diff options
Diffstat (limited to 'target/arm/sve_helper.c')
| -rw-r--r-- | target/arm/sve_helper.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index ece3a81ad3..a5d12603e5 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -465,6 +465,41 @@ DO_ZPZZ_D(sve_lsl_zpzz_d, uint64_t, DO_LSL) #undef DO_ZPZZ #undef DO_ZPZZ_D +/* Three-operand expander, controlled by a predicate, in which the + * third operand is "wide". That is, for D = N op M, the same 64-bit + * value of M is used with all of the narrower values of N. + */ +#define DO_ZPZW(NAME, TYPE, TYPEW, H, OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + for (i = 0; i < opr_sz; ) { \ + uint8_t pg = *(uint8_t *)(vg + H1(i >> 3)); \ + TYPEW mm = *(TYPEW *)(vm + i); \ + do { \ + if (pg & 1) { \ + TYPE nn = *(TYPE *)(vn + H(i)); \ + *(TYPE *)(vd + H(i)) = OP(nn, mm); \ + } \ + i += sizeof(TYPE), pg >>= sizeof(TYPE); \ + } while (i & 7); \ + } \ +} + +DO_ZPZW(sve_asr_zpzw_b, int8_t, uint64_t, H1, DO_ASR) +DO_ZPZW(sve_lsr_zpzw_b, uint8_t, uint64_t, H1, DO_LSR) +DO_ZPZW(sve_lsl_zpzw_b, uint8_t, uint64_t, H1, DO_LSL) + +DO_ZPZW(sve_asr_zpzw_h, int16_t, uint64_t, H1_2, DO_ASR) +DO_ZPZW(sve_lsr_zpzw_h, uint16_t, uint64_t, H1_2, DO_LSR) +DO_ZPZW(sve_lsl_zpzw_h, uint16_t, uint64_t, H1_2, DO_LSL) + +DO_ZPZW(sve_asr_zpzw_s, int32_t, uint64_t, H1_4, DO_ASR) +DO_ZPZW(sve_lsr_zpzw_s, uint32_t, uint64_t, H1_4, DO_LSR) +DO_ZPZW(sve_lsl_zpzw_s, uint32_t, uint64_t, H1_4, DO_LSL) + +#undef DO_ZPZW + /* Two-operand reduction expander, controlled by a predicate. * The difference between TYPERED and TYPERET has to do with * sign-extension. E.g. for SMAX, TYPERED must be signed, |