diff options
Diffstat (limited to 'target/arm')
| -rw-r--r-- | target/arm/helper-a64.c | 49 | ||||
| -rw-r--r-- | target/arm/helper-a64.h | 5 | ||||
| -rw-r--r-- | target/arm/translate-a64.c | 15 |
3 files changed, 69 insertions, 0 deletions
diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c index 931a6d3c34..d0b284fec4 100644 --- a/target/arm/helper-a64.c +++ b/target/arm/helper-a64.c @@ -594,3 +594,52 @@ ADVSIMD_HALFOP(min) ADVSIMD_HALFOP(max) ADVSIMD_HALFOP(minnum) ADVSIMD_HALFOP(maxnum) + +/* + * Floating point comparisons produce an integer result. Softfloat + * routines return float_relation types which we convert to the 0/-1 + * Neon requires. + */ + +#define ADVSIMD_CMPRES(test) (test) ? 0xffff : 0 + +uint32_t HELPER(advsimd_ceq_f16)(float16 a, float16 b, void *fpstp) +{ + float_status *fpst = fpstp; + int compare = float16_compare_quiet(a, b, fpst); + return ADVSIMD_CMPRES(compare == float_relation_equal); +} + +uint32_t HELPER(advsimd_cge_f16)(float16 a, float16 b, void *fpstp) +{ + float_status *fpst = fpstp; + int compare = float16_compare(a, b, fpst); + return ADVSIMD_CMPRES(compare == float_relation_greater || + compare == float_relation_equal); +} + +uint32_t HELPER(advsimd_cgt_f16)(float16 a, float16 b, void *fpstp) +{ + float_status *fpst = fpstp; + int compare = float16_compare(a, b, fpst); + return ADVSIMD_CMPRES(compare == float_relation_greater); +} + +uint32_t HELPER(advsimd_acge_f16)(float16 a, float16 b, void *fpstp) +{ + float_status *fpst = fpstp; + float16 f0 = float16_abs(a); + float16 f1 = float16_abs(b); + int compare = float16_compare(f0, f1, fpst); + return ADVSIMD_CMPRES(compare == float_relation_greater || + compare == float_relation_equal); +} + +uint32_t HELPER(advsimd_acgt_f16)(float16 a, float16 b, void *fpstp) +{ + float_status *fpst = fpstp; + float16 f0 = float16_abs(a); + float16 f1 = float16_abs(b); + int compare = float16_compare(f0, f1, fpst); + return ADVSIMD_CMPRES(compare == float_relation_greater); +} diff --git a/target/arm/helper-a64.h b/target/arm/helper-a64.h index bac9469426..1cf40bda5e 100644 --- a/target/arm/helper-a64.h +++ b/target/arm/helper-a64.h @@ -56,3 +56,8 @@ DEF_HELPER_3(advsimd_addh, f16, f16, f16, ptr) DEF_HELPER_3(advsimd_subh, f16, f16, f16, ptr) DEF_HELPER_3(advsimd_mulh, f16, f16, f16, ptr) DEF_HELPER_3(advsimd_divh, f16, f16, f16, ptr) +DEF_HELPER_3(advsimd_ceq_f16, i32, f16, f16, ptr) +DEF_HELPER_3(advsimd_cge_f16, i32, f16, f16, ptr) +DEF_HELPER_3(advsimd_cgt_f16, i32, f16, f16, ptr) +DEF_HELPER_3(advsimd_acge_f16, i32, f16, f16, ptr) +DEF_HELPER_3(advsimd_acgt_f16, i32, f16, f16, ptr) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index f8770ee1e9..fb74dc1c45 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -10289,6 +10289,9 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) case 0x2: /* FADD */ gen_helper_advsimd_addh(tcg_res, tcg_op1, tcg_op2, fpst); break; + case 0x4: /* FCMEQ */ + gen_helper_advsimd_ceq_f16(tcg_res, tcg_op1, tcg_op2, fpst); + break; case 0x6: /* FMAX */ gen_helper_advsimd_maxh(tcg_res, tcg_op1, tcg_op2, fpst); break; @@ -10304,6 +10307,12 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) case 0x13: /* FMUL */ gen_helper_advsimd_mulh(tcg_res, tcg_op1, tcg_op2, fpst); break; + case 0x14: /* FCMGE */ + gen_helper_advsimd_cge_f16(tcg_res, tcg_op1, tcg_op2, fpst); + break; + case 0x15: /* FACGE */ + gen_helper_advsimd_acge_f16(tcg_res, tcg_op1, tcg_op2, fpst); + break; case 0x17: /* FDIV */ gen_helper_advsimd_divh(tcg_res, tcg_op1, tcg_op2, fpst); break; @@ -10311,6 +10320,12 @@ static void disas_simd_three_reg_same_fp16(DisasContext *s, uint32_t insn) gen_helper_advsimd_subh(tcg_res, tcg_op1, tcg_op2, fpst); tcg_gen_andi_i32(tcg_res, tcg_res, 0x7fff); break; + case 0x1c: /* FCMGT */ + gen_helper_advsimd_cgt_f16(tcg_res, tcg_op1, tcg_op2, fpst); + break; + case 0x1d: /* FACGT */ + gen_helper_advsimd_acgt_f16(tcg_res, tcg_op1, tcg_op2, fpst); + break; default: fprintf(stderr, "%s: insn %#04x, fpop %#2x @ %#" PRIx64 "\n", __func__, insn, fpopcode, s->pc); |