Commit 4460a860 authored by J.R. Mauro's avatar J.R. Mauro Committed by Greg Kroah-Hartman

Staging: Lindent the echo driver

Lindent drivers/staging/echo*

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 786ed801
......@@ -36,14 +36,15 @@
\return The bit number of the highest set bit, or -1 if the word is zero. */
static __inline__ int top_bit(unsigned int bits)
{
int res;
__asm__ (" xorl %[res],%[res];\n"
" decl %[res];\n"
" bsrl %[bits],%[res]\n"
: [res] "=&r" (res)
: [bits] "rm" (bits));
return res;
int res;
__asm__(" xorl %[res],%[res];\n"
" decl %[res];\n"
" bsrl %[bits],%[res]\n"
:[res] "=&r" (res)
:[bits] "rm"(bits)
);
return res;
}
/*! \brief Find the bit position of the lowest set bit in a word
......@@ -51,84 +52,75 @@ static __inline__ int top_bit(unsigned int bits)
\return The bit number of the lowest set bit, or -1 if the word is zero. */
static __inline__ int bottom_bit(unsigned int bits)
{
int res;
__asm__ (" xorl %[res],%[res];\n"
" decl %[res];\n"
" bsfl %[bits],%[res]\n"
: [res] "=&r" (res)
: [bits] "rm" (bits));
return res;
int res;
__asm__(" xorl %[res],%[res];\n"
" decl %[res];\n"
" bsfl %[bits],%[res]\n"
:[res] "=&r" (res)
:[bits] "rm"(bits)
);
return res;
}
#else
static __inline__ int top_bit(unsigned int bits)
{
int i;
if (bits == 0)
return -1;
i = 0;
if (bits & 0xFFFF0000)
{
bits &= 0xFFFF0000;
i += 16;
}
if (bits & 0xFF00FF00)
{
bits &= 0xFF00FF00;
i += 8;
}
if (bits & 0xF0F0F0F0)
{
bits &= 0xF0F0F0F0;
i += 4;
}
if (bits & 0xCCCCCCCC)
{
bits &= 0xCCCCCCCC;
i += 2;
}
if (bits & 0xAAAAAAAA)
{
bits &= 0xAAAAAAAA;
i += 1;
}
return i;
int i;
if (bits == 0)
return -1;
i = 0;
if (bits & 0xFFFF0000) {
bits &= 0xFFFF0000;
i += 16;
}
if (bits & 0xFF00FF00) {
bits &= 0xFF00FF00;
i += 8;
}
if (bits & 0xF0F0F0F0) {
bits &= 0xF0F0F0F0;
i += 4;
}
if (bits & 0xCCCCCCCC) {
bits &= 0xCCCCCCCC;
i += 2;
}
if (bits & 0xAAAAAAAA) {
bits &= 0xAAAAAAAA;
i += 1;
}
return i;
}
static __inline__ int bottom_bit(unsigned int bits)
{
int i;
if (bits == 0)
return -1;
i = 32;
if (bits & 0x0000FFFF)
{
bits &= 0x0000FFFF;
i -= 16;
}
if (bits & 0x00FF00FF)
{
bits &= 0x00FF00FF;
i -= 8;
}
if (bits & 0x0F0F0F0F)
{
bits &= 0x0F0F0F0F;
i -= 4;
}
if (bits & 0x33333333)
{
bits &= 0x33333333;
i -= 2;
}
if (bits & 0x55555555)
{
bits &= 0x55555555;
i -= 1;
}
return i;
int i;
if (bits == 0)
return -1;
i = 32;
if (bits & 0x0000FFFF) {
bits &= 0x0000FFFF;
i -= 16;
}
if (bits & 0x00FF00FF) {
bits &= 0x00FF00FF;
i -= 8;
}
if (bits & 0x0F0F0F0F) {
bits &= 0x0F0F0F0F;
i -= 4;
}
if (bits & 0x33333333) {
bits &= 0x33333333;
i -= 2;
}
if (bits & 0x55555555) {
bits &= 0x55555555;
i -= 1;
}
return i;
}
#endif
......@@ -138,13 +130,14 @@ static __inline__ int bottom_bit(unsigned int bits)
static __inline__ uint8_t bit_reverse8(uint8_t x)
{
#if defined(__i386__) || defined(__x86_64__)
/* If multiply is fast */
return ((x*0x0802U & 0x22110U) | (x*0x8020U & 0x88440U))*0x10101U >> 16;
/* If multiply is fast */
return ((x * 0x0802U & 0x22110U) | (x * 0x8020U & 0x88440U)) *
0x10101U >> 16;
#else
/* If multiply is slow, but we have a barrel shifter */
x = (x >> 4) | (x << 4);
x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2);
return ((x & 0xAA) >> 1) | ((x & 0x55) << 1);
/* If multiply is slow, but we have a barrel shifter */
x = (x >> 4) | (x << 4);
x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2);
return ((x & 0xAA) >> 1) | ((x & 0x55) << 1);
#endif
}
......@@ -184,7 +177,7 @@ uint16_t make_mask16(uint16_t x);
\return The word with the single set bit. */
static __inline__ uint32_t least_significant_one32(uint32_t x)
{
return (x & (-(int32_t) x));
return (x & (-(int32_t) x));
}
/*! \brief Find the most significant one in a word, and return a word
......@@ -194,10 +187,10 @@ static __inline__ uint32_t least_significant_one32(uint32_t x)
static __inline__ uint32_t most_significant_one32(uint32_t x)
{
#if defined(__i386__) || defined(__x86_64__)
return 1 << top_bit(x);
return 1 << top_bit(x);
#else
x = make_mask32(x);
return (x ^ (x >> 1));
x = make_mask32(x);
return (x ^ (x >> 1));
#endif
}
......@@ -206,8 +199,8 @@ static __inline__ uint32_t most_significant_one32(uint32_t x)
\return 1 for odd, or 0 for even. */
static __inline__ int parity8(uint8_t x)
{
x = (x ^ (x >> 4)) & 0x0F;
return (0x6996 >> x) & 1;
x = (x ^ (x >> 4)) & 0x0F;
return (0x6996 >> x) & 1;
}
/*! \brief Find the parity of a 16 bit word.
......@@ -215,9 +208,9 @@ static __inline__ int parity8(uint8_t x)
\return 1 for odd, or 0 for even. */
static __inline__ int parity16(uint16_t x)
{
x ^= (x >> 8);
x = (x ^ (x >> 4)) & 0x0F;
return (0x6996 >> x) & 1;
x ^= (x >> 8);
x = (x ^ (x >> 4)) & 0x0F;
return (0x6996 >> x) & 1;
}
/*! \brief Find the parity of a 32 bit word.
......@@ -225,10 +218,10 @@ static __inline__ int parity16(uint16_t x)
\return 1 for odd, or 0 for even. */
static __inline__ int parity32(uint32_t x)
{
x ^= (x >> 16);
x ^= (x >> 8);
x = (x ^ (x >> 4)) & 0x0F;
return (0x6996 >> x) & 1;
x ^= (x >> 16);
x ^= (x >> 8);
x = (x ^ (x >> 4)) & 0x0F;
return (0x6996 >> x) & 1;
}
#endif
......
This diff is collapsed.
......@@ -124,9 +124,8 @@ a minor burden.
G.168 echo canceller descriptor. This defines the working state for a line
echo canceller.
*/
struct oslec_state
{
int16_t tx,rx;
struct oslec_state {
int16_t tx, rx;
int16_t clean;
int16_t clean_nlp;
......@@ -170,4 +169,4 @@ struct oslec_state
int16_t *snapshot;
};
#endif /* __ECHO_H */
#endif /* __ECHO_H */
This diff is collapsed.
......@@ -27,24 +27,23 @@
* values by ULL, lest they be truncated by the compiler)
*/
typedef union {
long long q; /* Quadword (64-bit) value */
unsigned long long uq; /* Unsigned Quadword */
int d[2]; /* 2 Doubleword (32-bit) values */
unsigned int ud[2]; /* 2 Unsigned Doubleword */
short w[4]; /* 4 Word (16-bit) values */
unsigned short uw[4]; /* 4 Unsigned Word */
char b[8]; /* 8 Byte (8-bit) values */
unsigned char ub[8]; /* 8 Unsigned Byte */
float s[2]; /* Single-precision (32-bit) value */
} mmx_t; /* On an 8-byte (64-bit) boundary */
typedef union {
long long q; /* Quadword (64-bit) value */
unsigned long long uq; /* Unsigned Quadword */
int d[2]; /* 2 Doubleword (32-bit) values */
unsigned int ud[2]; /* 2 Unsigned Doubleword */
short w[4]; /* 4 Word (16-bit) values */
unsigned short uw[4]; /* 4 Unsigned Word */
char b[8]; /* 8 Byte (8-bit) values */
unsigned char ub[8]; /* 8 Unsigned Byte */
float s[2]; /* Single-precision (32-bit) value */
} mmx_t; /* On an 8-byte (64-bit) boundary */
/* SSE registers */
typedef union {
char b[16];
} xmm_t;
#define mmx_i2r(op,imm,reg) \
__asm__ __volatile__ (#op " %0, %%" #reg \
: /* nothing */ \
......@@ -63,7 +62,6 @@ typedef union {
#define mmx_r2r(op,regs,regd) \
__asm__ __volatile__ (#op " %" #regs ", %" #regd)
#define emms() __asm__ __volatile__ ("emms")
#define movd_m2r(var,reg) mmx_m2r (movd, var, reg)
......@@ -192,16 +190,13 @@ typedef union {
#define pxor_m2r(var,reg) mmx_m2r (pxor, var, reg)
#define pxor_r2r(regs,regd) mmx_r2r (pxor, regs, regd)
/* 3DNOW extensions */
#define pavgusb_m2r(var,reg) mmx_m2r (pavgusb, var, reg)
#define pavgusb_r2r(regs,regd) mmx_r2r (pavgusb, regs, regd)
/* AMD MMX extensions - also available in intel SSE */
#define mmx_m2ri(op,mem,reg,imm) \
__asm__ __volatile__ (#op " %1, %0, %%" #reg \
: /* nothing */ \
......@@ -216,7 +211,6 @@ typedef union {
: /* nothing */ \
: "m" (mem))
#define maskmovq(regs,maskreg) mmx_r2ri (maskmovq, regs, maskreg)
#define movntq_r2m(mmreg,var) mmx_r2m (movntq, mmreg, var)
......@@ -284,5 +278,4 @@ typedef union {
#define punpcklqdq_r2r(regs,regd) mmx_r2r (punpcklqdq, regs, regd)
#define punpckhqdq_r2r(regs,regd) mmx_r2r (punpckhqdq, regs, regd)
#endif /* AVCODEC_I386MMX_H */
......@@ -83,4 +83,4 @@ int16_t oslec_update(struct oslec_state *ec, int16_t tx, int16_t rx);
*/
int16_t oslec_hpf_tx(struct oslec_state *ec, int16_t tx);
#endif /* __OSLEC_H */
#endif /* __OSLEC_H */
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