neontest.h File Reference

#include <inttypes.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "libavutil/bswap.h"

Go to the source code of this file.

Macros
#define	storeneonregs(mem)
#define	testneonclobbers(func, ctx, ...)
#define	wrap(func)

Macro Definition Documentation

storeneonregs

#define storeneonregs

(

mem

)

Value:

    __asm__ volatile(                     \
        "stp d8,  d9,  [%0]\n\t"          \
        "stp d10, d11, [%0, #16]\n\t"     \
        "stp d12, d13, [%0, #32]\n\t"     \
        "stp d14, d15, [%0, #48]\n\t"     \
        :: "r"(mem) : "memory")

Definition at line 34 of file neontest.h.

testneonclobbers

#define testneonclobbers	(		func,
			ctx,
			...
	)

Value:

    uint64_t neon[2][8];                                        \
    int ret;                                                    \
    storeneonregs(neon[0]);                                     \
    ret = __real_ ## func(ctx, __VA_ARGS__);                    \
    storeneonregs(neon[1]);                                     \
    if (memcmp(neon[0], neon[1], sizeof(neon[0]))) {            \
        int i;                                                  \
        av_log(ctx, AV_LOG_ERROR,                               \
               "NEON REGS CLOBBERED IN %s!\n", #func);          \
        for (i = 0; i < 8; i ++)                                \
            if (neon[0][i] != neon[1][i]) {                     \
                av_log(ctx, AV_LOG_ERROR,                       \
                       "d%-2d = %016"PRIx64"\n",                \
                       8 + i, av_bswap64(neon[0][i]));          \
                av_log(ctx, AV_LOG_ERROR,                       \
                       "   -> %016"PRIx64"\n",                  \
                       av_bswap64(neon[1][i]));                 \
            }                                                   \
        abort();                                                \
    }                                                           \
    return ret

Definition at line 42 of file neontest.h.

wrap

#define wrap

(

func

)

Value:

int __real_ ## func;    \
int __wrap_ ## func;    \
int __wrap_ ## func

Examples

decode_video.c.

Definition at line 65 of file neontest.h.