diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-02-14 12:38:19 +0100 |
|---|---|---|
| committer | Liang Qi <liang.qi@qt.io> | 2018-02-14 15:49:14 +0000 |
| commit | e843e3bb00d26c841bd7132c00779c085368eab3 (patch) | |
| tree | 7b8ecbcd66ff07bf8095d84f545e86445edf8588 | |
| parent | 7bc1d6effaae8f5aa1bef92cb1094ec3b3f4fb95 (diff) | |
Fix compiling qfloat16_f16c.c with C89 compiler
Needed by gcc 4.8
Change-Id: I2daa5728761599255cf3912d37e7b9dd60ccb60c
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
| -rw-r--r-- | src/corelib/global/qfloat16_f16c.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/corelib/global/qfloat16_f16c.c b/src/corelib/global/qfloat16_f16c.c index 31dff0b154..a7eadc71b7 100644 --- a/src/corelib/global/qfloat16_f16c.c +++ b/src/corelib/global/qfloat16_f16c.c @@ -57,6 +57,7 @@ QT_FUNCTION_TARGET(F16C) void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_NOTHROW { qsizetype i = 0; + int epilog_i; for (; i < len - 7; i += 8) _mm_storeu_si128((__m128i *)(out + i), _mm256_cvtps_ph(_mm256_loadu_ps(in + i), 0)); if (i < len - 3) { @@ -64,7 +65,7 @@ void qFloatToFloat16_fast(quint16 *out, const float *in, qsizetype len) Q_DECL_N i += 4; } // Inlining "qfloat16::qfloat16(float f)": - SIMD_EPILOGUE(i, len, 3) + for (epilog_i = 0; i < len && epilog_i < 3; ++i, ++epilog_i) out[i] = _mm_extract_epi16(_mm_cvtps_ph(_mm_set_ss(in[i]), 0), 0); } @@ -72,6 +73,7 @@ QT_FUNCTION_TARGET(F16C) void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) Q_DECL_NOTHROW { qsizetype i = 0; + int epilog_i; for (; i < len - 7; i += 8) _mm256_storeu_ps(out + i, _mm256_cvtph_ps(_mm_loadu_si128((const __m128i *)(in + i)))); if (i < len - 3) { @@ -79,7 +81,7 @@ void qFloatFromFloat16_fast(float *out, const quint16 *in, qsizetype len) Q_DECL i += 4; } // Inlining "qfloat16::operator float()": - SIMD_EPILOGUE(i, len, 3) + for (epilog_i = 0; i < len && epilog_i < 3; ++i, ++epilog_i) out[i] = _mm_cvtss_f32(_mm_cvtph_ps(_mm_cvtsi32_si128(in[i]))); } |