diff options
Diffstat (limited to 'target/riscv/vector_helper.c')
| -rw-r--r-- | target/riscv/vector_helper.c | 69 |
1 files changed, 20 insertions, 49 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index d224861c2c..b94f809eb3 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4714,9 +4714,14 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, \ } /* Unordered sum */ -GEN_VEXT_FRED(vfredsum_vs_h, uint16_t, uint16_t, H2, H2, float16_add) -GEN_VEXT_FRED(vfredsum_vs_w, uint32_t, uint32_t, H4, H4, float32_add) -GEN_VEXT_FRED(vfredsum_vs_d, uint64_t, uint64_t, H8, H8, float64_add) +GEN_VEXT_FRED(vfredusum_vs_h, uint16_t, uint16_t, H2, H2, float16_add) +GEN_VEXT_FRED(vfredusum_vs_w, uint32_t, uint32_t, H4, H4, float32_add) +GEN_VEXT_FRED(vfredusum_vs_d, uint64_t, uint64_t, H8, H8, float64_add) + +/* Ordered sum */ +GEN_VEXT_FRED(vfredosum_vs_h, uint16_t, uint16_t, H2, H2, float16_add) +GEN_VEXT_FRED(vfredosum_vs_w, uint32_t, uint32_t, H4, H4, float32_add) +GEN_VEXT_FRED(vfredosum_vs_d, uint64_t, uint64_t, H8, H8, float64_add) /* Maximum value */ GEN_VEXT_FRED(vfredmax_vs_h, uint16_t, uint16_t, H2, H2, float16_maximum_number) @@ -4728,58 +4733,24 @@ GEN_VEXT_FRED(vfredmin_vs_h, uint16_t, uint16_t, H2, H2, float16_minimum_number) GEN_VEXT_FRED(vfredmin_vs_w, uint32_t, uint32_t, H4, H4, float32_minimum_number) GEN_VEXT_FRED(vfredmin_vs_d, uint64_t, uint64_t, H8, H8, float64_minimum_number) -/* Vector Widening Floating-Point Reduction Instructions */ -/* Unordered reduce 2*SEW = 2*SEW + sum(promote(SEW)) */ -void HELPER(vfwredsum_vs_h)(void *vd, void *v0, void *vs1, - void *vs2, CPURISCVState *env, uint32_t desc) +/* Vector Widening Floating-Point Add Instructions */ +static uint32_t fwadd16(uint32_t a, uint16_t b, float_status *s) { - uint32_t vm = vext_vm(desc); - uint32_t vl = env->vl; - uint32_t esz = sizeof(uint32_t); - uint32_t vlenb = simd_maxsz(desc); - uint32_t vta = vext_vta(desc); - uint32_t i; - uint32_t s1 = *((uint32_t *)vs1 + H4(0)); - - for (i = env->vstart; i < vl; i++) { - uint16_t s2 = *((uint16_t *)vs2 + H2(i)); - if (!vm && !vext_elem_mask(v0, i)) { - continue; - } - s1 = float32_add(s1, float16_to_float32(s2, true, &env->fp_status), - &env->fp_status); - } - *((uint32_t *)vd + H4(0)) = s1; - env->vstart = 0; - /* set tail elements to 1s */ - vext_set_elems_1s(vd, vta, esz, vlenb); + return float32_add(a, float16_to_float32(b, true, s), s); } -void HELPER(vfwredsum_vs_w)(void *vd, void *v0, void *vs1, - void *vs2, CPURISCVState *env, uint32_t desc) +static uint64_t fwadd32(uint64_t a, uint32_t b, float_status *s) { - uint32_t vm = vext_vm(desc); - uint32_t vl = env->vl; - uint32_t esz = sizeof(uint64_t); - uint32_t vlenb = simd_maxsz(desc); - uint32_t vta = vext_vta(desc); - uint32_t i; - uint64_t s1 = *((uint64_t *)vs1); - - for (i = env->vstart; i < vl; i++) { - uint32_t s2 = *((uint32_t *)vs2 + H4(i)); - if (!vm && !vext_elem_mask(v0, i)) { - continue; - } - s1 = float64_add(s1, float32_to_float64(s2, &env->fp_status), - &env->fp_status); - } - *((uint64_t *)vd) = s1; - env->vstart = 0; - /* set tail elements to 1s */ - vext_set_elems_1s(vd, vta, esz, vlenb); + return float64_add(a, float32_to_float64(b, s), s); } +/* Vector Widening Floating-Point Reduction Instructions */ +/* Ordered/unordered reduce 2*SEW = 2*SEW + sum(promote(SEW)) */ +GEN_VEXT_FRED(vfwredusum_vs_h, uint32_t, uint16_t, H4, H2, fwadd16) +GEN_VEXT_FRED(vfwredusum_vs_w, uint64_t, uint32_t, H8, H4, fwadd32) +GEN_VEXT_FRED(vfwredosum_vs_h, uint32_t, uint16_t, H4, H2, fwadd16) +GEN_VEXT_FRED(vfwredosum_vs_w, uint64_t, uint32_t, H8, H4, fwadd32) + /* *** Vector Mask Operations */ |