Viewing file:  pr42833.c (3.01 KB) -rw-r--r--
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typedef __INT_LEAST8_TYPE__ int8_t;
typedef __UINT_LEAST32_TYPE__ uint32_t;
typedef int ssize_t;
typedef struct { int8_t v1; int8_t v2; int8_t v3; int8_t v4; } neon_s8;
uint32_t helper_neon_rshl_s8 (uint32_t arg1, uint32_t arg2);
uint32_t
helper_neon_rshl_s8 (uint32_t arg1, uint32_t arg2)
{
uint32_t res;
neon_s8 vsrc1;
neon_s8 vsrc2;
neon_s8 vdest;
do
{
union
{
neon_s8 v;
uint32_t i;
} conv_u;
conv_u.i = (arg1);
vsrc1 = conv_u.v;
}
while (0);
do
{
union
{
neon_s8 v;
uint32_t i;
} conv_u;
conv_u.i = (arg2);
vsrc2 = conv_u.v;
}
while (0);
do
{
int8_t tmp;
tmp = (int8_t) vsrc2.v1;
if (tmp >= (ssize_t) sizeof (vsrc1.v1) * 8)
{
vdest.v1 = 0;
}
else if (tmp < -(ssize_t) sizeof (vsrc1.v1) * 8)
{
vdest.v1 = vsrc1.v1 >> (sizeof (vsrc1.v1) * 8 - 1);
}
else if (tmp == -(ssize_t) sizeof (vsrc1.v1) * 8)
{
vdest.v1 = vsrc1.v1 >> (tmp - 1);
vdest.v1++;
vdest.v1 >>= 1;
}
else if (tmp < 0)
{
vdest.v1 = (vsrc1.v1 + (1 << (-1 - tmp))) >> -tmp;
}
else
{
vdest.v1 = vsrc1.v1 << tmp;
}
}
while (0);
do
{
int8_t tmp;
tmp = (int8_t) vsrc2.v2;
if (tmp >= (ssize_t) sizeof (vsrc1.v2) * 8)
{
vdest.v2 = 0;
}
else if (tmp < -(ssize_t) sizeof (vsrc1.v2) * 8)
{
vdest.v2 = vsrc1.v2 >> (sizeof (vsrc1.v2) * 8 - 1);
}
else if (tmp == -(ssize_t) sizeof (vsrc1.v2) * 8)
{
vdest.v2 = vsrc1.v2 >> (tmp - 1);
vdest.v2++;
vdest.v2 >>= 1;
}
else if (tmp < 0)
{
vdest.v2 = (vsrc1.v2 + (1 << (-1 - tmp))) >> -tmp;
}
else
{
vdest.v2 = vsrc1.v2 << tmp;
}
}
while (0);
do
{
int8_t tmp;
tmp = (int8_t) vsrc2.v3;
if (tmp >= (ssize_t) sizeof (vsrc1.v3) * 8)
{
vdest.v3 = 0;
}
else if (tmp < -(ssize_t) sizeof (vsrc1.v3) * 8)
{
vdest.v3 = vsrc1.v3 >> (sizeof (vsrc1.v3) * 8 - 1);
}
else if (tmp == -(ssize_t) sizeof (vsrc1.v3) * 8)
{
vdest.v3 = vsrc1.v3 >> (tmp - 1);
vdest.v3++;
vdest.v3 >>= 1;
}
else if (tmp < 0)
{
vdest.v3 = (vsrc1.v3 + (1 << (-1 - tmp))) >> -tmp;
}
else
{
vdest.v3 = vsrc1.v3 << tmp;
}
}
while (0);
do
{
int8_t tmp;
tmp = (int8_t) vsrc2.v4;
if (tmp >= (ssize_t) sizeof (vsrc1.v4) * 8)
{
vdest.v4 = 0;
}
else if (tmp < -(ssize_t) sizeof (vsrc1.v4) * 8)
{
vdest.v4 = vsrc1.v4 >> (sizeof (vsrc1.v4) * 8 - 1);
}
else if (tmp == -(ssize_t) sizeof (vsrc1.v4) * 8)
{
vdest.v4 = vsrc1.v4 >> (tmp - 1);
vdest.v4++;
vdest.v4 >>= 1;
}
else if (tmp < 0)
{
vdest.v4 = (vsrc1.v4 + (1 << (-1 - tmp))) >> -tmp;
}
else
{
vdest.v4 = vsrc1.v4 << tmp;
}
}
while (0);;
do
{
union
{
neon_s8 v;
uint32_t i;
} conv_u;
conv_u.v = (vdest);
res = conv_u.i;
}
while (0);
return res;
}
extern void abort(void);
int main()
{
uint32_t r = helper_neon_rshl_s8 (0x05050505, 0x01010101);
if (r != 0x0a0a0a0a)
abort ();
return 0;
}
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