Skip to content

S
simde
Commit b4bf72e1 authored by jinboson's avatar jinboson Committed by GitHub
Browse files
Options

x86 clmul simde_x_bitreverse_u64: add loongarch implementation (#1249)

parent 04f9b4ca
Show whitespace changes
Inline Side-by-side
Showing with 4 additions and 0 deletions
x86/clmul.h
View file @ b4bf72e1
...@@ -101,6 +101,10 @@ simde_x_bitreverse_u64(uint64_t v) { ...@@ -101,6 +101,10 @@ simde_x_bitreverse_u64(uint64_t v) {
return HEDLEY_STATIC_CAST(uint64_t, _mm_cvtsi128_si64(vec)); return HEDLEY_STATIC_CAST(uint64_t, _mm_cvtsi128_si64(vec));
#elif HEDLEY_HAS_BUILTIN(__builtin_bitreverse64) #elif HEDLEY_HAS_BUILTIN(__builtin_bitreverse64)
return __builtin_bitreverse64(v); return __builtin_bitreverse64(v);
#elif defined(__loongarch64)
uint64_t r;
__asm__ __volatile__ ("bitrev.d %0, %1" :"=&r"(r):"r"(v):);
return r;
#else #else
v = ((v >> 1) & UINT64_C(0x5555555555555555)) | ((v & UINT64_C(0x5555555555555555)) << 1); v = ((v >> 1) & UINT64_C(0x5555555555555555)) | ((v & UINT64_C(0x5555555555555555)) << 1);
v = ((v >> 2) & UINT64_C(0x3333333333333333)) | ((v & UINT64_C(0x3333333333333333)) << 2); v = ((v >> 2) & UINT64_C(0x3333333333333333)) | ((v & UINT64_C(0x3333333333333333)) << 2);
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment