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02c9a4146b
* Initial work on optimizations. * Requested Changes Part 1 * Requested Changes Part 2 * Requested Changes Part 3 * Requested Changes Part 4 * Requested Changes Part 5 * Requested Changes Part 6 * Update deprecated.lua --------- Co-authored-by: PeachyPeach <72323920+PeachyPeachSM64@users.noreply.github.com>
131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
#ifndef MACROS_H
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#define MACROS_H
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#include "platform_info.h"
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#ifndef __sgi
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#define GLOBAL_ASM(...)
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#endif
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#if !defined(__sgi) && (!defined(NON_MATCHING) || !defined(AVOID_UB))
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// asm-process isn't supported outside of IDO, and undefined behavior causes
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// crashes.
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#error Matching build is only possible on IDO; please build with NON_MATCHING=1.
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#endif
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#define ARRAY_COUNT(arr) (s32)(sizeof(arr) / sizeof(arr[0]))
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#define GLUE(a, b) a ## b
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#define GLUE2(a, b) GLUE(a, b)
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// Avoid compiler warnings for unused variables
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#ifdef __GNUC__
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#define UNUSED __attribute__((unused))
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#else
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#define UNUSED
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#endif
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// Avoid undefined behaviour for non-returning functions
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#ifdef __GNUC__
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#define NORETURN __attribute__((noreturn))
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#else
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#define NORETURN
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#endif
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// Static assertions
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#ifndef __cplusplus
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#ifdef __GNUC__
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#define STATIC_ASSERT(cond, msg) _Static_assert(cond, msg)
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#else
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#define STATIC_ASSERT(cond, msg) typedef char GLUE2(static_assertion_failed, __LINE__)[(cond) ? 1 : -1]
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#endif
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#endif
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// Align to 8-byte boundary for DMA requirements
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#ifdef __GNUC__
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#define ALIGNED8 __attribute__((aligned(8)))
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#else
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#define ALIGNED8
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#endif
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// Align to 16-byte boundary for audio lib requirements
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#ifdef __GNUC__
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#define ALIGNED16 __attribute__((aligned(16)))
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#else
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#define ALIGNED16
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#endif
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// no conversion for pc port other than cast
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#define VIRTUAL_TO_PHYSICAL(addr) ((uintptr_t)(addr))
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#define PHYSICAL_TO_VIRTUAL(addr) ((uintptr_t)(addr))
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#define VIRTUAL_TO_PHYSICAL2(addr) ((void *)(addr))
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// Byteswap macros
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#define BSWAP16(x) (((x) & 0xFF) << 8 | (((x) >> 8) & 0xFF))
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#define BSWAP32(x) \
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( (((x) >> 24) & 0x000000FF) | (((x) >> 8) & 0x0000FF00) | \
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(((x) << 8) & 0x00FF0000) | (((x) << 24) & 0xFF000000) )
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// Convenience macros for endian conversions
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#if IS_BIG_ENDIAN
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# define BE_TO_HOST16(x) (x)
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# define BE_TO_HOST32(x) (x)
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# define LE_TO_HOST16(x) BSWAP16(x)
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# define LE_TO_HOST32(x) BSWAP32(x)
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#else
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# define BE_TO_HOST16(x) BSWAP16(x)
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# define BE_TO_HOST32(x) BSWAP32(x)
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# define LE_TO_HOST16(x) (x)
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# define LE_TO_HOST32(x) (x)
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#endif
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// Optimize
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#ifdef __clang__
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#define OPTIMIZE_O3
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#elif __GNUC__
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#define OPTIMIZE_O3 __attribute__((optimize("O3")))
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#else
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#define OPTIMIZE_O3
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#endif
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#ifdef __clang__
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#define INLINE __attribute__((always_inline)) inline
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#define NOINLINE __attribute__((noinline))
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#elif __GNUC__
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#define INLINE __attribute__((always_inline)) inline
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#define NOINLINE __attribute__((noinline))
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#elif _MSC_VER
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#define INLINE __forceinline
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#define NOINLINE __noinline
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#else
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#define INLINE inline
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#define NOINLINE noinline
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#endif
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// Repeats the macro `ACTION(N)` `N` times (one per line)
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#define REPEAT_0(ACTION)
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#define REPEAT_1(ACTION) ACTION(1)
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#define REPEAT_2(ACTION) REPEAT_1(ACTION) ACTION(2)
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#define REPEAT_3(ACTION) REPEAT_2(ACTION) ACTION(3)
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#define REPEAT_4(ACTION) REPEAT_3(ACTION) ACTION(4)
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#define REPEAT_5(ACTION) REPEAT_4(ACTION) ACTION(5)
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#define REPEAT_6(ACTION) REPEAT_5(ACTION) ACTION(6)
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#define REPEAT_7(ACTION) REPEAT_6(ACTION) ACTION(7)
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#define REPEAT_8(ACTION) REPEAT_7(ACTION) ACTION(8)
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#define REPEAT_9(ACTION) REPEAT_8(ACTION) ACTION(9)
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#define REPEAT(ACTION, N) REPEAT_##N(ACTION)
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// Expands to a comma-separated list of arguments
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#define LIST_ARGS_0(ACTION)
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#define LIST_ARGS_1(ACTION) ACTION(1)
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#define LIST_ARGS_2(ACTION) LIST_ARGS_1(ACTION), ACTION(2)
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#define LIST_ARGS_3(ACTION) LIST_ARGS_2(ACTION), ACTION(3)
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#define LIST_ARGS_4(ACTION) LIST_ARGS_3(ACTION), ACTION(4)
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#define LIST_ARGS_5(ACTION) LIST_ARGS_4(ACTION), ACTION(5)
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#define LIST_ARGS_6(ACTION) LIST_ARGS_5(ACTION), ACTION(6)
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#define LIST_ARGS_7(ACTION) LIST_ARGS_6(ACTION), ACTION(7)
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#define LIST_ARGS_8(ACTION) LIST_ARGS_7(ACTION), ACTION(8)
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#define LIST_ARGS_9(ACTION) LIST_ARGS_8(ACTION), ACTION(9)
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#define LIST_ARGS(ACTION, N) LIST_ARGS_##N(ACTION)
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#endif // MACROS_H
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