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Replace DO1/DO8 macros

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Hans Kristian Rosbach 2025-02-17 20:37:55 +01:00 committed by Hans Kristian Rosbach
parent 5fb2a1c493
commit ed30965e29
5 changed files with 15 additions and 15 deletions
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14
adler32_p.h
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@ -12,11 +12,11 @@
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(sum1, sum2, buf, i) {(sum1) += buf[(i)]; (sum2) += (sum1);}
#define DO2(sum1, sum2, buf, i) {DO1(sum1, sum2, buf, i); DO1(sum1, sum2, buf, i+1);}
#define DO4(sum1, sum2, buf, i) {DO2(sum1, sum2, buf, i); DO2(sum1, sum2, buf, i+2);}
#define DO8(sum1, sum2, buf, i) {DO4(sum1, sum2, buf, i); DO4(sum1, sum2, buf, i+4);}
#define DO16(sum1, sum2, buf) {DO8(sum1, sum2, buf, 0); DO8(sum1, sum2, buf, 8);}
#define ADLER_DO1(sum1, sum2, buf, i) {(sum1) += buf[(i)]; (sum2) += (sum1);}
#define ADLER_DO2(sum1, sum2, buf, i) {ADLER_DO1(sum1, sum2, buf, i); ADLER_DO1(sum1, sum2, buf, i+1);}
#define ADLER_DO4(sum1, sum2, buf, i) {ADLER_DO2(sum1, sum2, buf, i); ADLER_DO2(sum1, sum2, buf, i+2);}
#define ADLER_DO8(sum1, sum2, buf, i) {ADLER_DO4(sum1, sum2, buf, i); ADLER_DO4(sum1, sum2, buf, i+4);}
#define ADLER_DO16(sum1, sum2, buf) {ADLER_DO8(sum1, sum2, buf, 0); ADLER_DO8(sum1, sum2, buf, 8);}
static inline uint32_t adler32_len_1(uint32_t adler, const uint8_t *buf, uint32_t sum2) {
adler += buf[0];
@ -54,12 +54,12 @@ static inline uint32_t adler32_len_64(uint32_t adler, const uint8_t *buf, size_t
#ifdef UNROLL_MORE
while (len >= 16) {
len -= 16;
DO16(adler, sum2, buf);
ADLER_DO16(adler, sum2, buf);
buf += 16;
#else
while (len >= 8) {
len -= 8;
DO8(adler, sum2, buf, 0);
ADLER_DO8(adler, sum2, buf, 0);
buf += 8;
#endif
}

4
arch/generic/adler32_c.c
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@ -38,10 +38,10 @@ Z_INTERNAL uint32_t adler32_c(uint32_t adler, const uint8_t *buf, size_t len) {
#endif
do {
#ifdef UNROLL_MORE
DO16(adler, sum2, buf); /* 16 sums unrolled */
ADLER_DO16(adler, sum2, buf); /* 16 sums unrolled */
buf += 16;
#else
DO8(adler, sum2, buf, 0); /* 8 sums unrolled */
ADLER_DO8(adler, sum2, buf, 0); /* 8 sums unrolled */
buf += 8;
#endif
} while (--n);

6
arch/generic/crc32_braid_c.c
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@ -72,7 +72,7 @@ Z_INTERNAL uint32_t crc32_braid_internal(uint32_t c, const uint8_t *buf, size_t
/* Compute the CRC up to a z_word_t boundary. */
while (len && ((uintptr_t)buf & (BRAID_W - 1)) != 0) {
len--;
DO1;
CRC_DO1;
}
/* Compute the CRC on as many BRAID_N z_word_t blocks as are available. */
@ -201,11 +201,11 @@ Z_INTERNAL uint32_t crc32_braid_internal(uint32_t c, const uint8_t *buf, size_t
/* Complete the computation of the CRC on any remaining bytes. */
while (len >= 8) {
len -= 8;
DO8;
CRC_DO8;
}
while (len) {
len--;
DO1;
CRC_DO1;
}
/* Return the CRC, post-conditioned. */

2
arch/x86/crc32_pclmulqdq_tpl.h
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@ -398,7 +398,7 @@ static inline uint32_t crc32_small(uint32_t crc, const uint8_t *buf, size_t len)
while (len) {
len--;
DO1;
CRC_DO1;
}
return c ^ 0xffffffff;

4
crc32_braid_p.h
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@ -31,8 +31,8 @@
# error "No endian defined"
#endif
#define DO1 c = crc_table[(c ^ *buf++) & 0xff] ^ (c >> 8)
#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
#define CRC_DO1 c = crc_table[(c ^ *buf++) & 0xff] ^ (c >> 8)
#define CRC_DO8 CRC_DO1; CRC_DO1; CRC_DO1; CRC_DO1; CRC_DO1; CRC_DO1; CRC_DO1; CRC_DO1
/* CRC polynomial. */
#define POLY 0xedb88320 /* p(x) reflected, with x^32 implied */