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target/arm: Implement SVE2 integer unary operations (predicated)

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-05-24 18:02:30 -07:00 • committed by Peter Maydell
parent d4b1e59d98
commit db366da809
4 changed files with 88 additions and 0 deletions
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21
target/arm/sve_helper.c
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@ -728,6 +728,27 @@ DO_ZPZ(sve_rbit_h, uint16_t, H1_2, revbit16)
DO_ZPZ(sve_rbit_s, uint32_t, H1_4, revbit32)
DO_ZPZ_D(sve_rbit_d, uint64_t, revbit64)
#define DO_SQABS(X) \
({ __typeof(X) x_ = (X), min_ = 1ull << (sizeof(X) * 8 - 1); \
x_ >= 0 ? x_ : x_ == min_ ? -min_ - 1 : -x_; })
DO_ZPZ(sve2_sqabs_b, int8_t, H1, DO_SQABS)
DO_ZPZ(sve2_sqabs_h, int16_t, H1_2, DO_SQABS)
DO_ZPZ(sve2_sqabs_s, int32_t, H1_4, DO_SQABS)
DO_ZPZ_D(sve2_sqabs_d, int64_t, DO_SQABS)
#define DO_SQNEG(X) \
({ __typeof(X) x_ = (X), min_ = 1ull << (sizeof(X) * 8 - 1); \
x_ == min_ ? -min_ - 1 : -x_; })
DO_ZPZ(sve2_sqneg_b, uint8_t, H1, DO_SQNEG)
DO_ZPZ(sve2_sqneg_h, uint16_t, H1_2, DO_SQNEG)
DO_ZPZ(sve2_sqneg_s, uint32_t, H1_4, DO_SQNEG)
DO_ZPZ_D(sve2_sqneg_d, uint64_t, DO_SQNEG)
DO_ZPZ(sve2_urecpe_s, uint32_t, H1_4, helper_recpe_u32)
DO_ZPZ(sve2_ursqrte_s, uint32_t, H1_4, helper_rsqrte_u32)
/* Three-operand expander, unpredicated, in which the third operand is "wide".
*/
#define DO_ZZW(NAME, TYPE, TYPEW, H, OP) \