c7aa330903
Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230914022645.1151356-57-gaosong@loongson.cn>
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* QEMU LoongArch vector utilitites
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*
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* Copyright (c) 2023 Loongson Technology Corporation Limited
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*/
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#ifndef LOONGARCH_VEC_H
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#define LOONGARCH_VEC_H
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#if HOST_BIG_ENDIAN
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#define B(x) B[(x) ^ 15]
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#define H(x) H[(x) ^ 7]
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#define W(x) W[(x) ^ 3]
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#define D(x) D[(x) ^ 1]
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#define UB(x) UB[(x) ^ 15]
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#define UH(x) UH[(x) ^ 7]
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#define UW(x) UW[(x) ^ 3]
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#define UD(x) UD[(x) ^ 1]
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#define Q(x) Q[x]
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#else
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#define B(x) B[x]
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#define H(x) H[x]
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#define W(x) W[x]
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#define D(x) D[x]
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#define UB(x) UB[x]
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#define UH(x) UH[x]
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#define UW(x) UW[x]
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#define UD(x) UD[x]
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#define Q(x) Q[x]
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#endif /* HOST_BIG_ENDIAN */
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#define DO_ADD(a, b) (a + b)
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#define DO_SUB(a, b) (a - b)
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#define DO_VAVG(a, b) ((a >> 1) + (b >> 1) + (a & b & 1))
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#define DO_VAVGR(a, b) ((a >> 1) + (b >> 1) + ((a | b) & 1))
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#define DO_VABSD(a, b) ((a > b) ? (a -b) : (b-a))
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#define DO_VABS(a) ((a < 0) ? (-a) : (a))
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#define DO_MIN(a, b) (a < b ? a : b)
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#define DO_MAX(a, b) (a > b ? a : b)
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#define DO_MUL(a, b) (a * b)
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#define DO_MADD(a, b, c) (a + b * c)
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#define DO_MSUB(a, b, c) (a - b * c)
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#define DO_DIVU(N, M) (unlikely(M == 0) ? 0 : N / M)
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#define DO_REMU(N, M) (unlikely(M == 0) ? 0 : N % M)
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#define DO_DIV(N, M) (unlikely(M == 0) ? 0 :\
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unlikely((N == -N) && (M == (__typeof(N))(-1))) ? N : N / M)
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#define DO_REM(N, M) (unlikely(M == 0) ? 0 :\
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unlikely((N == -N) && (M == (__typeof(N))(-1))) ? 0 : N % M)
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#define DO_SIGNCOV(a, b) (a == 0 ? 0 : a < 0 ? -b : b)
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#define R_SHIFT(a, b) (a >> b)
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#define DO_CLO_B(N) (clz32(~N & 0xff) - 24)
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#define DO_CLO_H(N) (clz32(~N & 0xffff) - 16)
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#define DO_CLO_W(N) (clz32(~N))
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#define DO_CLO_D(N) (clz64(~N))
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#define DO_CLZ_B(N) (clz32(N) - 24)
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#define DO_CLZ_H(N) (clz32(N) - 16)
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#define DO_CLZ_W(N) (clz32(N))
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#define DO_CLZ_D(N) (clz64(N))
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#define DO_BITCLR(a, bit) (a & ~(1ull << bit))
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#define DO_BITSET(a, bit) (a | 1ull << bit)
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#define DO_BITREV(a, bit) (a ^ (1ull << bit))
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#define VSEQ(a, b) (a == b ? -1 : 0)
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#define VSLE(a, b) (a <= b ? -1 : 0)
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#define VSLT(a, b) (a < b ? -1 : 0)
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#define SHF_POS(i, imm) (((i) & 0xfc) + (((imm) >> (2 * ((i) & 0x03))) & 0x03))
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#endif /* LOONGARCH_VEC_H */
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