

{

    uint64_t ret = float64_to_uint64(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint32_t HELPER(fcnv_t_s_uw)(CPUHPPAState *env, float32 arg)

{

    uint32_t ret = float32_to_uint32_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint32_t HELPER(fcnv_t_d_uw)(CPUHPPAState *env, float64 arg)

{

    uint32_t ret = float64_to_uint32_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint64_t HELPER(fcnv_t_s_udw)(CPUHPPAState *env, float32 arg)

{

    uint64_t ret = float32_to_uint64_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



uint64_t HELPER(fcnv_t_d_udw)(CPUHPPAState *env, float64 arg)

{

    uint64_t ret = float64_to_uint64_round_to_zero(arg, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



static void update_fr0_cmp(CPUHPPAState *env, uint32_t y, uint32_t c, int r)

{

    uint32_t shadow = env->fr0_shadow;



    switch (r) {

    case float_relation_greater:

        c = extract32(c, 4, 1);

        break;

    case float_relation_less:

        c = extract32(c, 3, 1);

        break;

    case float_relation_equal:

        c = extract32(c, 2, 1);

        break;

    case float_relation_unordered:

        c = extract32(c, 1, 1);

        break;

    default:

        g_assert_not_reached();

    }



    if (y) {

        /* targeted comparison */

        /* set fpsr[ca[y - 1]] to current compare */

        shadow = deposit32(shadow, 21 - (y - 1), 1, c);

    } else {

        /* queued comparison */

        /* shift cq right by one place */

        shadow = deposit32(shadow, 11, 10, extract32(shadow, 12, 10));

        /* move fpsr[c] to fpsr[cq[0]] */

        shadow = deposit32(shadow, 21, 1, extract32(shadow, 26, 1));

        /* set fpsr[c] to current compare */

        shadow = deposit32(shadow, 26, 1, c);

    }



    env->fr0_shadow = shadow;

    env->fr[0] = (uint64_t)shadow << 32;

}



void HELPER(fcmp_s)(CPUHPPAState *env, float32 a, float32 b,

                    uint32_t y, uint32_t c)

{

    int r;

    if (c & 1) {

        r = float32_compare(a, b, &env->fp_status);

    } else {

        r = float32_compare_quiet(a, b, &env->fp_status);

    }

    update_fr0_op(env, GETPC());

    update_fr0_cmp(env, y, c, r);

}



void HELPER(fcmp_d)(CPUHPPAState *env, float64 a, float64 b,

                    uint32_t y, uint32_t c)

{

    int r;

    if (c & 1) {

        r = float64_compare(a, b, &env->fp_status);

    } else {

        r = float64_compare_quiet(a, b, &env->fp_status);

    }

    update_fr0_op(env, GETPC());

    update_fr0_cmp(env, y, c, r);

}



float32 HELPER(fmpyfadd_s)(CPUHPPAState *env, float32 a, float32 b, float32 c)

{

    float32 ret = float32_muladd(a, b, c, 0, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float32 HELPER(fmpynfadd_s)(CPUHPPAState *env, float32 a, float32 b, float32 c)

{

    float32 ret = float32_muladd(a, b, c, float_muladd_negate_product,

                                 &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fmpyfadd_d)(CPUHPPAState *env, float64 a, float64 b, float64 c)

{

    float64 ret = float64_muladd(a, b, c, 0, &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}



float64 HELPER(fmpynfadd_d)(CPUHPPAState *env, float64 a, float64 b, float64 c)

{

    float64 ret = float64_muladd(a, b, c, float_muladd_negate_product,

                                 &env->fp_status);

    update_fr0_op(env, GETPC());

    return ret;

}

target/hppa/translate.c

+728 −0

File changed.

Preview size limit exceeded, changes collapsed.