Gets rid of one of the worst strict-aliasing offenders, and actually
produces faster code (at least in some cases, when compiler can use
for instance 64bit moves for memcpy).
(note _mesa_memcpy should get inlined)
#endif
/**
- * Copy a 4-element float vector (avoid using FPU registers)
- * XXX Could use two 64-bit moves on 64-bit systems
+ * Copy a 4-element float vector
+ * memcpy seems to be most efficient
*/
#define COPY_4FV( DST, SRC ) \
do { \
- const GLuint *_s = (const GLuint *) (SRC); \
- GLuint *_d = (GLuint *) (DST); \
- _d[0] = _s[0]; \
- _d[1] = _s[1]; \
- _d[2] = _s[2]; \
- _d[3] = _s[3]; \
+ _mesa_memcpy(DST, SRC, sizeof(GLfloat) * 4); \
} while (0)
/** Copy \p SZ elements into a 4-element vector */