uxtb16-4.c   [plain text]

/* APPLE LOCAL file uxtb16 support */
/* { dg-do compile { target arm*-*-darwin* } } */
/* { dg-options "-O2 -mno-thumb -march=armv4t" } */
/* uxtb16 should not be generated with -march=armv4t. */

/* uxtb16 x
 2, 0 */
unsigned test1(unsigned x) { return x & 0x00FF00FF; }

/* uxtb16 x, ror #8
 3, 1 */
unsigned test2(unsigned x) { return (x >> 8) & 0x00FF00FF; }

/* uxtb16 x, ror #8
 3, 1 */
unsigned test3(unsigned x) { return (x & 0xFF00FF00) >> 8; }

/* uxtb16 x, ror #8
 3, 1 */
unsigned test4(unsigned x) { return ((x & 0xFF000000) >> 8) | ((x & 0x0000FF00) >> 8); }

/* uxtb16 x, ror #8
 3, 1 */
unsigned test5(unsigned x) { return ((x >> 8) & 0x00FF0000) | ((x >> 8) & 0x000000FF); }

/* uxtb16 x, ror #16
 0, 2 */
unsigned test6(unsigned x) { return ((x & 0x00FF0000) >> 16) | ((x & 0x000000FF) << 16); }

/* uxtb16 x, ror #16
 0, 2 */
unsigned test7(unsigned x) { return ((x >> 16) & 0x000000FF) | ((x << 16) & 0x00FF0000); }

/* uxtb16 x, ror #24
 1, 3 */
unsigned test8(unsigned x) { return ((x & 0x0000FF00) << 8) | ((x & 0xFF000000) >> 24); }

/* uxtb16 x, ror #24
 1, 3 */
unsigned test9(unsigned x) { return ((x >> 24) & 0x000000FF) | ((x << 8) & 0x00FF0000); }

/* { dg-final { scan-assembler-not "uxtb16" } } */