r255779 - in /trunk/gcc: ChangeLog config/arc/a...

[claziss@gcc.gnu.org]

Author: claziss
Date: Mon Dec 18 15:26:47 2017
New Revision: 255779

URL: https://gcc.gnu.org/viewcvs?rev=255779&root=gcc&view=rev
Log:
[ARC] Update (u)maddsidi patterns.

The accumulator registers are freely used by the compiler. However,
there are a number of instructions which are having an intrinsic use
of these registers. Update patterns to inform the compiler which ones.

gcc/
2017-09-19  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/arc.md (maddsidi4, maddsidi4_split): Update pattern.
	(umaddsidi4,umaddsidi4): Likewise.

gcc/testsuite
2017-09-19  Claudiu Zissulescu  <claziss@synopsys.com>

	* gcc.target/arc/tumaddsidi4.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/arc/tumaddsidi4.c   (with props)
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arc/arc.md
    trunk/gcc/testsuite/ChangeLog

Propchange: trunk/gcc/testsuite/gcc.target/arc/tumaddsidi4.c
            ('svn:executable' added)