From 5c39f954f5b8e32d22fa9fe5af7fb953a4258fee Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Sat, 17 Dec 2022 16:10:06 +0100 Subject: [PATCH] target/hppa: Extract FPU helpers to fpu_helper.c MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20221217173219.8715-2-philmd@linaro.org> --- target/hppa/fpu_helper.c | 450 +++++++++++++++++++++++++++++++++++++++ target/hppa/meson.build | 1 + target/hppa/op_helper.c | 427 ------------------------------------- 3 files changed, 451 insertions(+), 427 deletions(-) create mode 100644 target/hppa/fpu_helper.c diff --git a/target/hppa/fpu_helper.c b/target/hppa/fpu_helper.c new file mode 100644 index 0000000000..576f283b04 --- /dev/null +++ b/target/hppa/fpu_helper.c @@ -0,0 +1,450 @@ +/* + * Helpers for HPPA FPU instructions. + * + * Copyright (c) 2016 Richard Henderson + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "exec/exec-all.h" +#include "exec/helper-proto.h" +#include "fpu/softfloat.h" + +void HELPER(loaded_fr0)(CPUHPPAState *env) +{ + uint32_t shadow = env->fr[0] >> 32; + int rm, d; + + env->fr0_shadow = shadow; + + switch (extract32(shadow, 9, 2)) { + default: + rm = float_round_nearest_even; + break; + case 1: + rm = float_round_to_zero; + break; + case 2: + rm = float_round_up; + break; + case 3: + rm = float_round_down; + break; + } + set_float_rounding_mode(rm, &env->fp_status); + + d = extract32(shadow, 5, 1); + set_flush_to_zero(d, &env->fp_status); + set_flush_inputs_to_zero(d, &env->fp_status); +} + +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) { + hppa_dynamic_excp(env, EXCP_ASSIST, 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); + 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); + 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, FloatRelation 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) +{ + FloatRelation 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) +{ + FloatRelation 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; +} diff --git a/target/hppa/meson.build b/target/hppa/meson.build index 021e42a2d0..fb90aed5de 100644 --- a/target/hppa/meson.build +++ b/target/hppa/meson.build @@ -4,6 +4,7 @@ hppa_ss = ss.source_set() hppa_ss.add(gen) hppa_ss.add(files( 'cpu.c', + 'fpu_helper.c', 'gdbstub.c', 'helper.c', 'int_helper.c', diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c index fbd80e4248..f5905c9fc2 100644 --- a/target/hppa/op_helper.c +++ b/target/hppa/op_helper.c @@ -25,7 +25,6 @@ #include "exec/cpu_ldst.h" #include "qemu/timer.h" #include "sysemu/runstate.h" -#include "fpu/softfloat.h" #include "trace.h" G_NORETURN void HELPER(excp)(CPUHPPAState *env, int excp) @@ -197,432 +196,6 @@ target_ureg HELPER(probe)(CPUHPPAState *env, target_ulong addr, #endif } -void HELPER(loaded_fr0)(CPUHPPAState *env) -{ - uint32_t shadow = env->fr[0] >> 32; - int rm, d; - - env->fr0_shadow = shadow; - - switch (extract32(shadow, 9, 2)) { - default: - rm = float_round_nearest_even; - break; - case 1: - rm = float_round_to_zero; - break; - case 2: - rm = float_round_up; - break; - case 3: - rm = float_round_down; - break; - } - set_float_rounding_mode(rm, &env->fp_status); - - d = extract32(shadow, 5, 1); - set_flush_to_zero(d, &env->fp_status); - set_flush_inputs_to_zero(d, &env->fp_status); -} - -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) { - hppa_dynamic_excp(env, EXCP_ASSIST, 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); - 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); - 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, FloatRelation 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) -{ - FloatRelation 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) -{ - FloatRelation 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_ureg HELPER(read_interval_timer)(void) { #ifdef CONFIG_USER_ONLY