Skip to content

S
simde
Commit 34f95903 authored by Evan Nemerson's avatar Evan Nemerson
Browse files
Options

xop: fix NEON implementation of simde_mm_maccsd_epi16

parent 62fba4ca
Hide whitespace changes
Inline Side-by-side
Showing with 3 additions and 9 deletions
x86/xop.h
View file @ 34f95903
...@@ -2861,18 +2861,12 @@ simde_mm_maccsd_epi16 (simde__m128i a, simde__m128i b, simde__m128i c) { ...@@ -2861,18 +2861,12 @@ simde_mm_maccsd_epi16 (simde__m128i a, simde__m128i b, simde__m128i c) {
#if defined(SIMDE_ARM_NEON_A64V8_NATIVE) #if defined(SIMDE_ARM_NEON_A64V8_NATIVE)
int16x8_t even = vuzp1q_s16(a_.neon_i16, b_.neon_i16); int16x8_t even = vuzp1q_s16(a_.neon_i16, b_.neon_i16);
r_.neon_i32 = vmlal_s16(c_.neon_i32, vget_low_s16(even), vget_high_s16(even)); r_.neon_i32 = vqaddq_s32(vmull_s16(vget_low_s16(even), vget_high_s16(even)), c_.neon_i32);
#else #else
SIMDE_VECTORIZE SIMDE_VECTORIZE
for (size_t i = 0 ; i < (sizeof(r_.i32) / sizeof(r_.i32[0])) ; i++) { for (size_t i = 0 ; i < (sizeof(r_.i32) / sizeof(r_.i32[0])) ; i++) {
int64_t tmp = HEDLEY_STATIC_CAST(int32_t, a_.i16[i * 2]) * HEDLEY_STATIC_CAST(int32_t, b_.i16[i * 2]); int32_t prod = HEDLEY_STATIC_CAST(int32_t, a_.i16[i * 2]) * HEDLEY_STATIC_CAST(int32_t, b_.i16[i * 2]);
tmp += c_.i32[i]; r_.i32[i] = simde_math_adds_i32(prod, c_.i32[i]);
if (tmp > INT32_MAX)
r_.i32[i] = INT32_MAX;
else if (tmp < INT32_MIN)
r_.i32[i] = INT32_MIN;
else
r_.i32[i] = HEDLEY_STATIC_CAST(int32_t, tmp);
} }
#endif #endif
......
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