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target/loongarch: Implement vsrlr vsrar

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This patch includes:
- VSRLR[I].{B/H/W/D};
- VSRAR[I].{B/H/W/D}.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230504122810.4094787-25-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-05-04 20:27:50 +08:00
parent 9b21a7a510
commit ecb9371675
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GPG key ID: 40A2FFF239263EDF
5 changed files with 176 additions and 0 deletions
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104
target/loongarch/lsx_helper.c
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@ -834,3 +834,107 @@ VSLLWIL(vsllwil_d_w, 64, D, W)
VSLLWIL(vsllwil_hu_bu, 16, UH, UB)
VSLLWIL(vsllwil_wu_hu, 32, UW, UH)
VSLLWIL(vsllwil_du_wu, 64, UD, UW)
#define do_vsrlr(E, T) \
static T do_vsrlr_ ##E(T s1, int sh) \
{ \
if (sh == 0) { \
return s1; \
} else { \
return (s1 >> sh) + ((s1 >> (sh - 1)) & 0x1); \
} \
}
do_vsrlr(B, uint8_t)
do_vsrlr(H, uint16_t)
do_vsrlr(W, uint32_t)
do_vsrlr(D, uint64_t)
#define VSRLR(NAME, BIT, T, E) \
void HELPER(NAME)(CPULoongArchState *env, \
uint32_t vd, uint32_t vj, uint32_t vk) \
{ \
int i; \
VReg *Vd = &(env->fpr[vd].vreg); \
VReg *Vj = &(env->fpr[vj].vreg); \
VReg *Vk = &(env->fpr[vk].vreg); \
\
for (i = 0; i < LSX_LEN/BIT; i++) { \
Vd->E(i) = do_vsrlr_ ## E(Vj->E(i), ((T)Vk->E(i))%BIT); \
} \
}
VSRLR(vsrlr_b, 8, uint8_t, B)
VSRLR(vsrlr_h, 16, uint16_t, H)
VSRLR(vsrlr_w, 32, uint32_t, W)
VSRLR(vsrlr_d, 64, uint64_t, D)
#define VSRLRI(NAME, BIT, E) \
void HELPER(NAME)(CPULoongArchState *env, \
uint32_t vd, uint32_t vj, uint32_t imm) \
{ \
int i; \
VReg *Vd = &(env->fpr[vd].vreg); \
VReg *Vj = &(env->fpr[vj].vreg); \
\
for (i = 0; i < LSX_LEN/BIT; i++) { \
Vd->E(i) = do_vsrlr_ ## E(Vj->E(i), imm); \
} \
}
VSRLRI(vsrlri_b, 8, B)
VSRLRI(vsrlri_h, 16, H)
VSRLRI(vsrlri_w, 32, W)
VSRLRI(vsrlri_d, 64, D)
#define do_vsrar(E, T) \
static T do_vsrar_ ##E(T s1, int sh) \
{ \
if (sh == 0) { \
return s1; \
} else { \
return (s1 >> sh) + ((s1 >> (sh - 1)) & 0x1); \
} \
}
do_vsrar(B, int8_t)
do_vsrar(H, int16_t)
do_vsrar(W, int32_t)
do_vsrar(D, int64_t)
#define VSRAR(NAME, BIT, T, E) \
void HELPER(NAME)(CPULoongArchState *env, \
uint32_t vd, uint32_t vj, uint32_t vk) \
{ \
int i; \
VReg *Vd = &(env->fpr[vd].vreg); \
VReg *Vj = &(env->fpr[vj].vreg); \
VReg *Vk = &(env->fpr[vk].vreg); \
\
for (i = 0; i < LSX_LEN/BIT; i++) { \
Vd->E(i) = do_vsrar_ ## E(Vj->E(i), ((T)Vk->E(i))%BIT); \
} \
}
VSRAR(vsrar_b, 8, uint8_t, B)
VSRAR(vsrar_h, 16, uint16_t, H)
VSRAR(vsrar_w, 32, uint32_t, W)
VSRAR(vsrar_d, 64, uint64_t, D)
#define VSRARI(NAME, BIT, E) \
void HELPER(NAME)(CPULoongArchState *env, \
uint32_t vd, uint32_t vj, uint32_t imm) \
{ \
int i; \
VReg *Vd = &(env->fpr[vd].vreg); \
VReg *Vj = &(env->fpr[vj].vreg); \
\
for (i = 0; i < LSX_LEN/BIT; i++) { \
Vd->E(i) = do_vsrar_ ## E(Vj->E(i), imm); \
} \
}
VSRARI(vsrari_b, 8, B)
VSRARI(vsrari_h, 16, H)
VSRARI(vsrari_w, 32, W)
VSRARI(vsrari_d, 64, D)