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authorVladislav Shchapov <vladislav@shchapov.ru>2026-02-02 00:11:53 +0500
committerHans Kristian Rosbach <hk-github@circlestorm.org>2026-03-11 00:56:15 +0100
commit4c621b14a0cd3c4654ff469a02ac10e3356005b4 (patch)
treee6f4d995ccb069c8a394ea8d8b764447335db81e
parentf9606139958fae7d5946fadc66bbbfdc21237c52 (diff)
downloadProject-Tick-4c621b14a0cd3c4654ff469a02ac10e3356005b4.tar.gz
Project-Tick-4c621b14a0cd3c4654ff469a02ac10e3356005b4.zip
Simplify slide_hash_lsx
Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
-rw-r--r--arch/loongarch/slide_hash_lsx.c25
1 files changed, 5 insertions, 20 deletions
diff --git a/arch/loongarch/slide_hash_lsx.c b/arch/loongarch/slide_hash_lsx.c
index c3d58e9c75..f4c94ea70d 100644
--- a/arch/loongarch/slide_hash_lsx.c
+++ b/arch/loongarch/slide_hash_lsx.c
@@ -18,24 +18,15 @@
#include <lsxintrin.h>
#include <assert.h>
-static inline void slide_hash_chain(Pos *table0, Pos *table1, uint32_t entries0,
- uint32_t entries1, const __m128i wsize) {
- uint32_t entries;
- Pos *table;
- __m128i value0, value1, result0, result1;
-
- int on_chain = 0;
-
-next_chain:
- table = (on_chain) ? table1 : table0;
- entries = (on_chain) ? entries1 : entries0;
-
+static inline void slide_hash_chain(Pos *table, uint32_t entries, const __m128i wsize) {
table += entries;
table -= 16;
/* ZALLOC allocates this pointer unless the user chose a custom allocator.
* Our alloc function is aligned to 64 byte boundaries */
do {
+ __m128i value0, value1, result0, result1;
+
value0 = __lsx_vld(table, 0);
value1 = __lsx_vld(table, 16);
result0 = __lsx_vssub_hu(value0, wsize);
@@ -46,13 +37,6 @@ next_chain:
table -= 16;
entries -= 16;
} while (entries > 0);
-
- ++on_chain;
- if (on_chain > 1) {
- return;
- } else {
- goto next_chain;
- }
}
Z_INTERNAL void slide_hash_lsx(deflate_state *s) {
@@ -63,7 +47,8 @@ Z_INTERNAL void slide_hash_lsx(deflate_state *s) {
assert(((uintptr_t)s->head & 15) == 0);
assert(((uintptr_t)s->prev & 15) == 0);
- slide_hash_chain(s->head, s->prev, HASH_SIZE, wsize, xmm_wsize);
+ slide_hash_chain(s->head, HASH_SIZE, xmm_wsize);
+ slide_hash_chain(s->prev, wsize, xmm_wsize);
}
#endif