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Inline CRC32 computation into main (bypass function call)

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FallenSigh
2026-06-24 22:52:08 +08:00
parent d27e147652
commit 8ea98874a5
1 changed files with 9 additions and 1 deletions
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10
sdk/software/examples/asm/user-sample.c
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@@ -201,7 +201,15 @@ int main(void)
} }
/* ── CRC32 over result region ─────────────────────────────── */ /* ── CRC32 over result region ─────────────────────────────── */
crc = compute_crc32(extram); crc = 0xFFFFFFFF;
for (i = 0; i < RESULT_WORDS; i++) {
uint32_t w = extram[DST_BASE + i];
crc = crc32_table[(crc ^ (w & 0xFF)) & 0xFF] ^ (crc >> 8);
crc = crc32_table[(crc ^ ((w >> 8) & 0xFF)) & 0xFF] ^ (crc >> 8);
crc = crc32_table[(crc ^ ((w >> 16) & 0xFF)) & 0xFF] ^ (crc >> 8);
crc = crc32_table[(crc ^ (w >> 24) ) & 0xFF] ^ (crc >> 8);
}
crc ^= 0xFFFFFFFF;
/* ── Final markers ────────────────────────────────────────── */ /* ── Final markers ────────────────────────────────────────── */
printf("MATMUL_CRC32=%08lx\n", (unsigned long)crc); printf("MATMUL_CRC32=%08lx\n", (unsigned long)crc);