Add a new configure option, --enable-lse, which is only effective for the AArch64 architecture. When used, most ck_pr_* atomics will use Large System Extensions instructions as per the ARMv8.1 specification, rather then LL/SC instruction pairs.ck_pring
Alexey Kopytov
8 years ago
parent
dae84bac06
commit
5f1be5dc83
@ -0,0 +1,352 @@
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/*
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* Copyright 2009-2016 Samy Al Bahra.
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* Copyright 2013-2016 Olivier Houchard.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef CK_PR_AARCH64_LLSC_H
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#define CK_PR_AARCH64_LLSC_H
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#ifndef CK_PR_H
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#error Do not include this file directly, use ck_pr.h
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#endif
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CK_CC_INLINE static bool
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ck_pr_cas_64_2_value(uint64_t target[2], uint64_t compare[2], uint64_t set[2], uint64_t value[2])
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{
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uint64_t tmp1, tmp2;
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__asm__ __volatile__("1:"
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"ldxp %0, %1, [%4];"
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"mov %2, %0;"
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"mov %3, %1;"
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"eor %0, %0, %5;"
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"eor %1, %1, %6;"
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"orr %1, %0, %1;"
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"mov %w0, #0;"
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"cbnz %1, 2f;"
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"stxp %w0, %7, %8, [%4];"
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"cbnz %w0, 1b;"
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"mov %w0, #1;"
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"2:"
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: "=&r" (tmp1), "=&r" (tmp2), "=&r" (value[0]), "=&r" (value[1])
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: "r" (target), "r" (compare[0]), "r" (compare[1]), "r" (set[0]), "r" (set[1])
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: "cc", "memory");
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return (tmp1);
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}
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CK_CC_INLINE static bool
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ck_pr_cas_ptr_2_value(void *target, void *compare, void *set, void *value)
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{
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return (ck_pr_cas_64_2_value(CK_CPP_CAST(uint64_t *, target),
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CK_CPP_CAST(uint64_t *, compare),
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CK_CPP_CAST(uint64_t *, set),
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CK_CPP_CAST(uint64_t *, value)));
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}
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CK_CC_INLINE static bool
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ck_pr_cas_64_2(uint64_t target[2], uint64_t compare[2], uint64_t set[2])
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{
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uint64_t tmp1, tmp2;
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__asm__ __volatile__("1:"
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"ldxp %0, %1, [%2];"
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"eor %0, %0, %3;"
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"eor %1, %1, %4;"
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"orr %1, %0, %1;"
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"mov %w0, #0;"
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"cbnz %1, 2f;"
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"stxp %w0, %5, %6, [%2];"
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"cbnz %w0, 1b;"
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"mov %w0, #1;"
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"2:"
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: "=&r" (tmp1), "=&r" (tmp2)
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: "r" (target), "r" (compare[0]), "r" (compare[1]), "r" (set[0]), "r" (set[1])
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: "cc", "memory");
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return (tmp1);
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}
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CK_CC_INLINE static bool
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ck_pr_cas_ptr_2(void *target, void *compare, void *set)
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{
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return (ck_pr_cas_64_2(CK_CPP_CAST(uint64_t *, target),
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CK_CPP_CAST(uint64_t *, compare),
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CK_CPP_CAST(uint64_t *, set)));
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}
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#define CK_PR_CAS(N, M, T, W, R) \
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CK_CC_INLINE static bool \
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ck_pr_cas_##N##_value(M *target, T compare, T set, M *value) \
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{ \
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T previous; \
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T tmp; \
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__asm__ __volatile__("1:" \
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"ldxr" W " %" R "0, [%2];" \
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"cmp %" R "0, %" R "4;" \
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"b.ne 2f;" \
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"stxr" W " %w1, %" R "3, [%2];" \
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"cbnz %w1, 1b;" \
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"2:" \
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: "=&r" (previous), \
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"=&r" (tmp) \
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: "r" (target), \
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"r" (set), \
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"r" (compare) \
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: "memory", "cc"); \
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*(T *)value = previous; \
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return (previous == compare); \
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} \
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CK_CC_INLINE static bool \
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ck_pr_cas_##N(M *target, T compare, T set) \
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{ \
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T previous; \
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T tmp; \
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__asm__ __volatile__( \
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"1:" \
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"ldxr" W " %" R "0, [%2];" \
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"cmp %" R "0, %" R "4;" \
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"b.ne 2f;" \
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"stxr" W " %w1, %" R "3, [%2];" \
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"cbnz %w1, 1b;" \
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"2:" \
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: "=&r" (previous), \
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"=&r" (tmp) \
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: "r" (target), \
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"r" (set), \
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"r" (compare) \
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: "memory", "cc"); \
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return (previous == compare); \
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}
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CK_PR_CAS(ptr, void, void *, "", "")
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#define CK_PR_CAS_S(N, M, W, R) CK_PR_CAS(N, M, M, W, R)
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CK_PR_CAS_S(64, uint64_t, "", "")
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#ifndef CK_PR_DISABLE_DOUBLE
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CK_PR_CAS_S(double, double, "", "")
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#endif
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CK_PR_CAS_S(32, uint32_t, "", "w")
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CK_PR_CAS_S(uint, unsigned int, "", "w")
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CK_PR_CAS_S(int, int, "", "w")
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CK_PR_CAS_S(16, uint16_t, "h", "w")
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CK_PR_CAS_S(8, uint8_t, "b", "w")
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CK_PR_CAS_S(short, short, "h", "w")
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CK_PR_CAS_S(char, char, "b", "w")
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#undef CK_PR_CAS_S
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#undef CK_PR_CAS
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#define CK_PR_FAS(N, M, T, W, R) \
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CK_CC_INLINE static T \
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ck_pr_fas_##N(M *target, T v) \
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{ \
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T previous; \
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T tmp; \
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__asm__ __volatile__("1:" \
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"ldxr" W " %" R "0, [%2];" \
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"stxr" W " %w1, %" R "3, [%2];"\
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"cbnz %w1, 1b;" \
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: "=&r" (previous), \
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"=&r" (tmp) \
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: "r" (target), \
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"r" (v) \
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: "memory", "cc"); \
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return (previous); \
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}
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CK_PR_FAS(64, uint64_t, uint64_t, "", "")
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CK_PR_FAS(32, uint32_t, uint32_t, "", "w")
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CK_PR_FAS(ptr, void, void *, "", "")
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CK_PR_FAS(int, int, int, "", "w")
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CK_PR_FAS(uint, unsigned int, unsigned int, "", "w")
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CK_PR_FAS(16, uint16_t, uint16_t, "h", "w")
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CK_PR_FAS(8, uint8_t, uint8_t, "b", "w")
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CK_PR_FAS(short, short, short, "h", "w")
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CK_PR_FAS(char, char, char, "b", "w")
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#undef CK_PR_FAS
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#define CK_PR_UNARY(O, N, M, T, I, W, R) \
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CK_CC_INLINE static void \
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ck_pr_##O##_##N(M *target) \
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{ \
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T previous = 0; \
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T tmp = 0; \
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__asm__ __volatile__("1:" \
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"ldxr" W " %" R "0, [%2];" \
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I ";" \
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"stxr" W " %w1, %" R "0, [%2];" \
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"cbnz %w1, 1b;" \
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: "=&r" (previous), \
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"=&r" (tmp) \
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: "r" (target) \
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: "memory", "cc"); \
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return; \
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}
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CK_PR_UNARY(inc, ptr, void, void *, "add %0, %0, #1", "", "")
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CK_PR_UNARY(dec, ptr, void, void *, "sub %0, %0, #1", "", "")
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CK_PR_UNARY(not, ptr, void, void *, "mvn %0, %0", "", "")
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CK_PR_UNARY(inc, 64, uint64_t, uint64_t, "add %0, %0, #1", "", "")
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CK_PR_UNARY(dec, 64, uint64_t, uint64_t, "sub %0, %0, #1", "", "")
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CK_PR_UNARY(not, 64, uint64_t, uint64_t, "mvn %0, %0", "", "")
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#define CK_PR_UNARY_S(S, T, W) \
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CK_PR_UNARY(inc, S, T, T, "add %w0, %w0, #1", W, "w") \
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CK_PR_UNARY(dec, S, T, T, "sub %w0, %w0, #1", W, "w") \
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CK_PR_UNARY(not, S, T, T, "mvn %w0, %w0", W, "w") \
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CK_PR_UNARY_S(32, uint32_t, "")
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CK_PR_UNARY_S(uint, unsigned int, "")
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CK_PR_UNARY_S(int, int, "")
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CK_PR_UNARY_S(16, uint16_t, "h")
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CK_PR_UNARY_S(8, uint8_t, "b")
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CK_PR_UNARY_S(short, short, "h")
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CK_PR_UNARY_S(char, char, "b")
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#undef CK_PR_UNARY_S
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#undef CK_PR_UNARY
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#define CK_PR_BINARY(O, N, M, T, I, W, R) \
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CK_CC_INLINE static void \
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ck_pr_##O##_##N(M *target, T delta) \
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{ \
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T previous; \
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T tmp; \
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__asm__ __volatile__("1:" \
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"ldxr" W " %" R "0, [%2];"\
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I " %" R "0, %" R "0, %" R "3;" \
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"stxr" W " %w1, %" R "0, [%2];" \
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"cbnz %w1, 1b;" \
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: "=&r" (previous), \
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"=&r" (tmp) \
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: "r" (target), \
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"r" (delta) \
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: "memory", "cc"); \
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return; \
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}
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CK_PR_BINARY(and, ptr, void, uintptr_t, "and", "", "")
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CK_PR_BINARY(add, ptr, void, uintptr_t, "add", "", "")
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CK_PR_BINARY(or, ptr, void, uintptr_t, "orr", "", "")
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CK_PR_BINARY(sub, ptr, void, uintptr_t, "sub", "", "")
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CK_PR_BINARY(xor, ptr, void, uintptr_t, "eor", "", "")
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CK_PR_BINARY(and, 64, uint64_t, uint64_t, "and", "", "")
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CK_PR_BINARY(add, 64, uint64_t, uint64_t, "add", "", "")
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CK_PR_BINARY(or, 64, uint64_t, uint64_t, "orr", "", "")
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CK_PR_BINARY(sub, 64, uint64_t, uint64_t, "sub", "", "")
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CK_PR_BINARY(xor, 64, uint64_t, uint64_t, "eor", "", "")
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#define CK_PR_BINARY_S(S, T, W) \
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CK_PR_BINARY(and, S, T, T, "and", W, "w") \
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CK_PR_BINARY(add, S, T, T, "add", W, "w") \
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CK_PR_BINARY(or, S, T, T, "orr", W, "w") \
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CK_PR_BINARY(sub, S, T, T, "sub", W, "w") \
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CK_PR_BINARY(xor, S, T, T, "eor", W, "w")
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CK_PR_BINARY_S(32, uint32_t, "")
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CK_PR_BINARY_S(uint, unsigned int, "")
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CK_PR_BINARY_S(int, int, "")
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CK_PR_BINARY_S(16, uint16_t, "h")
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CK_PR_BINARY_S(8, uint8_t, "b")
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CK_PR_BINARY_S(short, short, "h")
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CK_PR_BINARY_S(char, char, "b")
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#undef CK_PR_BINARY_S
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#undef CK_PR_BINARY
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CK_CC_INLINE static void *
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ck_pr_faa_ptr(void *target, uintptr_t delta)
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{
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uintptr_t previous, r, tmp;
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__asm__ __volatile__("1:"
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"ldxr %0, [%3];"
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"add %1, %4, %0;"
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"stxr %w2, %1, [%3];"
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"cbnz %w2, 1b;"
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: "=&r" (previous),
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"=&r" (r),
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"=&r" (tmp)
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: "r" (target),
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"r" (delta)
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: "memory", "cc");
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return (void *)(previous);
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}
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CK_CC_INLINE static uint64_t
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ck_pr_faa_64(uint64_t *target, uint64_t delta)
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{
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uint64_t previous, r, tmp;
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__asm__ __volatile__("1:"
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"ldxr %0, [%3];"
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"add %1, %4, %0;"
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"stxr %w2, %1, [%3];"
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"cbnz %w2, 1b;"
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: "=&r" (previous),
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"=&r" (r),
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"=&r" (tmp)
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: "r" (target),
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"r" (delta)
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: "memory", "cc");
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return (previous);
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}
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#define CK_PR_FAA(S, T, W) \
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CK_CC_INLINE static T \
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ck_pr_faa_##S(T *target, T delta) \
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{ \
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T previous, r, tmp; \
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__asm__ __volatile__("1:" \
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"ldxr" W " %w0, [%3];" \
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"add %w1, %w4, %w0;" \
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"stxr" W " %w2, %w1, [%3];" \
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"cbnz %w2, 1b;" \
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: "=&r" (previous), \
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"=&r" (r), \
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"=&r" (tmp) \
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: "r" (target), \
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"r" (delta) \
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: "memory", "cc"); \
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return (previous); \
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}
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CK_PR_FAA(32, uint32_t, "")
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CK_PR_FAA(uint, unsigned int, "")
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CK_PR_FAA(int, int, "")
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CK_PR_FAA(16, uint16_t, "h")
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CK_PR_FAA(8, uint8_t, "b")
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CK_PR_FAA(short, short, "h")
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CK_PR_FAA(char, char, "b")
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#undef CK_PR_FAA
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#endif /* CK_PR_AARCH64_LLSC_H */
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@ -0,0 +1,298 @@
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/*
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* Copyright 2009-2016 Samy Al Bahra.
|
||||
* Copyright 2013-2016 Olivier Houchard.
|
||||
* Copyright 2016 Alexey Kopytov.
|
||||
* All rights reserved.
|
||||
*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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* SUCH DAMAGE.
|
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*/
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#ifndef CK_PR_AARCH64_LSE_H
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#define CK_PR_AARCH64_LSE_H
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#ifndef CK_PR_H
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#error Do not include this file directly, use ck_pr.h
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#endif
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CK_CC_INLINE static bool
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ck_pr_cas_64_2_value(uint64_t target[2], uint64_t compare[2], uint64_t set[2], uint64_t value[2])
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{
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uint64_t tmp1;
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uint64_t tmp2;
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register uint64_t x0 __asm__ ("x0") = compare[0];
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register uint64_t x1 __asm__ ("x1") = compare[1];
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register uint64_t x2 __asm__ ("x2") = set[0];
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register uint64_t x3 __asm__ ("x3") = set[1];
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__asm__ __volatile__("casp %0, %1, %4, %5, [%6];"
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"eor %2, %0, %7;"
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"eor %3, %1, %8;"
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"orr %2, %2, %3;"
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: "+&r" (x0), "+&r" (x1), "=&r" (tmp1), "=&r" (tmp2)
|
||||
: "r" (x2), "r" (x3), "r" (target), "r" (compare[0]), "r" (compare[1])
|
||||
: "memory");
|
||||
|
||||
value[0] = x0;
|
||||
value[1] = x1;
|
||||
|
||||
return (!!tmp1);
|
||||
}
|
||||
|
||||
CK_CC_INLINE static bool
|
||||
ck_pr_cas_ptr_2_value(void *target, void *compare, void *set, void *value)
|
||||
{
|
||||
return (ck_pr_cas_64_2_value(CK_CPP_CAST(uint64_t *, target),
|
||||
CK_CPP_CAST(uint64_t *, compare),
|
||||
CK_CPP_CAST(uint64_t *, set),
|
||||
CK_CPP_CAST(uint64_t *, value)));
|
||||
}
|
||||
|
||||
CK_CC_INLINE static bool
|
||||
ck_pr_cas_64_2(uint64_t target[2], uint64_t compare[2], uint64_t set[2])
|
||||
{
|
||||
register uint64_t x0 __asm__ ("x0") = compare[0];
|
||||
register uint64_t x1 __asm__ ("x1") = compare[1];
|
||||
register uint64_t x2 __asm__ ("x2") = set[0];
|
||||
register uint64_t x3 __asm__ ("x3") = set[1];
|
||||
|
||||
__asm__ __volatile__("casp %0, %1, %2, %3, [%4];"
|
||||
"eor %0, %0, %5;"
|
||||
"eor %1, %1, %6;"
|
||||
"orr %0, %0, %1;"
|
||||
: "+&r" (x0), "+&r" (x1)
|
||||
: "r" (x2), "r" (x3), "r" (target), "r" (compare[0]), "r" (compare[1])
|
||||
: "memory");
|
||||
|
||||
return (!!x0);
|
||||
}
|
||||
CK_CC_INLINE static bool
|
||||
ck_pr_cas_ptr_2(void *target, void *compare, void *set)
|
||||
{
|
||||
return (ck_pr_cas_64_2(CK_CPP_CAST(uint64_t *, target),
|
||||
CK_CPP_CAST(uint64_t *, compare),
|
||||
CK_CPP_CAST(uint64_t *, set)));
|
||||
}
|
||||
|
||||
|
||||
#define CK_PR_CAS(N, M, T, W, R) \
|
||||
CK_CC_INLINE static bool \
|
||||
ck_pr_cas_##N##_value(M *target, T compare, T set, M *value) \
|
||||
{ \
|
||||
*(T *)value = compare; \
|
||||
__asm__ __volatile__( \
|
||||
"cas" W " %" R "0, %" R "2, [%1];" \
|
||||
: "+&r" (*(T *)value) \
|
||||
: "r" (target), \
|
||||
"r" (set) \
|
||||
: "memory"); \
|
||||
return (*(T *)value == compare); \
|
||||
} \
|
||||
CK_CC_INLINE static bool \
|
||||
ck_pr_cas_##N(M *target, T compare, T set) \
|
||||
{ \
|
||||
T previous = compare; \
|
||||
__asm__ __volatile__( \
|
||||
"cas" W " %" R "0, %" R "2, [%1];" \
|
||||
: "+&r" (previous) \
|
||||
: "r" (target), \
|
||||
"r" (set) \
|
||||
: "memory"); \
|
||||
return (previous == compare); \
|
||||
}
|
||||
|
||||
CK_PR_CAS(ptr, void, void *, "", "")
|
||||
|
||||
#define CK_PR_CAS_S(N, M, W, R) CK_PR_CAS(N, M, M, W, R)
|
||||
CK_PR_CAS_S(64, uint64_t, "", "")
|
||||
#ifndef CK_PR_DISABLE_DOUBLE
|
||||
CK_PR_CAS_S(double, double, "", "")
|
||||
#endif
|
||||
CK_PR_CAS_S(32, uint32_t, "", "w")
|
||||
CK_PR_CAS_S(uint, unsigned int, "", "w")
|
||||
CK_PR_CAS_S(int, int, "", "w")
|
||||
CK_PR_CAS_S(16, uint16_t, "h", "w")
|
||||
CK_PR_CAS_S(8, uint8_t, "b", "w")
|
||||
CK_PR_CAS_S(short, short, "h", "w")
|
||||
CK_PR_CAS_S(char, char, "b", "w")
|
||||
|
||||
|
||||
#undef CK_PR_CAS_S
|
||||
#undef CK_PR_CAS
|
||||
|
||||
#define CK_PR_FAS(N, M, T, W, R) \
|
||||
CK_CC_INLINE static T \
|
||||
ck_pr_fas_##N(M *target, T v) \
|
||||
{ \
|
||||
T previous; \
|
||||
__asm__ __volatile__( \
|
||||
"swp" W " %" R "2, %" R "0, [%1];" \
|
||||
: "=&r" (previous) \
|
||||
: "r" (target), \
|
||||
"r" (v) \
|
||||
: "memory"); \
|
||||
return (previous); \
|
||||
}
|
||||
|
||||
CK_PR_FAS(64, uint64_t, uint64_t, "", "")
|
||||
CK_PR_FAS(32, uint32_t, uint32_t, "", "w")
|
||||
CK_PR_FAS(ptr, void, void *, "", "")
|
||||
CK_PR_FAS(int, int, int, "", "w")
|
||||
CK_PR_FAS(uint, unsigned int, unsigned int, "", "w")
|
||||
CK_PR_FAS(16, uint16_t, uint16_t, "h", "w")
|
||||
CK_PR_FAS(8, uint8_t, uint8_t, "b", "w")
|
||||
CK_PR_FAS(short, short, short, "h", "w")
|
||||
CK_PR_FAS(char, char, char, "b", "w")
|
||||
|
||||
|
||||
#undef CK_PR_FAS
|
||||
|
||||
#define CK_PR_UNARY(O, N, M, T, I, W, R, S) \
|
||||
CK_CC_INLINE static void \
|
||||
ck_pr_##O##_##N(M *target) \
|
||||
{ \
|
||||
__asm__ __volatile__(I ";" \
|
||||
"st" S W " " R "0, [%0];" \
|
||||
: \
|
||||
: "r" (target) \
|
||||
: "x0", "memory"); \
|
||||
return; \
|
||||
}
|
||||
|
||||
CK_PR_UNARY(inc, ptr, void, void *, "mov x0, 1", "", "x", "add")
|
||||
CK_PR_UNARY(dec, ptr, void, void *, "mov x0, -1", "", "x", "add")
|
||||
CK_PR_UNARY(not, ptr, void, void *, "mov x0, -1", "", "x", "eor")
|
||||
CK_PR_UNARY(inc, 64, uint64_t, uint64_t, "mov x0, 1", "", "x", "add")
|
||||
CK_PR_UNARY(dec, 64, uint64_t, uint64_t, "mov x0, -1", "", "x", "add")
|
||||
CK_PR_UNARY(not, 64, uint64_t, uint64_t, "mov x0, -1", "", "x", "eor")
|
||||
|
||||
#define CK_PR_UNARY_S(S, T, W) \
|
||||
CK_PR_UNARY(inc, S, T, T, "mov w0, 1", W, "w", "add") \
|
||||
CK_PR_UNARY(dec, S, T, T, "mov w0, -1", W, "w", "add") \
|
||||
CK_PR_UNARY(not, S, T, T, "mov w0, -1", W, "w", "eor") \
|
||||
|
||||
CK_PR_UNARY_S(32, uint32_t, "")
|
||||
CK_PR_UNARY_S(uint, unsigned int, "")
|
||||
CK_PR_UNARY_S(int, int, "")
|
||||
CK_PR_UNARY_S(16, uint16_t, "h")
|
||||
CK_PR_UNARY_S(8, uint8_t, "b")
|
||||
CK_PR_UNARY_S(short, short, "h")
|
||||
CK_PR_UNARY_S(char, char, "b")
|
||||
|
||||
#undef CK_PR_UNARY_S
|
||||
#undef CK_PR_UNARY
|
||||
|
||||
#define CK_PR_BINARY(O, N, M, T, S, W, R, I) \
|
||||
CK_CC_INLINE static void \
|
||||
ck_pr_##O##_##N(M *target, T delta) \
|
||||
{ \
|
||||
__asm__ __volatile__(I ";" \
|
||||
"st" S W " %" R "0, [%1];" \
|
||||
: "+&r" (delta) \
|
||||
: "r" (target) \
|
||||
: "memory"); \
|
||||
return; \
|
||||
}
|
||||
|
||||
CK_PR_BINARY(and, ptr, void, uintptr_t, "clr", "", "", "mvn %0, %0")
|
||||
CK_PR_BINARY(add, ptr, void, uintptr_t, "add", "", "", "")
|
||||
CK_PR_BINARY(or, ptr, void, uintptr_t, "set", "", "", "")
|
||||
CK_PR_BINARY(sub, ptr, void, uintptr_t, "add", "", "", "neg %0, %0")
|
||||
CK_PR_BINARY(xor, ptr, void, uintptr_t, "eor", "", "", "")
|
||||
CK_PR_BINARY(and, 64, uint64_t, uint64_t, "clr", "", "", "mvn %0, %0")
|
||||
CK_PR_BINARY(add, 64, uint64_t, uint64_t, "add", "", "", "")
|
||||
CK_PR_BINARY(or, 64, uint64_t, uint64_t, "set", "", "", "")
|
||||
CK_PR_BINARY(sub, 64, uint64_t, uint64_t, "add", "", "", "neg %0, %0")
|
||||
CK_PR_BINARY(xor, 64, uint64_t, uint64_t, "eor", "", "", "")
|
||||
|
||||
#define CK_PR_BINARY_S(S, T, W) \
|
||||
CK_PR_BINARY(and, S, T, T, "clr", W, "w", "mvn %w0, %w0") \
|
||||
CK_PR_BINARY(add, S, T, T, "add", W, "w", "") \
|
||||
CK_PR_BINARY(or, S, T, T, "set", W, "w", "") \
|
||||
CK_PR_BINARY(sub, S, T, T, "add", W, "w", "neg %w0, %w0") \
|
||||
CK_PR_BINARY(xor, S, T, T, "eor", W, "w", "")
|
||||
|
||||
CK_PR_BINARY_S(32, uint32_t, "")
|
||||
CK_PR_BINARY_S(uint, unsigned int, "")
|
||||
CK_PR_BINARY_S(int, int, "")
|
||||
CK_PR_BINARY_S(16, uint16_t, "h")
|
||||
CK_PR_BINARY_S(8, uint8_t, "b")
|
||||
CK_PR_BINARY_S(short, short, "h")
|
||||
CK_PR_BINARY_S(char, char, "b")
|
||||
|
||||
#undef CK_PR_BINARY_S
|
||||
#undef CK_PR_BINARY
|
||||
|
||||
CK_CC_INLINE static void *
|
||||
ck_pr_faa_ptr(void *target, uintptr_t delta)
|
||||
{
|
||||
uintptr_t previous;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"ldadd %2, %0, [%1];"
|
||||
: "=r" (previous)
|
||||
: "r" (target),
|
||||
"r" (delta)
|
||||
: "memory");
|
||||
|
||||
return (void *)(previous);
|
||||
}
|
||||
|
||||
CK_CC_INLINE static uint64_t
|
||||
ck_pr_faa_64(uint64_t *target, uint64_t delta)
|
||||
{
|
||||
uint64_t previous;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"ldadd %2, %0, [%1];"
|
||||
: "=r" (previous)
|
||||
: "r" (target),
|
||||
"r" (delta)
|
||||
: "memory");
|
||||
|
||||
return (previous);
|
||||
}
|
||||
|
||||
#define CK_PR_FAA(S, T, W) \
|
||||
CK_CC_INLINE static T \
|
||||
ck_pr_faa_##S(T *target, T delta) \
|
||||
{ \
|
||||
T previous; \
|
||||
__asm__ __volatile__( \
|
||||
"ldadd" W " %w2, %w0, [%1];" \
|
||||
: "=r" (previous) \
|
||||
: "r" (target), \
|
||||
"r" (delta) \
|
||||
: "memory"); \
|
||||
return (previous); \
|
||||
}
|
||||
|
||||
CK_PR_FAA(32, uint32_t, "")
|
||||
CK_PR_FAA(uint, unsigned int, "")
|
||||
CK_PR_FAA(int, int, "")
|
||||
CK_PR_FAA(16, uint16_t, "h")
|
||||
CK_PR_FAA(8, uint8_t, "b")
|
||||
CK_PR_FAA(short, short, "h")
|
||||
CK_PR_FAA(char, char, "b")
|
||||
|
||||
#undef CK_PR_FAA
|
||||
|
||||
#endif /* CK_PR_AARCH64_LSE_H */
|
||||
Loading…
Reference in new issue