diff options
Diffstat (limited to 'target/loongarch/lsx_helper.c')
| -rw-r--r-- | target/loongarch/lsx_helper.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/target/loongarch/lsx_helper.c b/target/loongarch/lsx_helper.c index 21d9714..da9eccc 100644 --- a/target/loongarch/lsx_helper.c +++ b/target/loongarch/lsx_helper.c @@ -2660,3 +2660,57 @@ VCMPI(vslti_bu, 8, UB, VSLT) VCMPI(vslti_hu, 16, UH, VSLT) VCMPI(vslti_wu, 32, UW, VSLT) VCMPI(vslti_du, 64, UD, VSLT) + +static uint64_t vfcmp_common(CPULoongArchState *env, + FloatRelation cmp, uint32_t flags) +{ + uint64_t ret = 0; + + switch (cmp) { + case float_relation_less: + ret = (flags & FCMP_LT); + break; + case float_relation_equal: + ret = (flags & FCMP_EQ); + break; + case float_relation_greater: + ret = (flags & FCMP_GT); + break; + case float_relation_unordered: + ret = (flags & FCMP_UN); + break; + default: + g_assert_not_reached(); + } + + if (ret) { + ret = -1; + } + + return ret; +} + +#define VFCMP(NAME, BIT, E, FN) \ +void HELPER(NAME)(CPULoongArchState *env, \ + uint32_t vd, uint32_t vj, uint32_t vk, uint32_t flags) \ +{ \ + int i; \ + VReg t; \ + VReg *Vd = &(env->fpr[vd].vreg); \ + VReg *Vj = &(env->fpr[vj].vreg); \ + VReg *Vk = &(env->fpr[vk].vreg); \ + \ + vec_clear_cause(env); \ + for (i = 0; i < LSX_LEN/BIT ; i++) { \ + FloatRelation cmp; \ + cmp = FN(Vj->E(i), Vk->E(i), &env->fp_status); \ + t.E(i) = vfcmp_common(env, cmp, flags); \ + vec_update_fcsr0(env, GETPC()); \ + } \ + *Vd = t; \ +} + +VFCMP(vfcmp_c_s, 32, UW, float32_compare_quiet) +VFCMP(vfcmp_s_s, 32, UW, float32_compare) +VFCMP(vfcmp_c_d, 64, UD, float64_compare_quiet) +VFCMP(vfcmp_s_d, 64, UD, float64_compare) |