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target/arm: Implement SVE scatter stores

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180627043328.11531-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-06-29 15:11:05 +01:00 • committed by Peter Maydell
parent 5047c204d0
commit f6dbf62a7e
4 changed files with 216 additions and 0 deletions
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61
target/arm/sve_helper.c
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@ -3713,3 +3713,64 @@ void HELPER(sve_st4dd_r)(CPUARMState *env, void *vg,
addr += 4 * 8;
}
}
/* Stores with a vector index. */
#define DO_ST1_ZPZ_S(NAME, TYPEI, FN) \
void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \
target_ulong base, uint32_t desc) \
{ \
intptr_t i, oprsz = simd_oprsz(desc); \
unsigned scale = simd_data(desc); \
uintptr_t ra = GETPC(); \
for (i = 0; i < oprsz; ) { \
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
do { \
if (likely(pg & 1)) { \
target_ulong off = *(TYPEI *)(vm + H1_4(i)); \
uint32_t d = *(uint32_t *)(vd + H1_4(i)); \
FN(env, base + (off << scale), d, ra); \
} \
i += sizeof(uint32_t), pg >>= sizeof(uint32_t); \
} while (i & 15); \
} \
}
#define DO_ST1_ZPZ_D(NAME, TYPEI, FN) \
void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \
target_ulong base, uint32_t desc) \
{ \
intptr_t i, oprsz = simd_oprsz(desc) / 8; \
unsigned scale = simd_data(desc); \
uintptr_t ra = GETPC(); \
uint64_t *d = vd, *m = vm; uint8_t *pg = vg; \
for (i = 0; i < oprsz; i++) { \
if (likely(pg[H1(i)] & 1)) { \
target_ulong off = (target_ulong)(TYPEI)m[i] << scale; \
FN(env, base + off, d[i], ra); \
} \
} \
}
DO_ST1_ZPZ_S(sve_stbs_zsu, uint32_t, cpu_stb_data_ra)
DO_ST1_ZPZ_S(sve_sths_zsu, uint32_t, cpu_stw_data_ra)
DO_ST1_ZPZ_S(sve_stss_zsu, uint32_t, cpu_stl_data_ra)
DO_ST1_ZPZ_S(sve_stbs_zss, int32_t, cpu_stb_data_ra)
DO_ST1_ZPZ_S(sve_sths_zss, int32_t, cpu_stw_data_ra)
DO_ST1_ZPZ_S(sve_stss_zss, int32_t, cpu_stl_data_ra)
DO_ST1_ZPZ_D(sve_stbd_zsu, uint32_t, cpu_stb_data_ra)
DO_ST1_ZPZ_D(sve_sthd_zsu, uint32_t, cpu_stw_data_ra)
DO_ST1_ZPZ_D(sve_stsd_zsu, uint32_t, cpu_stl_data_ra)
DO_ST1_ZPZ_D(sve_stdd_zsu, uint32_t, cpu_stq_data_ra)
DO_ST1_ZPZ_D(sve_stbd_zss, int32_t, cpu_stb_data_ra)
DO_ST1_ZPZ_D(sve_sthd_zss, int32_t, cpu_stw_data_ra)
DO_ST1_ZPZ_D(sve_stsd_zss, int32_t, cpu_stl_data_ra)
DO_ST1_ZPZ_D(sve_stdd_zss, int32_t, cpu_stq_data_ra)
DO_ST1_ZPZ_D(sve_stbd_zd, uint64_t, cpu_stb_data_ra)
DO_ST1_ZPZ_D(sve_sthd_zd, uint64_t, cpu_stw_data_ra)
DO_ST1_ZPZ_D(sve_stsd_zd, uint64_t, cpu_stl_data_ra)
DO_ST1_ZPZ_D(sve_stdd_zd, uint64_t, cpu_stq_data_ra)