/* APPLE LOCAL file radar 4645709 */ /* { dg-do compile { target "i?86-*-*" } } */ /* { dg-options "-O2" } */ /* { dg-final { scan-assembler "and.*0xffffff00" } } */ unsigned char lut[256]; void foo( int count ) { int j; unsigned int *srcptr, *dstptr; for (j = 0; j < count; j++) { unsigned int tmp = *srcptr; unsigned int alpha = (tmp&255); tmp &= 0xffffff00; alpha =lut[alpha]; tmp |= alpha<<0; *dstptr = tmp; } } /* APPLE LOCAL file radar 4645709 */