target/arm: Implement SVE Predicate Misc Group

Backports commit 028e2a7b876631eff165cac59eb43bdb2dcc213b and
f97cfd596ed9bd38644323cb61d19b85ac703c81 from qemu
This commit is contained in:
Richard Henderson 2018-05-20 02:25:06 -04:00 committed by Lioncash
parent 65f74e3608
commit 331aabddeb
No known key found for this signature in database
GPG Key ID: 4E3C3CC1031BA9C7
8 changed files with 983 additions and 0 deletions

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@ -3274,16 +3274,82 @@
#define helper_sdiv64 helper_sdiv64_aarch64
#define helper_simd_tbl helper_simd_tbl_aarch64
#define helper_sqrt_f16 helper_sqrt_f16_aarch64
#define helper_sve_add_zpzz_b helper_sve_add_zpzz_b_aarch64
#define helper_sve_add_zpzz_d helper_sve_add_zpzz_d_aarch64
#define helper_sve_add_zpzz_h helper_sve_add_zpzz_h_aarch64
#define helper_sve_add_zpzz_s helper_sve_add_zpzz_s_aarch64
#define helper_sve_and_pppp helper_sve_and_pppp_aarch64
#define helper_sve_and_zpzz_b helper_sve_and_zpzz_b_aarch64
#define helper_sve_and_zpzz_d helper_sve_and_zpzz_d_aarch64
#define helper_sve_and_zpzz_h helper_sve_and_zpzz_h_aarch64
#define helper_sve_and_zpzz_s helper_sve_and_zpzz_s_aarch64
#define helper_sve_bic_pppp helper_sve_bic_pppp_aarch64
#define helper_sve_bic_zpzz_b helper_sve_bic_zpzz_b_aarch64
#define helper_sve_bic_zpzz_d helper_sve_bic_zpzz_d_aarch64
#define helper_sve_bic_zpzz_h helper_sve_bic_zpzz_h_aarch64
#define helper_sve_bic_zpzz_s helper_sve_bic_zpzz_s_aarch64
#define helper_sve_eor_pppp helper_sve_eor_pppp_aarch64
#define helper_sve_eor_zpzz_b helper_sve_eor_zpzz_b_aarch64
#define helper_sve_eor_zpzz_d helper_sve_eor_zpzz_d_aarch64
#define helper_sve_eor_zpzz_h helper_sve_eor_zpzz_h_aarch64
#define helper_sve_eor_zpzz_s helper_sve_eor_zpzz_s_aarch64
#define helper_sve_mul_zpzz_b helper_sve_mul_zpzz_b_aarch64
#define helper_sve_mul_zpzz_d helper_sve_mul_zpzz_d_aarch64
#define helper_sve_mul_zpzz_h helper_sve_mul_zpzz_h_aarch64
#define helper_sve_mul_zpzz_s helper_sve_mul_zpzz_s_aarch64
#define helper_sve_nand_pppp helper_sve_nand_pppp_aarch64
#define helper_sve_nor_pppp helper_sve_nor_pppp_aarch64
#define helper_sve_orn_pppp helper_sve_orn_pppp_aarch64
#define helper_sve_orr_pppp helper_sve_orr_pppp_aarch64
#define helper_sve_orr_zpzz_b helper_sve_orr_zpzz_b_aarch64
#define helper_sve_orr_zpzz_d helper_sve_orr_zpzz_d_aarch64
#define helper_sve_orr_zpzz_h helper_sve_orr_zpzz_h_aarch64
#define helper_sve_orr_zpzz_s helper_sve_orr_zpzz_s_aarch64
#define helper_sve_sabd_zpzz_b helper_sve_sabd_zpzz_b_aarch64
#define helper_sve_sabd_zpzz_d helper_sve_sabd_zpzz_d_aarch64
#define helper_sve_sabd_zpzz_h helper_sve_sabd_zpzz_h_aarch64
#define helper_sve_sabd_zpzz_s helper_sve_sabd_zpzz_s_aarch64
#define helper_sve_sdiv_zpzz_d helper_sve_sdiv_zpzz_d_aarch64
#define helper_sve_sdiv_zpzz_s helper_sve_sdiv_zpzz_s_aarch64
#define helper_sve_sel_pppp helper_sve_sel_pppp_aarch64
#define helper_sve_smax_zpzz_b helper_sve_smax_zpzz_b_aarch64
#define helper_sve_smax_zpzz_d helper_sve_smax_zpzz_d_aarch64
#define helper_sve_smax_zpzz_h helper_sve_smax_zpzz_h_aarch64
#define helper_sve_smax_zpzz_s helper_sve_smax_zpzz_s_aarch64
#define helper_sve_smin_zpzz_b helper_sve_smin_zpzz_b_aarch64
#define helper_sve_smin_zpzz_d helper_sve_smin_zpzz_d_aarch64
#define helper_sve_smin_zpzz_h helper_sve_smin_zpzz_h_aarch64
#define helper_sve_smin_zpzz_s helper_sve_smin_zpzz_s_aarch64
#define helper_sve_smulh_zpzz_b helper_sve_smulh_zpzz_b_aarch64
#define helper_sve_smulh_zpzz_d helper_sve_smulh_zpzz_d_aarch64
#define helper_sve_smulh_zpzz_h helper_sve_smulh_zpzz_h_aarch64
#define helper_sve_smulh_zpzz_s helper_sve_smulh_zpzz_s_aarch64
#define helper_sve_sub_zpzz_b helper_sve_sub_zpzz_b_aarch64
#define helper_sve_sub_zpzz_d helper_sve_sub_zpzz_d_aarch64
#define helper_sve_sub_zpzz_h helper_sve_sub_zpzz_h_aarch64
#define helper_sve_sub_zpzz_s helper_sve_sub_zpzz_s_aarch64
#define helper_sve_pfirst helper_sve_pfirst_aarch64
#define helper_sve_pnext helper_sve_pnext_aarch64
#define helper_sve_predtest helper_sve_predtest_aarch64
#define helper_sve_predtest1 helper_sve_predtest1_aarch64
#define helper_sve_uabd_zpzz_b helper_sve_uabd_zpzz_b_aarch64
#define helper_sve_uabd_zpzz_d helper_sve_uabd_zpzz_d_aarch64
#define helper_sve_uabd_zpzz_h helper_sve_uabd_zpzz_h_aarch64
#define helper_sve_uabd_zpzz_s helper_sve_uabd_zpzz_s_aarch64
#define helper_sve_udiv_zpzz_d helper_sve_udiv_zpzz_d_aarch64
#define helper_sve_udiv_zpzz_s helper_sve_udiv_zpzz_s_aarch64
#define helper_sve_umax_zpzz_b helper_sve_umax_zpzz_b_aarch64
#define helper_sve_umax_zpzz_d helper_sve_umax_zpzz_d_aarch64
#define helper_sve_umax_zpzz_h helper_sve_umax_zpzz_h_aarch64
#define helper_sve_umax_zpzz_s helper_sve_umax_zpzz_s_aarch64
#define helper_sve_umin_zpzz_b helper_sve_umin_zpzz_b_aarch64
#define helper_sve_umin_zpzz_d helper_sve_umin_zpzz_d_aarch64
#define helper_sve_umin_zpzz_h helper_sve_umin_zpzz_h_aarch64
#define helper_sve_umin_zpzz_s helper_sve_umin_zpzz_s_aarch64
#define helper_sve_umulh_zpzz_b helper_sve_umulh_zpzz_b_aarch64
#define helper_sve_umulh_zpzz_d helper_sve_umulh_zpzz_d_aarch64
#define helper_sve_umulh_zpzz_h helper_sve_umulh_zpzz_h_aarch64
#define helper_sve_umulh_zpzz_s helper_sve_umulh_zpzz_s_aarch64
#define helper_udiv64 helper_udiv64_aarch64
#define helper_vfp_cmpd_a64 helper_vfp_cmpd_a64_aarch64
#define helper_vfp_cmped_a64 helper_vfp_cmped_a64_aarch64
@ -3294,6 +3360,7 @@
#define logic_imm_decode_wmask logic_imm_decode_wmask_aarch64
#define new_tmp_a64 new_tmp_a64_aarch64
#define new_tmp_a64_zero new_tmp_a64_zero_aarch64
#define pred_esz_masks pred_esz_masks_aarch64
#define read_cpu_reg read_cpu_reg_aarch64
#define read_cpu_reg_sp read_cpu_reg_sp_aarch64
#define sve_access_check sve_access_check_aarch64

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@ -3274,16 +3274,82 @@
#define helper_sdiv64 helper_sdiv64_aarch64eb
#define helper_simd_tbl helper_simd_tbl_aarch64eb
#define helper_sqrt_f16 helper_sqrt_f16_aarch64eb
#define helper_sve_add_zpzz_b helper_sve_add_zpzz_b_aarch64eb
#define helper_sve_add_zpzz_d helper_sve_add_zpzz_d_aarch64eb
#define helper_sve_add_zpzz_h helper_sve_add_zpzz_h_aarch64eb
#define helper_sve_add_zpzz_s helper_sve_add_zpzz_s_aarch64eb
#define helper_sve_and_pppp helper_sve_and_pppp_aarch64eb
#define helper_sve_and_zpzz_b helper_sve_and_zpzz_b_aarch64eb
#define helper_sve_and_zpzz_d helper_sve_and_zpzz_d_aarch64eb
#define helper_sve_and_zpzz_h helper_sve_and_zpzz_h_aarch64eb
#define helper_sve_and_zpzz_s helper_sve_and_zpzz_s_aarch64eb
#define helper_sve_bic_pppp helper_sve_bic_pppp_aarch64eb
#define helper_sve_bic_zpzz_b helper_sve_bic_zpzz_b_aarch64eb
#define helper_sve_bic_zpzz_d helper_sve_bic_zpzz_d_aarch64eb
#define helper_sve_bic_zpzz_h helper_sve_bic_zpzz_h_aarch64eb
#define helper_sve_bic_zpzz_s helper_sve_bic_zpzz_s_aarch64eb
#define helper_sve_eor_pppp helper_sve_eor_pppp_aarch64eb
#define helper_sve_eor_zpzz_b helper_sve_eor_zpzz_b_aarch64eb
#define helper_sve_eor_zpzz_d helper_sve_eor_zpzz_d_aarch64eb
#define helper_sve_eor_zpzz_h helper_sve_eor_zpzz_h_aarch64eb
#define helper_sve_eor_zpzz_s helper_sve_eor_zpzz_s_aarch64eb
#define helper_sve_mul_zpzz_b helper_sve_mul_zpzz_b_aarch64eb
#define helper_sve_mul_zpzz_d helper_sve_mul_zpzz_d_aarch64eb
#define helper_sve_mul_zpzz_h helper_sve_mul_zpzz_h_aarch64eb
#define helper_sve_mul_zpzz_s helper_sve_mul_zpzz_s_aarch64eb
#define helper_sve_nand_pppp helper_sve_nand_pppp_aarch64eb
#define helper_sve_nor_pppp helper_sve_nor_pppp_aarch64eb
#define helper_sve_orn_pppp helper_sve_orn_pppp_aarch64eb
#define helper_sve_orr_pppp helper_sve_orr_pppp_aarch64eb
#define helper_sve_orr_zpzz_b helper_sve_orr_zpzz_b_aarch64eb
#define helper_sve_orr_zpzz_d helper_sve_orr_zpzz_d_aarch64eb
#define helper_sve_orr_zpzz_h helper_sve_orr_zpzz_h_aarch64eb
#define helper_sve_orr_zpzz_s helper_sve_orr_zpzz_s_aarch64eb
#define helper_sve_sabd_zpzz_b helper_sve_sabd_zpzz_b_aarch64eb
#define helper_sve_sabd_zpzz_d helper_sve_sabd_zpzz_d_aarch64eb
#define helper_sve_sabd_zpzz_h helper_sve_sabd_zpzz_h_aarch64eb
#define helper_sve_sabd_zpzz_s helper_sve_sabd_zpzz_s_aarch64eb
#define helper_sve_sdiv_zpzz_d helper_sve_sdiv_zpzz_d_aarch64eb
#define helper_sve_sdiv_zpzz_s helper_sve_sdiv_zpzz_s_aarch64eb
#define helper_sve_sel_pppp helper_sve_sel_pppp_aarch64eb
#define helper_sve_smax_zpzz_b helper_sve_smax_zpzz_b_aarch64eb
#define helper_sve_smax_zpzz_d helper_sve_smax_zpzz_d_aarch64eb
#define helper_sve_smax_zpzz_h helper_sve_smax_zpzz_h_aarch64eb
#define helper_sve_smax_zpzz_s helper_sve_smax_zpzz_s_aarch64eb
#define helper_sve_smin_zpzz_b helper_sve_smin_zpzz_b_aarch64eb
#define helper_sve_smin_zpzz_d helper_sve_smin_zpzz_d_aarch64eb
#define helper_sve_smin_zpzz_h helper_sve_smin_zpzz_h_aarch64eb
#define helper_sve_smin_zpzz_s helper_sve_smin_zpzz_s_aarch64eb
#define helper_sve_smulh_zpzz_b helper_sve_smulh_zpzz_b_aarch64eb
#define helper_sve_smulh_zpzz_d helper_sve_smulh_zpzz_d_aarch64eb
#define helper_sve_smulh_zpzz_h helper_sve_smulh_zpzz_h_aarch64eb
#define helper_sve_smulh_zpzz_s helper_sve_smulh_zpzz_s_aarch64eb
#define helper_sve_sub_zpzz_b helper_sve_sub_zpzz_b_aarch64eb
#define helper_sve_sub_zpzz_d helper_sve_sub_zpzz_d_aarch64eb
#define helper_sve_sub_zpzz_h helper_sve_sub_zpzz_h_aarch64eb
#define helper_sve_sub_zpzz_s helper_sve_sub_zpzz_s_aarch64eb
#define helper_sve_pfirst helper_sve_pfirst_aarch64eb
#define helper_sve_pnext helper_sve_pnext_aarch64eb
#define helper_sve_predtest helper_sve_predtest_aarch64eb
#define helper_sve_predtest1 helper_sve_predtest1_aarch64eb
#define helper_sve_uabd_zpzz_b helper_sve_uabd_zpzz_b_aarch64eb
#define helper_sve_uabd_zpzz_d helper_sve_uabd_zpzz_d_aarch64eb
#define helper_sve_uabd_zpzz_h helper_sve_uabd_zpzz_h_aarch64eb
#define helper_sve_uabd_zpzz_s helper_sve_uabd_zpzz_s_aarch64eb
#define helper_sve_udiv_zpzz_d helper_sve_udiv_zpzz_d_aarch64eb
#define helper_sve_udiv_zpzz_s helper_sve_udiv_zpzz_s_aarch64eb
#define helper_sve_umax_zpzz_b helper_sve_umax_zpzz_b_aarch64eb
#define helper_sve_umax_zpzz_d helper_sve_umax_zpzz_d_aarch64eb
#define helper_sve_umax_zpzz_h helper_sve_umax_zpzz_h_aarch64eb
#define helper_sve_umax_zpzz_s helper_sve_umax_zpzz_s_aarch64eb
#define helper_sve_umin_zpzz_b helper_sve_umin_zpzz_b_aarch64eb
#define helper_sve_umin_zpzz_d helper_sve_umin_zpzz_d_aarch64eb
#define helper_sve_umin_zpzz_h helper_sve_umin_zpzz_h_aarch64eb
#define helper_sve_umin_zpzz_s helper_sve_umin_zpzz_s_aarch64eb
#define helper_sve_umulh_zpzz_b helper_sve_umulh_zpzz_b_aarch64eb
#define helper_sve_umulh_zpzz_d helper_sve_umulh_zpzz_d_aarch64eb
#define helper_sve_umulh_zpzz_h helper_sve_umulh_zpzz_h_aarch64eb
#define helper_sve_umulh_zpzz_s helper_sve_umulh_zpzz_s_aarch64eb
#define helper_udiv64 helper_udiv64_aarch64eb
#define helper_vfp_cmpd_a64 helper_vfp_cmpd_a64_aarch64eb
#define helper_vfp_cmped_a64 helper_vfp_cmped_a64_aarch64eb
@ -3294,6 +3360,7 @@
#define logic_imm_decode_wmask logic_imm_decode_wmask_aarch64eb
#define new_tmp_a64 new_tmp_a64_aarch64eb
#define new_tmp_a64_zero new_tmp_a64_zero_aarch64eb
#define pred_esz_masks pred_esz_masks_aarch64eb
#define read_cpu_reg read_cpu_reg_aarch64eb
#define read_cpu_reg_sp read_cpu_reg_sp_aarch64eb
#define sve_access_check sve_access_check_aarch64eb

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@ -3295,16 +3295,82 @@ aarch64_symbols = (
'helper_sdiv64',
'helper_simd_tbl',
'helper_sqrt_f16',
'helper_sve_add_zpzz_b',
'helper_sve_add_zpzz_d',
'helper_sve_add_zpzz_h',
'helper_sve_add_zpzz_s',
'helper_sve_and_pppp',
'helper_sve_and_zpzz_b',
'helper_sve_and_zpzz_d',
'helper_sve_and_zpzz_h',
'helper_sve_and_zpzz_s',
'helper_sve_bic_pppp',
'helper_sve_bic_zpzz_b',
'helper_sve_bic_zpzz_d',
'helper_sve_bic_zpzz_h',
'helper_sve_bic_zpzz_s',
'helper_sve_eor_pppp',
'helper_sve_eor_zpzz_b',
'helper_sve_eor_zpzz_d',
'helper_sve_eor_zpzz_h',
'helper_sve_eor_zpzz_s',
'helper_sve_mul_zpzz_b',
'helper_sve_mul_zpzz_d',
'helper_sve_mul_zpzz_h',
'helper_sve_mul_zpzz_s',
'helper_sve_nand_pppp',
'helper_sve_nor_pppp',
'helper_sve_orn_pppp',
'helper_sve_orr_pppp',
'helper_sve_orr_zpzz_b',
'helper_sve_orr_zpzz_d',
'helper_sve_orr_zpzz_h',
'helper_sve_orr_zpzz_s',
'helper_sve_sabd_zpzz_b',
'helper_sve_sabd_zpzz_d',
'helper_sve_sabd_zpzz_h',
'helper_sve_sabd_zpzz_s',
'helper_sve_sdiv_zpzz_d',
'helper_sve_sdiv_zpzz_s',
'helper_sve_sel_pppp',
'helper_sve_smax_zpzz_b',
'helper_sve_smax_zpzz_d',
'helper_sve_smax_zpzz_h',
'helper_sve_smax_zpzz_s',
'helper_sve_smin_zpzz_b',
'helper_sve_smin_zpzz_d',
'helper_sve_smin_zpzz_h',
'helper_sve_smin_zpzz_s',
'helper_sve_smulh_zpzz_b',
'helper_sve_smulh_zpzz_d',
'helper_sve_smulh_zpzz_h',
'helper_sve_smulh_zpzz_s',
'helper_sve_sub_zpzz_b',
'helper_sve_sub_zpzz_d',
'helper_sve_sub_zpzz_h',
'helper_sve_sub_zpzz_s',
'helper_sve_pfirst',
'helper_sve_pnext',
'helper_sve_predtest',
'helper_sve_predtest1',
'helper_sve_uabd_zpzz_b',
'helper_sve_uabd_zpzz_d',
'helper_sve_uabd_zpzz_h',
'helper_sve_uabd_zpzz_s',
'helper_sve_udiv_zpzz_d',
'helper_sve_udiv_zpzz_s',
'helper_sve_umax_zpzz_b',
'helper_sve_umax_zpzz_d',
'helper_sve_umax_zpzz_h',
'helper_sve_umax_zpzz_s',
'helper_sve_umin_zpzz_b',
'helper_sve_umin_zpzz_d',
'helper_sve_umin_zpzz_h',
'helper_sve_umin_zpzz_s',
'helper_sve_umulh_zpzz_b',
'helper_sve_umulh_zpzz_d',
'helper_sve_umulh_zpzz_h',
'helper_sve_umulh_zpzz_s',
'helper_udiv64',
'helper_vfp_cmpd_a64',
'helper_vfp_cmped_a64',
@ -3315,6 +3381,7 @@ aarch64_symbols = (
'logic_imm_decode_wmask',
'new_tmp_a64',
'new_tmp_a64_zero',
'pred_esz_masks',
'read_cpu_reg',
'read_cpu_reg_sp',
'sve_access_check',

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@ -531,6 +531,7 @@ typedef struct CPUARMState {
#ifdef TARGET_AARCH64
/* Store FFR as pregs[16] to make it easier to treat as any other. */
#define FFR_PRED_NUM 16
ARMPredicateReg pregs[17];
/* Scratch space for aa64 sve predicate temporary. */
ARMPredicateReg preg_tmp;
@ -2909,4 +2910,7 @@ static inline uint64_t *aa64_vfp_qreg(CPUARMState *env, unsigned regno)
return &env->vfp.zregs[regno].d[0];
}
/* Shared between translate-sve.c and sve_helper.c. */
extern const uint64_t pred_esz_masks[4];
#endif

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@ -20,6 +20,154 @@
DEF_HELPER_FLAGS_2(sve_predtest1, TCG_CALL_NO_WG, i32, i64, i64)
DEF_HELPER_FLAGS_3(sve_predtest, TCG_CALL_NO_WG, i32, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(sve_pfirst, TCG_CALL_NO_WG, i32, ptr, ptr, i32)
DEF_HELPER_FLAGS_3(sve_pnext, TCG_CALL_NO_WG, i32, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_and_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_and_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_and_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_and_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_eor_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_eor_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_eor_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_eor_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_orr_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_orr_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_orr_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_orr_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_bic_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_bic_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_bic_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_bic_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_add_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_add_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_add_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_add_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sub_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sub_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sub_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sub_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smax_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smax_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smax_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smax_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umax_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umax_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umax_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umax_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smin_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smin_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smin_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smin_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umin_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umin_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umin_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umin_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sabd_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sabd_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sabd_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sabd_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_uabd_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_uabd_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_uabd_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_uabd_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_mul_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_mul_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_mul_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_mul_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smulh_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smulh_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smulh_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_smulh_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umulh_zpzz_b, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umulh_zpzz_h, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umulh_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_umulh_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sdiv_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_sdiv_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_udiv_zpzz_s, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_udiv_zpzz_d, TCG_CALL_NO_RWG,
void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_and_pppp, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_bic_pppp, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_eor_pppp, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)

View File

@ -24,25 +24,43 @@
%imm9_16_10 16:s6 10:3
# Either a copy of rd (at bit 0), or a different source
# as propagated via the MOVPRFX instruction.
%reg_movprfx 0:5
###########################################################################
# Named attribute sets. These are used to make nice(er) names
# when creating helpers common to those for the individual
# instruction patterns.
&rr_esz rd rn esz
&rri rd rn imm
&rrr_esz rd rn rm esz
&rprr_s rd pg rn rm s
&rprr_esz rd pg rn rm esz
###########################################################################
# Named instruction formats. These are generally used to
# reduce the amount of duplication between instruction patterns.
# Two operand with unused vector element size
@pd_pn_e0 ........ ........ ....... rn:4 . rd:4 &rr_esz esz=0
# Two operand
@pd_pn ........ esz:2 .. .... ....... rn:4 . rd:4 &rr_esz
# Three operand with unused vector element size
@rd_rn_rm_e0 ........ ... rm:5 ... ... rn:5 rd:5 &rrr_esz esz=0
# Three predicate operand, with governing predicate, flag setting
@pd_pg_pn_pm_s ........ . s:1 .. rm:4 .. pg:4 . rn:4 . rd:4 &rprr_s
# Two register operand, with governing predicate, vector element size
@rdn_pg_rm ........ esz:2 ... ... ... pg:3 rm:5 rd:5 \
&rprr_esz rn=%reg_movprfx
@rdm_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 \
&rprr_esz rm=%reg_movprfx
# Basic Load/Store with 9-bit immediate offset
@pd_rn_i9 ........ ........ ...... rn:5 . rd:4 \
&rri imm=%imm9_16_10
@ -52,6 +70,37 @@
###########################################################################
# Instruction patterns. Grouped according to the SVE encodingindex.xhtml.
### SVE Integer Arithmetic - Binary Predicated Group
# SVE bitwise logical vector operations (predicated)
ORR_zpzz 00000100 .. 011 000 000 ... ..... ..... @rdn_pg_rm
EOR_zpzz 00000100 .. 011 001 000 ... ..... ..... @rdn_pg_rm
AND_zpzz 00000100 .. 011 010 000 ... ..... ..... @rdn_pg_rm
BIC_zpzz 00000100 .. 011 011 000 ... ..... ..... @rdn_pg_rm
# SVE integer add/subtract vectors (predicated)
ADD_zpzz 00000100 .. 000 000 000 ... ..... ..... @rdn_pg_rm
SUB_zpzz 00000100 .. 000 001 000 ... ..... ..... @rdn_pg_rm
SUB_zpzz 00000100 .. 000 011 000 ... ..... ..... @rdm_pg_rn # SUBR
# SVE integer min/max/difference (predicated)
SMAX_zpzz 00000100 .. 001 000 000 ... ..... ..... @rdn_pg_rm
UMAX_zpzz 00000100 .. 001 001 000 ... ..... ..... @rdn_pg_rm
SMIN_zpzz 00000100 .. 001 010 000 ... ..... ..... @rdn_pg_rm
UMIN_zpzz 00000100 .. 001 011 000 ... ..... ..... @rdn_pg_rm
SABD_zpzz 00000100 .. 001 100 000 ... ..... ..... @rdn_pg_rm
UABD_zpzz 00000100 .. 001 101 000 ... ..... ..... @rdn_pg_rm
# SVE integer multiply/divide (predicated)
MUL_zpzz 00000100 .. 010 000 000 ... ..... ..... @rdn_pg_rm
SMULH_zpzz 00000100 .. 010 010 000 ... ..... ..... @rdn_pg_rm
UMULH_zpzz 00000100 .. 010 011 000 ... ..... ..... @rdn_pg_rm
# Note that divide requires size >= 2; below 2 is unallocated.
SDIV_zpzz 00000100 .. 010 100 000 ... ..... ..... @rdn_pg_rm
UDIV_zpzz 00000100 .. 010 101 000 ... ..... ..... @rdn_pg_rm
SDIV_zpzz 00000100 .. 010 110 000 ... ..... ..... @rdm_pg_rn # SDIVR
UDIV_zpzz 00000100 .. 010 111 000 ... ..... ..... @rdm_pg_rn # UDIVR
### SVE Logical - Unpredicated Group
# SVE bitwise logical operations (unpredicated)
@ -77,6 +126,30 @@ NAND_pppp 00100101 1. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
# SVE predicate test
PTEST 00100101 01 010000 11 pg:4 0 rn:4 0 0000
# SVE predicate initialize
PTRUE 00100101 esz:2 01100 s:1 111000 pat:5 0 rd:4
# SVE initialize FFR
SETFFR 00100101 0010 1100 1001 0000 0000 0000
# SVE zero predicate register
PFALSE 00100101 0001 1000 1110 0100 0000 rd:4
# SVE predicate read from FFR (predicated)
RDFFR_p 00100101 0 s:1 0110001111000 pg:4 0 rd:4
# SVE predicate read from FFR (unpredicated)
RDFFR 00100101 0001 1001 1111 0000 0000 rd:4
# SVE FFR write from predicate (WRFFR)
WRFFR 00100101 0010 1000 1001 000 rn:4 00000
# SVE predicate first active
PFIRST 00100101 01 011 000 11000 00 .... 0 .... @pd_pn_e0
# SVE predicate next active
PNEXT 00100101 .. 011 001 11000 10 .... 0 .... @pd_pn
### SVE Memory - 32-bit Gather and Unsized Contiguous Group
# SVE load predicate register

View File

@ -24,6 +24,21 @@
#include "exec/helper-proto.h"
#include "tcg/tcg-gvec-desc.h"
/* Note that vector data is stored in host-endian 64-bit chunks,
so addressing units smaller than that needs a host-endian fixup. */
#ifdef HOST_WORDS_BIGENDIAN
#define H1(x) ((x) ^ 7)
#define H1_2(x) ((x) ^ 6)
#define H1_4(x) ((x) ^ 4)
#define H2(x) ((x) ^ 3)
#define H4(x) ((x) ^ 1)
#else
#define H1(x) (x)
#define H1_2(x) (x)
#define H1_4(x) (x)
#define H2(x) (x)
#define H4(x) (x)
#endif
/* Return a value for NZCV as per the ARM PredTest pseudofunction.
*
@ -115,3 +130,265 @@ LOGICAL_PPPP(sve_nand_pppp, DO_NAND)
#undef DO_NAND
#undef DO_SEL
#undef LOGICAL_PPPP
/* Fully general three-operand expander, controlled by a predicate.
* This is complicated by the host-endian storage of the register file.
*/
/* ??? I don't expect the compiler could ever vectorize this itself.
* With some tables we can convert bit masks to byte masks, and with
* extra care wrt byte/word ordering we could use gcc generic vectors
* and do 16 bytes at a time.
*/
#define DO_ZPZZ(NAME, TYPE, H, OP) \
void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
{ \
intptr_t i, opr_sz = simd_oprsz(desc); \
for (i = 0; i < opr_sz; ) { \
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
do { \
if (pg & 1) { \
TYPE nn = *(TYPE *)(vn + H(i)); \
TYPE mm = *(TYPE *)(vm + H(i)); \
*(TYPE *)(vd + H(i)) = OP(nn, mm); \
} \
i += sizeof(TYPE), pg >>= sizeof(TYPE); \
} while (i & 15); \
} \
}
/* Similarly, specialized for 64-bit operands. */
#define DO_ZPZZ_D(NAME, TYPE, OP) \
void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
{ \
intptr_t i, opr_sz = simd_oprsz(desc) / 8; \
TYPE *d = vd, *n = vn, *m = vm; \
uint8_t *pg = vg; \
for (i = 0; i < opr_sz; i += 1) { \
if (pg[H1(i)] & 1) { \
TYPE nn = n[i], mm = m[i]; \
d[i] = OP(nn, mm); \
} \
} \
}
#define DO_AND(N, M) (N & M)
#define DO_EOR(N, M) (N ^ M)
#define DO_ORR(N, M) (N | M)
#define DO_BIC(N, M) (N & ~M)
#define DO_ADD(N, M) (N + M)
#define DO_SUB(N, M) (N - M)
#define DO_MAX(N, M) ((N) >= (M) ? (N) : (M))
#define DO_MIN(N, M) ((N) >= (M) ? (M) : (N))
#define DO_ABD(N, M) ((N) >= (M) ? (N) - (M) : (M) - (N))
#define DO_MUL(N, M) (N * M)
#define DO_DIV(N, M) (M ? N / M : 0)
DO_ZPZZ(sve_and_zpzz_b, uint8_t, H1, DO_AND)
DO_ZPZZ(sve_and_zpzz_h, uint16_t, H1_2, DO_AND)
DO_ZPZZ(sve_and_zpzz_s, uint32_t, H1_4, DO_AND)
DO_ZPZZ_D(sve_and_zpzz_d, uint64_t, DO_AND)
DO_ZPZZ(sve_orr_zpzz_b, uint8_t, H1, DO_ORR)
DO_ZPZZ(sve_orr_zpzz_h, uint16_t, H1_2, DO_ORR)
DO_ZPZZ(sve_orr_zpzz_s, uint32_t, H1_4, DO_ORR)
DO_ZPZZ_D(sve_orr_zpzz_d, uint64_t, DO_ORR)
DO_ZPZZ(sve_eor_zpzz_b, uint8_t, H1, DO_EOR)
DO_ZPZZ(sve_eor_zpzz_h, uint16_t, H1_2, DO_EOR)
DO_ZPZZ(sve_eor_zpzz_s, uint32_t, H1_4, DO_EOR)
DO_ZPZZ_D(sve_eor_zpzz_d, uint64_t, DO_EOR)
DO_ZPZZ(sve_bic_zpzz_b, uint8_t, H1, DO_BIC)
DO_ZPZZ(sve_bic_zpzz_h, uint16_t, H1_2, DO_BIC)
DO_ZPZZ(sve_bic_zpzz_s, uint32_t, H1_4, DO_BIC)
DO_ZPZZ_D(sve_bic_zpzz_d, uint64_t, DO_BIC)
DO_ZPZZ(sve_add_zpzz_b, uint8_t, H1, DO_ADD)
DO_ZPZZ(sve_add_zpzz_h, uint16_t, H1_2, DO_ADD)
DO_ZPZZ(sve_add_zpzz_s, uint32_t, H1_4, DO_ADD)
DO_ZPZZ_D(sve_add_zpzz_d, uint64_t, DO_ADD)
DO_ZPZZ(sve_sub_zpzz_b, uint8_t, H1, DO_SUB)
DO_ZPZZ(sve_sub_zpzz_h, uint16_t, H1_2, DO_SUB)
DO_ZPZZ(sve_sub_zpzz_s, uint32_t, H1_4, DO_SUB)
DO_ZPZZ_D(sve_sub_zpzz_d, uint64_t, DO_SUB)
DO_ZPZZ(sve_smax_zpzz_b, int8_t, H1, DO_MAX)
DO_ZPZZ(sve_smax_zpzz_h, int16_t, H1_2, DO_MAX)
DO_ZPZZ(sve_smax_zpzz_s, int32_t, H1_4, DO_MAX)
DO_ZPZZ_D(sve_smax_zpzz_d, int64_t, DO_MAX)
DO_ZPZZ(sve_umax_zpzz_b, uint8_t, H1, DO_MAX)
DO_ZPZZ(sve_umax_zpzz_h, uint16_t, H1_2, DO_MAX)
DO_ZPZZ(sve_umax_zpzz_s, uint32_t, H1_4, DO_MAX)
DO_ZPZZ_D(sve_umax_zpzz_d, uint64_t, DO_MAX)
DO_ZPZZ(sve_smin_zpzz_b, int8_t, H1, DO_MIN)
DO_ZPZZ(sve_smin_zpzz_h, int16_t, H1_2, DO_MIN)
DO_ZPZZ(sve_smin_zpzz_s, int32_t, H1_4, DO_MIN)
DO_ZPZZ_D(sve_smin_zpzz_d, int64_t, DO_MIN)
DO_ZPZZ(sve_umin_zpzz_b, uint8_t, H1, DO_MIN)
DO_ZPZZ(sve_umin_zpzz_h, uint16_t, H1_2, DO_MIN)
DO_ZPZZ(sve_umin_zpzz_s, uint32_t, H1_4, DO_MIN)
DO_ZPZZ_D(sve_umin_zpzz_d, uint64_t, DO_MIN)
DO_ZPZZ(sve_sabd_zpzz_b, int8_t, H1, DO_ABD)
DO_ZPZZ(sve_sabd_zpzz_h, int16_t, H1_2, DO_ABD)
DO_ZPZZ(sve_sabd_zpzz_s, int32_t, H1_4, DO_ABD)
DO_ZPZZ_D(sve_sabd_zpzz_d, int64_t, DO_ABD)
DO_ZPZZ(sve_uabd_zpzz_b, uint8_t, H1, DO_ABD)
DO_ZPZZ(sve_uabd_zpzz_h, uint16_t, H1_2, DO_ABD)
DO_ZPZZ(sve_uabd_zpzz_s, uint32_t, H1_4, DO_ABD)
DO_ZPZZ_D(sve_uabd_zpzz_d, uint64_t, DO_ABD)
/* Because the computation type is at least twice as large as required,
these work for both signed and unsigned source types. */
static inline uint8_t do_mulh_b(int32_t n, int32_t m)
{
return (n * m) >> 8;
}
static inline uint16_t do_mulh_h(int32_t n, int32_t m)
{
return (n * m) >> 16;
}
static inline uint32_t do_mulh_s(int64_t n, int64_t m)
{
return (n * m) >> 32;
}
static inline uint64_t do_smulh_d(uint64_t n, uint64_t m)
{
uint64_t lo, hi;
muls64(&lo, &hi, n, m);
return hi;
}
static inline uint64_t do_umulh_d(uint64_t n, uint64_t m)
{
uint64_t lo, hi;
mulu64(&lo, &hi, n, m);
return hi;
}
DO_ZPZZ(sve_mul_zpzz_b, uint8_t, H1, DO_MUL)
DO_ZPZZ(sve_mul_zpzz_h, uint16_t, H1_2, DO_MUL)
DO_ZPZZ(sve_mul_zpzz_s, uint32_t, H1_4, DO_MUL)
DO_ZPZZ_D(sve_mul_zpzz_d, uint64_t, DO_MUL)
DO_ZPZZ(sve_smulh_zpzz_b, int8_t, H1, do_mulh_b)
DO_ZPZZ(sve_smulh_zpzz_h, int16_t, H1_2, do_mulh_h)
DO_ZPZZ(sve_smulh_zpzz_s, int32_t, H1_4, do_mulh_s)
DO_ZPZZ_D(sve_smulh_zpzz_d, uint64_t, do_smulh_d)
DO_ZPZZ(sve_umulh_zpzz_b, uint8_t, H1, do_mulh_b)
DO_ZPZZ(sve_umulh_zpzz_h, uint16_t, H1_2, do_mulh_h)
DO_ZPZZ(sve_umulh_zpzz_s, uint32_t, H1_4, do_mulh_s)
DO_ZPZZ_D(sve_umulh_zpzz_d, uint64_t, do_umulh_d)
DO_ZPZZ(sve_sdiv_zpzz_s, int32_t, H1_4, DO_DIV)
DO_ZPZZ_D(sve_sdiv_zpzz_d, int64_t, DO_DIV)
DO_ZPZZ(sve_udiv_zpzz_s, uint32_t, H1_4, DO_DIV)
DO_ZPZZ_D(sve_udiv_zpzz_d, uint64_t, DO_DIV)
#undef DO_ZPZZ
#undef DO_ZPZZ_D
#undef DO_AND
#undef DO_ORR
#undef DO_EOR
#undef DO_BIC
#undef DO_ADD
#undef DO_SUB
#undef DO_MAX
#undef DO_MIN
#undef DO_ABD
#undef DO_MUL
#undef DO_DIV
/* Similar to the ARM LastActiveElement pseudocode function, except the
result is multiplied by the element size. This includes the not found
indication; e.g. not found for esz=3 is -8. */
static intptr_t last_active_element(uint64_t *g, intptr_t words, intptr_t esz)
{
uint64_t mask = pred_esz_masks[esz];
intptr_t i = words;
do {
uint64_t this_g = g[--i] & mask;
if (this_g) {
return i * 64 + (63 - clz64(this_g));
}
} while (i > 0);
return (intptr_t)-1 << esz;
}
uint32_t HELPER(sve_pfirst)(void *vd, void *vg, uint32_t words)
{
uint32_t flags = PREDTEST_INIT;
uint64_t *d = vd, *g = vg;
intptr_t i = 0;
do {
uint64_t this_d = d[i];
uint64_t this_g = g[i];
if (this_g) {
if (!(flags & 4)) {
/* Set in D the first bit of G. */
this_d |= this_g & -this_g;
d[i] = this_d;
}
flags = iter_predtest_fwd(this_d, this_g, flags);
}
} while (++i < words);
return flags;
}
uint32_t HELPER(sve_pnext)(void *vd, void *vg, uint32_t pred_desc)
{
intptr_t words = extract32(pred_desc, 0, SIMD_OPRSZ_BITS);
intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2);
uint32_t flags = PREDTEST_INIT;
uint64_t *d = vd, *g = vg, esz_mask;
intptr_t i, next;
next = last_active_element(vd, words, esz) + (1 << esz);
esz_mask = pred_esz_masks[esz];
/* Similar to the pseudocode for pnext, but scaled by ESZ
so that we find the correct bit. */
if (next < words * 64) {
uint64_t mask = -1;
if (next & 63) {
mask = ~((1ull << (next & 63)) - 1);
next &= -64;
}
do {
uint64_t this_g = g[next / 64] & esz_mask & mask;
if (this_g != 0) {
next = (next & -64) + ctz64(this_g);
break;
}
next += 64;
mask = -1;
} while (next < words * 64);
}
i = 0;
do {
uint64_t this_d = 0;
if (i == next / 64) {
this_d = 1ull << (next & 63);
}
d[i] = this_d;
flags = iter_predtest_fwd(this_d, g[i] & esz_mask, flags);
} while (++i < words);
return flags;
}

View File

@ -22,6 +22,7 @@
#include "exec/exec-all.h"
#include "tcg-op.h"
#include "tcg-op-gvec.h"
#include "tcg-gvec-desc.h"
#include "arm_ldst.h"
#include "translate.h"
#include "internals.h"
@ -197,6 +198,12 @@ static void do_predtest(DisasContext *s, int dofs, int gofs, int words)
tcg_temp_free_i32(tcg_ctx, t);
}
/* For each element size, the bits within a predicate word that are active. */
const uint64_t pred_esz_masks[4] = {
0xffffffffffffffffull, 0x5555555555555555ull,
0x1111111111111111ull, 0x0101010101010101ull
};
/*
*** SVE Logical - Unpredicated Group
*/
@ -225,6 +232,75 @@ static bool trans_BIC_zzz(DisasContext *s, arg_rrr_esz *a, uint32_t insn)
return do_vector3_z(s, tcg_gen_gvec_andc, 0, a->rd, a->rn, a->rm);
}
/*
*** SVE Integer Arithmetic - Binary Predicated Group
*/
static bool do_zpzz_ool(DisasContext *s, arg_rprr_esz *a, gen_helper_gvec_4 *fn)
{
unsigned vsz = vec_full_reg_size(s);
if (fn == NULL) {
return false;
}
if (sve_access_check(s)) {
TCGContext *tcg_ctx = s->uc->tcg_ctx;
tcg_gen_gvec_4_ool(tcg_ctx, vec_full_reg_offset(s, a->rd),
vec_full_reg_offset(s, a->rn),
vec_full_reg_offset(s, a->rm),
pred_full_reg_offset(s, a->pg),
vsz, vsz, 0, fn);
}
return true;
}
#define DO_ZPZZ(NAME, name) \
static bool trans_##NAME##_zpzz(DisasContext *s, arg_rprr_esz *a, \
uint32_t insn) \
{ \
static gen_helper_gvec_4 * const fns[4] = { \
gen_helper_sve_##name##_zpzz_b, gen_helper_sve_##name##_zpzz_h, \
gen_helper_sve_##name##_zpzz_s, gen_helper_sve_##name##_zpzz_d, \
}; \
return do_zpzz_ool(s, a, fns[a->esz]); \
}
DO_ZPZZ(AND, and)
DO_ZPZZ(EOR, eor)
DO_ZPZZ(ORR, orr)
DO_ZPZZ(BIC, bic)
DO_ZPZZ(ADD, add)
DO_ZPZZ(SUB, sub)
DO_ZPZZ(SMAX, smax)
DO_ZPZZ(UMAX, umax)
DO_ZPZZ(SMIN, smin)
DO_ZPZZ(UMIN, umin)
DO_ZPZZ(SABD, sabd)
DO_ZPZZ(UABD, uabd)
DO_ZPZZ(MUL, mul)
DO_ZPZZ(SMULH, smulh)
DO_ZPZZ(UMULH, umulh)
static bool trans_SDIV_zpzz(DisasContext *s, arg_rprr_esz *a, uint32_t insn)
{
static gen_helper_gvec_4 * const fns[4] = {
NULL, NULL, gen_helper_sve_sdiv_zpzz_s, gen_helper_sve_sdiv_zpzz_d
};
return do_zpzz_ool(s, a, fns[a->esz]);
}
static bool trans_UDIV_zpzz(DisasContext *s, arg_rprr_esz *a, uint32_t insn)
{
static gen_helper_gvec_4 * const fns[4] = {
NULL, NULL, gen_helper_sve_udiv_zpzz_s, gen_helper_sve_udiv_zpzz_d
};
return do_zpzz_ool(s, a, fns[a->esz]);
}
#undef DO_ZPZZ
/*
*** SVE Predicate Logical Operations Group
*/
@ -580,6 +656,210 @@ static bool trans_PTEST(DisasContext *s, arg_PTEST *a, uint32_t insn)
return true;
}
/* See the ARM pseudocode DecodePredCount. */
static unsigned decode_pred_count(unsigned fullsz, int pattern, int esz)
{
unsigned elements = fullsz >> esz;
unsigned bound;
switch (pattern) {
case 0x0: /* POW2 */
return pow2floor(elements);
case 0x1: /* VL1 */
case 0x2: /* VL2 */
case 0x3: /* VL3 */
case 0x4: /* VL4 */
case 0x5: /* VL5 */
case 0x6: /* VL6 */
case 0x7: /* VL7 */
case 0x8: /* VL8 */
bound = pattern;
break;
case 0x9: /* VL16 */
case 0xa: /* VL32 */
case 0xb: /* VL64 */
case 0xc: /* VL128 */
case 0xd: /* VL256 */
bound = 16 << (pattern - 9);
break;
case 0x1d: /* MUL4 */
return elements - elements % 4;
case 0x1e: /* MUL3 */
return elements - elements % 3;
case 0x1f: /* ALL */
return elements;
default: /* #uimm5 */
return 0;
}
return elements >= bound ? bound : 0;
}
/* This handles all of the predicate initialization instructions,
* PTRUE, PFALSE, SETFFR. For PFALSE, we will have set PAT == 32
* so that decode_pred_count returns 0. For SETFFR, we will have
* set RD == 16 == FFR.
*/
static bool do_predset(DisasContext *s, int esz, int rd, int pat, bool setflag)
{
if (!sve_access_check(s)) {
return true;
}
TCGContext *tcg_ctx = s->uc->tcg_ctx;
unsigned fullsz = vec_full_reg_size(s);
unsigned ofs = pred_full_reg_offset(s, rd);
unsigned numelem, setsz, i;
uint64_t word, lastword;
TCGv_i64 t;
numelem = decode_pred_count(fullsz, pat, esz);
/* Determine what we must store into each bit, and how many. */
if (numelem == 0) {
lastword = word = 0;
setsz = fullsz;
} else {
setsz = numelem << esz;
lastword = word = pred_esz_masks[esz];
if (setsz % 64) {
lastword &= ~(-1ull << (setsz % 64));
}
}
t = tcg_temp_new_i64(tcg_ctx);
if (fullsz <= 64) {
tcg_gen_movi_i64(tcg_ctx, t, lastword);
tcg_gen_st_i64(tcg_ctx, t, tcg_ctx->cpu_env, ofs);
goto done;
}
if (word == lastword) {
unsigned maxsz = size_for_gvec(fullsz / 8);
unsigned oprsz = size_for_gvec(setsz / 8);
if (oprsz * 8 == setsz) {
tcg_gen_gvec_dup64i(tcg_ctx, ofs, oprsz, maxsz, word);
goto done;
}
if (oprsz * 8 == setsz + 8) {
tcg_gen_gvec_dup64i(tcg_ctx, ofs, oprsz, maxsz, word);
tcg_gen_movi_i64(tcg_ctx, t, 0);
tcg_gen_st_i64(tcg_ctx, t, tcg_ctx->cpu_env, ofs + oprsz - 8);
goto done;
}
}
setsz /= 8;
fullsz /= 8;
tcg_gen_movi_i64(tcg_ctx, t, word);
for (i = 0; i < setsz; i += 8) {
tcg_gen_st_i64(tcg_ctx, t, tcg_ctx->cpu_env, ofs + i);
}
if (lastword != word) {
tcg_gen_movi_i64(tcg_ctx, t, lastword);
tcg_gen_st_i64(tcg_ctx, t, tcg_ctx->cpu_env, ofs + i);
i += 8;
}
if (i < fullsz) {
tcg_gen_movi_i64(tcg_ctx, t, 0);
for (; i < fullsz; i += 8) {
tcg_gen_st_i64(tcg_ctx, t, tcg_ctx->cpu_env, ofs + i);
}
}
done:
tcg_temp_free_i64(tcg_ctx, t);
/* PTRUES */
if (setflag) {
tcg_gen_movi_i32(tcg_ctx, tcg_ctx->cpu_NF, -(word != 0));
tcg_gen_movi_i32(tcg_ctx, tcg_ctx->cpu_CF, word == 0);
tcg_gen_movi_i32(tcg_ctx, tcg_ctx->cpu_VF, 0);
tcg_gen_mov_i32(tcg_ctx, tcg_ctx->cpu_ZF, tcg_ctx->cpu_NF);
}
return true;
}
static bool trans_PTRUE(DisasContext *s, arg_PTRUE *a, uint32_t insn)
{
return do_predset(s, a->esz, a->rd, a->pat, a->s);
}
static bool trans_SETFFR(DisasContext *s, arg_SETFFR *a, uint32_t insn)
{
/* Note pat == 31 is #all, to set all elements. */
return do_predset(s, 0, FFR_PRED_NUM, 31, false);
}
static bool trans_PFALSE(DisasContext *s, arg_PFALSE *a, uint32_t insn)
{
/* Note pat == 32 is #unimp, to set no elements. */
return do_predset(s, 0, a->rd, 32, false);
}
static bool trans_RDFFR_p(DisasContext *s, arg_RDFFR_p *a, uint32_t insn)
{
/* The path through do_pppp_flags is complicated enough to want to avoid
* duplication. Frob the arguments into the form of a predicated AND.
*/
arg_rprr_s alt_a = {
.rd = a->rd, .pg = a->pg, .s = a->s,
.rn = FFR_PRED_NUM, .rm = FFR_PRED_NUM,
};
return trans_AND_pppp(s, &alt_a, insn);
}
static bool trans_RDFFR(DisasContext *s, arg_RDFFR *a, uint32_t insn)
{
return do_mov_p(s, a->rd, FFR_PRED_NUM);
}
static bool trans_WRFFR(DisasContext *s, arg_WRFFR *a, uint32_t insn)
{
return do_mov_p(s, FFR_PRED_NUM, a->rn);
}
static bool do_pfirst_pnext(DisasContext *s, arg_rr_esz *a,
void (*gen_fn)(TCGContext *, TCGv_i32, TCGv_ptr,
TCGv_ptr, TCGv_i32))
{
if (!sve_access_check(s)) {
return true;
}
TCGContext *tcg_ctx = s->uc->tcg_ctx;
TCGv_ptr t_pd = tcg_temp_new_ptr(tcg_ctx);
TCGv_ptr t_pg = tcg_temp_new_ptr(tcg_ctx);
TCGv_i32 t;
unsigned desc;
desc = DIV_ROUND_UP(pred_full_reg_size(s), 8);
desc = deposit32(desc, SIMD_DATA_SHIFT, 2, a->esz);
tcg_gen_addi_ptr(tcg_ctx, t_pd, tcg_ctx->cpu_env, pred_full_reg_offset(s, a->rd));
tcg_gen_addi_ptr(tcg_ctx, t_pg, tcg_ctx->cpu_env, pred_full_reg_offset(s, a->rn));
t = tcg_const_i32(tcg_ctx, desc);
gen_fn(tcg_ctx, t, t_pd, t_pg, t);
tcg_temp_free_ptr(tcg_ctx, t_pd);
tcg_temp_free_ptr(tcg_ctx, t_pg);
do_pred_flags(s, t);
tcg_temp_free_i32(tcg_ctx, t);
return true;
}
static bool trans_PFIRST(DisasContext *s, arg_rr_esz *a, uint32_t insn)
{
return do_pfirst_pnext(s, a, gen_helper_sve_pfirst);
}
static bool trans_PNEXT(DisasContext *s, arg_rr_esz *a, uint32_t insn)
{
return do_pfirst_pnext(s, a, gen_helper_sve_pnext);
}
/*
*** SVE Memory - 32-bit Gather and Unsized Contiguous Group
*/