diff options
Diffstat (limited to 'gcc/rtl-profile.c')
| -rw-r--r-- | gcc/rtl-profile.c | 38 |
1 files changed, 12 insertions, 26 deletions
diff --git a/gcc/rtl-profile.c b/gcc/rtl-profile.c index 614525d44fe..4ba3f2f60a9 100644 --- a/gcc/rtl-profile.c +++ b/gcc/rtl-profile.c @@ -172,10 +172,9 @@ rtl_gen_pow2_profiler (histogram_value value, unsigned tag, unsigned base) rtx mem_ref, tmp, mr, uval; rtx sequence; rtx end_of_code_label = gen_label_rtx (); - rtx loop_label = gen_label_rtx (); int per_counter = GCOV_TYPE_SIZE / BITS_PER_UNIT; edge e = split_block (BLOCK_FOR_INSN (value->hvalue.rtl.insn), - PREV_INSN (value->hvalue.rtl.insn)); + PREV_INSN (value->hvalue.rtl.insn)); start_sequence (); @@ -191,33 +190,20 @@ rtl_gen_pow2_profiler (histogram_value value, unsigned tag, unsigned base) emit_move_insn (uval, copy_rtx (value->hvalue.rtl.value)); /* Check for non-power of 2. */ - if (value->hdata.pow2.may_be_other) - { - do_compare_rtx_and_jump (copy_rtx (uval), const0_rtx, LE, 0, value->hvalue.rtl.mode, - NULL_RTX, NULL_RTX, end_of_code_label); - tmp = expand_simple_binop (value->hvalue.rtl.mode, PLUS, copy_rtx (uval), - constm1_rtx, NULL_RTX, 0, OPTAB_WIDEN); - tmp = expand_simple_binop (value->hvalue.rtl.mode, AND, copy_rtx (uval), tmp, - NULL_RTX, 0, OPTAB_WIDEN); - do_compare_rtx_and_jump (tmp, const0_rtx, NE, 0, value->hvalue.rtl.mode, NULL_RTX, - NULL_RTX, end_of_code_label); - } - - /* Count log_2(value). */ - emit_label (loop_label); - - tmp = expand_simple_binop (Pmode, PLUS, copy_rtx (mr), GEN_INT (per_counter), mr, 0, OPTAB_WIDEN); + do_compare_rtx_and_jump (copy_rtx (uval), const0_rtx, LE, 0, value->hvalue.rtl.mode, + NULL_RTX, NULL_RTX, end_of_code_label); + tmp = expand_simple_binop (value->hvalue.rtl.mode, PLUS, copy_rtx (uval), + constm1_rtx, NULL_RTX, 0, OPTAB_WIDEN); + tmp = expand_simple_binop (value->hvalue.rtl.mode, AND, copy_rtx (uval), tmp, + NULL_RTX, 0, OPTAB_WIDEN); + do_compare_rtx_and_jump (tmp, const0_rtx, NE, 0, value->hvalue.rtl.mode, NULL_RTX, + NULL_RTX, end_of_code_label); + + tmp = expand_simple_binop (Pmode, PLUS, copy_rtx (mr), GEN_INT (per_counter), + mr, 0, OPTAB_WIDEN); if (tmp != mr) emit_move_insn (copy_rtx (mr), tmp); - tmp = expand_simple_binop (value->hvalue.rtl.mode, ASHIFTRT, copy_rtx (uval), const1_rtx, - uval, 0, OPTAB_WIDEN); - if (tmp != uval) - emit_move_insn (copy_rtx (uval), tmp); - - do_compare_rtx_and_jump (copy_rtx (uval), const0_rtx, NE, 0, value->hvalue.rtl.mode, - NULL_RTX, NULL_RTX, loop_label); - /* Increase the counter. */ emit_label (end_of_code_label); |