[Bug target/67714] [6 Regression] signed char is zero-extended instead of sign-extended

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67714

--- Comment #20 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Author: clyon
Date: Mon Mar  7 08:18:25 2016
New Revision: 234019

URL: https://gcc.gnu.org/viewcvs?rev=234019&root=gcc&view=rev
Log:
2016-03-07  Christophe Lyon  <christophe.lyon@linaro.org>

        Backport from mainline
        2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65932
        PR target/67714
        * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
        the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.


Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/arm/arm.c