r254436 - in /trunk/gcc: ChangeLog tree-vrp.c

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Mon Nov  6 08:59:09 2017
New Revision: 254436

URL: https://gcc.gnu.org/viewcvs?rev=254436&root=gcc&view=rev
Log:
Rework vrp_int_const_binop interface

...to avoid a warning about uninitialised wide_ints.

2017-11-06  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/
	* tree-vrp.c (vrp_int_const_binop): Return true on success and
	return the value by pointer.
	(extract_range_from_multiplicative_op_1): Update accordingly.
	Return as soon as an operation fails.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c