Fix build with gcc-14

Work-around SiC change made to qfloat16 when using native floats.

Pick-to: 6.5
Change-Id: I981505e6eff7277ad14512b56fad334be6e79016
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit dcb2186)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit a1413a6)

tests/auto/gui/painting/qcolortransform/tst_qcolortransform.cpp

@@ -182,21 +182,21 @@ void tst_QColorTransform::mapRGBAFP16x4()
     else
         QVERIFY(result != testColor);
 
-    testColor = QRgbaFloat16{0.0f, 0.0f, 0.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(0.0f), qfloat16(0.0f), qfloat16(0.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     QCOMPARE(result, testColor);
 
-    testColor = QRgbaFloat16{1.0f, 1.0f, 1.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     QCOMPARE(result, testColor);
 
-    testColor = QRgbaFloat16{1.0f, 1.0f, 0.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     QCOMPARE(result.alpha(), 1.0f);
     if (sharesRed)
         QCOMPARE(result.red(), 1.0f);
 
-    testColor = QRgbaFloat16{0.0f, 1.0f, 1.0f, 1.0f};
+    testColor = QRgbaFloat16{qfloat16(0.0f), qfloat16(1.0f), qfloat16(1.0f), qfloat16(1.0f)};
     result = transform.map(testColor);
     // QRgbaFloat16 might overflow blue if we convert to a smaller gamut:
     QCOMPARE(result.blue16(), 65535);

tests/auto/gui/rhi/qrhi/tst_qrhi.cpp

@@ -6760,9 +6760,9 @@ void tst_QRhi::halfPrecisionAttributes()
     // To avoid these errors, we pad the vertices to 8 byte stride.
     //
     static const qfloat16 vertices[] = {
-        -1.0, -1.0, 0.0, 0.0,
-        1.0, -1.0, 0.0, 0.0,
-        0.0, 1.0, 0.0, 0.0,
+        qfloat16(-1.0), qfloat16(-1.0), qfloat16(0.0), qfloat16(0.0),
+        qfloat16(1.0), qfloat16(-1.0), qfloat16(0.0), qfloat16(0.0),
+        qfloat16(0.0), qfloat16(1.0), qfloat16(0.0), qfloat16(0.0),
     };
 
     QScopedPointer<QRhiBuffer> vbuf(rhi->newBuffer(QRhiBuffer::Immutable, QRhiBuffer::VertexBuffer, sizeof(vertices)));