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ggml: fixes #12846 compilation error #12848

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Merged
merged 4 commits into from
Apr 11, 2025
Merged

ggml: fixes #12846 compilation error #12848

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71a764e
ggml: fixes #12846 compilation error
taronaeo Apr 9, 2025
c2b19c8
ggml: add documentation for code change
taronaeo Apr 9, 2025
f83470e
ggml: refactor to type-cast and update documentation
taronaeo Apr 9, 2025
e181fdc
ggml: update documentation to provide full issue link
taronaeo Apr 10, 2025
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6 changes: 4 additions & 2 deletions ggml/src/ggml-cpu/simd-mappings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -851,13 +851,15 @@ static inline __vector float __lzs_f16cx4_load(const ggml_fp16_t * x) {
tmp[i] = GGML_FP16_TO_FP32(x[i]);
}

return vec_xl(0, tmp);
// note: keep type-cast here to prevent compiler bugs (see #12846)
return vec_xl(0, (const float *)(tmp));
}

static inline void __lzs_f16cx4_store(ggml_fp16_t * x, __vector float y) {
float arr[4];

vec_xst(y, 0, arr);
// note: keep type-cast here to prevent compiler bugs (see #12846)
vec_xst(y, 0, (float *)(arr));

for (int i = 0; i < 4; i++) {
x[i] = GGML_FP32_TO_FP16(arr[i]);
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