(svn r26223) -Codechange: Silence some compile warnings about unititialized variables in the SSE blitters (MJP)

src/blitter/32bpp_sse4.cpp

@@ -19,10 +19,6 @@
 /** Instantiation of the SSE4 32bpp blitter factory. */
 static FBlitter_32bppSSE4 iFBlitter_32bppSSE4;
 
-#if defined(__GNUC__)
-	#pragma GCC diagnostic push
-	#pragma GCC diagnostic ignored "-Wunused-variable"
-#endif
 /**
  * Draws a sprite to a (screen) buffer. It is templated to allow faster operation.
  *
@@ -30,6 +26,7 @@ static FBlitter_32bppSSE4 iFBlitter_32bppSSE4;
  * @param bp further blitting parameters
  * @param zoom zoom level at which we are drawing
  */
+IGNORE_UNINITIALIZED_WARNING_START
 template <BlitterMode mode, Blitter_32bppSSE2::ReadMode read_mode, Blitter_32bppSSE2::BlockType bt_last>
 inline void Blitter_32bppSSE4::Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom)
 {
@@ -241,9 +238,7 @@ inline void Blitter_32bppSSE4::Draw(const Blitter::BlitterParams *bp, ZoomLevel
 		dst_line += bp->pitch;
 	}
 }
-#if defined(__GNUC__)
-	#pragma GCC diagnostic pop
-#endif
+IGNORE_UNINITIALIZED_WARNING_STOP
 
 /**
  * Draws a sprite to a (screen) buffer. Calls adequate templated function.
@@ -292,6 +287,7 @@ inline Colour Blitter_32bppSSE4::AdjustBrightness(Colour colour, uint8 brightnes
 	return Blitter_32bppSSE4::ReallyAdjustBrightness(colour, brightness);
 }
 
+IGNORE_UNINITIALIZED_WARNING_START
 /* static */ Colour Blitter_32bppSSE4::ReallyAdjustBrightness(Colour colour, uint8 brightness)
 {
 	ALIGN(16) uint64 c16 = colour.b | (uint64) colour.g << 16 | (uint64) colour.r << 32;
@@ -323,5 +319,6 @@ inline Colour Blitter_32bppSSE4::AdjustBrightness(Colour colour, uint8 brightnes
 	ret = _mm_packus_epi16(ret, ret);      /* PACKUSWB, saturate and pack. */
 	return alpha32 | EXTR32(ret, 0);
 }
+IGNORE_UNINITIALIZED_WARNING_STOP
 
 #endif /* WITH_SSE */