Fix compiling qfloat16_f16c.c with C89 compiler

Needed by gcc 4.8 Change-Id: I2daa5728761599255cf3912d37e7b9dd60ccb60c Reviewed-by: Eirik Aavitsland <[email protected]>
vellw · Feb 14, 2018 · e843e3b · e843e3b
1 parent 7bc1d6e
commit e843e3b
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/corelib/global/qfloat16_f16c.c b/src/corelib/global/qfloat16_f16c.c
@@ -57,29 +57,31 @@ 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) {
         _mm_storel_epi64((__m128i *)(out + i), _mm_cvtps_ph(_mm_loadu_ps(in + i), 0));
         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);
 }
 
 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) {
         _mm_storeu_ps(out + i, _mm_cvtph_ps(_mm_loadl_epi64((const __m128i *)(in + i))));
         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])));
 }