diff options
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index 90e3970a8d1..2aa31394933 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -1022,23 +1022,6 @@ expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, } -/* Wrap result in CONST:MODE if needed to preserve the mode. */ -static rtx -check_wrap_constant (enum machine_mode mode, rtx result) -{ - if (!result || GET_MODE (result) == mode) - return result; - - if (dump_file && (dump_flags & TDF_DETAILS)) - fprintf (dump_file, " wrapping result in const to preserve mode %s\n", - GET_MODE_NAME (mode)); - - result = wrap_constant (mode, result); - gcc_assert (GET_MODE (result) == mode); - - return result; -} - /* Forward substitute and expand an expression out to its roots. This is the opposite of common subexpression. Because local value numbering is such a weak optimization, the expanded expression is @@ -1066,9 +1049,7 @@ cselib_expand_value_rtx (rtx orig, bitmap regs_active, int max_depth) evd.callback = NULL; evd.callback_arg = NULL; - return check_wrap_constant (GET_MODE (orig), - cselib_expand_value_rtx_1 (orig, &evd, - max_depth)); + return cselib_expand_value_rtx_1 (orig, &evd, max_depth); } /* Same as cselib_expand_value_rtx, but using a callback to try to @@ -1084,9 +1065,7 @@ cselib_expand_value_rtx_cb (rtx orig, bitmap regs_active, int max_depth, evd.callback = cb; evd.callback_arg = data; - return check_wrap_constant (GET_MODE (orig), - cselib_expand_value_rtx_1 (orig, &evd, - max_depth)); + return cselib_expand_value_rtx_1 (orig, &evd, max_depth); } static rtx |