Index: combine-movs.c =================================================================== --- combine-movs.c (revision 0) +++ combine-movs.c (revision 0) @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-skip-if "" { arm_thumb1 } } */ +/* { dg-options "-O" } */ + +void foo (unsigned long r[], unsigned int d) +{ + int i, n = d / 32; + for (i = 0; i < n; ++i) + r[i] = 0; +} + +/* { dg-final { scan-assembler "movs\tr\[0-9\]" } } */ Index: unsigned-extend-2.c =================================================================== --- unsigned-extend-2.c (revision 0) +++ unsigned-extend-2.c (revision 0) @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target arm_thumb2_ok } */ +/* { dg-options "-O" } */ + +unsigned short foo (unsigned short x) +{ + unsigned char i = 0; + for (i = 0; i < 8; i++) + { + x >>= 1; + x &= 0x7fff; + } + return x; +} + +/* { dg-final { scan-assembler "ands" } } */ +/* { dg-final { scan-assembler-not "uxtb" } } */ +/* { dg-final { scan-assembler-not "cmp" } } */