diff options
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/gcc/loop.c b/gcc/loop.c index aa398eb8573..792992026dd 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -3387,7 +3387,6 @@ count_loop_regs_set (from, to, may_not_move, single_usage, count_ptr, nregs) register rtx *last_set = (rtx *) alloca (nregs * sizeof (rtx)); register rtx insn; register int count = 0; - register rtx dest; bzero ((char *) last_set, nregs * sizeof (rtx)); for (insn = from; insn != to; insn = NEXT_INSN (insn)) @@ -3544,7 +3543,7 @@ strength_reduce (scan_start, end, loop_top, insn_count, int insn_count; rtx loop_start; rtx loop_end; - int unroll_p, bct_p; + int unroll_p, bct_p ATTRIBUTE_UNUSED; { rtx p; rtx set; @@ -7871,14 +7870,14 @@ get_condition (jump, earliest) switch (code) { case LE: - if (const_val != max_val >> 1) + if ((unsigned HOST_WIDE_INT) const_val != max_val >> 1) code = LT, op1 = GEN_INT (const_val + 1); break; /* When cross-compiling, const_val might be sign-extended from BITS_PER_WORD to HOST_BITS_PER_WIDE_INT */ case GE: - if ((const_val & max_val) + if ((HOST_WIDE_INT) (const_val & max_val) != (((HOST_WIDE_INT) 1 << (GET_MODE_BITSIZE (GET_MODE (op0)) - 1)))) code = GT, op1 = GEN_INT (const_val - 1); @@ -8249,7 +8248,7 @@ indirect_jump_in_function_p (start) static int insert_loop_mem (mem, data) rtx *mem; - void *data; + void *data ATTRIBUTE_UNUSED; { int i; rtx m = *mem; @@ -8339,7 +8338,7 @@ load_mems_and_recount_loop_regs_set (scan_start, end, loop_top, start, old_nregs = nregs; nregs = max_reg_num (); - if (nregs > n_times_set->num_elements) + if ((unsigned) nregs > n_times_set->num_elements) { /* Grow all the arrays. */ VARRAY_GROW (n_times_set, nregs); |